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TRAINING REPORT

TRAINING REPORT

For summer training with WELL SERVICES secon

For summer training with WELL SERVICES secon

At own ho!e "ac#er $ Fishing secon% &a!o!% Sai' At own ho!e "ac#er $ Fishing secon% &a!o!% Sai'

Ahme(a)a( Asset Ahme(a)a( Asset Su)mi*e( )+, Su)mi*e( )+, T-A-&ar#./01T/2/345 T-A-&ar#./01T/2/345 4

4T6T6 sem stu(ent sem stu(ent

1-Tech Petro!eum techno!og+ 1-Tech Petro!eum techno!og+

Schoo! o7 Petro!eum Techno!og+% PP8 Schoo! o7 Petro!eum Techno!og+% PP8

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CERTIFICATE

CERTIFICATE

OIL AND NATURAL GAS CORPORATION LIMITED

OIL AND NATURAL GAS CORPORATION LIMITED

WELL SERVICES, AHMEDABAD ASSET

WELL SERVICES, AHMEDABAD ASSET

This is to cerfy that

This is to cerfy that Mr.T. A. Kartk,Mr.T. A. Kartk, student of student of B.Tech Peroleum Technology B.Tech Peroleum Technology  , ,  from

 from Pandi Deendayal Peroleum Universiy, Gandhinagar Pandi Deendayal Peroleum Universiy, Gandhinagar  ,  , has has successfsuccessfully ully  completed 

completed training in ‘ training in ‘ PackPacker and ireline er and ireline sectonsecton’ ’ and and ‘ ‘  !ishing secton", ell  !ishing secton", ell  #ervices,

#ervices,

 Ahmedabad Ass

 Ahmedabad Asset,et, $%G& $%G&  from 1 from 1st st  June to 16 June to 16thth July 2011 July 2011

Sh-

Sh- N- N- R- R- Chow(hur+ Chow(hur+ Sri Sri 1- 1- SeshagiriSeshagiri C

Chhiiee7 7 EEnnggiinneeeerr..PPrroo((5 5 CChhiiee7 7 EEnnggiinneeeerr..PPrroo((55 .Training co9or(inator5

.Training co9or(inator5

Sh-

Sh- &o!an'in&o!an'inathan athan Sh- Sh- :-C-:-C-Tri"athiTri"athi S

Suu""eerriinntteenn((iinng Eg Ennggiinneeeerr..PPrroo((5 5 SSuu""eerriinntteenn((iinng Eg Ennggiinneeeerr..PPrroo((--55 ..TTrraaiinniinng g gguuii((ee5 5 ..TTrraaiinniinng g gguuii((ee55

Sh- 6- ;anoharan Sh- 6- ;anoharan   G;.P59L;9WCT   G;.P59L;9WCT

 .6ea( own 6o!e Secon5  .6ea( own 6o!e Secon5

24

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Ac#now!e(gement

Ac#now!e(gement

The cycle of

The cycle of seless me!o"#seless me!o"#$ oe $ oe h%s "ece#&e' %' !he h%s "ece#&e' %' !he s()se*(e! +"ocess of s()se*(e! +"ocess of  $"o!h %' le%"#$ o(l' )e "e'e"e' com+le!e oly he oe !%-es #! (+o $"o!h %' le%"#$ o(l' )e "e'e"e' com+le!e oly he oe !%-es #! (+o h#mself !o +%ss o oe.s e/+e"0se !o oe.s 1(#o"s2 Wh%! follos #s.! 1(s! % h#mself !o +%ss o oe.s e/+e"0se !o oe.s 1(#o"s2 Wh%! follos #s.! 1(s! % o"

o"%l %l fofo"m%"m%l#l#!y!y, , )(! )(! oeoes s s!s!"($"($$le $le !o !o e/e/+"+"ess ess oeoe..s s !h%!h%-f-f(l(less ess !o !o % % fefe e/em+l%"y #'#&#'(%ls2

e/em+l%"y #'#&#'(%ls2

If oly !he o"' 3!h%-s. co(l' 'o 1(s0ce !o Sh2B2Sesh%$#"#.s CE4P5 +%0ece, If oly !he o"' 3!h%-s. co(l' 'o 1(s0ce !o Sh2B2Sesh%$#"#.s CE4P5 +%0ece, ee"$#6#$ly +os#0&e o(!loo- %' #&%l(%)le #+(!s %)o(! !he o"-#$s of !he ee"$#6#$ly +os#0&e o(!loo- %' #&%l(%)le #+(!s %)o(! !he o"-#$s of !he Hy

Hy'"'"oc%oc%")o")o  #'#'(s(s!"y !"y %' %' !h!he e "o"ole le of of e/e/+os+os("e ("e !o !o seeseem#m#$l$ly y "o"o(0(0e e 7el7el'' o+e"%0os # sh%+#$ oe.s coce+!s, !h%! c% )e !"e%s("e' !h"o($ho(! oe.s o+e"%0os # sh%+#$ oe.s coce+!s, !h%! c% )e !"e%s("e' !h"o($ho(! oe.s c%"ee" # !he #'(s!"y8

c%"ee" # !he #'(s!"y8

9"om !he co"e of my he%"! I e/+"ess my #'e)!e'ess !o Sh2N2 R2 Cho'h("y, 9"om !he co"e of my he%"! I e/+"ess my #'e)!e'ess !o Sh2N2 R2 Cho'h("y, CE4P5:I ch%"$e:Do Hole Sec0o fo" 'e&o0$ 0me f"om h#s )(sy sche'(le !o CE4P5:I ch%"$e:Do Hole Sec0o fo" 'e&o0$ 0me f"om h#s )(sy sche'(le !o es("e !h%! !he"e e&e" e"e %y l%c(%e # o(" !"%##$2

es("e !h%! !he"e e&e" e"e %y l%c(%e # o(" !"%##$2

I!.s h%"' !o 7' o"'s !o !h%- %'e*(%!ely !he !e%m %! P%c-e" sec0o #!h I!.s h%"' !o 7' o"'s !o !h%- %'e*(%!ely !he !e%m %! P%c-e" sec0o #!h

Sh2P%-Sh2P%-%1 B%1+%#, SE4P5 %' %1 B%1+%#, SE4P5 %' Sh2 S2 ;ol%1#%!h%, SE4P5 %! !he helm2Sh2 S2 ;ol%1#%!h%, SE4P5 %! !he helm2

A! 9#sh#$ sec0o, I.' !he $oo' fo"!(e of +%"0c#+%0$ # !he #!e"+"e!%0o%l, A! 9#sh#$ sec0o, I.' !he $oo' fo"!(e of +%"0c#+%0$ # !he #!e"+"e!%0o%l, 3lo(' !h#-#$. sess#os )e!

3lo(' !h#-#$. sess#os )e!ee Sh2<2C Tee Sh2<2C T"#+%!h#,SE4P5 = Sh2;h#l"#+%!h#,SE4P5 = Sh2;h#l%("#% SE4P52 %("#% SE4P52 Th#sTh#s ccllee%%""ee' ' mm%%y y % % mm##ssccooccee++00oo  I I hh%%' ' oof f 99##sshh##$$2 2 I I %%llsso o !!hh%% --Sh2D2;2V%$hel%,AEE4P5 %' Sh2 B2S2R%1+(!, AEE4Mech5 fo" !he#" co!"#)(0o # Sh2D2;2V%$hel%,AEE4P5 %' Sh2 B2S2R%1+(!, AEE4Mech5 fo" !he#" co!"#)(0o # e"#ch#$ !he !"%##$ +"ocess2 I !%-e !h#s o++o"!(#!y !o !h%-, G("(+%l)h%#, e"#ch#$ !he !"%##$ +"ocess2 I !%-e !h#s o++o"!(#!y !o !h%-, G("(+%l)h%#, V#1%y)h%#, Sh%m)h(1#, R%m!()h%# %' !e%m %! 7sh#$ sec0o %' M%-%%1#, V#1%y)h%#, Sh%m)h(1#, R%m!()h%# %' !e%m %! 7sh#$ sec0o %' M%-%%1#, P%!el1#, P%ch%l1#, M(-esh)h%# %' !e%m %! +%c-e" sec0o co!"#)(!e' !he#" )#! P%!el1#, P%ch%l1#, M(-esh)h%# %' !e%m %! +%c-e" sec0o co!"#)(!e' !he#" )#! # m%-#$ me feel %! home # !he y%"'2

# m%-#$ me feel %! home # !he y%"'2 T2 A2

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;%"0-CONTENTS

>2 I!"o'(c0o !o 9#sh#$ O+e"%0os %2 E/!e"%l c%!ch#$ 7sh#$ !ools )2 I!e"%l c%!ch#$ 7sh#$ !ools c2 <(- "e!"#e&%l !ools '2 M#ll#$ !ools e2 W%sho&e" !ools

f2 C%s#$ "e+%#" %' "eme'#%l !ools $2 M#scell%eo(s

?2 I!"o'(c0o !o P%c-e"s %' Com+le0o !ools @2 C%se s!('#es of Wells ('e" Wo"-o&e" <o)s

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SO;E &E= LEARNING POINTS,

:  +"o'(c0o c%s#$s %! L#m'o'"% ells %"e $ee"%lly fo(' !o e/h#)#! $"e%!e" e%" %' !e%" "el%0&e !o !hose # o!he" %"e%s2 The ee' #s fel! !o "e%ssess !he $eochem#s!"y of !he %"e% %' s(#!%)ly mo'#fy #!.s c%s#$ +ol#cy2 The c%(ses co(l' )e co""os#&e fo"m%0o %!e", %om%lo(s $eo!he"m%l $"%'#e! o" #m+"o+e" ceme0$ %' cs$ #s!%)#l#!y2

:Sys!em%0c%lly "eco"'#$ !he &%"#o(s '#mes#o%l +%"%me!e"s of o#l 7el' !ools hel+s % lo! he $o#$ fo" % 7sh#$ 1o), s#ce e.' h%! !o loo- fo" %' ho !o 7sh o(! +"o+e"ly2 The +"o)lem hoe&e" %"#ses #!h (s%$e of co(!e"fe#! o" #m+"o+e" c"osso&e" s()s %' soc-e!s of o:s!%'%"' '#mes#os2 These o(l'.! cofo"m !o +"esc"#)e' !ool '#mes#os %' !h(s !hey."e !o($h !o 7sh o(!2

:E&e" o'e"e' ho !he %)"%s#&e !($s!e c%")#'e co%! o m#ll#$ !ools #s %++l#e' The"e %"e s+ec#%l !h# "o's !h%! h%&e !($s!e c%")#'e +o'e" ec%+s(l%!e' # % me!%l m%!"#/2 Whe e/+ose' !o #!ese he%!, !he me!%l mel!s %' os o!o !he m#ll#$ s("f%ce, 'e+os#0$ !he +%"0cles !he"e2 These "o's come # +%c-s of  e%ch #!h % !o!%l e#$h! of %)o(! >2>-$2

:ceme!%0o #s % m(s! fo" !he mech%#c%l s!%)#l#!y of c%s#$2 So h%!.s !he "eme'y #f % c%s#$ h%s +oo", #homo$eeo(s ceme!%0o Th#s +"o)lem #s sol&e' (s#$ % ceme! "e!%#e", s#ce e0"e &ol(me ceme! s*(ee6e #s #m+"%c0c%l # s(ch c%ses2 Ceme! "e!%#e" "esem)les % )"#'$e +l($ e/!e"%lly, )(! #! h%s % co'(#! #s#'e h#ch o+es (+ he !he s!"#$e" s!%)s #%"'s2 I!.s (seF: Holes %"e '"#lle' %)o&e %' )elo +oo"ly ceme!e' 6oe %' ceme! #s +(m+e'2 I! mo&es o(! of !he "e!%#e" %' )h !he c%s#$ !h"o($h !hese holes %' "e#fo"ces e/#s0$ ceme!2 ;o#$ !he ceme! "#se le$!h )eh#' c%s#$, oe c% c%lc(l%!e !he e/%c! &ol(me of ceme! !o )e +(m+e'2

:!he +%c-#$ eleme! # % +%c-e" #s m%'e of N#!"#le "())e"2 The +%c-#$ eleme! h%s !h"ee sec0os, ? lo$ oes %' % sho"!e" m#''le oe2 Hoe&e" (+o se$, oly !he ce!"%l eleme! %c0&ely se%ls !he %(l(s )y +"ess#$ %$%#s! c%s#$, !he o!he" !o oly s(++o"! #! sl#$h!ly2 To hol' !he +%c-e" 7"mly # +os#0o, #! h%s '#e sl#+s, )(o hol'e"s, o" o!he" mech%#sm #!h h#ch !o )#!e !he c%s#$2 B(! h%! o(l' h%++e #f !he +%c-e" 1(s! c%.! )e hel' # +l%ce %'

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so "ef(ses !o se! I ells #!h e/!"emely %/y c"('es !h#s 'oes h%++e some0mes, e."e !ol'2 So oe h%s !o sc"%+e !he c%s#$ %' +"ocee'2

:Some!h#$ %)o(! !he s()s("f%ceF !he ;%lol fo"m%0o ells %"e ('e" sol(0o $%s '"#&e mech%#sm, !he ;%lol +%y6oe:@ +"o'(ces oly $%sJ !he <h%lo"% h%s % %c0&e %!e" '"#&e2

:m#c"o !()#$ %++l#c%0oF # ells "#''e #!h s%':+"o)lem, $"%&el +%c-%ssem)ly #s #s!%lle'2 The GP #s % %""%$eme! of $"%&el of (#fo"m s#6e +%c-%$e' #!h# % mesh !o %c! %s % s%':7l!e" so !h%! oly !he hy'"oc%")o #s %lloe' #!o !)$2 The GP c% )e cle%e' (se' micro tubing h#ch h%s >2? OD c% e%s#ly +%ss !h"o($h ? K +"o'2 !)$ %' so #! c% hel+ # cle%"#$ s%' #s#'e !he !()#$ %' sc"ee # !he GP %ssem)ly2 To +e"#o'#c%lly "es!o"e !he ec#ecy of GP % "e:GP #s ee'e'2 Befo"e 'o#$ "e:GP, s("$#$ o+e"%0o #s c%""#e' o(! !o collec! !he loose s%' #!h# !he fo"m%0o2

:Tes#o P%c-e" #s (se' !o !es! !he c%s#$ %! sh%llo 'e+!hs, he"e #!.s o! +oss#)le !o e/e"! m(ch lo%' (s#$ com+"ess#o +%c-e"2 Is!e%' #! se%ls !he %(l(s (+o %++l#c%0o of !es#o 1(s! (l#-e !he R:@ mech%#c%l +-"2

Fishing O"eraons

Fish: Ay o)1ec! !h%! #s %cc#'e!%lly le # !he )oom:hole '("#$ '"#ll#$ o" o"-o&e" 1o)s %' #! )e#$ of s(ch '#mes#os, sh%+e o" o"#e!%0o o)s!"(c!s !he co("se of "o(0e ell o+e"%0o, o" #&ol&es loss of e/+es#&e o#l 7el' e*(#+me!, !he"e)y m%-#$ #!s "e!"#e&%l c"#0c%l2

Categories o7 >shF

:s#$les o" !()#$ s!(c- '("#$ )%c-:o o+e"%0os

:s0c-#$ of '"#lls!"#$ '(e !o fo"m%0o #!e"%c0o o" 'o$le$s, c"e%0o of -ey se%! e!c

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:!#s! os of '"#ll +#+e sec0os o" '"#ll coll%"s

:1(- "e!"#e&%l #&ol&#$ m#scell%eo(s fo"e#$ o)1ec!s 4)e%"#$s, !ool +%"!s5

Pro7essiona! 'u(gement an( resource a!!ocaon in >shing

Dec#s#os "e$%"'#$ 7sh#$ ee' !o !%-e #!o %cco(! % my"#%' of f%c!o"s2 Be #! # !he o#l 7el' o" elsehe"e #!s )ee7! %' comme"c#%l fe%s#)#l#!y !h%! m%e"s2 So )efo"e oe 'ec#'es !o $o fo" !he 7sh, %! le%s! !hese #ss(es m(s! )e +o'e"e' (+oF

>2 The #fo"m%0o e h%&e %)o(! !he !y+e, &%l(e # !e"ms of (0l#!y o" cos!, '#mes#os, sh%+e, o"#e!%0o, mo)#l#!y %' co'#0o of !he 7sh2

?2 P"o)lem #!h le%&#$ !he 7sh (%e'e', #2e he!he" #! c% h%m+e" "e$(l%" +"o'(c0o#1ec0o +"ocess o" +ose e&e mo"e se&e"e !h"e%!s2 @2 Cos! #&ol&e' # +e"fo"m#$ 7sh#$ o+e"%0o #cl(s#&e of m% +oe", "#$

cos!s, e*(#+me! %' ee"$y cos!s, loss of +"o'(c0o #c(""e'2

2 Cos!s #&ol&e' # )%c-#$ o, +l($$#$ %' s#'e!"%c-#$ !he 7sh # %)sece of o!he" %l!e"%0&es2

The +"o$"ess of !he 7sh#$ o+e"%0o %' !he +"o)%)#l#!y of #!s %ccom+l#shme! #!h# !he %lloe' 0me f"%me o(l' 'e!e"m#e he!he" #! %"%c!s f("!he" #&es!me! of "eso("ces %' 0me o" #s %)%'oe' m#'%y fo" %! of )ee" o+0os2

Fishing Too!s

These %"e $ee"%lly cl%ss#7e' %sF I!e"%l c%!ch#$ 7sh#$ !ools E/!e"%l c%!ch#$ 7sh#$ !ools <(- "e!"#e&%l !ools

M#ll#$, %sho&e" !ools

C%s#$ "e+%#" %' "eme'#%l !ools

9("!he" e c% '#&#'e !he !ools o !he )%s#s of he!he" !hey."e of "ele%s#$ o" o "ele%s#$ %!("e2 W#!h % "ele%s#$:!y+e !ool, fo" e/%m+le % O&e"sho!, e c% %!le%s! s%l&%$e !he !ool #f !he 7sh #s )%'ly s!(c-2 Th#s o+0o hoe&e" oe

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c%.! e/e"c#se #f oe chooses !o loe" % o:"ele%s#$ !ool l#-e % m%le !%+ o" % !%+e" !%+2

The f('%me!%l +"oce'("e #&ol&e' # 7sh#$ fo" +#+e o(l' )e %s follosF 9#"s! !he f"ee +#+es %)o&e !he 6oe %"e "emo&e', !he "em%##$ s!(c-+#+e of 7sh #s !o )e "emo&e', !h#s #s m%#ly 'oe fo" !he !()(l%" s!(c-+#+es s(ch %s '"#ll +#+es, !()#$s, +%c-e"s, e!c2 De+e'#$ (+o !he OD of !he 7sh %' !he ID of !he c%s#$ !he 7sh#$ !ool #s 'es#$e' s(ch %s #! sho(l' 7! # )e!ee !he %(l(s $%+ of !he c%s#$ %' !he 7sh !o )e "emo&e'2 The )y loe"#$ !he 'es#$e' !ool !o !he 'es#"e' 'e+!h !he 7sh #s hel' f"om #s#'e o" o(!s#'e !he %$%# 'e+e'#$ (+o !he %(l(s s+%ce )e!ee !he c%s#$ %' !he 7sh2 The )y !he "o!%0o mo0o !he 7sh #s !h"e%'e' %' !he 7sh#$ !ool #s !%$le' # !he 7sh %' !he 7sh #s c%($h!2 The !he 7sh #s loosee' f"om !he s(""o('#$ s%' )y $#&e #! % (+%"' 1e"- #2e21%""#$2If !he 1%""#$ 'oes o! loose !he 7sh !he !he l()"#c%0$ (#'s %"e (se' s(ch %s '#esel, +olyme"s e!c2 Th#s #s c%lle' %s

s+o$-No fo" h%'l#$ 1(- #!.s % '#e"e! %++"o%chF

Ay sm%ll o)1ec! s(ch %s !he #"e, )e%"#$s, coes ,"olle"s of )#!, +(m+ o(! +l($s, se%! %' )%ll, e!c2 #s c%lle' %s 2De+e'#$ (+o !he !y+e of 1(-eco(!e"e' !he 7sh#$ !ool #s 'ec#'e'29o" #s!%ce #f %y me!%ll#c 1(- s(ch %s +%"!s of '"#ll )#! c% )e "emo&e' )y !he 7sh#$ m%$e!2If !he 1(- #s l#-e % #"e !he, $"%++le o" #"e c%!che" #s (se'2Oce !he 7sh #s eco(!e"e' !he, !he 7sh c% )e c%($h! )y '#"ec! c%!ch !ools o" #f #! #s )loc-e' # !he s%' !he 7"s! l()"#c%0$ (#'s o" o"$%#c (#'s %"e (se' !o loose #! f"om !he s(""o('#$ %"e%2 The )y 1%""#$ %c0o #! #s !"#e' !o )e "emo&e'2

E?terna! catching >shing too!s

2- O@ershot

I! #s &e"y m(ch +"efe""e' )y !he 7sh#$ +"ofess#o%ls2 The )%s#c s#m+l#c#!y %' "($$e' cos!"(c0o #!h h#ch #! #s 'es#$e' h%&e m%'e #! !he s!%'%"' of  %ll e/!e"%l c%!ch 7sh#$ !ools2 O&e"sho! h%s $%#e' o"l' #'e %cce+!%ce fo" 7sh#$ )y me%s of e/!e"%l e$%$eme! of % 7sh2 E%ch o&e"sho! #s % c%"ef(lly e$#ee"e' (#!2 I se"&#ce, #! !%-es % +os#0&e $"#+ o&e" % l%"$e %"e% of 7sh %' #s !he"efo"e c%+%)le of #!h s!%'#$ e/!"emely he%&y +(ll#$, !o"s#o%l %'  1%""#$ s!"%#s #!ho(! '%m%$e o" '#s!o"0o !o e#!he" !he !ool o" !he 7sh2

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O&e"sho! #s % com+%c! (#! 'es#$e' !o e$%$e, +%c- o %' +(ll % s+ec#7c s#6e of !()#$, +#+e, co(+l#$, !ool 1o#!, '"#ll coll%" o" smoo!h O2D2!ool2 Th"o($h !he #s!%ll%0o of +"o+e" ('e"s#6e +%"!s, !hey m%y )e %'%+!e' !o e$%$e %' +%c-o %y sm%lle" s#6e2

The o&e"sho! h%s !hese !h"ee +%"!sF >2 To+ s()

?2 Bol @2 G(#'e

No !he#" 'e!%#le' 'esc"#+0o TOP S81

The !o+ s() #s !he (++e"mos! com+oe! of !he %ssem)ly2 I! #s e*(#++e' #!h % )o/ coec0o, !o %ss("e +"o+e" m%-e:(+ #!h !he 7sh#$ s!"#$2

1OWL

The )ol #s !he m%# o"-#$ com+oe! of !he o&e"sho!2 The (++e" e' of !he )ol #s !h"e%'e' fo" %ssem)ly #!h !he !o+ s()2 The loe" e' #s !h"e%'e' fo" %ssem)ly #!h !he s!%'%"' $(#'e2 A hel#/:sh%+e' co7$("%0o #s#'e !he o&e"sho! )ol +"o&#'es % !%+e"e' s+#"%l s("f%ce o h#ch !he $"%++le #ll )e %ssem)le'2 Oce !he $"%++le h%s e$%$e' !he 7sh, % (+%"' s!"%# #ll c%(se !he $"%++le !o )e com+"esse' )y !he mo&eme! of !he m%!ch#$ !%+e"s2 The $"e%!e" !he +(ll, !he s!"o$e" !he $"#+2 The s!"%# #s e&ely '#s!"#)(!e' o&e" !he e0"e o"-#$ s("f%ce of !he )ol %' !he $"%++le2 Th#s m##m#6es %y +oss#)le '%m%$e !o !he )ol o" !he 7sh2

The )ol of !he o&e"sho! #s 'es#$e' #!h hel#c%lly !%+e"e' s+#"%l sec0o # #!s '#%me!e"2 The $"#++#$ mem)e" 4S+#"%l G"%++le o" B%s-e! G"%++le5, #s 7e' #!o

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!h#s sec0o2 he % (+%"' +(ll #s e/e"!e' %$%#s! % 7sh, % e/+%s#o s!"%# #s s+"e%' e&ely o&e" % lo$ sec0o of !he 7sh2 No '%m%$e o" '#s!o"0o "es(l!s !o e#!he" !he 7sh o" !he o&e"sho!2 Th#s 'es#$ +e"m#!s % f%" s!"o$e" !ool #!h m% sm%lle" o(!s#'e '#%me!e" !h% #s +oss#)le #!h % o&e"sho! !h%! em+loys % s#$le !%+e"e' sec0o h#ch s(++o"!s sl#+s2

STANAR G8IE

The s!%'%"' $(#'e #s !he loe"mos! com+oe! of !he %ssem)ly2 I! $(#'es !he 7sh #!o !he o&e"sho!, %llo#$ !he #!e"%l $"#++#$ mech%#sm !o +"o+e"ly e$%$e %' $"#+ !he 7sh2 The $(#'e %lso +"oh#)#!s !he e!"y of % 7sh !h%! e/cee's !he m%/#m(m c%!ch of !he o&e"sho!2 Th#s m##m#6es %y +oss#)le '%m%$e !o !he o&e"sho! %ssem)ly2

Gra""!es, !he l#fe )loo' of !he o&e"sho!

SPIRAL GRAPPLE

A s+#"%l $"%++le #s fo"me' %s % le h%' hel#/ #!h % !%+e"e' e/!e"#o" !o cofo"m !o !he hel#c%lly !%+e"e' sec0o # !he )ol2 I!s #!e"#o" #s #c-e"e' fo" e$%$eme! #!h !he 7sh2

1as#et Gra""!e

A )%s-e! $"%++le #s % e/+%s#)le cyl#'e" #!h % !%+e"e' e/!e"#o" !o cofo"m !o !he hel#c%lly !%+e"e' sec0o # !he )ol2 I!s #!e"#o" #s #c-e"e' fo" e$%$eme! #!h !he 7sh2

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4O&e"sho!s '"esse' #!h )%s-e! %' s+#"%l $"%++les "es+ec0&ely5

GRAPPLES ;O8S OPERANI,The mo&eme!s of !he $"%++le %"e $o&e"e' )y @ f%c!o"s #2e, 7"s!ly !he G"%++le #s % le h%' hel#/J !he loe" e' of !he G"%++le #s %cho"e' # !he O&e"sho! BolJ !he #s#'e '#%me!e" of !he G"%++le #s sm%lle" !h% !he o(!s#'e '#%me!e" of !he 7sh2

Whe !he o&e"sho! #s "o!%!e' !o !he "#$h! %' loe"e' o&e" !he 7sh, !he '"%$ of  !he 7sh %$%#s! !he G"%++le c%(ses !he G"%++le !o (#' %' e/+%' s(c#e!ly !o %llo !he 7sh !o e!e"2

Whe !he o&e"sho! #s "o!%!e' !o !he "#$h! %' #!h'"% f"om !he 7sh, !he '"%$ of !he 7sh %$%#s! !he G"%++le c%(ses !he G"%++le !o (#' %' e/+%' s(c#e!ly !o %llo !he o&e"sho! !o )e #!h'"%2

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Gra""!e Contro!s

G"%++le co!"ols !"%sm#! !o"*(e f"om !he o&e"sho! )ol !o !he $"%++le h#le %llo#$ !he $"%++le !o mo&e &e"0c%lly #s#'e !he )ol2 G"%++le co!"ols %"e (se' %s % s+ec#%l -ey, !o %llo !he $"%++le !o mo&e (+ %' 'o '("#$ o+e"%0o h#le s#m(l!%eo(sly !"%sm#$ f(ll !o"*(e f"om !he $"%++le !o !he )ol2

;echanism o7 OBS6OT AS A SE8ENCE OF EVENTS,

Ae" !he o&e"sho! h%s "e%che' !he !o+ of !he 7sh, com)#e' "o!%0o %' loe"#$ "es(l!s # !he follo#$F

:The $(#'e #ll '#"ec! !he 7sh #!o !he o&e"sho!

:The G"%++le #ll e/+%' %' !he 7sh #ll +%ss !h"o($h #!2

:The 7sh #ll +%ss !h"o($h !he +%c-o R())e" %' #ll )e h%l!e' he #! co!%c!s !he +# e' of !he !o+ s()2 I !he c%se he"e % e/!e"%l (+se! sec0o #s )e#$ e$%$e' )y % B%s-e! G"%++le, !he 7sh #ll )e h%l!e' )y !he sol#' s!eel s!o+ # !he (++e" e' of !he B%s-e! G"%++le2

:The 7sh #s o +"o+e"ly loc%!e' # !he O&e"sho! %' !he"e%e" he (+%"' +(ll #s e/e"!e', !he G"%++le #s cos!"%c!e' )y !he !%+e"s # !he Bol %' !he hol' #ll )e sec("e2

:L#-e#se, oce !he 7sh #s # !he +o"0o2 The c#"c(l%0o #ll se%l !he P%c-o  R())e" %"o(' !he 7sh %' +"e&e! (#' +%ss%$e 'o !he o(!s#'e2 Th(s, )y )(#l'#$ (+ +"ess("e #!h !he +(m+s, !he (#' c% )e fo"ce' 'o !h"o($h !he 7sh2

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8sing the o@ershot

9#"s! 'e!e"m#e !h%! !he o&e"sho! #s +"o+e"ly %ssem)le', #s '"esse' #!h !he +"o+e" s#6e G"%++le %' !h%! %ll #!s +%"!s %"e # $oo' o"-#$ co'#0o2

O)&#o(sly, #f !he 7sh #s sm%lle" !h% !he m%/#m(m o(!s#'e '#%me!e" !h%! !he o&e"sho! %s 'es#$e' !o e$%$e, #s!%ll ('e"s#6e +%"!s2If !he hole s#6e #s so m(ch $"e%!e" !h% !he 7sh s#6e !h%! #! #s +oss#)le fo" !he O&e"sho! !o +%ss %lo$s#'e !he 7sh, #s!%ll e#!he" % W%llhoo- G(#'e o" % O&e"s#6e G(#'e # +l%ce of !he S!%'%"' G(#'e2If !he !o+ 7sh #s he%&#ly )(""e' !ool 1o#!, "e+l%ce !he S!%'%"' G(#'e #!h !he +"o+e" M#ll#$ G(#'e2If !he 7sh h%s % (e$%$e%)le (++e" e', #s!%ll % e/!es#o )e!ee !he To+ S() %' !he Bol2 Us#$ !he To+ S(), coec! !he O&e"sho! !o !he 7sh#$ s!"#$ %' "( #! # !he hole2

To engage an( "u!! the >sh

As !he !o+ of !he 7sh #s "e%che', sloly "o!%!e !he 7sh#$ s!"#$ !o !he "#$h! %' $"%'(%lly loe" !he O&e"sho! o&e" !he 7shF com)#e' "o!%0$ %' loe"#$ #s #m+o"!%!2Allo !he "#$h! h%' !#s! !o sl%c- o(! of !he 7sh#$ s!"#$ %' !he +(ll o !he 7sh )y ele&%0$ !he 7sh#$ s!"#$2 If !he 7sh 'oes o! come, !(" o !he c#"c(l%0$ +(m+s %' m%#!%# % (+%"' s!"%# h#le c#"c(l%0o #s fo"ce' !h"o($h !he 7sh2

To re!ease 7rom the >sh

B(m+ 'o, !he s#m(l!%eo(sly "o!%!e !o !he "#$h! %' sloly ele&%!e !he 7sh#$ s!"#$ (0l !he o&e"sho! #s cle%" of !he 7shF com)#e' "o!%0$ %' ele&%0$ #s #m+o"!%!2To "ele%se f"om % "eco&e"e' 7sh, follo !he s%me +"oce'("e h#le hol'#$ !he 7sh )elo !he O&e"sho!2

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IE COLLAR

The '#e coll%" #s % e/!e"%l c%!ch !ool 'es#$e' !o "e!"#e&e !()(l%" mem)e"s f"om !he ell2 I!.s m%(f%c!("e' f"om h#$h $"%'e %lloy2 The h%"'ee' c($ !ee!h %"e m%ch#e' o % sh%llo !%+e" !o +"o&#'e % e/celle! $"#+2

We s% !h#s !ool # %c0o %! Nawagam we!!D223- Th#s !ool h%s % #!e"%lly !h"e%'e' !%+e"#$ s!"(c!("e, #2e !he !ool c% )e (se' fo" !()(l%" mem)e"s of % "%$e of o(!e" '#%me!e"s2 Hece, !h#s !ool comes # h%'y he !he"e #s l#le (ce"!%#!y o" 'o()! "e$%"'#$ !he 7sh '#mes#os2 S#ce !h#s oe #s % "o!%"y c%!ch !ool, #! #s o:"ele%s#$2 So #f %e" e$%$#$ #!h !he 7sh !he !ool $e!s s!(c-, !he !he"e #s o %y )(! !o le%&e #! %' )%c-:o2

O"eraon

D#e coll%" #s loe"e' %lo$ !he le h%'e' '"#ll +#+e4LHDP52 U+o eco(!e"#$ 7sh !o+ e #m+%"! "o!%"y !o"*(e !o !he +#+e2 No!e: !h%! s#ce e."e 'e%l#$ #!h % "o!%"y c%!ch !ool % "o!%"y "#$ #s esse0%l2 The #!e"%l $"oo&es of !he '#e coll%" '#$ #!o !he e/!e"%l s("f%ce of 7sh %' em)e' % !h"e%' #!h h#ch !o $"#+ #! 7"mly2 The !he e/+e"#ece' 7sh#$ +"ofess#o%l ##0%!es !he +(ll:o(! )y #m+%"0$ !he "#$h! %mo(! of (+%"' +(ll !o !he s!"#$ %e" co7"m#$ !he (#o of '#e coll%" #!h !he 7sh2 Th#s +"ocess #s co0(e' 0ll !he 7sh #s "e!"#e&e'2

Hoe&e" )efo"e e$%$#$ # % 7sh#$ o+e"%0o (s#$ % '#e coll%" % !ho"o($h %sh o&e" 1o) #s oe "ecomme'e' %s #! #s % o:"ele%s#$ !ool2 Th#s #s.! s!%'%"' +"o!ocol )(! % +"ec%(0o%"y me%s("e oly2

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Interna! catch >shing too!s9

S"ears

I! #s (se' !o #!e"%lly e$%$e %' "e!"#e&e %ll s#6es of !()#$, '"#ll +#+e %' c%s#$2 I! m%y )e (se' # co1(c0o #!h #!e"%l c(e"s !o +e"fo"m c(! %' +(ll o+e"%0os2 All f(ll c#"cle s+e%"s fo" !()#$ %' '"#ll +#+e %"e com+ose' of % !o+ s(), +"o!ec!o" 4he % s-#"! %' $(#'e %"e o! (se'5, )o'y, sl#+s, f"#c0o s+"#$ %ssem)ly o" f"#c0o )loc- %ssem)ly, s!o+, s%fe!y "#$, (! %' (! se! sc"e2 The f"#c0o )loc- %ssem)ly #cl('es % (#06e", "e!%#e" 4? +#eces5, f"#c0o )loc-s, "e!%#e" sc"es, o(!e" )loc- s+"#$s %' #e" )loc- s+"#$s2The f"#c0o s+"#$ %ssem)ly #cl('es % (#06e", f"#c0o "e!%#e", f"#c0o s+"#$s 4h#ch %"e #!e$"%l #!h !he f"#c0o "e!%#e"5, %' f"#c0o "e!%#e" sc"es2The !o+ s() of f(ll c#"cle s+e%"s fo" !()#$ o" '"#ll +#+e se"&es %s % s!o+ %' #s +"o&#'e' %! #!s loe" e' #!h % s(#!%)le !h"e%' o h#ch #s %ssem)le' e#!he" % s-#"! %' $(#'e he !hese %"e (se', o" % !h"e%' +"o!ec!o" he !hey %"e o!2 The )o'y h%s % se"#es of l%"$e !%+e"s o #!s o(!s#'e '#%me!e" h#ch m%!ch s#m#l%" !%+e"s o !he #s#'e '#%me!e"s of !he sl#+s2 The +("+ose of !hese !%+e"s #s !o c%(se !he sl#+s !o e/+%' %' co!%c! !he 7sh, '("#$ o+e"%0o2

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THE CATCHING AND RELEASING POSITIONS O9 A SPEAR, RESPECTIVEL

OPERATION

De!e"m#e 7"s! !h%! !he f(ll c#"cle "ele%s#$ s+e%" #s !he +"o+e" s#6e fo" !he 7sh !o )e c%($h!, #s +"o+e"ly %ssem)le' %' #s # $oo' o"-#$ co'#0o2 The coec! !he s+e%" !o !he 7sh#$ s!"#$2 Se! !he s+e%" # #!s "e!"%c!e' +os#0o )y %sce"!%##$ !h%! !he sl#+ 7$e"s %"e e$%$e' #!h !he l($s o !he )o'y %' #!h !he l($s o !he (#06e"2 I !h#s +os#0o !he f(ll c#"cle sl#+s %"e +"esse' #%"' %' #ll o! e$%$e !he +#+e %s !he s+e%" #s "( #2

Whe s+e%" h%s "e%che' !he !o+ of !he 7sh slo loe"#$ of 7sh#$ s!"#$ "es(l!s # !he follo#$F

ENGAGING OPERATION

The +"o+e" s%fe!y "#$ o" s%fe!y "#$ +%c- o #ll +"e&e! !he s+e%" f"om e!e"#$ %y 7sh hose #s#'e '#%me!e" #s sm%lle" !h% !he o(!s#'e '#%me!e"

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of !he sl#+s # !he#" "e!"%c!e' +os#0o2 The f"#c0o s+"#$s o" f"#c0o )loc-s #ll co!%c! !he #e" %ll of !he 7sh %' hol' !he (#06e", f"#c0o "e!%#e" %' sl#+s s!%0o%"y (0l !he sho(l'e"s %! !he e's of !he !%+e"s o !he 'o%"'ly !"%&el#$ )o'y co!%c! !he sho(l'e"s %! !he e's of !he !%+e"s of !he sl#+s %' +(sh !he %ssem)ly #!o !he 7sh !o !he 'es#"e' 'e+!h2

The sl#+s %"e o # !he#" (++e"mos! +os#0o "el%0&e !o !he )o'y2 The"e%e", he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s (0l !he l($s o !he (++e" e' of !he )o'y %"e '#se$%$e' f"om !he slo!s # !he (++e" 7$e"s of !he sl#+s2 A! !he s%me 0me, !he -eys o s!o+ %"e s#m(l!%eo(sly '#se$%$e' f"om !he "ecesses # !he (#06e"2

The"e%e", he !he 7sh#$ s!"#$ #s ele&%!e', !he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s %' !he !%+e"s o !he (+%"'ly !"%&el#$ )o'y e/+%' !he sl#+s #!o 0$h! f(ll c#"cle e$%$eme! #!h !he 7sh2

RELEASING

Whe !he 7sh#$ s!"#$ #s )(m+e' 'o, !he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s %' !he )o'y !"%&els 'o%"'ly (0l !he l($s o !he (++e" e' of !he )o'y %"e o++os#!e !he slo!s # !he (++e" 7$e"s of  he sl#+s %' !he "ecesses # !he (#06e" %"e o++os#!e !he !o+s of !he -eys o !he s!o+2

The"e%e", he !he 7sh#$ s!"#$ #s "o!%!e' !o !he "#$h!, !he sl#+s %"e hel' s!%0o%"y )y !he f"#c0o s+"#$s o" f"#c0o )loc-s (0l !he l($s o !he )o'y loc%!e !hemsel&es #!h# !he so!s # !he (++e" 7$e"s of !he sl#+s2 A! !he s%me 0me, !he -eys o !he "ecesses of !he (#06e"2

The s+e%" c% o )e +(lle' (+ o" 'o !he 7sh )ec%(se he # !h#s +os#0o !he sl#+s c%o! )e e/+%'e' #!o !he 7sh )y !he !%+e"s o h! )o'y,

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As % seco'%"y "ele%s#$ mech%#sm, le h%' #c-e"s %"e c(! o he f(ll c#"cle sl#+s %' !he l($s o !he#" )o'y %' !he -eys o !he s!o+ #ll fo"ce !he sl#+s !o "o!%!e #!h !he#" s+e%"2 Ae" )(m+#$ 'o !o )"e%- !he hol', com)#e' "#$h! h%' "o!%0o %' slo ele&%0o of !he 7sh#$ s0$ (sc"es !he s+e%" f"om !he 7sh2

TAPER TAP

IT.S % #!e"%l c%!ch 7sh#$ !ool 'es#$e' !o "e!"#e&e !()(l%" mem)e"s f"om !he ell )o"e2 I! h%s % co#c%l !h"e%'e' s!"(c!("e, s+ec#%lly fo" e$%$#$ 7sh o&e" % #'e &%"#e!y of #!e"%l '#%me!e"s2 T.s c($ !ee!h, c%lle' #c-e"s %"e m%ch#e' o % sh%llo !%+e" !o +"o&#'e % $oo' $"#+ fo" +#c-#$ (+ 7sh 1o)s2 O"eraon

The !%+e" !o+ #s %ssem)le' !o !he )oom of !he 7sh#$ s!"#$2 I! #s !he "( # !he hole 0ll 7sh !o+ #s eco(!e"e'2 The 1(s! s(c#e! e#$h! #s %++l#e' %' "o!%"y !o"*(e #s #m+%"!e' !o %llo !he #c-e" !h"e%'s !o )e em)e''e' #!o !he #!e"#o" of !he 7sh2 Oce sec("e e$%$eme! of !he 7sh h%s )ee co7"me' PO c% )e ##0%!e'2

Com"onents

S#irt, #! #s (se' # some s+ec#7c c%ses2 Thes-#"! #s %ssem)le' !o !he !%+e" !%+ %' #ll %ss#s! # $(#'#$ !he 7sh fo" +"o+e" e$%$eme! %' "e!"#e&%l2 Se&e"%l !y+es of s-#"!s c% )e (0l#se' &#62 +l%# e'e', l#++e' e'e', o" !h"e%'e' e' #!h % !h"e%' +"o!ec!o" fo" %''#$ s!%'%"' o&e"s#6e' $(#'e2

Gui(es, A $(#'e c% )e %ssem)le' !o !he )oom of % !h"e%'e' s-#"!2 Whe !he hole s#6e #s cos#'e"%)ly l%"$e" !h% !he '#%me!e" of !he 7sh, !he"e m%y )e s(c#e! "oom fo" !he T%+e" T%+ !o +%ss %lo$ s#'e of !he 7sh #!ho(!

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e$%$#$ #!2 I !h#s c%se, % o&e"s#6e' $(#'e c% )e (se' !o e$%$e !he 7sh sec("ely %' !o +"o+e"ly $(#'e #! o!o !he T%+e" T%+2

Other misce!!aneous >shing too!s,

The Im"ression 1!oc#

Th#s !ool h%s % cle%", %!, le%'e f%ce2 Th#s #s!"(me! #s !he m#""o" of !he 'ohole co'#0os, %s #! c% #!h "e%so%)le %cc("%cyJ )"#$ !o s("f%ce !he #m+"ess#o of !he 7sh !o+2 I! #s #!h !h#s !ool !h%! $ee"%lly %y 7sh#$ 1o) s!%"!s o2

Construcon

I! h%s % !y+#c%l me!%l f"%me %' % !%#l +# fo" co(+l#$ #!h '"#ll +#+e fo" loe"#$2 O #!.s f"o! f%ce #! h%s % !h#c- co%! of smoo!hly se! le%'2

A""!icaon

I#0%lly I!.s loe"e' %s %ll o!he" 7sh#$ !ools %lo$ !he '"#ll +#+e2 U+o "e%ch#$ !he 7sh !o+ 'e+!h some %''#0o%l e#$h! #s %++l#e' !o #!, h#ch #s %'e*(%!e !o $e! !he #m+"ess#o of !he 7sh !o+2 The #! #s #!h'"% c%"ef(lly2 I +"%c0ce hoe&e", o! oly #!.s f%ce )(! %lso #!.s s#'es !ell (s !he 'ohole s!o"y2 The "(Q#$ %' c("l#$ of !he le%' %! !he s#'es #'#c%!es (e&eess o" e&e '%m%$e # !he c%s#$ some0mes %s %s !he c%se # S%%' ell>2

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Wire!ine s"ear

The W#"el#e S+e%" #s % s#m+le e%sy !o (se !ool 'es#$e' !o "e!"#e&e #"e l#e %' #"e "o+e f"om !he ell )o"e2

Construcon,

S+e%"s %"e cos!"(c!e' of h#$h *(%l#!y s!eel fo" s!"e$!h %' '("%)#l#!y2 The (++e" e' of !he !ool h%s % )o/ coec0o %' 7sh#$ ec-2 To !y+es of  s+e%"s %"e %&%#l%)le2 The s!%'%"' #"el#e s+e%" #s +"o&#'e' #!h el'e' )%")s2 !he coll%+s#)le #"el#e s+e%" h%s "e!"%c0$ )%")s !o %llo e%s#e" e!"y #!o !he #"e #!ho(! com+%c0$ #! f("!he"2 Se""%0os o !he s+e%" sh%-, #s#'e !he coll%+s#)le )%") c%&#!y, f("!he" eh%ces !he %)#l#!y of !he W#"el#e S+e%" !o "e!%# #!s $"#+ o !he c%)le h#le !"#++#$ o(!2

O"eraon,

M%-e:(+ !he s+e%" !o !he )oom of !he s!"#$2 R( # !he hole2 U+o "e%ch#$ !he #"e !o )e "e!"#e&e', sloly loe" !he s+e%", %llo#$ !he s!eel )%")s !o e$%$e !he #"e2 I! m%y )e ecess%"y !o l# %' loe" se&e"%l 0mes !o )e s("e !he s+e%" h%s s(c#e!ly e$%$e' !he #"e2 Sl#$h! "o!%0o m%y %lso )e "e*(#"e' !o loose !he #"e #f #! #s se&e"ely com+%c!e'2 The s+e%" m%y !he )e l#e' f"om !he hole, )"#$#$ !he loose #"e #!h #!2

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;ILLING TOOLS, :un# mi!!,

A"e !he mos! &e"s%0le !y+e # !he m%"-e!2 I! c% )e (se' !o, m#ll %lmos! %y fo"m of me!%l 1(- !h%! f%lls #!o o" #s le # !he hole, s(ch %s !()(l%"s !h%! h%&e )ee ceme!e' #s#'e o" o(!s#'e )"#'$e +l($s, +%c-e"s e!c2

Ta"ere( mi!!,

A"e (se' +"#m%"#ly !o m#ll sec0os of coll%+se' o" s+l#! +#+e %' !o el%"$e "es!"#c0os !h"o($h f"e!%#e"s, %'%+!e"s, e!c2A sm%lle" !%+e" m#ll #s (s(%lly "( 7"s!, folloe' )y s(ccess#&ely l%"$e" m#lls (0l !he 7%l m#ll "( "e%ches !he #!e"%l '#%me!e"

'es#"e'-Rotar+ mi!!,

A"e (se' !o m#ll o&e" %' %"o(' +%c-e"s, '"#ll coll%"s , '"#ll +#+es, e!c2 They c% )e "( o '"#ll +#+es o" %sh o&e" +#+es !o f"ee , )y m#ll#$ , s!(c- '"#ll s!"#$s ,+%c-e"s sl#+s e!c2

Secon mi!!,

A"e (se' !o o+e % #'o # c%s#$ # +"e+%"%0o !o s#'e !"%c-#$ % 7sh, o" !hey c% )e mo'#7e' %' (se' !o c(! +#+e2

(23)

No!e !he WC o" T($s!e C%")#'e %)"%s#&e s("f%ces o 9MT = Co#c%l m#ll

REPAIR AN RE;EIAL TOOLS Casing scra""er

The C%s#$ Sc"%+e" #s 'es#$e' !o "emo&e sc%le, m(' c%-e, ceme! she%!h, em)e''e' )(lle!s, %' o!he" fo"e#$ m%!e"#%l f"om #s#'e of !he c%s#$ %ll2 M%#!%##$ % cle% c%s#$ I2D2 #s &#!%l !o !he ec#e! o+e"%0o of 'o:hole !ools (se' # '"#ll#$ !he ell2 The "es(l0$ smoo!h c%s#$ s("f%ce #s "e%'y fo" s()se*(e! 'o:hole o+e"%0o s(ch %s +%c-e" se$ %' s*(ee6e !ools2

OPERATION

Assem)ly of !he c%s#$ sc"%+e" #s *(#c-, s#m+le %' c% e%s#ly )e 'oe # !he 7el'2 Sec("e !he !ool )o'y2 Ise"! s+"#$s #!o !he )l%'e )o'y '"#&e2 Se! )l%'e o&e" )o'y s+l#es %! ce!e" of !ool, com+"ess )l%'e %' sl#'e #!o s+l#es2

(24)

Is!%ll "em%##$ )l%'es # !he s%me m%e"2 Ose! !he (++e" )l%'e se! f"om loe" se! )y oe s+l#es2 Sec("e )l%'es !o )o'y #!h s+l#! coll%" "#$2

WAS6OVER PIPE,

The !ech#*(e (ses l%"$e '#%me!e" +#+e, (s(%lly h#$h s!"e$!h c%s#$, loe"e' #!o !he hole %! !he e' of '"#ll +#+e2 D"#ll#$ m(' +(m+e' 'o !he %sh+#+e %shes 'e)"#s %%y f"om !he s!(c- 7sh, f"ee#$ #! fo" "eco&e"y2

:8N& RETRIEVAL FIS6ING TOOLS,

FIS6ING ;AGNET

Th#s !ool s# 'es#$e' !o eec0&ely "emo&e fe""o(s +%"0cles, sh%&#$s %' 'e)"#s f"om !he )oom of !he ell )o"e2 The +"ocess of "e!"#e&%l of sm%ll, o'' sh%+e' o)1ec!s #s % &e"y '#c(l! ye! f"e*(e!ly occ(""#$ 7sh#$ s#!(%0o2 Gee"%lly, s(ch o)1ec!s %"e % "es(l! of )#! f%#l("e !h%! le%&e coes %' c(e"s # !he hole, o" %"e % %cc(m(l%0o of m#ll c($s, o" s#m+ly %cc#'e!%l '"o++#$s of  (m#ll%)le o)1ec!s #!o !he hole2 S(ch 7sh c%o! )e e$%$e' # !he co&e0o%l m%e"2 9#sh#$ m%$e!s s(ccessf(lly "emo&e !hese sm%ll o)1ec!s f"om !he hole )oom2 The !ool.s 'es#$ #co"+o"%!es $ee"o(s c#"c(l%0o holes !h%! %sh %%y !he c($s %' o!he" 'e)"#s !h%! o(l' o!he" #se +"e&e!s co!%c! #!h !he m%$e!2 9#sh#$ m%$e!s c% )e "( o e#!he" #"el#e o" +#+e2

Construcon, These m%$e0c !ools %"e cos!"(c!e' f"om s!eel s+ec#%lly selec!e' fo" #!s %)#l#!y !o "e!%# m%$e0c +"o+e"0es ('e" h%"sh 'o hole co'#0os2 The m%$e0c m%!e"#%l #s oe of !he mos! +oe"f(l +e"m%e!

(25)

m%$e!s # #'(s!"#%l (se2 W#!h +"o+e" (s%$e #! sho(l' e&e" lose #!s m%$e0c +"o+e"!y2

O"eraon,

No %ssem)ly #s "e*(#"e' o!he" !h% selec0$ !he 'es#"e' shoe %' #s!%ll#$ #! o !he loe" e' of !he m%$e0c %ssem)ly2 M%-e (+ !he m%$e0c %ssem)ly !o !he )oom of !he 7sh#$ s!"#$2 R( # !he hole %' hol' m%$e! %)o(! > f"om !he 7sh2 C#"c(l%!e co+#o(sly !o %sh %%y !he c($s2 Re'(ce c#"c loe" !he m%$e! !o !he 7sh %' sl#$h!ly "o!%!e !o o)!%# $oo' co!%c!2 C(! o  c#"c(l%0o %' l# !he m%$e! f"om !he hole2

Re@erse circu!aon 'un# )as#et,

I!.s % 1(- "e!"#e&%l !ool 'es#$e' !o "emo&e %ll !y+es of o)1ec!s f"om !he )oom of !he ell )o"e2 Th#s s(+e"#o" !ool "emo&es #!ems s(ch %s sl#+s, h%' !ools, coes %' %y o!he" m#scell%eo(s +#eces of 1(- f"om !he ell2 I! em+loys "e&e"se c#"c(l%0o !o %#' 1(- "eco&e"y2

Construcon,

Th#s !ool h%s % !o+ s(), )%""el %ssem)ly, c%!che" %' shoe2 The )%""el %ssem)ly cos#s!s of % #e" %' o(!e" )%""el, &%l&e se%!, c(+ %' )%ll2 A l# s() #s %lso +"o&#'e' !o f("!he" %ss#s! h%'l#$2

O"eraon,

M%-e (+ !he 1(- )%s-e! !o !he )oom of !he s!"#$ %' "( #!o !he hole2 Whe !he !ool #s %++"o/#m%!ely !e fee! f"om !he )oom of !he hole, !he )%ll #s '"o++e' 'o !he '"#ll +#+e2 The )%ll #ll +os#0o #!self # !he )%ll se%! %' "e&e"se c#"c(l%0o #ll )e$#2 C#"c(l%!e %' commece co"#$2 Com)#e' #!h

(26)

"e&e"se c#"c(l%0o !h#s es("es !h%! %y 1(- o !he )oom #s +(m+e' #!o !he )%""el %' c%($h! )y !he c%!che" %ssem)ly2 The !ool #s "emo&e' f"om !he hole %e" c($ (+ !o ?co"e2

:un# su),

The Boo! B%s-e! 4<(- S()5 #s % %ccesso"y !ool (se' # m#ll#$ o" '"#ll#$ o+e"%0os2 I! #s 'es#$e' !o +"e&e! c($s !h%! %"e !oo he%&y !o )e c#"c(l%!e' f"om sel#$ !o !he )oom of !he hole2

Construcon,

Boo! )%s-e!s %"e m%(f%c!("e' f"om h#$h:s!"e$!h he%! !"e%!e' %lloy s!eel !o #!hs!%' e%"2 He%&y:'(!y "#)s %"e %%che' !o !he c(+ !o +"e&e! #! f"om )e#$ c"(she' %' !o $(#'e !he !ool !h"o($h 0$h! +l%ces h#le !"#++#$ o(! of  !he hole2 These "#)s %"e o! el'e' !o !he m%# )o'y of !he !ool, f("!he" eh%c#$ #!s s!"e$!h2

O"eraon,

Boo! )%s-e!s %"e (se' '#"ec!ly %)o&e !he m#ll o" '"#ll )#!2 O se&e"e m#ll#$ 1o)s, #! #s c(s!om%"y !o "( !o o" !h"ee )%s-e!s # !%'em %)o&e !he m#ll2 Th#s !%'em "(#$ o! oly #c"e%ses !he c%+%c#!y !o "emo&e !he c($s, )(! %lso +"o&#'es e/!"% s!%)#l#6%0o fo" !he m#ll2 Boo! )%s-e! c% )e "( # e#!he" o+e hole o" #s#'e c%s#$2 Whe !he )%s-e! #s o"-#$ #s#'e % c%s#$, h%"' f%ce' +%'s, '"esses !o !he s%me O2D2 %s !he m#ll o" )#!, sho(l' )e (se'2

(27)

OWN6OLE PAC&ER AN CO;PLETION TOOLS

A)o(! com+le0o e*(#+me!s, e )e$# #!h !he 'esc"#+0o, mech%#sms, cl%ss#7c%0o %' %++l#c%0os of +%c-e"s2 These )e#$ of mo"e #!"#c%!e s!"(c!("e %""%! mo"e %e0o2

9('%me!%lly +%c-e"s %"e em+loye' %s com+le0o !ools fo" se%l#$ !he +"o'(c0o c%s#$:!()#$ %(l(s2 Amo$ o!he" +"#m%"y f(c0os of % +%c-e"

9#$F A mech%#c%l +%c-e"

To #sol%!e !he c%s#$ f"om !he co""os#&e (#'s, %' o", h#$h +"ess("e2 To #sol%!e %' co!"ol o f"om +%y 6oes2

I co1(c0o #!h % %"07c#%l l# sys!em2 To selec0&ely +"o'(ce f"om m(l0+le 6oes2

A''e' %'&%!%$e # #"el#e %' Dohole o+e"%0os2

T+"es o7 Pac#ers,

P%c-e"s c% )e of s#$le '(%l o" !"#+le )o"e, %' %"e m%#ly cl%ss#7e' %s se"&#ce +%c-e"s %' +"o'(c0o +%c-e"s2 9("!he", +"o'(c0o +%c-e"s %"e cl%ss#7e' %s "e!"#e&%)le %' +e"m%e! +%c-e"s2 Re!"#e&%)le +%c-e"s %s ell %s +e"m%e! +%c-e"s %"e s()cl%ss#7e' %s mech%#c%lly se! %' hy'"%(l#c%lly se!2

Ser@ice "ac#ers,

!he se"&#ce +%c-e" #s (se' fo" o%l #sol%0o # co1(c0o #!h +"ess("e +(m+#$ o+e"%0os2 The se"&#ce +%c-e" +"o&#'es )o!h % %(l%" se%l %' %

(28)

(#' +%!h%y f"om !he !()#$ !o )elo !he +%c-e", so !h%! !he 6oe )elo !he +%c-e" c% )e !"e%!e' h#le "em%##$ #sol%!e' f"om !he s("f%ce %' f"om !he 6oes %)o&e #! # !he ell )o"e2 Se"&#ce +%c-e"s %"e 'es#$e' !o "em%# # !he ell)o"e oly fo" % sho"! 0me !o com+le!e !he s0m(l%0o o+e"%0o2 Oce !he o+e"%0o #s com+le!e, !he se"&#ce +%c-e" #s "emo&e' f"om !he ell)o"e2

Hoe&e" !hese c% )e (se' %s +"o'(c0o +%c-e"s o % sho"! !e"m )%s#s, 'e+e'#$ o !he ell)o"e e&#"ome!2 L#-e#se % +"o'(c0o +%c-e" c% )e (se' %s % se"&#ce +%c-e"2

Retrie@a)!e ser@ice Pac#ers,

These %"e &e"y &e"s%0le !ools !h%! c% )e (se' fo" (me"o(s %++l#c%0os, #cl('#$ s("f%ce #sol%0o, 6oe #sol%0o, l#e" !o+ seco'%"y ceme0$, sho"! %' lo$ !e"m %)%'ome!, c%s#$ +"ess("e !es0$, fo"m%0o f"%c!("#$ %' s()se*(e! +"o'(c0o !es0$2 Bec%(se "e!"#e&%)le !ools %"e le # !he ell)o"e oly fo" % sho"! 0me, !hey %"e o! s(sce+0)le !o !he co""os#&e eec!s of Hy'"o$e S(l+h#'e %' C%")o '#o/#'e, # mos! c%ses2 They c% hece )e (se' %$%#2

Pro(ucon Pac#ersF Re!"#e&%)le P%c-e"sF

They %"e "( %s % #!e$"%l +%"! of !he !()#$ s!"#$2 They %"e se! e#!he" mech%#c%lly o" hy'"%(l#c%lly %' c% )e "ele%se' )y +(ll#$ o" "o!%0$ !he !()#$2 The %'&%!%$es %"eF

T()#$ c% )e l%'e' %' Ch"#s!m%s T"ee #s!%lle'2 P%c-e" c% )e "e(se' # %o!he" %++l#c%0o2

The +%c-e" 'oes o! h%&e !o )e m#lle' o(! #f #! )ecomes ecess%"y !o "emo&e #!, !h(s s%&#$ 0me2

Mech%#c%l "e!"#e&%)le +%c-e"s c% )e "e(se' # !he s%me ell #!ho(! "e'"ess#$2

The '#s%'&%!%$es %"eF

(29)

E*(%l#6%0o of +"ess("e %c"oss !he +%c-e" m%y )e '#c(l!2

S%' o" o!he" 'e+os#!s %)o&e !he +%c-e" m%y m%-e #! '#c(l! !o "e!"#e&e2

Pe"m%e! P%c-e"sF

Th#s !y+e of +%c-e"s oce se! c% )e "e$%"'e' %s +%"! of !he c%s#$ %' c% oly )e "emo&e' )y 'es!"(c0&ely m#ll#$2 T()#$ c% )e "ele%se' f"om, %' "( )%c-%' se%le' #!o !hese !y+es of +%c-e"s2 Pe"m%e! +%c-e"s c% )e se! hy'"%(l#c%lly, elec!"#c%lly o" mech%#c%lly2 They %"e "ecomme'e' fo" (se # !he follo#$ c%sesF

H#$h +"ess("e '#e"e0%l "e*(#"eme! Lo$ !e"m com+le0o "e*(#"eme! M%/#m(m 'e+e'%)#l#!y2

P%c-e" )o"e "e*(#"eme!2

P8;P O8T PL8G,

Th#s #s % 'e&#ce fo" !em+o"%"#ly se%l#$ !he )oom of !he !()#$ s!"#$ !o +"e&e! (#' f"om mo&#$ (+ !he !()#$, h#le !"#++#$ # !he hole2 The +(m+: o(! )%ll:se%! c% )e (se' %s % )"#'$#$ 'e&#ce !o se! % hy'"%(l#c +%c-e" o" !o hy'"%(l#c%lly !es! !he !()#$ sys!em2 The )%ll:se%! %llos !he !()#$ !o 7ll #!h (#' h#le "(#$ # !he hole2 PoP #s (se' )elo % +"o'(c0o +%c-e" o" !%#l +#+e2 The %ssem)ly hol's +"ess("e f"om %' (se%!s #!h % +"e'e!e"m#e' %mo(! of !()#$ +"ess("e $e %)o(! @+s#2 The PoP %llos (#' o f"om )o!h '#"ec0os, (0l % +%"0c(l%" '#%me!e" )%ll #s $"%&#!%!e' #!o !he l%'#$ se%!2 P"ess("e %++l#e' !o !he !()#$ s!"#$ #ll she%" o(! !he )%ll %' se%! %! % +"e'e!e"m#e' +"ess("e "%0$2

FLOW CO8PLING AN 1LAST :OINTS,

These %"e !h#c- %lle' !()(l%" com+oe!s o"m%lly (0l#6e' # com+le0o %' loc%!e' %'1%ce! !o ch%$es # !he !()#$ ID o" %c"oss +e"fo"%0os2 9lo co(+l#$s %"e (se' he"e !(")(lece c%(se' )y ch%$es # !he ID #s loc%!e' # !he !h#c-e" %ll of !he o co(+l#$ "%!he" !h% )e#$ # !he +"o'(c0o !()#$2

(30)

9lo co(+l#$s %"e $ee"%lly coec0o OD %' %"e %&%#l%)le # @,, %'  fee! le$!hs2 Bl%s! 1o#!s %"e cos!"(c!e' s#m#l%"ly #!h coec0o OD %' %"e %&%#l%)le # > o" ? fee! le$!hs2 The )l%s! 1o#! #s +l%ce' # !he !()#$ s!"#$ %'1%ce! !o +e"fo"%0os2 The !h#c- %lls of !h#s !()e "es#s! !he e"os#&e )l%s! of  (#' f"om !he fo"m%0o, h#ch oe c%""#es %)"%s#&e sol#' +%"0cles2

LANING NIPPLE,

The se%0$ #++les +"o&#'e % me%s of l%'#$ )l%-#$ +l($s, o" chec- &%l&es c%+%)le of hol'#$ +"ess("e f"om %)o&e fo" se$ hy'"%(l#c +%c-e"s %' !es0$ !()#$2 Us%$e of !he LN %llos +os#0&e #'#c%0o !h%! !he !h"o($h: !()#$ o co!"ol 'e&#ce #s co""ec!ly loc%!e' # !he 'es#"e' #++le +"o7le2 They c% %lso )e (se' !o #sol%!e !he +e"fo"%0o %' +"o!ec! !he fo"m%0o f"om %y '%m%$e '(e !o -#ll (#' loss o" (se' fo" l%'#$ % cho-e, h#ch #ll "e$(l%!e !he +"o'(c0o o "%!e2 The )oom o:$o se%0$ #++le )y %!("e of #!s 'es#$ co!%#s !he sm%lles! "es!"#c0o # !he !()#$ s!"#$, se"&#$ %s % c%!che" fo" !ools #%'&e"!e!ly '"o++e' 'ohole2 The l%'#$ #++le +"o&#'es % s#$le (se2 P"ess("e %c!(%!e' sys!em fo" +"o&#'#$ % "el#%)le %' ecoom#c%l me!ho' of o+e#$ (+ comm(#c%0o )e!ee !he !()#$ %' %(l(s2

1RIGE PL8G,

The c%s! #"o )"#'$e +l($ #s % '"#ll%)le +l($ 'es#$e' fo" !em+o"%"y o" +e"m%e! 6o%l #sol%0o %' ell %)%'ome! o+e"%0os2 I! c% )e #"e: l#e o" mech%#c%lly se!2 I! #s e%s#ly co&e"!e' fo" ceme! "e!e0o2

EPANSION :OINTS,

These %"e 'es#$e' !o )e (se' # s#$le %' m(l0:s!"#$ com+le0os he !()#$ mo&eme! #s e/+ec!e', )ec%(se of !em+e"%!("e o" +"ess("e ch%$es '("#$ !"e%!me! o" +"o'(c0o es+ec#%lly hy'"o:f"%c!("#$ 1o)2 These %"e %&%#l%)le # &%"#o(s s!"o-e le$!hs2

(31)

SAFET= :OINTS,

These %"e (se' )e!ee +%c-e"s # '(%l %' T"#+le com+le0os %' # selec0&e com+le0os (s#$ hy'"os!%0c s#$le s!"#$ +%c-e"s2 The she%" +# s%fe!y 1o#! #s % 'e&#ce !h%! e%)les s!(c- !()#$ !o )e she%"e' o, )(! )ec%(se #! #!"o'(ces % e%- 1o#!, #!s (se sho(l' )e "es!"#c!e' he"e&e" +oss#)le2 These %"e of !o !y+esF

%5 She%" S%fe!y <o#!F Th#s 1o#! +"o&#'es fo" % eme"$ecy "ele%se of !he !()#$ s!"#$2 S!"%#$h! +(ll se+%"%!es !he !ool %! % +"e'e!e"m#e' she%" &%l(e2

)5 Ro!%0o%l S%fe!y <o#!F Th#s 1o#! +"o&#'es fo" % eme"$ecy "ele%se of  !he !()#$ s!"#$2 I! (se' l%"$e s*(%"e le h%' !h"e%'s !o se+%"%!e !he (++e" %' loe" s()s #!h "#$h! h%' "o!%0o %)%'o#$ %y +"o'(c0o e*(#+me! )elo2

SE8ENCE OF EVENTS FOR SETTING ;EC6ANICALL= SET 1RIGE PL8G,

 R(#$ # hole )"#'$e +l($ (+ !o 'es#"e' 'e+!h2

 P#c- (+ h%lf % me!"e %)o&e !he se$ 'e+!h2

 Te "o('s cloc-#se "o!%0o !o )e #m+%"!e' !o !he )"#'$e:+l($ se$ !ool2

 Go 'o h%lf % me!"e %! se$ 'e+!h2

 G#&e !e:!oe e/!"% +(ll !o s!"#$ !o se! )"#'$e +l($ sloly2

 W%#0$ fo" % fe m#(!es2

 A++ly !e:!oe lo%' o )"#'$e +l($ %' %#! f("!he" fo" 7&e m#(!es2

 P#c- (+ s!"#$ e#$h! %' "o!%!e s!"#$ cloc-:#se !e !o 7ee "o('s2

 P#c- (+ s!"#$ #ll )e fo(' !o $e! "ele%se' f"om )"#'$e +l($2

(32)

6=RA8LIC PAC&ER SETTING PROCE8RE,

 T()#$ coec!e' !o !he +(m+ %' %(l(s !o !%-+#!

 9#ll ell !h"o($h !()#$ )y com+le0o (#' )"#e o" %!e"2

 D"o+ )%ll !h"o($h !()#$2

 W%#! fo" %)o(! h%lf % ho(" fo" )%ll !o "e%ch o !o+ of PoP2

 P(m+ !h"o($h !()#$ %' #c"e%se !he +"ess("e of s!"#$ # s!%$es of  +s# (+!o ? +s#2

 W%#! fo" % fe m#(!es # e%ch s!%$e2

 Chec- +%c-e" se$ )y %++ly#$ +"ess("e !h"o($h %(l(s (+ !o > +s#2

 W%#! !e!y m#(!es !o o)se"&e +"ess("e '"o+2 If !he"e #s o +"ess("e '"o+ me%s +%c-e" $o! se! %! 'es#"e' 'e+!h2

 The #c"e%se +"ess("e %$%# !h"o($h !()#$ (+ !o @ +s# %' PoP $e!s she%"e' %! @ +s#2

(33)

Case stu(+ D2

I!!ustraon o7 a wor#o@er 'o) seuence, We!! Wa(uDH .w(e75

Rig ,9 car(we!!9/9 .wor# o@er rig5

<o)F: oe !"%sfe" %' co&e"s#o !o %!e" #1ec0o 1o) :D%y> #2e ?>>

D("#$ '%y0me !"%s+o"!%0o of "#$ !o ell s#!e !oo- +l%ce2 A! #$h! !he "#$:(+ o+e"%0o s!%"!e'2

:?

D%y: R#$ (+ %ccom+l#she'2 The ell %s s()'(e'2 N#++le 'o of SRP:T %' #++le (+ o+e"%0o of BOP +e"fo"me', #2e, s(c-e" "o' +(m+ #s!%ll%0o %s "emo&e' %' BOP %s #s!%lle'2 A! #$h! coe 4!()#$ h%$e"5 +(ll o(! o+e"%0o c%""#e' o(!2 O)se"&%0o %s, )"o-e +ol#she' "o' of s"+2 S(c-e" "o' %' +(m+ e"e +(lle' o(!2 ? !()#$s e"e "( #!o2 P(m+ c%!che" X 'o()le !()#$s X> s#$le e"e +(lle' o(!2 P"e+%"%0o fo" sh%"+:e'$e "( # o+e"%0o2 :@

D("#$ D%y0me, s%h"+ e'$e %s "( # %lo$ #!h K 'o()les, > s#$le2 Boom %s eco(!e"e' %! >@>m2 +(ll#$ o(! of ? 'o()les %'1(s0$ of sh%"+ e'$e %s 'oe2 A! >m s*(ee6e ceme0$ 1o) %s c%""#e' o(! )y s*(ee6#$ ? L %! ? +s#2 A! #$h!  'o()les %' > s#$le !()#$s %' sh%"+ e'$e2 R(#$ # sc"%++e" %'  'o()le !()#$s# +"o$"ess2

:@>

R(#$ # of ?? 'o()les %' > s#$le !()#$ %s c%""#e' o(!2 Ceme! !o+ %s fo(' %! >?mJ !es!e' ceme! +l($ HT %' >+s#J o-2 P(ll#$ o(! of ? 'o()les, # s#$le !()#$ sh%"+:e'$e %' sc"%++e" 'oe2 Bl#' "%m of BOP !es!e' %! >+s#2 o-2 Well "e%'y fo" +e"fo"%0o2

(34)

:>

oe >>2:>@ %s +e"fo"%!e' #!h > s+m 4sho!s +e" me!"e5 $(2 Bell )oom, K 'o()les, %' > s#$le !()#$ e"e "( #J BOP "emo&e', /m%s !"ee #s!%lle'2 Com+"esso" %++l#e' %! >>-sc2 O)se"&e' %!e" %lo$ #!h %#" h#le "ele%s#$ +"ess("e2 A! #$h! #1ec0&#!y %s chec-e' %s > l+m %! >? +s#2 Y: m%s !"ee "emo&e', BOP #s!%lle'2 Bell )oom %s -e+! %! > m ell "e%'y fo" ROS 1o)2

:?

ROS4"es#'(%l o#l s%!("%0o5 1o) c%""#e' o(! )y s*(ee6#$ ? L of sol&e! %! >>-sc2 The )ell )oom %s %'1(s!e' %! >KKm2 Bo+ "emo&e', /m%s !"ee #s!%lle'2 R#$ "ele%se'2 9o" ;LL?2

No!eF # !he sol&e! 1o), % o+0m%lly fo"m(l%!e' m#/!("e of s("f%c!%! EGMBE o" E!hyleeGlycolMooB(!ylE!he", Yylee %' '#esel %s em+loye' # !he sol&e! 1o)2

9999999999999999999999999999999999999999999999999999

CASE ST8=D<

E?"!orator+ we!!BInc!ine( JS.re7ers to the (ri!!e( tra'ector+5 NG;D<H4

RIG , R9< .RILLING RIG5

DRILLED DEPTH ?>2M ;B ?2>M GL ?2M TEST ONE ?:?M

:SCRAPE WELL WITH GO GAUGING UPTO 9LOAT COLLAR Z ?M :RECORD CBL:VDL:CCL:GR A9TER K?HR O9 WOC I9 O;

(35)

:RI TBG WITH BB, CHANGE OVER TO WATER, TEST CSG AND CHEAD HERMETICALL AT @? ;SC 9OR > HR I9 O;

:PLACE ?M BRINE CUSHION O9 SP2 GR2 >2? AD WATER BU99ER O9 M, THEN MUD AS USED IN DRILLING POOH

:PER9 OB<:> INTERVAL ?:?M N: CONVENTIONALL Z>SPM4DEEP PENETRATION5

:RI TBG WITH BB AT ?KM2 ND BOP, NU YMT2 TEST RIG AT @?;SC :DISPLACE WELL 9LUID WITH WATER

:I9 WELL BECOMES ACTIVE AND PRODUCES OILGAS 9LOW IT ALTERNATIVEL THRU ANNULUS AND TBG TILL WELL GETS CLEANED AND STABILIED

:CO 9LOW STUDIES THRU SEP WITH ?@ DI99 BEANS TILL STAB 9LOW O9 OILGAS IS OBTAINED

:I9 WELL DOESN.T BECOME ACTIVE APPL COMP N? TO REDUCE 9LUID LVL2 ACT WELL AND CO RESERVOIR STUDIES

:I9 WELL STILL DOESN.T BECOME ACTIVE CO PLAIN ACIDMUDACDH9 <OB A9TER IN< TEST AND ACT WELL CONVENTIONALL

:PROD WATER SHOULD BE ALLOWED TILL STABLE SALINIT VALUE IS OBTAINED :SHI9T CHEMIST SHUD EYAMINE 9LUID SAMPLES REGULARL2

:::::::::::::::::::::::::::::END O9 PLAN:::::::::::::::::::::::::

NOTEF ON >::>> ONE:> WAS SEALED WITH BRIDGE PLUG IN NIGHT SHI9T2 ON >K::>>, NEW ONE WAS PER9ORATED WITH > SPM GUN DURING DATIME2

COMPLETION TPEF: THIS WELL HAS SIMPLE BB WITH TUBINGS2

(36)

&LLD2

> GENERAL IN9ORMATION

;elly )(sh#$ K>2>?M G"o(' L&l 2M DRILLED DEPTH >M

? CASING POLIC

TPE SIE GRADE THIC;NESS DEPTH CEMENT RISE BH CSG 9ROM SUR9 4M5 CONDUCTOR   <  PP9 SUR9ACE PRODUCTION   <  >KPP9 OO:> >> 9LOAT COLLAR >?M @ C PLUGB PLUG

 PRESENT PAONE4>@@:>@2M5 IN ;ALOL:@ PAONE  PRESENT TBG SHOEBELL BOTTOM POP AT >@@M

 PAC;ER TPE AND DEPTH[CLEARED UPTO >M DURING LAST WO< K PUMP CATCHER DEPTH:>?M

 LAST ;ILLING 9LUID USED:BRINE

 B2H CONDITIONS SBHP >;GC DEPTH >@M

PEVIOUS HISTOR TESTED C%S#G AND CSG HEAD AT ? ;SCJ 9OUND HT SEALEDJ RECORDED CBL:VDL:CCL:GR LOGS2 CBL O;J PAONE IN THE INTERVAL >@@:>@2M IN ;:@ WAS PER9ORATEDJRI TBG WITH BB JAPPLIIED COMPRESSOR THRICE2>ST COMP APPLICATION  ;SCJ OBSERVED 9LOW O9

WATER ONLJ?ND APP COMP >? ;SCJ: ;SC LITTLE GAS, : ;SC OIL 9LOW, :K ;SC WATER WITH OIL AND K:>?;SC WATER WITH OIL TRACES2 AIR CUT AT >? ;SCJ @RD COMP APP,::>>;SC LITTLE GAS,>:>;SC OIL9LOW AND >:>>;SC WATER WITH OIL TRACES2 WUO2 NO 9LOW2 RR ::??2

References

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