TRAINING REPORT
TRAINING REPORT
For summer training with WELL SERVICES secon
For summer training with WELL SERVICES secon
At own ho!e "ac#er $ Fishing secon% &a!o!% Sai' At own ho!e "ac#er $ Fishing secon% &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+% PP8 Schoo! o7 Petro!eum Techno!og+% PP8
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 cerfy that
This is to cerfy that Mr.T. A. Kartk,Mr.T. A. Kartk, student of student of B.Tech Peroleum Technology B.Tech Peroleum Technology , , from
from Pandi Deendayal Peroleum Universiy, Gandhinagar Pandi Deendayal Peroleum Universiy, 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& $%G& from 1 from 1st st June to 16 June to 16thth July 2011 July 2011
Sh-
Sh- N- N- R- R- Chow(hur+ Chow(hur+ Sri Sri 1- 1- SeshagiriSeshagiri C
Chhiiee7 7 EEnnggiinneeeerr..PPrroo((5 5 CChhiiee7 7 EEnnggiinneeeerr..PPrroo((55 .Training co9or(inator5
.Training co9or(inator5
Sh-
Sh- &o!an'in&o!an'inathan athan Sh- Sh- :-C-:-C-Tri"athiTri"athi S
Suu""eerriinntteenn((iinng Eg Ennggiinneeeerr..PPrroo((5 5 SSuu""eerriinntteenn((iinng Eg Ennggiinneeeerr..PPrroo((--55 ..TTrraaiinniinng g gguuii((ee5 5 ..TTrraaiinniinng g gguuii((ee55
Sh- 6- ;anoharan Sh- 6- ;anoharan G;.P59L;9WCT G;.P59L;9WCT
.6ea( own 6o!e Secon5 .6ea( own 6o!e Secon5
24
Ac#now!e(gement
Ac#now!e(gement
The cycle of
The cycle of seless me!o"#seless me!o"#$ oe $ oe 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 oly he oe !%-es #! (+o $"o!h %' le%"#$ o(l' )e "e'e"e' com+le!e oly he oe !%-es #! (+o h#mself !o +%ss o oe.s e/+e"0se !o oe.s 1(#o"s2 Wh%! follos #s.! 1(s! % h#mself !o +%ss o oe.s e/+e"0se !o oe.s 1(#o"s2 Wh%! follos #s.! 1(s! % o"
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es("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#-#$. sess#os )e!
3lo(' !h#-#$. sess#os )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##ssccooccee++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
;%"0-CONTENTS
>2 I!"o'(c0o !o 9#sh#$ O+e"%0os %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" !oolsf2 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
SO;E &E= LEARNING POINTS,
: +"o'(c0o c%s#$s %! L#m'o'"% ells %"e $ee"%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" ceme0$ %' cs$ #s!%)#l#!y2
:Sys!em%0c%lly "eco"'#$ !he &%"#o(s '#mes#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 hoe&e" %"#ses #!h (s%$e of co(!e"fe#! o" #m+"o+e" c"osso&e" s()s %' soc-e!s of o:s!%'%"' '#mes#os2 These o(l'.! cofo"m !o +"esc"#)e' !ool '#mes#os %' !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" ec%+s(l%!e' # % me!%l m%!"#/2 Whe e/+ose' !o #!ese he%!, !he me!%l mel!s %' os 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$eeo(s ceme!%0o Th#s +"o)lem #s sol&e' (s#$ % ceme! "e!%#e", s#ce e0"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+es (+ he !he s!"#$e" s!%)s #%"'s2 I!.s (seF: Holes %"e '"#lle' %)o&e %' )elo +oo"ly ceme!e' 6oe %' 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#$, oe 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 sec0os, ? lo$ oes %' % sho"!e" m#''le oe2 Hoe&e" (+o se$, oly !he ce!"%l eleme! %c0&ely se%ls !he %(l(s )y +"ess#$ %$%#s! c%s#$, !he o!he" !o oly 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 %'
so "ef(ses !o se! I ells #!h e/!"emely %/y c"('es !h#s 'oes h%++e some0mes, e."e !ol'2 So oe 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 +%y6oe:@ +"o'(ces oly $%sJ !he <h%lo"% h%s % %c0&e %!e" '"#&e2
:m#c"o !()#$ %++l#c%0oF # 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%! oly !he hy'"oc%")o #s %lloe' #!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 ec#ecy 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%0o2
:Tes#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 Is!e%' #! se%ls !he %(l(s (+o %++l#c%0o of !es#o 1(s! (l#-e !he R:@ mech%#c%l +-"2
Fishing O"eraons
Fish: Ay o)1ec! !h%! #s %cc#'e!%lly le # !he )oom:hole '("#$ '"#ll#$ o" o"-o&e" 1o)s %' #! )e#$ of s(ch '#mes#os, sh%+e o" o"#e!%0o o)s!"(c!s !he co("se of "o(0e ell o+e"%0o, o" #&ol&es loss of e/+es#&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"%0os
:s0c-#$ of '"#lls!"#$ '(e !o fo"m%0o #!e"%c0o o" 'o$le$s, c"e%0o of -ey se%! e!c
:!#s! os of '"#ll +#+e sec0os 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!!ocaon in >shing
Dec#s#os "e$%"'#$ 7sh#$ ee' !o !%-e #!o %cco(! % my"#%' of f%c!o"s2 Be #! # !he o#l 7el' o" elsehe"e #!s )ee7! %' comme"c#%l fe%s#)#l#!y !h%! m%e"s2 So )efo"e oe 'ec#'es !o $o fo" !he 7sh, %! le%s! !hese #ss(es m(s! )e +o'e"e' (+oF
>2 The #fo"m%0o e h%&e %)o(! !he !y+e, &%l(e # !e"ms of (0l#!y o" cos!, '#mes#os, 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% +oe", "#$
cos!s, e*(#+me! %' ee"$y cos!s, loss of +"o'(c0o #c(""e'2
2 Cos!s #&ol&e' # )%c-#$ o, +l($$#$ %' s#'e!"%c-#$ !he 7sh # %)sece 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 %lloe' 0me f"%me o(l' 'e!e"m#e he!he" #! %"%c!s f("!he" #&es!me! of "eso("ces %' 0me o" #s %)%'oe' m#'%y fo" %! of )ee" o+0os2
Fishing Too!s
These %"e $ee"%lly cl%ss#7e' %sF I!e"%l c%!ch#$ 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 hoe&e" oe
c%.! e/e"c#se #f oe chooses !o loe" % 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 follosF 9#"s! !he f"ee +#+es %)o&e !he 6oe %"e "emo&e', !he "em%##$ s!(c-+#+e of 7sh #s !o )e "emo&e', !h#s #s m%#ly 'oe 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 loe"#$ !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 loosee' 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
Ay sm%ll o)1ec! s(ch %s !he #"e, )e%"#$s, coes ,"olle"s of )#!, +(m+ o(! +l($s, se%! %' )%ll, e!c2 #s c%lle' %s 2De+e'#$ (+o !he !y+e of 1(-eco(!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, $"%++le o" #"e c%!che" #s (se'2Oce !he 7sh #s eco(!e"e' !he, !he 7sh c% )e c%($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' cos!"(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%$e o" '#s!o"0o !o e#!he" !he !ool o" !he 7sh2
O&e"sho! #s % com+%c! (#! 'es#$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($h !he #s!%ll%0o of +"o+e" ('e"s#6e +%"!s, !hey m%y )e %'%+!e' !o e$%$e %' +%c-o %y sm%lle" s#6e2
The o&e"sho! h%s !hese !h"ee +%"!sF >2 To+ s()
?2 Bol @2 G(#'e
No !he#" 'e!%#le' 'esc"#+0o TOP S81
The !o+ s() #s !he (++e"mos! com+oe! of !he %ssem)ly2 I! #s e*(#++e' #!h % )o/ coec0o, !o %ss("e +"o+e" m%-e:(+ #!h !he 7sh#$ s!"#$2
1OWL
The )ol #s !he m%# o"-#$ com+oe! of !he o&e"sho!2 The (++e" e' of !he )ol #s !h"e%'e' fo" %ssem)ly #!h !he !o+ s()2 The loe" e' #s !h"e%'e' fo" %ssem)ly #!h !he s!%'%"' $(#'e2 A hel#/:sh%+e' co7$("%0o #s#'e !he o&e"sho! )ol +"o&#'es % !%+e"e' s+#"%l s("f%ce o h#ch !he $"%++le #ll )e %ssem)le'2 Oce !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 $"#+2 The s!"%# #s e&ely '#s!"#)(!e' o&e" !he e0"e o"-#$ s("f%ce of !he )ol %' !he $"%++le2 Th#s m##m#6es %y +oss#)le '%m%$e !o !he )ol o" !he 7sh2
The )ol 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 7e' #!o
!h#s sec0o2 he % (+%"' +(ll #s e/e"!e' %$%#s! % 7sh, % e/+%s#o s!"%# #s s+"e%' e&ely o&e" % lo$ 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
STANAR G8IE
The s!%'%"' $(#'e #s !he loe"mos! com+oe! 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 $"%++le #s fo"me' %s % le h%' hel#/ #!h % !%+e"e' e/!e"#o" !o cofo"m !o !he hel#c%lly !%+e"e' sec0o # !he )ol2 I!s #!e"#o" #s #c-e"e' fo" e$%$eme! #!h !he 7sh2
1as#et Gra""!e
A )%s-e! $"%++le #s % e/+%s#)le cyl#'e" #!h % !%+e"e' e/!e"#o" !o cofo"m !o !he hel#c%lly !%+e"e' sec0o # !he )ol2 I!s #!e"#o" #s #c-e"e' fo" e$%$eme! #!h !he 7sh2
4O&e"sho!s '"esse' #!h )%s-e! %' s+#"%l $"%++les "es+ec0&ely5
GRAPPLES ;O8S OPERANI,The mo&eme!s of !he $"%++le %"e $o&e"e' )y @ f%c!o"s #2e, 7"s!ly !he G"%++le #s % le h%' hel#/J !he loe" e' of !he G"%++le #s %cho"e' # !he O&e"sho! BolJ !he #s#'e '#%me!e" of !he G"%++le #s sm%lle" !h% !he o(!s#'e '#%me!e" of !he 7sh2
Whe !he o&e"sho! #s "o!%!e' !o !he "#$h! %' loe"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
Gra""!e Contro!s
G"%++le co!"ols !"%sm#! !o"*(e f"om !he o&e"sho! )ol !o !he $"%++le h#le %llo#$ !he $"%++le !o mo&e &e"0c%lly #s#'e !he )ol2 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 $"%++le !o !he )ol2
;echanism o7 OBS6OT AS A SE8ENCE OF EVENTS,
Ae" !he o&e"sho! h%s "e%che' !he !o+ of !he 7sh, com)#e' "o!%0o %' loe"#$ "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 cos!"%c!e' )y !he !%+e"s # !he Bol %' !he hol' #ll )e sec("e2
:L#-e#se, oce !he 7sh #s # !he +o"0o2 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
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'#0o2
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/!es#o )e!ee !he To+ S() %' !he Bol2 Us#$ !he To+ S(), coec! !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', sloly "o!%!e !he 7sh#$ s!"#$ !o !he "#$h! %' $"%'(%lly loe" !he O&e"sho! o&e" !he 7shF com)#e' "o!%0$ %' loe"#$ #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! %' sloly 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
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 $"%'e %lloy2 The h%"'ee' c($ !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 % "%$e of o(!e" '#%me!e"s2 Hece, !h#s !ool comes # h%'y he !he"e #s l#le (ce"!%#!y o" 'o()! "e$%"'#$ !he 7sh '#mes#os2 S#ce !h#s oe #s % "o!%"y c%!ch !ool, #! #s o:"ele%s#$2 So #f %e" e$%$#$ #!h !he 7sh !he !ool $e!s s!(c-, !he !he"e #s o %y )(! !o le%&e #! %' )%c-:o2
O"eraon
D#e coll%" #s loe"e' %lo$ !he le h%'e' '"#ll +#+e4LHDP52 U+o eco(!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 esse0%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 $"#+ #! 7"mly2 The !he e/+e"#ece' 7sh#$ +"ofess#o%l ##0%!es !he +(ll:o(! )y #m+%"0$ !he "#$h! %mo(! of (+%"' +(ll !o !he s!"#$ %e" co7"m#$ !he (#o of '#e coll%" #!h !he 7sh2 Th#s +"ocess #s co0(e' 0ll !he 7sh #s "e!"#e&e'2
Hoe&e" )efo"e e$%$#$ # % 7sh#$ o+e"%0o (s#$ % '#e coll%" % !ho"o($h %sh o&e" 1o) #s oe "ecomme'e' %s #! #s % o:"ele%s#$ !ool2 Th#s #s.! s!%'%"' +"o!ocol )(! % +"ec%(0o%"y me%s("e oly2
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#$2 I! m%y )e (se' # co1(c0o #!h #!e"%l c(e"s !o +e"fo"m c(! %' +(ll o+e"%0os2 All f(ll c#"cle s+e%"s fo" !()#$ %' '"#ll +#+e %"e com+ose' of % !o+ s(), +"o!ec!o" 4he % 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 "#$, (! %' (! se! sc"e2 The f"#c0o )loc- %ssem)ly #cl('es % (#06e", "e!%#e" 4? +#eces5, f"#c0o )loc-s, "e!%#e" sc"es, o(!e" )loc- s+"#$s %' #e" )loc- s+"#$s2The f"#c0o s+"#$ %ssem)ly #cl('es % (#06e", f"#c0o "e!%#e", f"#c0o s+"#$s 4h#ch %"e #!e$"%l #!h !he f"#c0o "e!%#e"5, %' f"#c0o "e!%#e" sc"es2The !o+ s() of f(ll c#"cle s+e%"s fo" !()#$ o" '"#ll +#+e se"&es %s % s!o+ %' #s +"o&#'e' %! #!s loe" 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"%0o2
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'#0o2 The coec! !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($s o !he (#06e"2 I !h#s +os#0o !he f(ll c#"cle sl#+s %"e +"esse' #%"' %' #ll o! e$%$e !he +#+e %s !he s+e%" #s "( #2
Whe s+e%" h%s "e%che' !he !o+ of !he 7sh slo loe"#$ 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"
of !he sl#+s # !he#" "e!"%c!e' +os#0o2 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,
As % seco'%"y "ele%s#$ mech%#sm, le h%' #c-e"s %"e c(! o he f(ll c#"cle sl#+s %' !he l($s o !he#" )o'y %' !he -eys o !he s!o+ #ll fo"ce !he sl#+s !o "o!%!e #!h !he#" s+e%"2 Ae" )(m+#$ 'o !o )"e%- !he hol', com)#e' "#$h! h%' "o!%0o %' slo ele&%0o of !he 7sh#$ s0$ (sc"es !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"eraon
The !%+e" !o+ #s %ssem)le' !o !he )oom of !he 7sh#$ s!"#$2 I! #s !he "( # !he hole 0ll 7sh !o+ #s eco(!e"e'2 The 1(s! s(c#e! e#$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 Oce sec("e e$%$eme! of !he 7sh h%s )ee co7"me' PO 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' > +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 $(#'e c% )e %ssem)le' !o !he )oom of % !h"e%'e' s-#"!2 Whe !he hole s#6e #s cos#'e"%)ly l%"$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(!
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 $(#'e #! o!o !he T%+e" T%+2
Other misce!!aneous >shing too!s,
The Im"ression 1!oc#
Th#s !ool h%s % cle%", %!, le%'e f%ce2 Th#s #s!"(me! #s !he m#""o" of !he 'ohole co'#0os, %s #! c% #!h "e%so%)le %cc("%cyJ )"#$ !o s("f%ce !he #m+"ess#o of !he 7sh !o+2 I! #s #!h !h#s !ool !h%! $ee"%lly %y 7sh#$ 1o) s!%"!s o2
Construcon
I! h%s % !y+#c%l me!%l f"%me %' % !%#l +# fo" co(+l#$ #!h '"#ll +#+e fo" loe"#$2 O #!.s f"o! f%ce #! h%s % !h#c- co%! of smoo!hly se! le%'2
A""!icaon
I#0%lly I!.s loe"e' %s %ll o!he" 7sh#$ !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 $e! !he #m+"ess#o of !he 7sh !o+2 The #! #s #!h'"% c%"ef(lly2 I +"%c0ce hoe&e", o! oly #!.s f%ce )(! %lso #!.s s#'es !ell (s !he 'ohole s!o"y2 The "(Q#$ %' c("l#$ of !he le%' %! !he s#'es #'#c%!es (e&eess o" e&e '%m%$e # !he c%s#$ some0mes %s %s !he c%se # S%%' ell>2
Wire!ine s"ear
The W#"el#e S+e%" #s % s#m+le e%sy !o (se !ool 'es#$e' !o "e!"#e&e #"e l#e %' #"e "o+e f"om !he ell )o"e2
Construcon,
S+e%"s %"e cos!"(c!e' of h#$h *(%l#!y s!eel fo" s!"e$!h %' '("%)#l#!y2 The (++e" e' of !he !ool h%s % )o/ coec0o %' 7sh#$ ec-2 To !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""%0os o !he s+e%" sh%-, #s#'e !he coll%+s#)le )%") c%&#!y, f("!he" eh%ces !he %)#l#!y of !he W#"el#e S+e%" !o "e!%# #!s $"#+ o !he c%)le h#le !"#++#$ o(!2
O"eraon,
M%-e:(+ !he s+e%" !o !he )oom of !he s!"#$2 R( # !he hole2 U+o "e%ch#$ !he #"e !o )e "e!"#e&e', sloly loe" !he s+e%", %llo#$ !he s!eel )%")s !o e$%$e !he #"e2 I! m%y )e ecess%"y !o l# %' loe" 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
;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 sec0os of coll%+se' o" s+l#! +#+e %' !o el%"$e "es!"#c0os !h"o($h f"e!%#e"s, %'%+!e"s, e!c2A sm%lle" !%+e" m#ll #s (s(%lly "( 7"s!, folloe' )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!"#$s ,+%c-e"s sl#+s e!c2
Secon mi!!,
A"e (se' !o o+e % #'o # c%s#$ # +"e+%"%0o !o s#'e !"%c-#$ % 7sh, o" !hey c% )e mo'#7e' %' (se' !o c(! +#+e2
No!e !he WC o" T($s!e C%")#'e %)"%s#&e s("f%ces o 9MT = Co#c%l m#ll
REPAIR AN RE;EIAL TOOLS Casing scra""er
The C%s#$ 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 ec#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 'oe # !he 7el'2 Sec("e !he !ool )o'y2 Ise"! s+"#$s #!o !he )l%'e )o'y '"#&e2 Se! )l%'e o&e" )o'y s+l#es %! ce!e" of !ool, com+"ess )l%'e %' sl#'e #!o s+l#es2
Is!%ll "em%##$ )l%'es # !he s%me m%e"2 Ose! !he (++e" )l%'e se! f"om loe" se! )y oe 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#$, loe"e' #!o !he hole %! !he e' of '"#ll +#+e2 D"#ll#$ 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#$e' !o eec0&ely "emo&e fe""o(s +%"0cles, sh%&#$s %' 'e)"#s f"om !he )oom 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#!(%0o2 Gee"%lly, s(ch o)1ec!s %"e % "es(l! of )#! f%#l("e !h%! le%&e coes %' 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&e0o%l m%e"2 9#sh#$ m%$e!s s(ccessf(lly "emo&e !hese sm%ll o)1ec!s f"om !he hole )oom2 The !ool.s 'es#$ #co"+o"%!es $ee"o(s c#"c(l%0o holes !h%! %sh %%y !he c($s %' o!he" 'e)"#s !h%! o(l' o!he" #se +"e&e!s co!%c! #!h !he m%$e!2 9#sh#$ m%$e!s c% )e "( o e#!he" #"el#e o" +#+e2
Construcon, These m%$e0c !ools %"e cos!"(c!e' f"om s!eel s+ec#%lly selec!e' fo" #!s %)#l#!y !o "e!%# m%$e0c +"o+e"0es ('e" h%"sh 'o hole co'#0os2 The m%$e0c m%!e"#%l #s oe of !he mos! +oe"f(l +e"m%e!
m%$e!s # #'(s!"#%l (se2 W#!h +"o+e" (s%$e #! sho(l' e&e" lose #!s m%$e0c +"o+e"!y2
O"eraon,
No %ssem)ly #s "e*(#"e' o!he" !h% selec0$ !he 'es#"e' shoe %' #s!%ll#$ #! o !he loe" e' of !he m%$e0c %ssem)ly2 M%-e (+ !he m%$e0c %ssem)ly !o !he )oom 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($s2 Re'(ce c#"c loe" !he m%$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!aon '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 )oom of !he ell )o"e2 Th#s s(+e"#o" !ool "emo&es #!ems s(ch %s sl#+s, h%' !ools, coes %' %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
Construcon,
Th#s !ool h%s % !o+ s(), )%""el %ssem)ly, c%!che" %' shoe2 The )%""el %ssem)ly cos#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#$2
O"eraon,
M%-e (+ !he 1(- )%s-e! !o !he )oom of !he s!"#$ %' "( #!o !he hole2 Whe !he !ool #s %++"o/#m%!ely !e fee! f"om !he )oom 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 %' commece co"#$2 Com)#e' #!h
"e&e"se c#"c(l%0o !h#s es("es !h%! %y 1(- o !he )oom #s +(m+e' #!o !he )%""el %' c%($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"%0os2 I! #s 'es#$e' !o +"e&e! c($s !h%! %"e !oo he%&y !o )e c#"c(l%!e' f"om sel#$ !o !he )oom of !he hole2
Construcon,
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" eh%c#$ #!s s!"e$!h2
O"eraon,
Boo! )%s-e!s %"e (se' '#"ec!ly %)o&e !he m#ll o" '"#ll )#!2 O se&e"e m#ll#$ 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! oly #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#$, h%"' f%ce' +%'s, '"esses !o !he s%me O2D2 %s !he m#ll o" )#!, sho(l' )e (se'2
OWN6OLE PAC&ER AN CO;PLETION TOOLS
A)o(! com+le0o e*(#+me!s, e )e$# #!h !he 'esc"#+0o, mech%#sms, cl%ss#7c%0o %' %++l#c%0os of +%c-e"s2 These )e#$ of mo"e #!"#c%!e s!"(c!("e %""%! mo"e %e0o2
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(c0os 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#$h +"ess("e2 To #sol%!e %' co!"ol o f"om +%y 6oes2
I co1(c0o #!h % %"07c#%l l# sys!em2 To selec0&ely +"o'(ce f"om m(l0+le 6oes2
A''e' %'&%!%$e # #"el#e %' Dohole o+e"%0os2
T+"es o7 Pac#ers,
P%c-e"s c% )e of s#$le '(%l o" !"#+le )o"e, %' %"e m%#ly cl%ss#7e' %s se"&#ce +%c-e"s %' +"o'(c0o +%c-e"s2 9("!he", +"o'(c0o +%c-e"s %"e cl%ss#7e' %s "e!"#e&%)le %' +e"m%e! +%c-e"s2 Re!"#e&%)le +%c-e"s %s ell %s +e"m%e! +%c-e"s %"e s()cl%ss#7e' %s mech%#c%lly se! %' hy'"%(l#c%lly se!2
Ser@ice "ac#ers,
!he se"&#ce +%c-e" #s (se' fo" o%l #sol%0o # co1(c0o #!h +"ess("e +(m+#$ o+e"%0os2 The se"&#ce +%c-e" +"o&#'es )o!h % %(l%" se%l %' %
(#' +%!h%y f"om !he !()#$ !o )elo !he +%c-e", so !h%! !he 6oe )elo !he +%c-e" c% )e !"e%!e' h#le "em%##$ #sol%!e' f"om !he s("f%ce %' f"om !he 6oes %)o&e #! # !he ell )o"e2 Se"&#ce +%c-e"s %"e 'es#$e' !o "em%# # !he ell)o"e oly fo" % sho"! 0me !o com+le!e !he s0m(l%0o o+e"%0o2 Oce !he o+e"%0o #s com+le!e, !he se"&#ce +%c-e" #s "emo&e' f"om !he ell)o"e2
Hoe&e" !hese c% )e (se' %s +"o'(c0o +%c-e"s o % sho"! !e"m )%s#s, 'e+e'#$ o !he ell)o"e e&#"ome!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%0os, #cl('#$ s("f%ce #sol%0o, 6oe #sol%0o, l#e" !o+ seco'%"y ceme0$, sho"! %' lo$ !e"m %)%'ome!, c%s#$ +"ess("e !es0$, fo"m%0o f"%c!("#$ %' s()se*(e! +"o'(c0o !es0$2 Bec%(se "e!"#e&%)le !ools %"e le # !he ell)o"e oly fo" % sho"! 0me, !hey %"e o! s(sce+0)le !o !he co""os#&e eec!s of Hy'"o$e S(l+h#'e %' C%")o '#o/#'e, # mos! c%ses2 They c% hece )e (se' %$%#2
Pro(ucon Pac#ersF Re!"#e&%)le P%c-e"sF
They %"e "( %s % #!e$"%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%0o2
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
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 oce se! c% )e "e$%"'e' %s +%"! of !he c%s#$ %' c% oly )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#$h +"ess("e '#e"e0%l "e*(#"eme! Lo$ !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 )oom 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%! %llos !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 %llos (#' o f"om )o!h '#"ec0os, (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$2
FLOW CO8PLING AN 1LAST :OINTS,
These %"e !h#c- %lle' !()(l%" com+oe!s o"m%lly (0l#6e' # com+le0o %' loc%!e' %'1%ce! !o ch%$es # !he !()#$ ID o" %c"oss +e"fo"%0os2 9lo co(+l#$s %"e (se' he"e !(")(lece c%(se' )y ch%$es # !he ID #s loc%!e' # !he !h#c-e" %ll of !he o co(+l#$ "%!he" !h% )e#$ # !he +"o'(c0o !()#$2
9lo co(+l#$s %"e $ee"%lly coec0o OD %' %"e %&%#l%)le # @,, %' fee! le$!hs2 Bl%s! 1o#!s %"e cos!"(c!e' s#m#l%"ly #!h coec0o OD %' %"e %&%#l%)le # > o" ? fee! le$!hs2 The )l%s! 1o#! #s +l%ce' # !he !()#$ s!"#$ %'1%ce! !o +e"fo"%0os2 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 oe c%""#es %)"%s#&e sol#' +%"0cles2
LANING 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 %llos +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$(l%!e !he +"o'(c0o o "%!e2 The )oom o:$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' 'ohole2 The l%'#$ #++le +"o&#'es % s#$le (se2 P"ess("e %c!(%!e' sys!em fo" +"o&#'#$ % "el#%)le %' ecoom#c%l me!ho' of o+e#$ (+ comm(#c%0o )e!ee !he !()#$ %' %(l(s2
1RIGE PL8G,
The c%s! #"o )"#'$e +l($ #s % '"#ll%)le +l($ 'es#$e' fo" !em+o"%"y o" +e"m%e! 6o%l #sol%0o %' ell %)%'ome! o+e"%0os2 I! c% )e #"e: l#e o" mech%#c%lly se!2 I! #s e%s#ly co&e"!e' fo" ceme! "e!e0o2
EPANSION :OINTS,
These %"e 'es#$e' !o )e (se' # s#$le %' m(l0:s!"#$ com+le0os 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$!hs2
SAFET= :OINTS,
These %"e (se' )e!ee +%c-e"s # '(%l %' T"#+le com+le0os %' # selec0&e com+le0os (s#$ 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"$ecy "ele%se of !he !()#$ 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"$ecy "ele%se of !he !()#$ s!"#$2 I! (se' l%"$e s*(%"e le h%' !h"e%'s !o se+%"%!e !he (++e" %' loe" s()s #!h "#$h! h%' "o!%0o %)%'o#$ %y +"o'(c0o e*(#+me! )elo2
SE8ENCE OF EVENTS FOR SETTING ;EC6ANICALL= SET 1RIGE 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:!oe e/!"% +(ll !o s!"#$ !o se! )"#'$e +l($ sloly2
W%#0$ fo" % fe m#(!es2
A++ly !e:!oe lo%' o )"#'$e +l($ %' %#! f("!he" fo" 7&e m#(!es2
P#c- (+ s!"#$ e#$h! %' "o!%!e s!"#$ cloc-:#se !e !o 7ee "o('s2
P#c- (+ s!"#$ #ll )e fo(' !o $e! "ele%se' f"om )"#'$e +l($2
6=RA8LIC PAC&ER SETTING PROCE8RE,
T()#$ coec!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 $e!s she%"e' %! @ +s#2
Case stu(+ D2
I!!ustraon o7 a wor#o@er 'o) seuence, We!! Wa(uDH .w(e75
Rig ,9 car(we!!9/9 .wor# o@er rig5
<o)F: oe !"%sfe" %' co&e"s#o !o %!e" #1ec0o 1o) :D%y> #2e ?>>
D("#$ '%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! #$h! coe 4!()#$ 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'$e "( # o+e"%0o2 :@
D("#$ D%y0me, s%h"+ e'$e %s "( # %lo$ #!h K 'o()les, > s#$le2 Boom %s eco(!e"e' %! >@>m2 +(ll#$ o(! of ? 'o()les %'1(s0$ of sh%"+ e'$e %s 'oe2 A! >m s*(ee6e ceme0$ 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" 'oe2 Bl#' "%m of BOP !es!e' %! >+s#2 o-2 Well "e%'y fo" +e"fo"%0o2
:>
oe >>2:>@ %s +e"fo"%!e' #!h > s+m 4sho!s +e" me!"e5 $(2 Bell )oom, K 'o()les, %' > s#$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! #$h! #1ec0&#!y %s chec-e' %s > l+m %! >? +s#2 Y: m%s !"ee "emo&e', BOP #s!%lle'2 Bell )oom %s -e+! %! > m ell "e%'y fo" ROS 1o)2
:?
ROS4"es#'(%l o#l s%!("%0o5 1o) c%""#e' o(! )y s*(ee6#$ ? L of sol&e! %! >>-sc2 The )ell )oom %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!hyleeGlycolMooB(!ylE!he", Yylee %' '#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 ?>2M ;B ?2>M GL ?2M 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;
:RI TBG WITH BB, CHANGE OVER TO WATER, TEST CSG AND CHEAD 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
:RI TBG WITH BB AT ?KM2 ND BOP, NU YMT2 TEST RIG AT @?;SC :DISPLACE WELL 9LUID WITH WATER
:I9 WELL BECOMES ACTIVE AND PRODUCES OILGAS 9LOW IT ALTERNATIVEL THRU ANNULUS AND TBG TILL WELL GETS CLEANED AND STABILIED
:CO 9LOW STUDIES THRU SEP WITH ?@ DI99 BEANS TILL STAB 9LOW O9 OILGAS IS OBTAINED
:I9 WELL DOESN.T BECOME ACTIVE APPL COMP N? TO REDUCE 9LUID LVL2 ACT WELL AND CO RESERVOIR STUDIES
:I9 WELL STILL DOESN.T BECOME ACTIVE CO PLAIN ACIDMUDACDH9 <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 REGULARL2
:::::::::::::::::::::::::::::END O9 PLAN:::::::::::::::::::::::::
NOTEF ON >::>> ONE:> WAS SEALED WITH BRIDGE PLUG IN NIGHT SHI9T2 ON >K::>>, NEW ONE WAS PER9ORATED WITH > SPM GUN DURING DATIME2
COMPLETION TPEF: THIS WELL HAS SIMPLE BB WITH TUBINGS2
&LLD2
> GENERAL IN9ORMATION
;elly )(sh#$ K>2>?M G"o(' L&l 2M DRILLED DEPTH >M
? CASING POLIC
TPE SIE GRADE THIC;NESS DEPTH CEMENT RISE BH CSG 9ROM SUR9 4M5 CONDUCTOR < PP9 SUR9ACE PRODUCTION < >KPP9 OO:> >> 9LOAT COLLAR >?M @ C PLUGB PLUG
PRESENT PAONE4>@@:>@2M5 IN ;ALOL:@ PAONE PRESENT TBG SHOEBELL BOTTOM POP AT >@@M
PAC;ER TPE 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 PAONE IN THE INTERVAL >@@:>@2M IN ;:@ WAS PER9ORATEDJRI TBG WITH BB JAPPLIIED COMPRESSOR THRICE2>ST COMP APPLICATION ;SCJ OBSERVED 9LOW O9
WATER ONLJ?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 RR ::??2