1. The most important part of casing
hanger is…
2. How to get the value of reservoir
pressure?
DST (Drill stem test)
RFT (repeat Formation Test)
Well Test (Pressure Build-up and Drawdown
3. What is the use of rotary slip?
4. What are the rheology characteristics?
5. What is the function of work over?
Operations to make conditions of well production to be normal back or stable
6. What are the caused of SP readings?
SP readings are caused by the differences in
salinities between mud filtrate and formation waters in permeable beds
7. What is the correlation between salinity
of a fluid and resistivity?
Salinity of a fluid is inversely proportional to its resistivity.
8. What kind of tool that MWD’s method
use?
MWD method measures formation properties using special drill collar housing measuring device at the time formation being drilled
9. What is the function of pigging?
10.Thin laminated beds can be occurred
when…
The thickness of every lithology layers is less than the vertical resolution
11.A radioactivity log, which also known as
a radiation log or a nuclear log, normally consists of two recorded curves, which are…
12.What is datum pressure?
Datum Pressure is the bottom hole pressure corrected to a specific sea or subsea levels
13.What is the abbreviation of IADC?
14.What is WHA stands for?
15.What is the meaning of continuous
flow?
An interrupted flow of the well fluid resulting from aeration and expansive action of input gas
16.A well with neither damage nor
stimulation has a flow efficiency value that equals…
17.A type of LWD, where the tools are
encompassed in a single module in the steering tool of the drill string, at the
end of the drilling apparatus (or the bottom hole assembly) is…
18.What is the function of Wall Scratcher?
To clean up the mud cake that stuck in the borehole
19.A type of log that is used in well that do
not use mud or water, but oil-based drilling fluids or air is…
20.Modern resistivity logging tools falls into
two categories, which are…
21.What is velocity string?
Velocity string is a small-diameter tubing string that runs inside the production tubing of a well as a remedial treatment to resolve
22.Centrifugal pump can be used for…
Super charging pump, mixing pump, water cooling pump, and fluid mover for degasser, desander, desilter
23.What is the main function of hoisting
system?
To hold the drilling and production equipment during drilling process or maintenance at the surface
24.Where is crown block located?
25.A logging tool that measures resistivity
(Rt) and best suited tool for boreholes which contain salt water based mud is…
26.When Rmf = Rw, it indicates that the
porosity is…
27.Field calibration could be done by
using…
28.A tool which is best suited for borehole
that contain salt water based mud is…
29.Mention 3 size of drill pipe that usually
used in oil field
30.How many liner that Quintuplex pump
has?
31.What is micro annulus?
Micro annulus is the space between the outside of coiled tubing and the inside of conventional
32.What are methods that used to
calculate water saturation?
33.On what condition the pressure reached
the critical state?
When the downstream pressure is equal to the half of upstream pressure.
34.Mention 4 (four) methods of artificial
lift..
ESP, Beam Pumping, Gas Lift, and Hydraulic Pumping Unit
35.What is the meaning of intermittent
flow?
Head or slug type flow, which is accomplished primarily by displacement of fluid by
36.Acid movement in the porous media
depends on…
Acid concentration, mineral type of rock, and layer temperature
37.Mention 3 (three) functions of
wellhead…
To hold conductor / surface casing, to hang intermediate casing, and to place the BOP Stack
38.Which is older the heavy oil or the light
oil?
39.Mention 2 (two) types of X–mas tree…
40.What is the national oil company of
mexico?
41.Production packer for gas lift is used
for…
42.What is subsurface safety valve?
A safety device installed in the upper wellbore to provide emergency closure of the producing conduits in the event of an emergency
43.To drain the fluid to the surface, the
value of hydrostatic pressure must be. ….than the reservoir pressure.
(Complete the sentence!)
44.SP log, Gamma Ray log, and Microlog
are types of wireline logging that used to identify…
45.Why doesn’t Electric Submersible Pump
use packer?
46.A tool that is used to measure resistivity
by sending electric current directly to the formation is…
47.What is the name of the tool used to
control the well pressure?
48.The name of the tool used to know the
position and condition of the fish in the wellbore
49.What is the abbreviation of ECD?
50.A tool that is used to prove the existence of
hydrocarbon in the formation on reservoir capacity and its ability to produce fluid is…
51.What will happen to the well flowing
pressure if gas is injected to the well?
52.What type of Electric Submersible Pump
protector that is not allowed the formation water to enter the well?
53.The most common solid added to muds to
increase density is…
54.What is the name of thermodynamic
process in which the temperature is constant?
55. Give a scientific term: They are estimated volumes of
crude oil, condensate, natural gas, natural gas
liquids, and associated substances anticipated to be commercially recoverable from known accumulations from a given date forward, under existing economic conditions, by established operating practices, and
under current government regulations. Its estimations based on geologic and/or engineering data available at the time of estimate.
56.A part of petroleum science that
provides the technical basis for the recovery of petroleum fluids from
subsurface sedimentary-rock reservoirs is…
57.What is OWC (oil water contact)?
A surface separating the oil zone from the
underlying water zone. Below the OWC, oil is generally absent
58.It may be defined as the pressure
difference across a curved interface
between two immiscible fluids. What is it?
59.Mention 5 (five) function of mud…
To move up cutting,
cover the wellbore wall,
keep the formation pressure, logging media,
keep the drill string, corrosion prevention
60.At which temperature point does steam
begin to be cloudy and changed to be liquid phase?
61.The ratio of the density (mass of a unit
volume) of a substance to the density (mass of the same unit volume) of a reference substance is called...
62.There are 3 kinds of well stimulation,
which are?
Acidizing,
explosive fracturing, hydraulic fracturing
63.What is CBM stand for?
64.Conventional , air balance, mark II
unitorque and beam balance are types of...
65.High-pressure separator units handle
pressure of within range…
66.Clay swelling can be caused by…
67.What is the function of pump intake?
68.In fishing job, when a fish is difficult to
grip, what kind of pipe that we use?
69.A common type of acid employed on wells to
stimulate production, which are useful in
removing carbonate reservoirs, or limestone and dolomites, from the rock is…
70.Law, which applied in calculating and
predicting flow rates from the reservoir into the wellbore, is…
71.What are the 2 (two) most common
petroleum reservoir rocks?
Sandstones and carbonates (limestone and
72.A type of log that shows the permeability of the
rocks in the well by calculating the electrical
currents generated between the drilling fluids and formation water held in the pore spaces is...
73.What is the function of barite?
74.What is the used of packer fluid?
Packer fluid is used to reduce the pressure
differential between annulus and pipes or between zones, which is limited by packer
75.Mention 4 type of coupling thread for
casing released by API…
Round thread casing, buttress thread casing, extreme line casing,
76.Mention 3 cementing program
equipment used for 2 stage cementing?
Dual stage casing collar, metal petal basket,
77.Crown –O- matic break is used for...
Preventing travelling block hit the crown block
78.What is the different between igneous
rock and metamorphic rocks?
Igneous rocks have crystallized from a hot,
molten liquid (they are formed when a molten melt is cooled, there is two types of igneous rocks, which are plutonic and volcanic). While metamorphic rocks have been recrystallized from other rocks under high temperatures and pressures (they are any rocks that have been altered by high heat and pressure)
79.What is the function of bottom plug?
80.Mention 3 (three) types of rocks, which
can make up the earth’s crust?
81
This artificial system uses a helical screw rotar to formed a
82
An uncontrolled discharge of formation fluid out of the wellbore (Blowout)
83
This is the act of pulling the drill string out of hole or putting it in the hole. (Tripping)
84
Identify the type of well that is equipped with pressure
monitoring systems to determine the extent of propogation of the pressure transient from the producing wells into the reservoir
85
Which continent is currently the worlds largest petroleum consumer?
86
The US imports about 9 billion barrels of crude oil a year. Which country is leading supplier to the US? (Canada)
87
What is welded to the first string of casing in the well and attaches the bop stack to the well? (Casing Heading
88
7. How many times per year is SPE magazine The Way Ahead published? (3)
89
7. What is the API gravity of the benchmark crude West Texas Intermediate (39.6)
90
7. Containing 4% of world oil reserves and name this country covering 1/8 of the world
91
7. Name four mechanisms that cause a reservoir to produce in it's initial phase. ("Gas Cap
Drive, Solution Gas Drive, Gravity Drive, Water Drive “)
92
7. The measure of heat energy to raise the
temperature of 1 pound of water by 1 degree Fahrenheit is known as what? (BTU)
93
13. With untapped easy oil and proven oil reserves of 115 Billion bbl this country may become a top producer and exporter alongside Saudi Arabia. (Iraq)
94
13. "If an operator signs to pay an exact cost to a contractor, regardless of any possible new expenses, the transaction is known as what?“
95
13. According to the standard geologic time scale, what epoch are we currently in?“ (Halocene)
96
13. Name the term that is used to describe the gas accumulated on the surface of a material, such as the grain of a reservoir rock, or more particularly the organic particles in a shale reservoir.“ (Adsorbed Gas)
97
13. The chloride concentration in drilling fluids can be determined by titrating with what chemical solution? (Silver Nitrate Solution)
98
13. What are the units for the non-Darcy flow coefficient Beta that is used in Forcheimer's equation? (1/length)
19. What is the name for a cut off in time that has the effect of
100.Name the man who in 1940 drilled the first directional well? (Robert Richardson
101.Name the special tool used by the rig crew to prevent the drill
102. Hydrates are icelike structures made of what? (Gas and water)
103 "Refining of crude oil was initially focused on
forming this substance, used primarily in lamps.“
104
19. Name the second largest exporter of LNG.
105
19. During this process natural gas is condensed and cooled while harmful components such as dust, acid gas, helium, water, and heavy
106. This device is used to measure the viscosity of a fluid.
107 "In drilling, this is the term used to describe the height of a fluid column.“ (Hydrostatic Head)
108. This type of system is used to steer the drill bit while the pipe
109. This procedure enhances production removing near well formation damage and increasing the
110. In drilling fluids, this device is used to
separate components of a used drilling fluid to estimate the amount of fluid invasion from a reservoir.“ (Retort)
111.A porosity-resistivity crossplot is a convenient method for
deriving formation water resistivity. Name one of the two commonly used crossplots.
1) Hingle Plot
112.Name 2 principles through which heat can be transferred.
1) Conduction
2) Convection
113.A fluid flow process in which the saturation of the wetting
phase increases and the non wetting phase saturation decrease is defined?
114.Generally refers to any well that does not produce oil or gas
in commercial quantities
115.Geological term denoting a break in the subsurface strata.
116.Common term for wellbore.
Answer: hole
7.Platform on which the derrick hand works during the time the crew is making a trip
Answer: monkey board
8.Act of placing cement plugs in a hole to prevent unwanted vertical migration in an abandoned well.
Answer: plug and abandon
9.Drilling in which the hole size is smaller than the conventional hole diameter, enabling the operator to run smaller casing, thereby decreasing the cost of completion
Answer: Slim Hole Drilling
10. A centralizer installed in the drill string to center the string in the hole and to stiffen the string to resist bending and deviation.
Answer: STABILIZER
11. Drill pipe, casing, or tubing that cannot be worked in or out of the hole as desired. Answer: STUCK PIPE
12. Method of drilling in which the drill pipe is rotated to rotate a bit.
Answer: ROTARY DRILLING
13. Subsurface geological feature capable of acting as a reservoir for oil and/or gas.
Answer: STRUCTURE
14. Any geological structure which precludes the migration of oil and gas through subsurface rocks, causing the hydrocarbons to accumulate into pools.
Answer: TRAP
15. Recording information about subsurface geologic formations; methods include records kept by the driller, mud and cutting analysis, core analysis, drill stem tests, electric and radioactivity procedures.
Answer: WELL LOGGING
16. Organic chemical compounds of hydrogen and carbon whose densities, boiling points, and freezing points increase as their molecular weights increase. The molecular structure of the most common petroleum hydrocarbon compounds varies from the simplest - methane, a constituent of natural gas - to the very heavy and complex. Answer: HYDROCARBONS
17. Free gas, separate from, but overlying an oil zone that occurs within the same producing formation as oil. Since gas is lighter, it occupies the upper part of the reservoir.
Answer: GAS CAP
18. Clamp which grips a stand or column of casing, tubing, drill pipe, or sucker rods so that it can be raised or lowered into the hole.
Answer: ELEVATOR
19. Exploratory well which discovers a new oil/gas field (see WILDCAT).
Answer: DISCOVERY WELL
20. Mixture of pentanes and heavier hydrocarbons that may be contaminated with sulfur compounds and is recovered or recoverable form an underground reservoir. It is gaseous in its virgin state but is liquid under the conditions at which its volume is measured.
Answer: CONDENSATE
21. Cylindrical sample taken from a formation for the purpose of examination or analysis. Answer: CORE
22. When production is stopped from a well that is depleted and no longer capable of producing profitably. A wildcat well may also be abandoned after it has been determined that it will not produce.
Answer: ABANDON
23. Uncontrolled flow of gas, oil, or other well fluids from a well during drilling due to formation pressure exceeding the pressure exerted by the column of drilling mud. Answer: BLOWOUT
24. Arched stratified rock structure with layers dipping downward in opposite directions from the crest.
Answer: ANTICLINE
25. Impermeable rock overlying an oil or gas reservoir that tends to prevent migration of the reservoir fluids from the reservoir.
Answer: CAP ROCK
117.Platform on which the derrick hand works during the time
the crew is making a trip
118.Act of placing cement plugs in a hole to prevent unwanted
vertical migration in an abandoned well.
119.Drilling in which the hole size is smaller than the
conventional hole diameter, enabling the operator to run smaller casing, thereby decreasing the cost of completion
120.A centralizer installed in the drill string to center the string in
the hole and to stiffen the string to resist bending and deviation.
121.Drill pipe, casing, or tubing that cannot be worked in or out
122.Method of drilling in which the drill pipe is rotated to rotate a
bit.
123.Subsurface geological feature capable of acting as a
reservoir for oil and/or gas.
124.Any geological structure which precludes the migration of oil
and gas through subsurface rocks, causing the hydrocarbons to accumulate into pools.
125.Recording information about subsurface geologic formations;
methods include records kept by the driller, mud and cutting
analysis, core analysis, drill stem tests, electric and radioactivity procedures.
126.Organic chemical compounds of hydrogen and carbon whose
densities, boiling points, and freezing points increase as their molecular weights increase. The molecular structure of the most common petroleum hydrocarbon compounds varies from the
simplest - methane, a constituent of natural gas - to the very heavy and complex. Answer: HYDROCARBONS
127.Free gas, separate from, but overlying an oil zone that occurs
within the same producing formation as oil. Since gas is lighter, it occupies the upper part of the reservoir.
128.Clamp which grips a stand or column of casing, tubing, drill
pipe, or sucker rods so that it can be raised or lowered into the hole.
129.Exploratory well which discovers a new oil/gas field (see
WILDCAT).
130.Mixture of pentanes and heavier hydrocarbons that may be
contaminated with sulfur compounds and is recovered or
recoverable form an underground reservoir. It is gaseous in its virgin state but is liquid under the conditions at which its volume is measured.
