Q— Which of the following is true about the relationship between irreducible water saturation and grain size?
A high irreducible water saturation-small grain size
B-high irreducible water saturation large grain size
Math Apti Daily—https://t.me/GATEMATHSAPTI
A high irreducible water saturation-small grain size
B-high irreducible water saturation large grain size
Math Apti Daily—https://t.me/GATEMATHSAPTI
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Which of the following statement is true?
Anonymous Quiz
28%
a) Permeability increases with grain size
15%
b) Permeability increases as sorting becomes poorer
57%
c) Tight packing favours lesser permeability
Gas generation occurs when
Anonymous Quiz
39%
a) Level of organic maturation (LOM) is 7-13
61%
b) Level of organic maturation (LOM) is 13-18
The main purpose of preparing drilling mud during well control situations is to
Anonymous Quiz
13%
a) Remove the cuttings out of the well
77%
b) Provide sufficient hydrostatic pressure to control formation fluids
7%
c) Cool and lubricate the drill bit
3%
d) Form a low permeable mud cake
Large drill cuttings are an indications of
Anonymous Quiz
54%
a) High pressure formation
4%
b) Normal pressure formation
30%
c) Low pressure formation
12%
d) All of the above
All of the following are considered the causes of underpressured zones except:
Anonymous Quiz
28%
a) Thermal expansion
22%
b) Zone depletion
24%
c) Outcrop aquifer
26%
d) Rock compaction
Which of the following is not a type of fixed cutter bits
Anonymous Quiz
30%
a) Insert bit
13%
b) Diamond bit
15%
c) PDC bit
42%
d) Impregnated bit
Q- What is the primary function of the drill collars
a) Transmit the rotation to the drill bit
b) Provide the necessary weight on bit to drill the hole
c) Conduit for mud circulation
d) None of the above
a) Transmit the rotation to the drill bit
b) Provide the necessary weight on bit to drill the hole
c) Conduit for mud circulation
d) None of the above
If the required casing collapse pressure is 11,000 psi, what should be the design
collapse pressure?
collapse pressure?
Anonymous Quiz
25%
a) 10,000 psi
62%
b) 12,375 ps
13%
c) 11,000 psi
👍1
All of the following factors are affecting casing design except:
Anonymous Quiz
9%
a) Stress analysis
13%
b) Strength of casing seat
42%
c) Availability of casing
35%
d) Landing procedure
To abandon the well, cement should be set
Anonymous Quiz
24%
a) In the annulus between well and casing
38%
b) In certain cement plugs inside the casing
38%
c) Inside the casing from bottom to the top of the well
Q- Which of the following is the main advantage of weir plate used in horizontal
separator?
a) Interfacial (oil-water level) control is easier to operate
b) Relative retention times can be varied easily
c) The cleanest oil is taken off the top
d) All of the above
separator?
a) Interfacial (oil-water level) control is easier to operate
b) Relative retention times can be varied easily
c) The cleanest oil is taken off the top
d) All of the above
Q- Which of the following method is used for heavy crude oil and bitumen
transportation via pipeline?
a) Viscosity reduction method
b) In Situ upgrading method
c) Both (a) and (b)
transportation via pipeline?
a) Viscosity reduction method
b) In Situ upgrading method
c) Both (a) and (b)
________ are heavy and stiff steel tubular which are used at the bottom of a BHA
to provide weight on bit.
to provide weight on bit.
Anonymous Quiz
29%
a) Heavy weight drillpipes
11%
b) Stabilizers
4%
c) Jars
57%
d) Drill collars
The angle in the horizontal plane measured from a fixed reference direction is
called _______.
called _______.
Anonymous Quiz
69%
a) Azimuth
8%
b) Hold angle
22%
c) Well inclination
2%
d) None of the above
Key-seat Wiper can be run between the top drill collar and the bottom joint of
HDWP where there is a problem of _______.
HDWP where there is a problem of _______.
Anonymous Quiz
40%
a) Differential sticking
47%
b) Key seat
11%
c) Fluid loss
2%
d) None of the above
Q- Undersized tubing will result in:
a) Higher wellhead pressure than optimum
b) Higher bottom-hole pressure than optimum
c) Lower bottom-hole pressure than optimum
d) Need more information
a) Higher wellhead pressure than optimum
b) Higher bottom-hole pressure than optimum
c) Lower bottom-hole pressure than optimum
d) Need more information
What is the effect of increasing the bit cost on the cost per foot for a specific section
of the well?
a) It will decrease
b) It will not change
c) It will increase
d) It has no effect
of the well?
a) It will decrease
b) It will not change
c) It will increase
d) It has no effect