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- Question 1 of 19
The function f(x) = 1/(1+|x|) isCorrectIncorrect
- Question 2 of 19
Which of the following is preferred fast neutron source in neutron logging?CorrectIncorrect
- Question 3 of 19
Identify the logging device that is based on the concept of longitudinal and transverse relaxation times.CorrectIncorrect
- Question 4 of 19
The three main stages of evolution of organic matter in sediments are Catagenesis (C), Diagenesis (D) and Metagenesis (M). Their chronological order isCorrectIncorrect
- Question 5 of 19
For a kick off operation, a directional well has to be drilled for an arc-length of 2500 ft to achieve an inclination of 50°. The radius of curvature will be ______ ft.CorrectIncorrect
- Question 6 of 19
Which of the following is the MOST COMMON cause for a fishing job?CorrectIncorrect
- Question 7 of 19
A core, with a length of 10 cm, breadth of 4 cm and width of 4 cm, weighs 282.4 g in its dry form. The core is then saturated 100% with brine of density 1.1 g/cm3. The brine saturated core weighs 300 g. The porosity of this core sample isCorrectIncorrect
- Question 8 of 19
A hydraulic line of a subsurface safety valve has a fluid of specific gravity 1.2 to operate the valve. The valve closing pressure is 1,200 psia and the recommended safety margin is 200 psia. The maximum depth at which the valve can be positioned is____________ ft.CorrectIncorrect
- Question 9 of 19
A sucker rod pump unit is designated by C-228D-200-74. Here, ‘D’ representsCorrectIncorrect
- Question 10 of 19
The three translational motions for a floating vessel areCorrectIncorrect
- Question 11 of 19
Jack-up rigs are typically used for off-shore drilling when the water depth is in the rangeCorrectIncorrect
- Question 12 of 19
Interference tests can be used for
I. determining communication between two or more wells.
II. mature oil wells having skin damage.
III. determining permeability in tested wells.
IV. providing inputs for secondary and tertiary oil recovery methodsCorrectIncorrect
- Question 13 of 19
For an effective hydraulically-fractured well, the skin factor would GENERALLY beCorrectIncorrect
- Question 14 of 19
The maximum discharge limit of oil and grease in a marine coastal area as per Environmental (protection) Rules, 1986 in India isCorrectIncorrect
- Question 15 of 19
Which of the following gases is NOT responsible for global warming?CorrectIncorrect
- Question 16 of 19
In an oil reservoir flooded with water, the volumetric sweep efficiency is 70%. The connate water saturation in the reservoir is 0.4 and the residual oil saturation for the water flood is 0.3. The overall efficiency of the reservoir is ____________ %.CorrectIncorrect
- Question 17 of 19
Identify the pair of CORRECT statements for surfactant-micellar-polymer flooding.
I. It reduces interfacial tension between crude oil and water.
II. It influences mobility ratio unfavorably.
III. It improves microscopic displacement efficiency.
IV. It increases isothermal compressibility of the crude oil.CorrectIncorrect
- Question 18 of 19
Gas hydrate forms atCorrectIncorrect
- Question 19 of 19
Production of coal bed methane (CBM) is based onCorrectIncorrect