Sample Team Quiz

Which profile (A, B or C) is most appropriate for a gas coning application in a dirty sandstone with intermittent thin shale stringers? (Kv/Kh ratio = 0.1)




Which profile (A, B or C) is most appropriate for a water coning application in a dirty sandstone with intermittent thin shale stringers?  (Kv/Kh ratio = 0.1)




Which profile (A, B or C) is best for a clean, homogeneous reservoir with gas and water coning problems?  (Kv/Kh ratio = 0.8)




Which of the following should be first used to prioritize a list of potential fields for horizontal well development in an area with many candidate reservoirs?
(A)             Seismic.
(B)             Full Core/PVT Analysis.
(C)             Numerical Reservoir Simulator Models.
(D)             Analytical Reservoir Models.





True or False - Vertical permeability has no effect on horizontal well productivity.



The least effective means for defining and confirming the location of the target TVD interval is:

(A)             Pilot hole into target.
(B)             Offset well logs.
(C)             Logging-While-Drilling in lower curve and target entry.
(D)             Penetrating known marker beds located above target.





Increasing the length of the horizontal section of a new open-hole medium-radius well at 10,000 TVD from 1,000 to 4,000 ft typically:
(A)             Doubles the cost of drilling the well.
(B)             Increases the drilling cost by 10 to 30%.
(C)             Increases the drilling cost by 60 to 75%.
(D)             Has no effect on drilling costs.





True or False - Based on hole inclination, the most difficult region of hole to clean is from 65 to 90.



Which of the following should be the last element finalized on a horizontal well design?
(A)       Well placement above the oil/water contact.
(B)       Completion type.
(C)       Artificial lifts type and placement.
(D)       Build radius and drilling tool selection.





Which one of the following elements should be specified first in planning a well?
(A)       Casing requirements.
(B)       Bit selection.
(C)       Measurement-While-Drilling (MWD)/motor requirements.
(D)       Artificial lift type and placement.