Drilling Technology Mid - I, September - 2014

1.With increased well planning effort, the overall well costs:
  • increases
  • decreases
  • first decreases and then increases
  • no change
Answer: B
2.The type of well for which only seismic and satellite survey data are only available without any drilling data
  • Wildcat
  • Exploratory
  • Infill
  • Step-out
Answer: B
3.The Mud Pumps or Slush Pumps are normally:
  • Positive displacement reciprocating type
  • Centrifugal type
  • Screw Pumps
  • Gear Type
Answer: A
4.The Kelly hose is connected to the swivel via:
  • Gooseneck
  • Washpipe
  • Kelly
  • Rotary Table
Answer: A
5.The most versatile type of drilling bit is the:
  • Diamond type
  • Fish Tail Bit
  • Tricone Roller Bit
  • PDC Bit
Answer: C
6.The Filtration Rate of a water base drilling fluid is determined using the
  • Marsh Funnel Viscometer
  • Fann VG Viscometer
  • pH meter
  • API Filter Press
Answer: D
7.The addition of polymers increases which of the following mud properties?
  • Viscosity
  • Mud Weight
  • Filtration rate
  • Salinity
Answer: A
8.The weight of a joint of casing without the threads and couplings is termed as:
  • nominal weight
  • plain end weight
  • Threaded and Coupled weight
  • All options
Answer: B
9.The principal compound of cement is
  • Tricalcium Silicate
  • Calcium Carbonate
  • SodiumChloride
  • Potassium Chloride
Answer: A
10.The chemical added to reduce the setting time of cement slurry is called:
  • Spacers
  • Retarders
  • Spacers
  • Accelerators
Answer: D
11.The pressure (in psi) exerted by a drilling fluid of mud weight 8.9 ppg at a depth of 2000 feet is ____________________.
Answer: 925.6 psi
12.The triplex type pumps are ____________________ acting.
Answer: Single
13.The fastline is connected to a rotating system called the ____________________.
Answer: Drawworks
14.If the number of travelling lines is 8 and the velocity of the hook is 2 feet/min. The velocity of the fastline is ____________________.
Answer: 16 feet/min
15.If during a blowout there is not enough time to pull out the entire length of drill pipe we employ the ____________________ ram in the BOP.
Answer: Shear
16.Which type of mud is more expensive: oil based mud or water based mud? ____________________.
Answer: Oil Based Mud
17.The presence of hydrogen sulfide in the drilling mud corrodes the casing and tubulars – True or False? ____________________
Answer: TRUE
18.The gas used in a surge chamber to dampen pressure fluctuation is normally ____________________
Answer: Nitrogen
19.Drag Type bits with steel cutters perform best in (soft gummy/ hard consolidated) ____________________ formations.
Answer: Soft gummy
20.In the drilling industry bit-balling is a serious problem, ____________________ is mixed with the drilling fluid in order to properly clean the bit.
Answer: Indetergent