Petroleum Exploration Methods Mid - I, September - 2014

1.Index fossil should be
  • Abundant
  • Geographycilly widespread
  • Independent of their environment
  • All of the above
Answer: D
2.Micro-seepages are recognized by the presence of anomalous concentrations of the
  • Light hydrocarbons
  • Hydrocarbon-oxidizing microbes
  • Volatile or semi-volatile high-molecular-weight hydrocarbons
  • All of the above
Answer: D
3.The __________ rock must be porous & permeable
  • Cap rock
  • Reservoir rock
  • Source rock
  • None of the above
Answer: B
4.“Pinch Out” “Facies Changes” etc. -What type of Trap?
  • Structural
  • Stratigraphic
  • Both A & B
  • None of A & B
Answer: C
5.In the northern hemisphere the magnetic field generally dips downward towards the
  • North
  • South
  • East
  • West
Answer: A
6.Maps composed of lines connecting points of equal bed thickness is known as
  • Time-structure map
  • Contour map
  • Isobath map
  • Isopachous map
Answer: D
7.Diurnal Variation Correction-This is associated with
  • Gravity Survey
  • Electrical Survey
  • Magnetic Survey
  • All of the above
Answer: C
8.The full form of NELP in India is
  • New Exploration Licensing Policy
  • National Exploration Licensing Policy
  • National Exploration Lease Policy
  • None of the above
Answer: A
9.Formation is a
  • Chronostratigraphic unit
  • Biostratigraphic unit
  • Lithostratigraphic unit
  • None of the above
Answer: C
10.Vuggy limestone, fractured granite etc. are example of
  • Primary porosity
  • Secondary porosity
  • Both (A) and (B)
  • None of (A) and (B)
Answer: B
11.A freely-suspended bar magnet similarly aligns in the flux of the Earth’ ____________________ field.
Answer: magnetic
12.The C.G.S unit of magnetic field strength is the ____________________.
Answer: gauss
13.Maps composed of lines connecting points of equal elevation above or below datum is known as____________________.
Answer: structural contour map
14.Oil & gas exploration is a high ____________________ and high return business.
Answer: risk
15.Petroleum is also known as____________________ oil or mineral oil.
Answer: rock
16.Bed is a ____________________ unit.
Answer: lithostratigraphic
17.____________________ seeps gave the first clues to most oil-producing regions in the world.
Answer: Oil and gas
18.The line of zero inclination approximates the geographic equator, and is known as the ____________________.
Answer: magnetic equator
19.Seepage, when it is only detectable analytically is known as ____________________.
Answer: micro‐seepage
20.The organic rich ____________________ are act as source rock for petroleum.
Answer: The shale