-lithology, fluid type and amount, pressure, porosity, rock structure - Answers Sound wave
transmission in rocks is affected by ____________
-resistivity, thermal conductivity, and mechanical strength
-lithology, fluid type and amount, pressure, porosity, rock structure
-lithology, fluid type and amount, pressure, porosity, resistivity
- volumetric and shape changes; shape change only - Answers Compressional wave is related to
__________ and shear wave is caused by ________________.
- volumetric and shape changes; shape change only
-volumetric change only; volumetric and shape changes
-volumetric and shape changes; volumetric change and rotation
-volumetric and shape changes; volumetric and shape changes
smaller - Answers Sound wave travels faster in rocks of ____________porosity.
- smaller
-higher
- these structures usually contain conductive fluids whereas dense rocks are resistive to electric
current - Answers In electrical imaging logs, electrical current is used to detect vugs, fractures, and
other small-scale structures because __________.
- these structures usually contain conductive fluids whereas dense rocks are resistive to electric
current
- these structures usually are very resistive to electric current
- these structures usually are very sensitive to stress
- smaller; water molecules are bounded to the grains and not easy to move - Answers The T2 time in
the NMR log is ________ in rocks conatining more clay because _________.
- smaller; water molecules are free to move
- smaller; water molecules are bounded to the grains and not easy to move
- higher; water molecules are free to move
- higher; water molecules are bounded to the grains and not easy to move
- solid matrix - Answers clay particle in rocks is part of the __________________.
- solid matrix
- pore fluid
- water that can potentially freely move like meteoric water but is trapped by surrounding rocks -
Answers Connate water is _________________________.
- water that cannot freely move , like interstitial water
- water that cannot freely move , like irreducible water
, - water that can freely move , like meteoric water
- water that can potentially freely move like meteoric water but is trapped by surrounding rocks
- the carbon number - Answers The state of hydrocarbon molecules in paraffins (i.e., gas, liqiud or
solid), is determined by ______________.
- the carbon number
- the amount og liquid vapor
- the amount of hydrogen sulfide
- lighter; heavier - Answers By definition, "heavy oil" is ________ than water and "extra heavy oil" is
_____________ than water.
- heavier; heavier
- lighter; heavier
- lighter; lighter
- heavier; lighter
- bulk rock mass gets more consolidated but the amount of solid mass does not change as the burial
depth increases. - Answers During the burial of sediments and sedimentary rocks, compaction occurs
in which __________
- bulk rock mass gets more consolidated but porosity does not change as the burial depth increases.
- bulk rock mass gets more consolidated and porosity increases as the burial depth increases.
- bulk rock mass gets more consolidated and the amount of solid mass increases as the burial depth
increases.
- bulk rock mass gets more consolidated but the amount of solid mass does not change as the burial
depth increases.
- its pore pressure is greather than the hydrostatic pressure at the same depth. - Answers A rock at a
depth is overpressured if ____________
- its pore pressure is greather than the effective pressure at the same depth.
- its effective pressure is greather than the hydrostatic pressure at the same depth.
- its effective pressure is greather than the pore pressure at the same depth.
- its pore pressure is greather than the hydrostatic pressure at the same depth.
- it thermal conductivity is smaller and it has more internal heat generation - Answers The
temperature of a sedimentary basin is higher if ___________.
- its thermal conductivity is higher
- it thermal conductivity is smaller and it has more internal heat generation
- water flow is more active
- it is closer to the surface
- a lot of low-porosity rocks with high quartz content. - Answers Heat is conducted more efficiently in
sedimentary rocks if they contain more _____.