TEST YOUR KNOWLEDGE Answers on Page 30
Robert G. Font, CPG-03953
rgfont@cs.com
1. In general, a sinuous, long, narrow ridge of stratified glacial drift deposited in tunnels within the glacial ice or by flowing meltwater streams under the glaciers depict what we term:
a) A kame b) A drumlin c) An esker
2. This “sulfate” mineral is used in the manufacturing of rubber, paint, glass and in oil-well drilling fluids: a) Hematite b) c)
Sphalerite Barite
3. In our field studies we find fossil “placoderms.” What is the likely geologic age of the strata where these are found? a)
Ordovician
b) Devonian c)
Jurassic
4. The term “graded bedding” is generally used in reference to: a) A gradation in grain size from coarse below to fine above. b) A gradation in grain size from fine below to coarse above. c) A vertical or lateral variation in the lithologic makeup of contemporaneous sediments
5. A subsurface petroleum prospect has been mapped. The structural closure (expected to be hydrocarbon- bearing) covers three sections. The net effective pay is believed to be 15 feet on average. Core data reveals that the reservoir has a porosity of about 18% and a water saturation of 22%. To a first approximation and using the “volumetric method,” calculate the “oil in place” in the reservoir:
a) b) c)
19,735,560 barrels 31,369,628 barrels 45,373,901 barrels
d) Man, this is what engineers are for, to do this kind of stuff!
Outgoing President Foster Sawyer and Rachel wax nostalgic while enjoying the scenic vista overlooking Denali Park.
www.aipg.org
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