Professional Engineering Exam - Petroleum Engineering Questions and Correct Answers the Latest Update
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Module
Professional Engineering
Institution
Professional Engineering
Causes for INCREASE in Pore Pressure
1). Undercompaction by rapid burial of low-perm sediments
2). lateral compression
3). Water release from clay minerals from heating & compression
4). Expansion of fluids from heating
5). Fluid density contrasts
6). Buoyancy effects
7). Fluid inject...
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Where are drilling mud samples typically taken?
✓ Suction pit and Possum Belly
✓
✓ - A possum belly is a metal container at the head of the shale shaker; its purpose is to
slow the flow of drilling fluid so it does not shoot out of the shale shakers; generally used
when bentonite or another form of "mud" is being used
✓
✓ - a mud tank connected to the intake of the main rig pumping system; last mud tank in the
surface mud system before mud is pumped into the well
Where are mud temperatures typically monitored?
✓ Suction pit and Mud Return Lines
What are the most common sources of drilling mud contamination?
✓ Pipe scale, pipe dope, and air entering the drill string at connections
During drilling operations, where are gas samples typically taken?
✓ At the "gas trap" or gas extractor
✓
✓ - the gas extractor is part of the mud conditioning system
What is underbalanced drilling?
✓ Drilling with the well's bottom hole pressure intentionally lower than formation pressures
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