March 1998
Industry At A Glance
98-03_mwd-murphy_4.html (Mar-1998)
A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
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Fig. 4. The Early Formation Pressure System (EFPS) can be run in a wiper trip during drilling to perform a series of quick formation pressure tests similar to those run with a wireline formation tester. Conveyed by drill pipe, tool consists of two inflatable packers, a pump and high precision pressure gauges. Drill pipe pressure is used to inflate packers, and pipe reciprocation initiates pressure drawdown. |
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Copyright © 1999 World Oil
Copyright © 1999 Gulf Publishing Company
