E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/08 (2006.01)
Patent
CA 2513166
A method of monitoring gas influx into a well bore when drilling an oil and gas well. A first step involves positioning a pressure sensor in a well bore at a lower end of a well casing string. A second step involves connecting the pressure sensor to a pressure reader and monitoring the pressure reader for pressure changes indicative of gas influx.
Shah Javed
Woodruff Nathan V.
LandOfFree
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