Gravity tracks Prudhoe gas cap waterflood
Gravity meters coupled with precision GPS receivers measure minute gravity changes from waterflood in the Prudhoe gas cap
Petroleum engineers have been tracking the progress of the waterflood in the Prudhoe Bay gas cap under Alaska’s North Slope by measuring surface gravity changes that occur as water replaces gas in the reservoir more than 8,000 feet underground.
BP Exploration (Alaska) petroleum engineer Jerry Brady....
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Precision gravity meters
Baseline and repeat surveys
Calculating the density
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