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Vol. 11, No. 7 Week of February 12, 2006
Providing coverage of Alaska and northern Canada's oil and gas industry


Gravity tracks Prudhoe gas cap waterflood

Gravity meters coupled with precision GPS receivers measure minute gravity changes from waterflood in the Prudhoe gas cap

Alan Bailey

Petroleum News

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....

    [additional news subjects in this story]

Precision gravity meters

GPS

Baseline and repeat surveys

Calculating the density


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