Assignee

PETROLEUM PHYSICS CORP

1 granted patent·27 citations·filing 1981–1981

Technology mixE21B1 G01V1

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1 record

0158US4329647AMethod for determining distance and direction from an open well to a cased well using resistivity and directional survey dataPETROLEUM PHYSICS CORP·Filed 1981·Granted May 11, 1982·27 cites·18 claims

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