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CHL No. 582 Well, Hill 4 - Santa Barbara


NO. 582 WELL, HILL 4 - This well, spudded September 26, 1905, and completed April 30, 1906, is the first oil well in which a water shutoff was attained by pumping cement through the tubing and back of the casing-forerunner of the modern cementing technique. It was drilled to a depth of 2,507 feet by Union Oil Company of California, 1,872 feet of 10-inch casing and 2,237 feet of 8-inch casing were so securely cemented off that the well produced for over forty-five years.


Mission Hills District, Plaque Is 1.6 Miles North of Union Oil Company Production Office (Off Rucker Road Five Miles Northeast of Lompoc)
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The facility is gated, but we followed a truck through the gates.

NO. 582 WELL, HILL 4, Front Gate