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Spacer fluids
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Patent number 5,113,943
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Issue date May 19, 1992
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Atlantic Richfield Company
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William N. Wilson
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Cementing oil and gas wells
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Patent number 5,076,852
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Issue date Dec 31, 1991
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Atlantic Richfield Company
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James B. Bloys
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Cementing oil and gas wells
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Patent number 5,038,863
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Issue date Aug 13, 1991
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Altantic Richfield Company
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James B. Bloys
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Spacer fluids
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Patent number 5,030,366
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Issue date Jul 9, 1991
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Atlantic Richfield Company
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William N. Wilson
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Accelerating set of retarded cement
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Patent number 5,005,646
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Issue date Apr 9, 1991
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Atlantic Richfield Company
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J. Benjamin Bloys
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Accelerating set of retarded cement
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Patent number 4,953,620
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Issue date Sep 4, 1990
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Atlantic Richfield Company
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J. Benjamin Bloys
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Well cementing in permafrost
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Patent number 4,216,022
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Issue date Aug 5, 1980
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Atlantic Richfield Company
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William N. Wilson
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Well cementing in permafrost
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Patent number 4,181,533
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Issue date Jan 1, 1980
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Atlantic Richfield Company
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William N. Wilson
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Well cementing in permafrost
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Patent number 4,176,720
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Issue date Dec 4, 1979
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Atlantic Richfield Company
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William N. Wilson
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES