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Primary Examiner: Purser, Ernest R.
Assistant Examiner: Ebel, Jack E.
Attorney: Weaver; Thomas R., Tregoning; John H.

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Title: Method for cementing wells in low temperature formations

Abstract: The present invention relates to a composition and method for cementing pipe and casing in wells in low temperature earth formations and relates more particularly to the cementing of casing oil and gas wells drilled through permafrost formations.


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Inventors: Shryock, Stanley H. (Brea, CA, US)
George, Charles R. (Duncan, OK, US)
Cunningham, Willis C. (Duncan, OK, US)

Application Number: 561570
Filing Date: 1975-03-24
Publication_date: 1976-02-10
Assignee: Halliburton Company (Duncan, OK)
Primary Class(es): 166/293 106/719, 106/811, 166/901, 524/4
Other Classes:
US Patent Ref:
2292616Aug, 1942Dailey166/293.
2607427Aug, 1952Bond et al.166/293.
2672424Mar, 1954Avery106/90.
2690975Oct, 1954Scripture106/315.
2798003Jul, 1957Morgan et al.106/90.
2840483Jun, 1958Morgan et al.166/293.
3179528Apr, 1965Holmgren et al.166/DIG.
3582376Jul, 1971Ames106/315.

Other Refs: Other References: "Gypsum Blend Cements Show Promise for North Slope Use," The Oil & Gas Journal, May 19, 1969, p. 58.