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Well cement compositions having improved properties and methods 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C04B-009/12
  • C04B-007/00
  • C04B-040/00
출원번호 US-0779673 (1991-10-21)
발명자 / 주소
  • Olaussen Stein (Hafrsfjord NOX) Bjordal Audun (Esbjerg NOX) Solland Geir (Sandnes NOX)
출원인 / 주소
  • Halliburton Company (Duncan OK 02)
인용정보 피인용 횟수 : 68  인용 특허 : 0

초록

Cement compositions which have improved properties such as increased stability, reduced settling tendencies, enhanced fluid loss properties and the like and methods of using such cement compositions are provided. The cement compositions are comprised of water, hydraulic cement and an aqueous colloid

대표청구항

An improved well cement composition comprising water in an amount sufficient to form a pumpable slurry, hydraulic cement and an aqueous colloidal silicic acid suspension wherein the colloidal silicic acid particles in the suspension have a specific surface area in the range of from about 50 m2/g to

이 특허를 인용한 특허 (68)

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