Study of Weightlessness and Air Cutting of Cement Slurry in Hihgly Derivated and Horizontal Well

doi:10.3863/j.issn.1000-2634.1996.02.05

西南石油大学学报(自然科学版) ›› 1996, Vol. 18 ›› Issue (2): 25-34.DOI: 10.3863/j.issn.1000-2634.1996.02.05

• 油气藏工程 • Previous Articles Next Articles

Study of Weightlessness and Air Cutting of Cement Slurry in Hihgly Derivated and Horizontal Well

Guo Xiao-yang¹Liu Chong-jian¹Xie ying-quan¹ Xu Shu-qian2Wang Jun²Su Hong-sheng²

(1.Southwest Petroleum Institute；2.Xinjiang Petroleum Administration)

Received:1996-04-01 Revised:1900-01-01 Online:1996-04-20 Published:1996-04-20

Abstract

Abstract:

Rules of weightlessness and air cutting in highly derivated and horizontal wells are not the same as in vertical wells, which lies in the effects of cement slurry filtration rate, hole derivation angle, well calibre and well structure, etc. Weightlessness and air cutting of zero-filtrateless cement slurry result from suspended agglomeration, but those of non-zero-filtrateless cement slurry are caused by free water groove formed on the upper wellface as well as suspended agglomeration. The study also shows that the filtration rate of cement slurry measured with API normal method is not reasonable and it must be measured with the measuring tube inclined 45℃.

Key words: Well cementing, Horizontal well, Cement slurry, Cement slurry gel, Gas cut, Low fluid loss

CLC Number:

TE256.5

Guo Xiao-yang Liu Chong-jian Xie ying-quan Xu Shu-qian Wang Jun Su Hong-sheng. Study of Weightlessness and Air Cutting of Cement Slurry in Hihgly Derivated and Horizontal Well[J]. 西南石油大学学报(自然科学版), 1996, 18(2): 25-34.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.3863/j.issn.1000-2634.1996.02.05

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y1996/V18/I2/25

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Study of Weightlessness and Air Cutting of Cement Slurry in Hihgly Derivated and Horizontal Well

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