Theoretical and Experimental Study of Well Cementing

doi:10.3863/j.issn.1000-2634.1994.04.006

西南石油大学学报(自然科学版) ›› 1994, Vol. 16 ›› Issue (4): 33-39.DOI: 10.3863/j.issn.1000-2634.1994.04.006

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Theoretical and Experimental Study of Well Cementing

Zheng Yong-gang Hao Jun-fang

Dept.of Oil Exloitation

Received:1993-06-04 Revised:1900-01-01 Online:1994-11-20 Published:1994-11-20

Abstract

Abstract: This paper studies the displacement theory of laminar and turbulent cementing and the action mechanics of turbulent spacer in detail,and presents the mathematical models of laminar and turbulent cementing displacements in vertical,deviated and horizontal wells.By solving the turbulence diffusion equations in annulus, the paper obtains the formulas of calculating the minimum volume of the spacer and the minimum turbulent contacting time, and examines the partial theoretical formulas by using experimental data and those from other papers.It has been shown that the relative error is about 10℅.

Key words: Cementing, Spaeer, Turbulenee, Diffusion

CLC Number:

TE 256•
5

Zheng Yong-gang Hao Jun-fang. Theoretical and Experimental Study of Well Cementing[J]. 西南石油大学学报(自然科学版), 1994, 16(4): 33-39.

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Theoretical and Experimental Study of Well Cementing

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