Cementing systems for oil wells

Details Cementing systems for oil wells Cementing systems for oil wells

1992-08-19

1994-09-20

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166285, 73151, E21B 3314, E21B 4706

Patent

active

053480937

ABSTRACT:
A process for determining suitable parameters of temperature and/or pressure to use in a cementing operation in a wellbore to obtain a positive seal of cement in an annulus between a liner and a borehole wall after the cement has set up and where the process utilizes the parameters of differential temperature in a well bore, pressure on the cement to obtain a positive borehole wall stress (and positive seal) in a cementing operation.

REFERENCES:
patent: 3420299 (1969-01-01), Cloud
patent: 4376463 (1983-03-01), Pattillo et al.
patent: 4440226 (1984-04-01), Suman, Jr.
patent: 4655286 (1987-04-01), Wood

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