Method for control of fluid loss and gas migration in well cemen

Details Method for control of fluid loss and gas migration in well cemen Method for control of fluid loss and gas migration in well cemen

1997-11-05

1999-11-23

Suchfield, George

Wells

Processes

Cementing, plugging or consolidating

106696, 106725, 106727, 106823, 166295, 524 3, 524 5, E21B 33138, E21B 3314

Patent

active

059882794

ABSTRACT:
This invention discloses a composition and a method of using the composition to cement a borehole penetrating a subsurface earth formation. The composition, the random polymerization product of two or three different vinyl-containing monomers including a vinylamide morpholine derivative, operates to reduce fluid loss from the cement slurry used to cement the borehole to the subsurface formation.

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The Relationship of Thickening Time, Gel Strength, and Compressive Strength of Oilwell Cements, Sabins Mar. 1986, p. 10.

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