Annular fluids and method of emplacing the same

Details Annular fluids and method of emplacing the same Annular fluids and method of emplacing the same

2010-10-12

2011-12-06

Jiang, Shaojia Anna (Department: 1623)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S214000, C507S266000, C507S269000, C507S112000, C536S056000, C536S058000

Reexamination Certificate

active

08071512

ABSTRACT:
An annular fluid or packer fluid, and methods of making the same, that includes a water-miscible solvent, a viscosifying additive, a crosslinking agent, a crosslinking inhibitor having the facility to inhibit crosslinking between the viscosifying additive and the crosslinking agent, and an initiating agent having the facility to overcome an action of the crosslinking inhibitor and to initiate crosslinking between the viscosifying additive and the crosslinking agent, is shown and described. The fluid has a thermal conductivity of no more than about 0.25 btu/(hr·ft·° F.) and a potential to substantially increase its viscosity upon sitting for a selected period of time.

REFERENCES:
patent: 6342467 (2002-01-01), Chang et al.
patent: 6632779 (2003-10-01), Vollmer et al.
patent: 7829509 (2010-11-01), Jones et al.
patent: 2004/0011990 (2004-01-01), Dunaway et al.
Office Action issued in corresponding Norwegian Application No. 20053771 dated Feb. 9, 2011 (2 pages).

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