Gravel packing process

Details Gravel packing process Gravel packing process

1991-11-27

1993-02-09

Suchfield, George A.

Wells

Processes

Graveling or filter forming

166246, 166300, 252 8551, E21B 4304

Patent

active

051846799

ABSTRACT:
An improved gravel packing process is provided in which a gravel pack slurry is thickened with succinoglycan and the slurry further comprises an amount of breaker effective to result in 80 percent settlement of sand from the slurry after a time period larger than about one hour and shorter than about three hours.

REFERENCES:
patent: 4662447 (1987-05-01), Bolin
patent: 4754809 (1988-07-01), van Zanten et al.
patent: 4900457 (1990-02-01), Clarke-Sturman et al.
patent: 5054552 (1991-10-01), Hall et al.
"Succinoglycan," Oil Field Chemistry, A. J. Clarke-Sturman et al, 1989 American Chemical Society, pp. 158-168.
"Symposium on Advances in Oil Field Chemistry" presented before the Division of Petroleum Chemistry Inc., American Chemical Society Toronto Meeting Jun. 5-11, 1988, pp. 25-29.
"Influence of Anions on the Properties of Microbial Polysaccharides in Solution," International Journal of Biological Macromolecules, vol. 8, No. 6, Dec. 1986, pp. 355-360.
SPE 23109, "Development and Field Testing of a Novel Fracturing Fluid", D. R. Davies et al, pp. 105-116 (Sep. 1991).
SPE 22798, "The Use of Succinoglycan Biopolymer for Gravel Packing", G. P. Sanz et al, pp. 413-423 (Oct. 1991).

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