Composition of matter useful for earthen formation treatment

Details Composition of matter useful for earthen formation treatment Composition of matter useful for earthen formation treatment

1976-04-15

1978-06-13

Welsh, M. J.

Wells

Receptacles

With separate air chamber having openable passage

166295, 260 296HN, 260 296M, 260 297H, 260 297M, C08L 3500

Patent

active

040941507

ABSTRACT:
A gel-forming composition of matter comprising an aqueous solution of a mixture of certain percentages of monomeric acrylamide and monomeric N,N' methylenebisacrylamide and a polymerization catalyst and containing certain percentages of an unfired natural diatomaceous earth having a certain particle size is used in treating earthen formations around the joints of sewer pipes, whereby fluid loss from the composition into the earthen formation is substantially reduced.

REFERENCES:
patent: 3056757 (1962-10-01), Rakowitz
patent: 3136360 (1964-06-01), Ramos et al.
patent: 3223163 (1965-12-01), Koch et al.
patent: 3373814 (1968-03-01), Eilers et al.

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