E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
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E21B 43/22 (2006.01) C09K 8/42 (2006.01) C09K 8/60 (2006.01) E21B 33/16 (2006.01)
Patent
CA 1280587
3395P/1126A K-2085 TITLE OF THE INVENTION SPACER FLUID ABSTRACT OF THE INVENTION A spacer fluid for use in oil well drilling applications is disclosed. The fluid is prepared from a slurry comprising 25-60% heteropolysaccharide S-130, 0.5-6% organophilic clay, 30-70% solvent, up to 10% surfactant, and up to 6% methanol or isopropanol.
534827
Grebe Ernest L.
Seheult James M.
Goudreau Gage Dubuc
Monsanto Company
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