E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/32
E21B 31/03 (2006.01) C09K 8/02 (2006.01)
Patent
CA 1261133
ABSTRACT OF THE DISCLOSURE A formulation suitable for preparation of a spotting pill effective in the release of stuck pipe in a borehole during a drilling operation which formulation contains a mono and/or poly alkylene glycol ether and viscosified sufficiently to make the formulation compatible with a solids weighting material such as barite.
506005
Fehler Daniel F.
Keener Ivian G.
Newlove John C.
Pober Kenneth W.
Portnoy Robert C.
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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