Use of mono- and polyalkylene glycol ethers as agents for...

E - Fixed Constructions – 21 – B

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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

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