Forming a coating on a borehole wall

Details Forming a coating on a borehole wall Forming a coating on a borehole wall

E - Fixed Constructions

21

B

166/16

E21B 33/138 (2006.01) E21B 7/20 (2006.01)

Patent

CA 1281996

A B S T R A C T FORMING A COATING ON A BOREHOLE WALL A coating is formed on the wall of a borehole by injecting a fluid containing coating forming components through a conduit to a location close to the borehole bottom whereupon the coating forming components are plastered to the borehole wall as a continuous coating. In accordance with the invention the conduit is formed by a drilling assembly which drills the hole simultaneously or alternately with placing the coating.

526353

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