Forming an impermeable coating on a borehole wall

Details Forming an impermeable coating on a borehole wall Forming an impermeable coating on a borehole wall

1986-11-21

1988-11-15

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166288, 166293, 166295, 175 72, E21B 33138

Patent

active

047842237

ABSTRACT:
An impermeable and continuous coating is formed on the wall of a borehole in which a drill string is present by injecting coating forming components and a carrier fluid through the drill string. Subsequently the coating forming components are separated, e.g. in a decanting centrifuge, from the carrier fluid and plastered to the wellbore as a continuous layer.

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Hampel et al., Glossary of Chemical Terms, Second Edition, 1982, pp. 231, copy in 3-4E16.

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