Method for removing debris from a well-bore

Details Method for removing debris from a well-bore Method for removing debris from a well-bore

1997-03-17

2000-01-25

Neuder, William

Wells

Processes

Cleaning or unloading well

E21B 3700

Patent

active

060168722

ABSTRACT:
The present invention provides a method for cleaning debris from a well-bore and includes the steps of injecting hydrophilic fibers selected from the group consisting of polyolefins, polyesters and nylons, suspended or dispersed in a water based or oil based liquid into a well-bore and forcing the suspension upwards, through the length of the well-bore, to its open end. In particular, the suspension is directed through sections of the well-bore holding quantities of debris formed from the drilling operation. The suspension loosens the debris and sweeps substantial quantities of debris from the well-bore.

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