Cuttings disposal system

Details Cuttings disposal system Cuttings disposal system

1993-03-26

1994-08-23

Neuder, William P.

Boring or penetrating the earth

Processes

Boring with specific fluid

175206, 175207, E21B 2106

Patent

active

053399129

ABSTRACT:
An injection adapter allows injection of oil base cuttings produced by an injection well into an annulus surrounding one of the strings of casing in the injection well. The injection well has inner and outer wellhead housings with at least one casing hanger installed in the inner wellhead housing. A port extends through the casing hanger to an annulus surrounding the casing. A closure sleeve will selectively close the port. An injection adapter removably lands in the bore of the casing hanger when the port is open. The injection adapter seals in the casing hanger and is connected to a pump at the surface for pumping the slurry into the annulus.

REFERENCES:
patent: 2919898 (1960-01-01), Marwil et al.
patent: 3766997 (1973-10-01), Heilhecker et al.
patent: 3774702 (1973-11-01), Elenburg
patent: 4222988 (1980-09-01), Barthel
patent: 4793423 (1988-12-01), Knol
patent: 4913245 (1990-04-01), Skinner
patent: 4942929 (1990-07-01), Malachosky et al.
patent: 5129469 (1992-07-01), Jackson

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