Extending the lateral portion of a short-radius wellbore

Details Extending the lateral portion of a short-radius wellbore Extending the lateral portion of a short-radius wellbore

1992-08-07

1994-08-16

Melius, Terry Lee

Boring or penetrating the earth

Processes

Boring horizontal bores

175 73, E21B 708

Patent

active

053378393

ABSTRACT:
Conventional drill pipe is rotated at a rate sufficient for distributing deforming forces substantially uniformly around the circumference of the drill pipe at each location along the length of the drill pipe disposed within the curved portion while the pipe is passed through the curved portion of a short-radius wellbore. The drill pipe arrives in the lateral portion in operable condition for drilling to extend the lateral portion and is retrieved from the wellbore in reusable condition.

REFERENCES:
patent: 4601353 (1986-07-01), Schuh et al.
patent: 4762186 (1988-08-01), Dech et al.
patent: 5165491 (1992-11-01), Wilson

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