Apparatus and method for installing a conduit with an...

Details Apparatus and method for installing a conduit with an... Apparatus and method for installing a conduit with an...

E - Fixed Constructions

21

B

255/8, 61/5.1

E21B 7/04 (2006.01) E21B 7/06 (2006.01) E21B 7/20 (2006.01) E21B 7/28 (2006.01) E21B 10/00 (2006.01) E21B 19/22 (2006.01) E21B 17/042 (2006.01)

Patent

CA 1307519

Abstract of the Disclosure An apparatus and method for drilling and then in- stalling a production conduit (46) within an enlarged bore hole (D) along an underground path (P) between two surface locations (C, D). Upon completion of a pilot bore hole (B), a reamer (48) enlarges the bore hole (B). The drill string (10) is returned to the exit opening (E) for connection to the production conduit (46) for pulling the conduit (46) within the enlarged opening (D). One embodi- ment (Figures 19-21 utilizes canted rollers (168) for supporting the production conduit (46) at the exit opening (E) and effecting rotation thereof as the production conduit (46) is fed into the enlarged diameter opening (D).

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