Top entry sub arrangement

Details Top entry sub arrangement Top entry sub arrangement

2007-03-13

2007-03-13

Dang, Hoang (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S077100, C166S077200, C166S117500, C166S379000, C166S384000

Reissue Patent

active

10300451

ABSTRACT:
A top entry sub (ES) includes a tubular member (TM) with a main body section (8) and an enlarged external diameter upper end portion (11). A single passage (15) extends through the main body section (8) and terminates in a pair of spaced passages (14) and (14a) that extend through the enlarged external diameter end portion (11), which passages terminate in a common upper surface on the top entry sub (ES) for receiving a well string and providing an entry into the top entry sub for members such as coiled tubing, snubbing members and cable.

REFERENCES:
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Boyd's Wireline Side Entry Sub shop drawings (ca. 1985).
Boyd's Side Entry Flyout or Short Boy shop drawings (ca. 1990).
Boyd's Wireline Side Entry Sub literature (ca. 1989).

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