Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1980-05-16
1982-08-24
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285138, 285149, 285249, 285297, F16L 3902
Patent
active
043457843
ABSTRACT:
A connector assembly (30) attaches a length of flexible well production tubing (22) to a submersible pump (20). The connector assembly (30) includes a tubular housing (38) having a threaded end portion (40) defining a pin for engaging the threaded bore of the pump housing (20). A bore (46) extends axially through the connector housing for receiving an end portion of the flexible well tubing, and a counterbore (48) extends axially through the pin (40) defining a sealing chamber. Flexible strands (36) of the flexible production tubing (22) are wound about a binding element (50) which is lodged within the sealing chamber. A plug assembly (52) applies a compressive force against the binding element and against the flexible strands, thereby establishing a mechanical interconnection tie point between the flexible tubing and the connector housing. A quantity of viscous sealing material (67) is injected into the sealing chamber under pressure. The outer sidewall covering (34) of the flexible production tubing is anchored to the connector housing by a tubular, ribbed compression core (88) and a tubular wedge (90) having a tapered bore.
REFERENCES:
patent: 3503635 (1970-03-01), Cheatwood et al.
patent: 3833754 (1974-09-01), Philibert
patent: 3874064 (1975-04-01), Chevalier
patent: 3957293 (1976-05-01), Rodgers
patent: 4123088 (1978-10-01), Tanaka
Callaghan Thomas F.
Griggs Dennis T.
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