Gravel pack assembly with tubing seal

Details Gravel pack assembly with tubing seal Gravel pack assembly with tubing seal

1993-03-26

1994-09-20

Dang, Hoang C.

Wells

Screens

166114, 166116, 166157, 166242, E21B 4308

Patent

active

053480929

ABSTRACT:
A sand control screen installation for a well includes an auger type sand control screen connected to a length of smooth-walled tubing which is disposed in a tubing seal support sub connected to a packer and having a frangible coupling interconnecting the tubing with the sub whereby the assembly may be pre-installed in a wellbore, the packer set and the tubing decoupled from the sub for reciprocation relative thereto while a fluid tight seal is maintained between portions of the wellbore to prevent underbalanced or overbalanced fluid flow during installation of the sand control screen. In an alternate embodiment, the tubing seal support sub has suitable lock mechanism for installation in a landing nipple in wells with pre-installed tubing strings and packers.

REFERENCES:
patent: 2138057 (1938-11-01), Armentrout et al.
patent: 2368428 (1945-01-01), Saurenman
patent: 2905248 (1959-09-01), Todt
patent: 2905249 (1959-09-01), Ownbey
patent: 3252515 (1966-05-01), Donaldson et al.
patent: 3710864 (1973-01-01), Mitchell
patent: 5036920 (1991-08-01), Cornette et al.
patent: 5145004 (1992-09-01), Cornette

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