Wells – Processes – Producing the well
Patent
1983-02-23
1984-11-06
Novosad, Stephen J.
Wells
Processes
Producing the well
166375, 166102, 166322, E21B 4314
Patent
active
044806973
ABSTRACT:
The present invention relates to a method of and apparatus for converting an oil well with natural effluent rise to one with gas-lift of the effluent column, wherein the oil well has a nipple in the production tube provided with a stop-groove and smooth bearing surfaces between which a hydraulic control line comes out. For conversion an inner tube is lowered inside the production tube, the inner tube being provided with a locking system for locking the inner tube to the nipple, and with a safety valve assembly capable of closing both the passage inside the inner tube and the annular passage between the latter and the production tube, under the action of a control fluid supplied by the control line which opens between two seals on the inner tube and which bear against the smooth bearing surfaces when locking is effected.
In use, lift-gas is supplied to the annular passage between the inner tube and the production tube, and enters the inner tube, through which the effluent rises, through a gas lift valve provided in the inner tube below the safety valve assembly.
REFERENCES:
patent: 3642070 (1972-02-01), Taylor et al.
patent: 3844352 (1974-10-01), Garrett
patent: 3937280 (1976-02-01), Pinning
patent: 4407363 (1983-10-01), Akkerman
Gallois Daniel
Glotin Bernard J. P.
Goldaniga Rene F.
Walter Geard Walter G. W.
Compagnie Francaise des Petroles
Neuder William P.
Novosad Stephen J.
Slumberger Technology Corporation
LandOfFree
Method and apparatus for converting an oil well to a well with e does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for converting an oil well to a well with e, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for converting an oil well to a well with e will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1038487