Downhole fixed choke for steam injection

Details Downhole fixed choke for steam injection Downhole fixed choke for steam injection

1987-07-01

1988-09-13

Massie, Jerome

Wells

Means for guiding insertable element laterally of well axis

166242, 166269, 166303, E21B 4324

Patent

active

047702443

ABSTRACT:
A downhole fixed choke mandrel apparatus for steam injection is described. The apparatus permits the dividing of the injection of a non-compressible fluid into two portions for injection into different producting zones separated by non-producing strata such that the quantity and quality of the injected material can be adequately derived and monitored. The apparatus further provides for the logging through the injection tubing string above and below the first injection into the first producing zone.

REFERENCES:
patent: 2973039 (1961-02-01), Payne, Jr.
patent: 3130784 (1964-04-01), Pennington II
patent: 3455382 (1969-07-01), Chenoweth
patent: 3802503 (1974-04-01), McGinn
patent: 4011906 (1977-03-01), Alexander et al.
patent: 4197909 (1980-04-01), Terral
patent: 4399865 (1983-08-01), Anderson et al.
patent: 4424859 (1984-01-01), Sims et al.
patent: 4541482 (1985-09-01), Johnston
patent: 4646828 (1987-03-01), Schwab, Jr. et al.

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