Wells – Processes – With indicating – testing – measuring or locating
Patent
1982-08-31
1984-07-17
Purser, Ernest R.
Wells
Processes
With indicating, testing, measuring or locating
166263, 166272, 166 50, 166191, E21B 3600, E21B 4324
Patent
active
044600445
ABSTRACT:
A method is disclosed for producing viscous petroleum from subsurface deposits. The method employs a vertical well and a horizontal well through the petroleum deposit. A combination of injection procedures through the horizontal and vertical well heat the viscous petroleum in the annulus around the horizontal well. Successive completion intervals are installed in the horizontal well to produce the heated petroleum. The petroleum is driven by a drive fluid passing through previously produced intervals.
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patent: 3994340 (1976-11-01), Anderson et al.
patent: 4026359 (1977-05-01), Closmann
patent: 4133384 (1979-01-01), Allen et al.
patent: 4344485 (1982-08-01), Butler
patent: 4368781 (1983-01-01), Anderson
Chevron Research Company
Del Signore Mark J.
Gruber L. S.
Keeling Edward J.
Purser Ernest R.
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