Method of flowing viscous hydrocarbons in a single well injectio

Details Method of flowing viscous hydrocarbons in a single well injectio Method of flowing viscous hydrocarbons in a single well injectio

1989-12-08

1992-06-23

Neuder, William P.

Wells

Processes

Separating material entering well

166272, 166303, E21B 4324, E21B 4340

Patent

active

051234858

ABSTRACT:
A method of heating produced fluid in a wellbore having multiple tubing strings. In the portion of the wellbore above the dual-string packer a portion of hot injection fluid is selectively flowed from the injection tubing string into the casing annulus where the production tubing is heated, and the flowing viscosity of fluids therein is lowered.

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patent: 3349846 (1967-10-01), Trantham et al.
patent: 4224993 (1980-09-01), Huckaby
patent: 4362213 (1982-12-01), Tabor
patent: 4407367 (1983-10-01), Kyold
patent: 4595057 (1986-06-01), Deming et al.
patent: 4601338 (1986-07-01), Prats et al.
patent: 4753293 (1988-06-01), Bohn

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