Method for controlling sand in thermal recovery of oil from tar

Details Method for controlling sand in thermal recovery of oil from tar Method for controlling sand in thermal recovery of oil from tar

1977-10-14

1978-09-19

Novosad, Stephen J.

Wells

Processes

Providing porous mass of adhered filter material in well

166303, E21B 4304, E21B 4308, E21B 4324

Patent

active

041146913

ABSTRACT:
A method is disclosed for producing oil from a subterranean reservoir of tar sands as unconsolidated oil bearing sands. The method comprises basically (1) setting a screen in an open hole, the screen being large enough to pass a majority of the formation sand and small enough to retain a packing material, (2) running a wash pipe through the screen for connecting to a lateral nozzle in a hole in the bottom of the screen for washing out a cavity around the screen, (3) dropping a weight down the wash pipe for breaking off the nozzle for enlarging the screen bottom opening and (4) ejecting a consolidating gravel packing material through the large bottom opening for forming a consolidated gravel pack around the screen for primary production, or (5) agglomerating the gravel pack with chemicals as with resins, plastics, or jelly for secondary recovery production.

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patent: 3379247 (1968-04-01), Santourian
patent: 3393736 (1968-07-01), Goodwin
patent: 3858654 (1975-01-01), Walker
patent: 3910351 (1975-10-01), Wu et al.
patent: 3913671 (1975-10-01), Redford et al.
patent: 3951457 (1976-04-01), Redford

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