Title:
PERMEABILIZING BY ACIDIZING OIL SHALE TUFFACEOUS STREAKS IN AND OIL RECOVERY THEREFROM
United States Patent 3481398

Inventors:
Prats, Michael
Publication Date:
12/02/1969
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Assignee:
SHELL OIL CO
Primary Class:
166/250.150
Other Classes:
166/271, 360/89, 166/272.300, 166/259, 166/254.100
International Classes:
C09K8/72; E21B43/20; C09K8/60; E21B43/16; E21B47/00
US Patent References:
3322194In-place retorting of oil shale
3346044Method and structure for retorting oil shale in situ by cycling fluid flows
3346048Thermal recovery method for oil sands
3352355Method of recovery of hydrocarbons from solid hydrocarbonaceous formations




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