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Class Information
Number: 166/259
Name: Wells > Processes > In situ combustion > Including fracturing or attacking formation
Description: A process in which the earth is cracked to produce a fissure or fissures therein, or in which fluid introduced into the pores of the earth chemically reacts with the earth or deposits in the earth to enlarge the pores of the earth.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4015663 |
Method of subterranean steam generation by in situ combustion of coal |
Apr. 5, 1977 |
| 4007963 |
Oil collection and recovery system for in situ oil shale retort |
Feb. 15, 1977 |
| 3999607 |
Recovery of hydrocarbons from coal |
Dec. 28, 1976 |
| 3994343 |
Process for in situ oil shale retorting with off gas recycling |
Nov. 30, 1976 |
| 3990514 |
Method of connection of wells |
Nov. 9, 1976 |
| 3990835 |
Burner for igniting oil shale retort |
Nov. 9, 1976 |
| 3981362 |
In-situ combustion method for the recovery of hydrocarbons |
Sep. 21, 1976 |
| 3980339 |
Process for recovery of carbonaceous materials from subterranean deposits |
Sep. 14, 1976 |
| 3964546 |
Thermal recovery of viscous oil |
Jun. 22, 1976 |
| 3951456 |
Process for effecting even retort working fluid flow throughout an in situ retort containing carbonaceous deposits |
Apr. 20, 1976 |
| 3945679 |
Subterranean oil shale pyrolysis with permeating and consolidating steps |
Mar. 23, 1976 |
| 3941423 |
Method of and apparatus for extracting oil from oil shale |
Mar. 2, 1976 |
| 3933447 |
Underground gasification of coal |
Jan. 20, 1976 |
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