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Class Information
Number: 166/267
Name: Wells > Processes > Separating material entering well > Separating outside of well
Description: A process comprising separating the material coming out of the well into two or more portions by steps taking place outside of the well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4029570 |
Process for recovering crude oil from an underground reservoir |
Jun. 14, 1977 |
| 4027731 |
Methods of and apparatus for hydrocarbon recovery |
Jun. 7, 1977 |
| 4026357 |
In situ gasification of solid hydrocarbon materials in a subterranean formation |
May. 31, 1977 |
| 4022277 |
In situ solvent fractionation of bitumens contained in tar sands |
May. 10, 1977 |
| 4019578 |
Recovery of petroleum from tar and heavy oil sands |
Apr. 26, 1977 |
| 4018481 |
Gasification of coal in situ |
Apr. 19, 1977 |
| 4018280 |
Process for in situ retorting of oil shale |
Apr. 19, 1977 |
| 4014575 |
System for fuel and products of oil shale retort |
Mar. 29, 1977 |
| 4008764 |
Carrier gas vaporized solvent oil recovery method |
Feb. 22, 1977 |
| 4007786 |
Secondary recovery of oil by steam stimulation plus the production of electrical energy and mechanical power |
Feb. 15, 1977 |
| 4007787 |
Gas recovery from hydrate reservoirs |
Feb. 15, 1977 |
| 3990513 |
Method of solution mining of coal |
Nov. 9, 1976 |
| 3989478 |
Producing gaseous fuels of high calorific value |
Nov. 2, 1976 |
| 3978926 |
Recovery of bitumens by imbibition flooding |
Sep. 7, 1976 |
| 3977469 |
Conservation of water for core flow |
Aug. 31, 1976 |
| 3945435 |
In situ recovery of hydrocarbons from tar sands |
Mar. 23, 1976 |
| 3934650 |
Recovery of natural gas during solution mining of an underground salt deposit |
Jan. 27, 1976 |
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