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Class Information
Number: 166/58
Name: Wells > With heating, refrigerating or heat insulating means > Fuel supply or hot billet in well
Description: Devices comprising (1) means for supporting a supply of fuel in the well or (2) a heated bar or container adapted to be lowered into the well after it is heated or filled with a hot material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7249630 |
Well tool and method for heating and depositing first and second charges of selective temperature melting metal alloys for repairing failure spots along a section of a tubular conduit in a sub |
Jul. 31, 2007 |
| 7182132 |
Linearly scalable geothermic fuel cells |
Feb. 27, 2007 |
| 7165607 |
Resistive down hole heating tool |
Jan. 23, 2007 |
| 6978837 |
Production of natural gas from hydrates |
Dec. 27, 2005 |
| 6758668 |
Preheating device for heavy wall pipe |
Jul. 6, 2004 |
| 6684948 |
Apparatus and method for heating subterranean formations using fuel cells |
Feb. 3, 2004 |
| 6491096 |
Two phase heat generation system and method |
Dec. 10, 2002 |
| 6269882 |
Method for ignition of flameless combustor |
Aug. 7, 2001 |
| 6044907 |
Two phase heat generation system and method |
Apr. 4, 2000 |
| 6019172 |
Flameless combustor |
Feb. 1, 2000 |
| 5899269 |
Flameless combustor |
May. 4, 1999 |
| 4507082 |
Preheating insert for heavy wall pipe |
Mar. 26, 1985 |
| 4180131 |
Chemical cutting apparatus for use in wells |
Dec. 25, 1979 |
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