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Class Information
Number: 507/102
Name: Earth boring, well treating, and oil field chemistry > Earth boring > Contains intended gaseous phase at entry into wellbore
Description: Compositions which have an intentional gaseous phase present as they are initially placed in the wellbore.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7273103 |
Cement compositions comprising environmentally compatible defoaming agents and methods of use |
Sep. 25, 2007 |
| 7199083 |
Self-generating foamed drilling fluids |
Apr. 3, 2007 |
| 7199085 |
Colloidal and colloidal-like systems in aqueous, clay-based fluids |
Apr. 3, 2007 |
| 7108066 |
Variable density treatment fluids and methods of using such fluids in subterranean formations |
Sep. 19, 2006 |
| 7087556 |
Compositions for treating subterranean zones penetrated by well bores |
Aug. 8, 2006 |
| 7077219 |
Foamed treatment fluids and associated methods |
Jul. 18, 2006 |
| 7055628 |
Well drilling method and drilling fluid |
Jun. 6, 2006 |
| 7040419 |
Foamed compositions and methods of use in subterranean zones |
May. 9, 2006 |
| 7037881 |
Stabilized colloidal and colloidal-like systems |
May. 2, 2006 |
| 7033977 |
Compositions and methods for sealing formations |
Apr. 25, 2006 |
| 7033975 |
Use of surface-modified nanoparticles for oil recovery |
Apr. 25, 2006 |
| 6800592 |
Polymer-enhanced foamable drilling fluid |
Oct. 5, 2004 |
| 6770601 |
Aphron-containing aqueous well drilling and servicing fluids |
Aug. 3, 2004 |
| 6722436 |
Apparatus and method for operating an internal combustion engine to reduce free oxygen contained within engine exhaust gas |
Apr. 20, 2004 |
| 6716797 |
Aphron-containing well drilling and servicing fluids |
Apr. 6, 2004 |
| 6715553 |
Methods of generating gas in well fluids |
Apr. 6, 2004 |
| 6649571 |
Method of generating gas bubbles in oleaginous liquids |
Nov. 18, 2003 |
| 6555505 |
Foamed acidizing fluids, additives and methods of acidizing subterranean zones |
Apr. 29, 2003 |
| 6460632 |
Methods of drilling well bores |
Oct. 8, 2002 |
| 6422326 |
Aphron-containing well drilling and servicing fluids of enhanced stability |
Jul. 23, 2002 |
| 6286601 |
Process comprising a reversible forming composition |
Sep. 11, 2001 |
| 6172010 |
Water-based foaming composition-method for making same |
Jan. 9, 2001 |
| 6156708 |
Aphron-containing oil base fluids and method of drilling a well therewith |
Dec. 5, 2000 |
| 6148917 |
Method of releasing stuck pipe or tools and spotting fluids therefor |
Nov. 21, 2000 |
| 6123159 |
Aphron-containing well drilling and servicing fluids of enhanced stability |
Sep. 26, 2000 |
| 6113809 |
Use of a high purity imidazoline based amphoacetates as surface active agents |
Sep. 5, 2000 |
| 5910467 |
Solids-stabilized emulsion |
Jun. 8, 1999 |
| 5881826 |
Aphron-containing well drilling and servicing fluids |
Mar. 16, 1999 |
| 5883053 |
Nitrogen/carbon dioxide combination fracture treatment |
Mar. 16, 1999 |
| 5851960 |
Method of performing well drilling operations with a foamable drilling fluid |
Dec. 22, 1998 |
| 5821203 |
Foamed drilling fluids, their process for preparation and the corresponding drilling method |
Oct. 13, 1998 |
| 5716910 |
Foamable drilling fluid and methods of use in well drilling operations |
Feb. 10, 1998 |
| 5663121 |
Method and apparatus for providing a stream of inert gases in underbalanced drilling of a well bore |
Sep. 2, 1997 |
| 5614473 |
Use of high purity imidazoline based amphoacetate surfactant as foaming agent in oil wells |
Mar. 25, 1997 |
| 5565416 |
Corrosion inhibitor for wellbore applications |
Oct. 15, 1996 |
| 5513712 |
Polymer enhanced foam drilling fluid |
May. 7, 1996 |
| 5495891 |
Foamed gel employed as a drilling fluid, a lost circulation fluid, or a combined drilling/lost circulation fluid |
Mar. 5, 1996 |
| 4565647 |
Foaming surfactant compositions |
Jan. 21, 1986 |
| 4524002 |
Foaming agent |
Jun. 18, 1985 |
| 4442018 |
Stabilized aqueous foam systems and concentrate and method for making them |
Apr. 10, 1984 |
| 4425243 |
Foaming agents for use in drilling for oil and gas |
Jan. 10, 1984 |
| 4250042 |
Corrosion inhibition in well-drilling operations using aqueous systems containing ammonium carboxylates |
Feb. 10, 1981 |
| 4201678 |
Foam drilling and workover in high temperature wells |
May. 6, 1980 |
| 4121674 |
Method for foam drilling using a biodegradable foaming agent |
Oct. 24, 1978 |
| 4121664 |
Biodegradable foaming agent in drilling and workover operations |
Oct. 24, 1978 |
| 4092252 |
Controlling corrosion in gas-containing aqueous drilling fluid |
May. 30, 1978 |
| 4088583 |
Composition and method for drilling high temperature reservoirs |
May. 9, 1978 |
| 4039459 |
Composition and method for drilling a reservoir containing a high temperature aqueous liquid |
Aug. 2, 1977 |
| 3995705 |
Method of foam drilling using a di-substituted taurate foaming agent |
Dec. 7, 1976 |
| 3953338 |
Foam well cleanout using oligomeric sulfonic acids |
Apr. 27, 1976 |
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