| |
 |
|
Class Information
Number: 507/925
Name: Earth boring, well treating, and oil field chemistry > Completion or workover fluid
Description: Subject matter wherein the well treating composition is intended to be used in a generically disclosed workover or completion operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625846 |
Application of degradable polymers in well fluids |
Dec. 1, 2009 |
| 7572757 |
Method of treating a well with a gel stabilizer |
Aug. 11, 2009 |
| 7572755 |
Drilling fluid comprising a vinyl neodecanoate polymer and method for enhanced suspension |
Aug. 11, 2009 |
| 7500519 |
Methods of modifying fracture faces and other surfaces in subterranean formations |
Mar. 10, 2009 |
| 7439210 |
Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations |
Oct. 21, 2008 |
| 7341106 |
Methods for wellbore strengthening and controlling fluid circulation loss |
Mar. 11, 2008 |
| 7318473 |
Methods relating to maintaining the structural integrity of deviated well bores |
Jan. 15, 2008 |
| 7316275 |
Well treating compositions containing water superabsorbent material and method of using the same |
Jan. 8, 2008 |
| 7273832 |
Alkali metal tungstate compositions and uses thereof |
Sep. 25, 2007 |
| 7247604 |
Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system |
Jul. 24, 2007 |
| 7211550 |
Compositions for controlling scaling and completion fluids |
May. 1, 2007 |
| 7178590 |
Well fluids and methods of use in subterranean formations |
Feb. 20, 2007 |
| 7168490 |
Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends |
Jan. 30, 2007 |
| 7150321 |
Zeolite-containing settable spotting fluids |
Dec. 19, 2006 |
| 7140439 |
Zeolite-containing remedial compositions |
Nov. 28, 2006 |
| 7124822 |
Foamed completion fluids and methods |
Oct. 24, 2006 |
| 7108066 |
Variable density treatment fluids and methods of using such fluids in subterranean formations |
Sep. 19, 2006 |
| 7096944 |
Well fluids and methods of use in subterranean formations |
Aug. 29, 2006 |
| 7040419 |
Foamed compositions and methods of use in subterranean zones |
May. 9, 2006 |
| 6989353 |
Method for reducing sag in drilling, completion and workover fluids |
Jan. 24, 2006 |
| 6968898 |
System and method for removing particles from a well bore penetrating a possible producing formation |
Nov. 29, 2005 |
| 6933262 |
Controlled hydration of starch in high density brine dispersion |
Aug. 23, 2005 |
| 6861393 |
Method for reducing sag in drilling, completion and workover fluids |
Mar. 1, 2005 |
| 6818597 |
Suspensions of water soluble polymers in surfactant free non-aqueous solvents |
Nov. 16, 2004 |
| 6790811 |
Oil based drilling fluid |
Sep. 14, 2004 |
| 6770603 |
Electrically conductive non-aqueous wellbore fluids |
Aug. 3, 2004 |
| 6739414 |
Compositions and methods for sealing formations |
May. 25, 2004 |
| 6710019 |
Wellbore fluid |
Mar. 23, 2004 |
| 6660693 |
Methods for dewatering shaly subterranean formations |
Dec. 9, 2003 |
| 6613720 |
Delayed blending of additives in well treatment fluids |
Sep. 2, 2003 |
| 6609578 |
Shale hydration inhibition agent and method of use |
Aug. 26, 2003 |
| 6608005 |
Wellbore fluids and their application |
Aug. 19, 2003 |
| 6576597 |
Method of increasing the low shear rate viscosity and shear thinning index of divalent cation-containing fluids and the fluids obtained thereby |
Jun. 10, 2003 |
| 6573221 |
Non-pyruvylated xanthan in oil field applications utilizing high density calcium-based brines |
Jun. 3, 2003 |
| 6569814 |
Fluids and techniques for hydrocarbon well completion |
May. 27, 2003 |
| 6562762 |
Method of and composition for reducing the loss of fluid during well drilling, completion or workover operations |
May. 13, 2003 |
| 6562764 |
Invert well service fluid and method |
May. 13, 2003 |
| 6506710 |
Viscoelastic surfactants and compositions containing same |
Jan. 14, 2003 |
| 6423802 |
Water soluble copolymers and polymer compositions comprising same and use thereof |
Jul. 23, 2002 |
| 6391830 |
Divalent cation-containing well drilling and servicing fluids |
May. 21, 2002 |
| 6300286 |
Divalent cation-containing well drilling and service fluid |
Oct. 9, 2001 |
| 6286601 |
Process comprising a reversible forming composition |
Sep. 11, 2001 |
| 6284714 |
Pumpable multiple phase compositions for controlled release applications downhole |
Sep. 4, 2001 |
| 6232274 |
Viscoelastic surfactant based gelling composition for wellbore service fluids |
May. 15, 2001 |
| 6165947 |
Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations |
Dec. 26, 2000 |
| 6165945 |
Blends of glycol derivatives as gas hydrate inhibitors in water base drilling, drill-in, and completion fluids |
Dec. 26, 2000 |
| 6153669 |
Drilling compositions and methods |
Nov. 28, 2000 |
| 6110876 |
Drilling compositions and methods |
Aug. 29, 2000 |
| 6105691 |
Modular drilling fluid system and method |
Aug. 22, 2000 |
| 6054416 |
Drilling fluids comprising biodegradable heteropolyglycols |
Apr. 25, 2000 |
|
|
|
