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Class Information
Number: 166/300
Name: Wells > Processes > Chemical inter-reaction of two or more introduced materials (e.g., selective plugging or surfactant)
Description: A process comprising placing from above ground level, two or more materials into the well which chemically react with each other in the well or earth.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621329 |
Methods of pumping fluids having different concentrations of particulate at different average bulk fluid velocities to reduce pump wear and maintenance in the forming and delivering of a treat |
Nov. 24, 2009 |
| 7621330 |
Methods of using a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore |
Nov. 24, 2009 |
| 7621335 |
Viscosity breaker for polyacrylamide friction reducers |
Nov. 24, 2009 |
| 7621328 |
Methods of pumping fluids having different concentrations of particulate with different concentrations of hydratable additive to reduce pump wear and maintenance in the forming and delivering |
Nov. 24, 2009 |
| 7615518 |
Composition for denaturing and breaking down friction-reducing polymer and for destroying other oil well contaminants |
Nov. 10, 2009 |
| 7584793 |
Method for treating subterranean formation |
Sep. 8, 2009 |
| 7581594 |
Surfactant method for improved oil recovery from fractured reservoirs |
Sep. 1, 2009 |
| 7578347 |
Method of sealing an annular space in a wellbore |
Aug. 25, 2009 |
| 7565929 |
Degradable material assisted diversion |
Jul. 28, 2009 |
| 7563377 |
Method for removing iron deposits in a water system |
Jul. 21, 2009 |
| 7559370 |
Restricting fluid passage and novel materials therefor |
Jul. 14, 2009 |
| 7559372 |
Composition and process for enhanced oil recovery |
Jul. 14, 2009 |
| 7556098 |
Oil recovery method employing amphoteric surfactants |
Jul. 7, 2009 |
| 7552771 |
Methods to enhance gas production following a relative-permeability-modifier treatment |
Jun. 30, 2009 |
| 7543644 |
Concentrated suspension of particulate additives for fracturing and other fluids |
Jun. 9, 2009 |
| 7543646 |
Suspension of concentrated particulate additives containing oil for fracturing and other fluids |
Jun. 9, 2009 |
| 7533723 |
Well bore treatment fluid |
May. 19, 2009 |
| 7530408 |
Method of consolidating an underground formation |
May. 12, 2009 |
| 7530395 |
Methods of using wellbore servicing compositions |
May. 12, 2009 |
| 7530394 |
Cement compositions for low temperature applications |
May. 12, 2009 |
| 7530393 |
Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers |
May. 12, 2009 |
| 7527102 |
Methods and compositions for diverting acid fluids in wellbores |
May. 5, 2009 |
| 7527103 |
Procedures and compositions for reservoir protection |
May. 5, 2009 |
| 7513306 |
Method for natural gas production |
Apr. 7, 2009 |
| 7501065 |
Methods for treating agricultural drainage water and the like |
Mar. 10, 2009 |
| 7500522 |
Fluid with asphaltene control |
Mar. 10, 2009 |
| 7500521 |
Methods of enhancing uniform placement of a resin in a subterranean formation |
Mar. 10, 2009 |
| 7500520 |
Method of cementing well bores |
Mar. 10, 2009 |
| 7497278 |
Methods of degrading filter cakes in a subterranean formation |
Mar. 3, 2009 |
| 7493956 |
Subsurface safety valve with closure provided by the flowing medium |
Feb. 24, 2009 |
| 7493957 |
Methods for controlling water and sand production in subterranean wells |
Feb. 24, 2009 |
| 7488705 |
Oilwell sealant compositions comprising alkali swellable latex |
Feb. 10, 2009 |
| 7484564 |
Delayed tackifying compositions and associated methods involving controlling particulate migration |
Feb. 3, 2009 |
| 7481273 |
Method of using water-in-oil emulsion to remove oil base or synthetic oil base filter cake |
Jan. 27, 2009 |
| 7475730 |
Method of treating well with foamed composition |
Jan. 13, 2009 |
| 7475728 |
Treatment fluids and methods of use in subterranean formations |
Jan. 13, 2009 |
| 7475727 |
Methods of improving conformance control in fractured hydrocarbon reservoirs |
Jan. 13, 2009 |
| 7464760 |
Inhibiting reservoir souring using a treated injection water |
Dec. 16, 2008 |
| 7462581 |
Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control |
Dec. 9, 2008 |
| 7458424 |
Tight formation water shut off method with silica gel |
Dec. 2, 2008 |
| 7455112 |
Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations |
Nov. 25, 2008 |
| 7451817 |
Methods of using casing strings in subterranean cementing operations |
Nov. 18, 2008 |
| 7448450 |
Drilling and cementing with fluids containing zeolite |
Nov. 11, 2008 |
| 7448451 |
Methods for controlling migration of particulates in a subterranean formation |
Nov. 11, 2008 |
| 7445044 |
Polymer mixtures for crosslinked fluids |
Nov. 4, 2008 |
| 7441596 |
Swelling element packer and installation method |
Oct. 28, 2008 |
| 7441599 |
Controlling the pressure within an annular volume of a wellbore |
Oct. 28, 2008 |
| 7431086 |
Methods of servicing a wellbore with compositions comprising quaternary material and sorel cements |
Oct. 7, 2008 |
| 7431087 |
Internal breaker for oilfield fluids |
Oct. 7, 2008 |
| 7413016 |
Polymer mixtures for crosslinked fluids |
Aug. 19, 2008 |
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