| Patent Number |
Title Of Patent |
Date Issued |
| 6177385 |
Metal ion crosslinked fracturing fluid and method |
January 23, 2001 |
| A fracturing fluid and method is disclosed comprising an aqueous metal hydrated galactomannan gum, buffered to a pH of from about 9 to about 11, and using reduced amounts galactomannan gum. Further, the invention provides a metal ion source, such as borate, to crosslink the galactoma |
| 5972850 |
Metal ion crosslinked fracturing fluid and method |
October 26, 1999 |
| The invention, in one embodiment, is a novel fracturing fluid composition comprising an aqueous metal hydrated galactomannan gum, buffered to a pH of from about 9 to about 11. In another embodiment, a method of fracturing a formation is disclosed, the method being characterized by the us |
| 5877127 |
On-the-fly control of delayed borate-crosslinking of fracturing fluids |
March 2, 1999 |
| A method is provided for controlling the delay time of aqueous borate-crosslinked polysaccharide-based fluids for hydraulic fracturing and related applications which allows on-the-fly control of the delay time without comprising overall fluid integrity. Without having to modify the t |
| 5681796 |
Borate crosslinked fracturing fluid and method |
October 28, 1997 |
| The invention, in one embodiment, is a novel fracturing fluid composition comprising an aqueous metal hydrated galactomannan gum, buffered to a pH of from about 9 to about 11. In another embodiment, a method of fracturing a formation is disclosed, the method being characterized by the us |
| 5259455 |
Method of using borate crosslinked fracturing fluid having increased temperature range |
November 9, 1993 |
| The present invention extends the temporary temperature range for the use of magnesium oxide-delayed borate-cross linking of a galactomannan gum fracturing fluid by adding fluoride ion which precipitates insoluble magnesium fluoride. Alternatively, a chelant for the magnesium ion may be |
| 5229017 |
Method of enhancing methane production from coal seams by dewatering |
July 20, 1993 |
| Dewatering of coal seams for facilitating the production of gas therefrom through a well is effected by treating the coal seam utilizing a well treatment fluid containing a dewatering aid which both enhances the permeability of the formation to water production and binds tenaciously to |
| 5103913 |
Method of fracturing high temperature wells and fracturing fluid therefore |
April 14, 1992 |
| The high temperature stability of an aqueous fracturing fluid is extended for use in high temperature (above 300.degree. F.) subterranean formations through the addition of quantities of unhydrated, particulate guar or guar derivative polymers prior to the pumping of the fracturing fluid |
| 4732669 |
Conditioner for flotation of coal |
March 22, 1988 |
| The froth flotation of coal is conducted in the presence of a conditioner of the condensate of naphthenic acid and an alkanolamine such as diethanolamine. |
| 4669544 |
Reducing paraffin deposits on paraffin contaminated surfaces |
June 2, 1987 |
| A method of reducing paraffin deposits on a paraffin contaminated surface. The surface is contacted with a sulphur trioxide containing liquid to react with the paraffin, and convert at least a portion of it to a water-dispersible material. The surface is also contacted with a surfact |
| 4501775 |
Method for reducing the strength of ice |
February 26, 1985 |
| The strength of ice is reduced by dissolving in water prior to freezing a composition of (A) a water-soluble polyhydroxy compound or monoalkylether thereof and (B) a water-soluble organic nonvolatile compound having a hydrophilic group such as amine, carboxyl or carboxylate groups in an |
| 4439337 |
Composition and method for preventing freezing together of various surfaces |
March 27, 1984 |
| A surface which is to be contacted with another surface, e.g., a particulate material, in the presence of moisture (water) which is subject to freezing, is coated with a composition containing water and substantially water soluble components comprising (1) a polyhydroxy compound or m |
| 4388203 |
Composition and method for melting frozen aqueous solutions |
June 14, 1983 |
| Frozen water is thawed by applying to the surface thereof a composition containing water and substantially water soluble components comprising (1) a polyhydroxy compound or monoalkyl ether thereof, (2) an organic nonvolatile compound having at least one hydrophilic group, (2) being d |
| 4330339 |
Lower alkanoic acid derivatives of a diethanolamine/fatty acid condensate |
May 18, 1982 |
| The title compositions exhibit superior efficacy as conditioners in the flotation of coal. These compositions are prepared by condensing diethanolamine with a C.sub.10 -C.sub.24 fatty acid in a molar ratio of 1:2 and then introducing one-half the equimolar amount, relative to the con |
| 4117214 |
Method and composition for reducing the strength of ice |
September 26, 1978 |
| The strength of ice is reduced by dissolving in water prior to freezing a composition of (A) a water-soluble polyhydroxy compound or monoalkylether thereof and (B) a water-soluble organic nonvolatile compound having a hydrophilic group such as amine, carboxyl or carboxylate groups in an |
| 4087572 |
Method of preventing environmental erosion |
May 2, 1978 |
| The surface of a mass of finely divided particulate matter, e.g. the surface of a coal pile, is treated by applying to the surface a combination of an organic polymer latex and a silicone to provide a water repellant surface. |
| 4042529 |
Composition and method for enhancing dispersibility of water soluble polymers |
August 16, 1977 |
| A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polymer. |
| 4040967 |
Method of fracturing subterranean formations penetrated by a well |
August 9, 1977 |
| A water dispersible particulate organic polymer is coated with a polyvinyl lactam-containing polymeric material to provide a particulate material which is readily dispersible in aqueous solutions with a minimum of agglomeration of the water soluble polymer. |
| 4025596 |
Method for pelletizing finely divided solids |
May 24, 1977 |
| Finely divided mineral solids are pelletized by uniformly blending the solids with a binder consisting essentially of an aqueous film forming latex of a water insoluble polymer after which the blend is shaped and dried. The binder preferably also contains a water dispersible agglutin |
| 4012355 |
Composition useful in preventing environmental erosion containing film forming organic polymer a |
March 15, 1977 |
| The surface of a mass of finely divided particulate matter, e.g. the surface of a coal pile, is treated by applying to the surface a combination of an organic polymer latex and a silicone to provide a water repellant surface. |
