| Patent application number | Description | Published |
|---|
| 20100137169 | Method for Treating a Fractured Formation - The present invention includes compositions and methods of treating a hydrocarbon-bearing formation, the formation having at least one fracture, by contacting the fracture with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant, wherein the composition interacts with at least a portion of the proppants in the fracture. | 06-03-2010 |
| 20100152071 | Method for Treating a Formation with a Solvent - The present invention includes compositions and methods for treating a hydrocarbon-bearing formation by contacting the hydrocarbon-bearing formation with a fluid that includes at least one of a polyol or polyol ether, wherein the polyol and polyol ether independently have from 2 to 25 carbon atoms; and at least one of a monohydroxy alcohol, ether, or ketone, wherein the monohydroxy alcohol, ether, and ketone independently have from 1 to 4 carbon atoms, and wherein the at least one of a polyol or polyol ether is present in the fluid at at least 50 weight percent, based on the total weight of the fluid. | 06-17-2010 |
| 20100167964 | Compositions and Methods for Treating a Water Blocked Well - The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water by contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation. | 07-01-2010 |
| 20100224361 | Compositions and Methods for Treating a Water Blocked Well - The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water, the method includes contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation. | 09-09-2010 |
| 20100292110 | USE OF FLUOROCARBON SURFACTANTS TO IMPROVE THE PRODUCTIVITY OF GAS AND GAS CONDENSATE WELLS - The present invention includes composition having a nonionic, fluorinated polymeric surfactant, water and solvent. Embodiments of compositions according to the present invention are useful, for example, for recovering hydrocarbons from subterranean clastic formations. | 11-18-2010 |
| 20100319920 | METHODS FOR IMPROVING THE PRODUCTIVITY OF OIL PRODUCING WELLS - Methods for treating formations bearing brine and at least one of black oil or volatile oil using a composition containing a nonionic polymer and solvent. The solvent at least one of solubilizes or displaces at least one of brine or oil in the formation. Methods for making a composition for treating a formation bearing brine an at least one of black oil or volatile oil are also disclosed. | 12-23-2010 |
| 20110048721 | DI-FUNCTIONAL SURFACTANTS FOR ENHANCED OIL RECOVERY - The present invention describes the synthesis and use of cleavable di-functional anionic surfactants for enhanced oil recovery applications and/or the use of sacrificial surfactants. | 03-03-2011 |
| 20110059872 | COMPOSITIONS AND METHODS FOR CONTROLLING THE STABILITY OF ETHERSULFATE SURFACTANTS AT ELEVATED TEMPERATURES - The present invention describes the method of making an ether sulfate surfactant solution hydrolytically stable by adding one or more alkalinity generating agents at levels greater than 0.05%. The surfactant solutions of the present invention have half-lives >8 months at 100° C. and find uses in EOR applications, environmental cleanups, detergent industry, and any other surfactant based high temperature applications. | 03-10-2011 |
| 20110059873 | PROCESS OF USING HARD BRINE AT HIGH ALKALINITY FOR ENHANCED OIL RECOVERY (EOR) APPLICATIONS - The present invention describes the use of EDTA and/or alkali treated hard brine at high pH for making ASP formulations for EOR applications. | 03-10-2011 |
| 20110071057 | METHOD OF MANUFACTURE AND USE OF LARGE HYDROPHOBE ETHER SULFATE SURFACTANTS IN ENHANCED OIL RECOVERY (EOR) APPLICATIONS - The present invention describes the method of making anionic ether sulfate surfactants by alkoxylation of a GA using PO and/or EO followed by a sulfation reaction. The GA of the present invention is made by a facile and inexpensive method that involves high temperature base catalyzed dimerization of a linear alcohol. The ether sulfate surfactants of the present invention find uses in EOR applications where it is used for solubilization and mobilization of oil and for environmental cleanup. | 03-24-2011 |
