| Patent application number | Description | Published |
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| 20100234250 | Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH - Methods for treating a portion of a well include the steps of: (a) forming a treatment gel comprising a polymer or a polymer system of a mixture of two or more polymers, wherein the polymer or the polymer system is capable of each of the following, when tested at at least one concentration in the range of 2-10 times C* in deionized water, at about 22° C., and at about 1 atmosphere pressure: (i) forming a polymer gel of the polymer and water at at least one pH in the range of 4-9, wherein a bulk form of the polymer gel has a G′ greater than G″ at all frequencies in the range of 1 rad/sec-100 rad/sec; (ii) dissolving at at least one pH in the range of 2-4; and (iii) dissolving at at least one pH in the range of 9-12; (b) dispersing the treatment gel in a fluid to form a treatment fluid; (c) introducing the treatment gel in a treatment fluid into a portion of a well; and (d) after the step of introducing the treatment gel, adjusting the pH of the treatment gel to at least one pH in the range of 2-4 or 9-12. | 09-16-2010 |
| 20100234251 | Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH - Methods for treating a portion of a well include the steps of: (a) forming a treatment gel comprising a polymer or a polymer system of a mixture of two or more polymers, wherein the polymer or the polymer system is capable of each of the following, when tested at least one concentration in the range of 2-10 times C* in deionized water, at about 22° C., and at about 1 atmosphere pressure: (i) forming a polymer gel of the polymer and water at least one pH in the range of 4-9, wherein a bulk form of the polymer gel has a G′ greater than G″ at all frequencies in the range of 1 rad/sec-100 rad/sec; (ii) dissolving at least one pH in the range of 2-4; and (iii) dissolving at least one pH in the range of 9-12; (b) dispersing the treatment gel in a fluid to form a treatment fluid; (c) introducing the treatment gel in a treatment fluid into a portion of a well; and (d) after the step of introducing the treatment gel, adjusting the pH of the treatment gel to at least one pH in the range of 2-4 or 9-12. | 09-16-2010 |
| 20100268488 | Methods and Apparatus for Determining the Permeability and Diffusivity of a Porous Solid - Apparatus for measuring the permeability and diffusivity of a porous solid comprising: a permeability measuring means for measuring permeability of the solid; a diffusivity measuring means for measuring diffusivity of the solid; a sample chamber for holding a sample of the solid, the arrangement being such that the permeability and diffusivity can be measured without removing the sample from the sample chamber. | 10-21-2010 |
| 20110030948 | Methods for Forming a Permeable and Stable Mass in a Subterranean Formation - Certain emulsions and masses produced using those emulsions exhibiting improved permeability and stability, and methods of preparation and use in subterranean operations, are provided. In one embodiment, the methods comprise: providing a composition that comprise a plurality of inorganic particulates, an aqueous component, and an organic component comprising at least one polymerizable monomer and at least one surface active agent in an amount of up to about 10% by volume of the organic component; permitting the composition to form an emulsion that comprises an internal aqueous phase in an amount of at least about 50% by volume of the emulsion and a continuous organic phase; introducing the composition into at least a portion of a subterranean formation; and permitting the composition to form a porous polymer mass in at least a portion of the subterranean formation. | 02-10-2011 |
| 20110034583 | Methods for Forming a Permeable and Stable Mass in a Subterranean Formation - Certain emulsions and masses produced using those emulsions exhibiting improved permeability and stability, and methods of preparation and use in subterranean operations, are provided. In one embodiment, the emulsions comprise: a plurality of inorganic particulates; an internal aqueous phase in an amount of at least about 50% by volume of the emulsion; and a continuous organic phase comprising at least one polymerizable monomer and at least one surface active agent in an amount of up to about 10% by volume of the organic phase. | 02-10-2011 |
| 20110189579 | ELECTROLYTE - An electrolyte includes a continuous meso- or nanoporous component and a polymer electrolyte phase having a conductive matrix or continuous conducting component. The continuous meso- or nanoporous component includes an interconnected porous structure and may, for example, be a monolith. When the porous component is contacted with the electrolyte phase, the porous component is filled with and integrated into the electrolyte phase. | 08-04-2011 |
| 20110269651 | Water-Soluble Degradable Synthetic Vinyl Polymers and Related Methods - Of the many embodiments presented herein, one is a subterranean treatment fluid comprising: an aqueous fluid; and a water-soluble degradable synthetic vinyl polymer having a labile link in its backbone. Also provided in one instance is a water-soluble degradable synthetic vinyl polymer with labile group in its backbone made by a redox polymerization, the redox polymerization reaction comprising these reactants: a macroinitiator that comprises a labile link, an oxidizing metal ion, and a vinyl monomer. | 11-03-2011 |
| 20110269904 | Water-Soluble Degradable Synthetic Vinyl Polymers and Related Methods - Of the many embodiments presented herein, one is a subterranean treatment fluid comprising: an aqueous fluid; and a water-soluble degradable synthetic vinyl polymer having a labile link in its backbone. Also provided in one instance is a water-soluble degradable synthetic vinyl polymer with labile group in its backbone made by a redox polymerization, the redox polymerization reaction comprising these reactants: a macroinitiator that comprises a labile link, an oxidizing metal ion, and a vinyl monomer. | 11-03-2011 |
| 20140220563 | Fluid Identification System and Production and Use Thereof - A fluid identification system comprising a plurality of particles, each particle encapsulating therein at least one tracer material having an identifiable DNA, the at least one tracer material being encapsulated by an encapsulation material, wherein the particles are adapted to retain the at least one tracer material in an encapsulated form after exposure of the particles to a temperature of at least 75° C. and/or a pressure of at least 1000 psi (6.9×10 | 08-07-2014 |
| Patent application number | Description | Published |
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| 20110021701 | MATERIAL COMPRISING MICROBIALLY SYNTHESIZED CELLULOSE ASSOCIATED WITH A SUPPORT LIKE A POLYMER AND/OR FIBRE - The invention relates to a material comprising cellulose in association with a support selected from a polymer and/or a fibre, wherein said cellulose is produced by a micro-organism. The cellulose-reinforced material is provided for incorporation into a composite. | 01-27-2011 |
| 20110210757 | APPARATUS AND METHOD TO MEASURE PROPERTIES OF POROUS MEDIA - A method to determine properties of a porous material, in which: a porous sample is prepared and sealed; first the sample is evacuated to near vacuum; then a non-wetting and electrically conducting fluid is passed through the sample at a known pressure and the volume of the fluid taken up by the sample is measured; then a small differential pressure is applied across the sample and the flow rate of the fluid through the sample is measured; and an alternating current is passed through the sample and the resistance across the sample is measured. | 09-01-2011 |
| 20110245384 | Process for the production of a functionalised carbon nanomaterial - The invention provides a process for the production of a functionalised carbon (nano)material comprising heating a carbon (nano)material in an inert atmosphere to produce a surface-activated carbon (nano)material and incubating said surface-activated carbon (nano)material with a chemical species capable of reacting with the surface-activated carbon (nano)material. | 10-06-2011 |
| 20120006545 | Hybrid Cement Set-On-Command Compositions and Methods of Use - The present invention relates to methods and compositions useful for isolating a portion of a wellbore. In one embodiment, a method includes preparing a sealant composition containing two phases. The sealant composition is placed into the wellbore where one phase sets upon subjecting the sealant composition to a thermal source followed by the setting of the other phase. | 01-12-2012 |
| 20120010324 | Hybrid Cement Set-On-Command Compositions - The present invention relates to methods and compositions useful for isolating a portion of a wellbore. In one embodiment, a method includes preparing a sealant composition containing two phases. The sealant composition is placed into the wellbore where one phase sets upon subjecting the sealant composition to a thermal source followed by the setting of the other phase. | 01-12-2012 |
| 20130273350 | NANOCELLULOSE SURFACE COATED SUPPORT MATERIAL - The present invention relates to a process for the production of a surface coated support material wherein said process comprises contacting a support material with an aqueous dispersion of nanocellulose. The surface coated support material can be used in a composite material. The invention therefore further relates to the surface coated support material per se, a composite comprising the material, a process for the production of the composite material and an article produced from the composite material. | 10-17-2013 |
