| Patent application number | Description | Published |
|---|
| 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 |
