| Patent application number | Description | Published |
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| 20090071650 | FOAMED CEMENT COMPOSITIONS COMPRISING OIL-SWELLABLE PARTICLES AND METHODS OF USE - Of the many compositions and methods provided herein, an embodiment of a method comprises introducing a foamed cement composition into a subterranean formation, wherein the foamed cement composition comprises: a cementitious component; a foaming and stabilizing surfactant; an oil-swellable particle; gas; and water; and allowing the settable composition to set in the subterranean formation. Another embodiment of a method comprises introducing a foamed cement composition into an annulus between a pipe string and a subterranean formation, wherein the foamed cement composition comprises comprising: a cementitious component; a foaming and stabilizing surfactant; an oil-swellable particle; gas; and water; and allowing the settable composition to set in the annulus. An embodiment of a foamed cement composition comprises a cementitious component, a foaming and stabilizing surfactant, a swellable particle, gas, and water. | 03-19-2009 |
| 20090114126 | Extended Settable Compositions Comprising Cement Kiln Dust and Associated Methods - An embodiment of the present invention includes a method of cementing in a subterranean formation comprising: providing an extended settable composition comprising hydraulic cement, cement kiln dust, water, and a set retarding additive, wherein the extended settable composition is capable of remaining in a pumpable fluid state for at least about 1 day; adding a cement set accelerator to the extended settable composition; introducing the extended settable composition into a well bore; and allowing the extended settable composition to set. Another embodiment of the present invention includes a method of cementing in a subterranean formation comprising: providing an extended settable composition comprising hydraulic cement, cement kiln dust, water, and a set retarding additive; storing the extended settable composition; adding a cement set accelerator to the extended settable composition; introducing the extended settable composition into a well bore; and allowing the extended settable composition to set. | 05-07-2009 |
| 20090200029 | Settable Compositions Comprising a Natural Pozzolan and Associated Methods - An embodiment of a method of cementing comprises: introducing a cement composition into a subterranean formation, wherein the cement composition comprises cement kiln dust, a natural pozzolan, and water; and allowing the cement composition to set. Another embodiment of a method comprises: introducing a cement composition into a subterranean formation, wherein the cement composition comprises a cement, a natural pozzolan, and water, wherein the cement comprises Portland cement interground with burned shale; and allowing the cement composition to set. Another embodiment includes a cement composition comprising at least one additive selected from the group consisting of cement, cement kiln dust, Portland cement interground with burned shale, and a combination thereof; a natural pozzolan; and water. | 08-13-2009 |
| 20090283269 | Extended cement compositions comprising oil-swellable particles and associated methods - A variety of methods and compositions are disclosed herein, including, in one embodiment, a method of cementing in a subterranean formation comprising: providing an extended cement composition comprising cement, water, an oil-swellable particle, and a set retarding additive, wherein the extended cement composition is capable of remaining in a pumpable fluid state for at least about 1 day; adding a cement set accelerator to the extended cement composition; introducing the extended cement composition into a well bore; and allowing the extended cement composition to set. Another embodiment comprises an extended cement composition comprising: cement; water; an oil-swellable particle; and a set retarding additive, wherein the extended cement composition is capable of remaining in a pumpable fluid state for at least about 1 day. | 11-19-2009 |
| 20090312445 | Foamed Cement Compositions Comprising Oil-Swellable Particles - Of the many compositions provided herein, an embodiment includes a foamed cement composition comprising a cementitious component, an oil-swellable particle comprising at least one swellable elastomer selected from the group consisting of acrylate butadiene rubber, polyacrylate rubber, isoprene rubber, choloroprene rubber, butyl rubber, brominated butyl rubber, chlorinated butyl rubber, chlorinated polyethylene, neoprene rubber, styrene butadiene block copolymer, sulphonated polyethylene, ethylene acrylate rubber, epichlorohydrin ethylene oxide copolymer, ethylene-propylene rubber, ethylene vinyl acetate copolymer, fluorosilicone rubber, silicone rubber, and combinations thereof, a foaming and stabilizing surfactant, gas, and water. Another embodiment includes a foamed cement composition comprising a cementitious component, an oil-swellable particle comprising a block copolymer of styrene butadiene rubber, a foaming and stabilizing surfactant, and gas. | 12-17-2009 |
| 20100025039 | Cement Compositions and Methods Utilizing Nano-Clay - The present invention includes well treatment fluids and methods utilizing nano-particles. An embodiment of a method of the present invention may comprise introducing a treatment fluid comprising nano-clay into a subterranean formation. The treatment fluid may be selected from the group consisting of a cement composition, a drilling fluid, a spacer fluid, and a lost circulation control composition. Another embodiment of the present invention may comprise a method of cementing. The method of cementing may comprise introducing a cement composition comprising a hydraulic cement, nano-clay, and water into a subterranean formation. The method further may comprise allowing the cement composition to set in the subterranean formation. Yet another embodiment of the present invention may comprise a treatment fluid, the treatment fluid comprising nano-clay. The treatment fluid may be selected from the group consisting of a cement composition, a drilling fluid, a spacer fluid, and a lost circulation control composition. | 02-04-2010 |
| 20100025040 | Foamed Cement Compositions, Additives, and Associated Methods - A variety of methods and compositions are disclosed, including, in one embodiment, a cement composition comprising: cement; a surfactant composition comprising: an ethoxylated alcohol ether sulfate in an amount in the range of about 60 to about 64 parts by weight, a first alkyl or alkene amidopropyl betaine in an amount in the range of about 30 to about 33 parts by weight, and a second alkyl or alkene amidopropyl betaine in an amount in the range of about 1 to about 5 parts by weight; a gas; and water. | 02-04-2010 |
| 20100038084 | Cement Compositions Comprising Aluminum Chloride and Associated Methods - A variety of methods and compositions are disclosed, including, in one embodiment, a method of cementing in a subterranean formation comprising introducing a cement composition into the subterranean formation, wherein the cement composition comprises cement; a strength-enhancing additive consisting essentially of aluminum chloride and a metal halide; and water; and allowing the cement composition to set. Another method of cementing in a subterranean formation comprises preparing a cement composition that comprises cement, a strength-enhancing additive consisting essentially of aluminum chloride and a metal halide, and water, wherein the aluminum chloride and the salt are not combined prior to preparing the cement composition; introducing the cement composition into the subterranean formation; and allowing the cement composition to set. | 02-18-2010 |
| 20100041792 | Latex Compositions Comprising Pozzolan and/or Cement Kiln Dust and Methods of Use - The present invention includes methods and compositions that include a latex, and at least one of a natural pozzolan or cement kiln dust. An embodiment includes a method comprising: placing a latex composition in a subterranean formation, wherein the latex composition comprises: latex, a component selected from the group consisting of a natural pozzolan, cement kiln dust, and a combination thereof, and water; and allowing the latex composition to set. Another embodiment of the present invention includes a latex composition comprising: latex, a component selected from the group consisting of a natural pozzolan, cement kiln dust, and a combination thereof. | 02-18-2010 |
| 20100186956 | Methods for Servicing Well Bores with Hardenable Resin Compositions - Methods for servicing well bores with hardenable resin compositions are provided. In one embodiment, a method of servicing a well bore includes providing a hydrophobic well bore servicing composition comprising a liquid hardenable resin, a hardening agent, and a weighting material selected to impart a desired first density to the well bore servicing composition; introducing the well bore servicing composition into a well bore comprising a well bore fluid having a second density; allowing the well bore servicing composition to migrate through the well bore fluid to a desired location in the well bore based at least in part upon a difference between the first and second densities; and allowing the liquid hardenable resin to at least partially harden to form a well bore plug at the desired location in the well bore. | 07-29-2010 |
| 20100258312 | Methods of Plugging and Abandoning a Well Using Compositions Comprising Cement Kiln Dust and Pumicite - The present invention is directed to plug-and-abandon operations that use plugging compositions comprising cement kiln dust, pumicite, and/or lime. An embodiment includes a method of plugging a well bore for abandonment comprising: placing a plugging composition in the well bore, the plugging composition comprising: cement kiln dust in an amount of about 5% to about 100% by weight of cementitious components, pumicite in an amount of about 5% to about 100% by weight of cementitious components, 0% to about 24% of Portland cement by weight of cementitious components, and water; and allowing the plugging composition to set and form a plug. | 10-14-2010 |
| 20100282466 | Acid-Soluble Cement Compositions Comprising Cement Kiln Dust and/or a Natural Pozzolan and Methods of Use - The present invention relates to acid-soluble cement compositions that comprise cement kiln dust (“CKD”) and/or a natural pozzolan and associated methods of use. An embodiment includes a method of cementing comprising: placing an acid-soluble cement composition in a subterranean formation, wherein the acid-soluble cement composition comprises a hydraulic cement, a component selected from the group consisting of CKD, pumicite, and a combination thereof, and water; allowing the acid-soluble cement composition to set; and contacting the set acid-soluble cement composition with an acid to dissolve the set acid-soluble cement composition. | 11-11-2010 |
| 20100292365 | Latex Compositions Comprising Pozzolan and/or Cement Kiln Dust and Methods of Use - The present invention includes methods and compositions that include a latex, and at least one of a natural pozzolan or cement kiln dust. An embodiment includes a method comprising: placing a latex composition in a subterranean formation, wherein the latex composition comprises: latex, a component selected from the group consisting of a natural pozzolan, cement kiln dust, and a combination thereof, and water; and allowing the latex composition to set. Another embodiment of the present invention includes a latex composition comprising: latex, a component selected from the group consisting of a natural pozzolan, cement kiln dust, and a combination thereof. | 11-18-2010 |
| 20110028594 | Weighted Elastomers, Cement Compositions Comprising Weighted Elastomers, and Methods of Use - Methods and compositions are provided that relate to weighted elastomers. The weighted elastomers may comprise an elastomer and a weighting agent attached to an outer surface of the elastomer. An embodiment includes a method of cementing that comprises providing a cement composition containing cement, water, and a weighted elastomer. In addition, the cement composition may be introduced into a subterranean formation and allowed to set therein. | 02-03-2011 |
| 20110162845 | Lost Circulation Compositions and Associated Methods - An embodiment includes a method of servicing a well bore. The method may comprise introducing a lost circulation composition into a lost circulation zone, the lost circulation composition comprising hydraulic cement, nano-particles, amorphous silica, clay, and water. The method further may comprise allowing the lost circulation composition to set in the lost circulation zone. Another embodiment includes a lost circulation composition. The lost circulation may comprise hydraulic cement, nano-particles, amorphous silica, clay, and water. | 07-07-2011 |
