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| Number | Title | Issue Date |
| 7387674 | Method for solidifying soil and industrial waste, and solidified materials prepared thereby Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6 parts by weight of a 3-5-fold dilution of a solidifying agent and 3-15 ... | 06/17/2008 |
| 7351680 | High performance water-based mud system A drilling fluid or mud additive having several components, including leonardite (humic acid); potassium acetate; partially hydrolyzed polyacrylamide (PHPA); polyanionic cellulose polymer (PAC); sulfonated asphalt; sulfoalkylated tannin; polystyrene maleic anhydride... | 04/01/2008 |
| 7332026 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/19/2008 |
| 7326291 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/05/2008 |
| 7303015 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 12/04/2007 |
| 7285164 | Fluid loss additives for cement slurries Methods for cementing in a subterranean zone, which use a cement composition that includes zeolite, cementitious material, proportioned fluid loss control additives and a mixing fluid. Cement compositions containing proportioned fluid loss control additives, and met... | 10/23/2007 |
| 7285166 | Zeolite-containing cement composition Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid. ... | 10/23/2007 |
| 7276114 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 10/02/2007 |
| 7232483 | Cement composition having chromium reducer Exemplary compositions and methods for reducing hexavalent chromium in cementitious compositions involve the use of a liquid additive composition, comprising stannous chloride. Along with the stannous chloride may be used at least one co-additive comprising an antio... | 06/19/2007 |
| 7182137 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/27/2007 |
| 7150321 | Zeolite-containing settable spotting fluids Methods and compositions for wellbore treating fluids, especially settable spotting fluids, that include zeolite and at least one carrier fluid. ... | 12/19/2006 |
| 7147067 | Zeolite-containing drilling fluids Methods and compositions for wellbore treating fluids, especially drilling fluids, that comprise zeolite and a carrier fluid. ... | 12/12/2006 |
| 7147708 | Fiber gel mixture for use in cementicious products The present invention relates to a thickened aqueous solution, or gel solution, for use in providing fiber to a cement composition. Additionally, the present invention relates to a method for adding fibers to cement. ... | 12/12/2006 |
| 7140440 | Fluid loss additives for cement slurries Methods for cementing in a subterranean zone, which use a cement composition that includes zeolite, cementitious material, proportioned fluid loss control additives and a mixing fluid. Cement compositions containing proportioned fluid loss control additives, and met... | 11/28/2006 |
| 7140439 | Zeolite-containing remedial compositions Methods and compositions for wellbore treating fluids, especially remedial compositions such as pills, that include zeolite and at least one carrier fluid. ... | 11/28/2006 |
| 7118624 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 10/10/2006 |
| 7087110 | Liquid additive for intergrinding cement Exemplary compositions and methods for reducing hexavalent chromium in cementitious compositions involve the use of a liquid additive composition, comprising stannous chloride. Along with the stannous chloride may be used at least one co-additive comprising an antio... | 08/08/2006 |
| 7067004 | Grout compositions having high thermal conductivities and methods of using the same Grout slurries are provided that have high thermal conductivities of greater than about 1.4 Btu/hr-ft-° F. and low hydraulic conductivities ranging from about 5×10−9 cm/s to about 1×10−8 cm/s. Such grout slurries comprise water and a grout composition that is... | 06/27/2006 |
| 7048053 | Zeolite compositions having enhanced compressive strength Zeolite compositions having enhanced compressive strength and methods therefor are provided. In particular, methods and compositions for wellbore treating fluids, especially settable spotting fluids having enhanced compressive strength are provided. ... | 05/23/2006 |
| 7048793 | Beneficiated water reducing compositions Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate super... | 05/23/2006 |
| 6989057 | Zeolite-containing cement composition A method and cement composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the cement composition comprises zeolite, cementitious material, and water sufficient to form a slurry. ... | 01/24/2006 |
| 6983800 | Methods, cement compositions and oil suspensions of powder Methods, cement compositions and oil suspensions of powders are provided. The oil suspensions of silica powder comprise silica powder, mineral oil, an oleophilic clay, an oleophilic surfactant and a hydrophilic surfactant. ... | 01/10/2006 |
| 6964302 | Zeolite-containing cement composition Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid. ... | 11/15/2005 |
| 6916369 | Beneficiated water reducing compositions Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate super... | 07/12/2005 |
| 6893496 | Cement compositions and admixtures therefore Blended cement compositions for mixture with aggregate and water to prepare cementitious products. Such blended cement compositions contain cement, calcined diatomaceous earth, calcined kaolin, fiberous material and reactive vinyl acetate co-polymers, with or withou... | 05/17/2005 |
| 6881257 | Machinable light weight sisal-based concrete structural building material A machinable light weight sisal-based concrete structural building material and a method of making the same are disclosed. The material includes short sisal fibers in a range from about 22% (v/v) to about 33% (v/v); a cement in a range from about 12% (v/v) to about ... | 04/19/2005 |
| 6824607 | Cement-bound active substance The invention relates to a novel cement-bound material with a mineral binding agent, a mineral filler and/or mineral aggregates. Said cement-bound material has a proportion of a mass hydrophobing agent comprised of stearates, siliconates, silanes or siloxanes rangin... | 11/30/2004 |
| 6824606 | Additive for special plasters and mortars, compositions containing the additive and utilization of the additive in special plasters and mortars A water retaining additive for conglomerate building materials, free of cellulose-like derivatives, that comprises at least a rheological grade clay, preferably sepiolite, and a modified natural gum such as guar gum, as well as conglomerate compositions that contain... | 11/30/2004 |
| 6739806 | Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations The present invention provides cement compositions comprising an improved fluid loss control additive, and methods for cementing in a subterranean formation using such cement compositions. The cement compositions comprise a hydraulic cement, water, and a fluid loss ... | 05/25/2004 |
| 6699561 | Activated carbon molded body and use thereof An activated carbon molded body, more particularly in honeycomb form and for use as an adsorption filter, can be produced from a mixture including activated carbon, water, novolak powder, clay, cellulose ether, liquid starch, wax, polyacrylamide and soap,... | 03/02/2004 |
| 6676742 | Mixture that can be added to decorative aqueous-phase paint products A physical and chemical mixture of aggregative material, chemical products, mineral fillers and/or special pigments in dispersion, with metallic effect, designed to be added to aqueous-phase paint products having a monochromatic-flocculate or multichromat... | 01/13/2004 |
| 6648962 | Micro-granulose particulates Substantially hydrated cementitious particulates useful for delivering admixtures and additives into adhesives, coatings, paints, and other matrix compositions such as cement, concrete, masonry, mortar, fireproofing, shotcrete, and others. Preferred embod... | 11/18/2003 |
| 6648961 | Methods, well cement compositions and lightweight additives therefor The present invention provides methods, lightweight well cement compositions and additives for the well cement compositions. The methods of the invention for sealing pipe in a well bore penetrating a zone or formation which readily fractures at low hydros... | 11/18/2003 |
| 6616753 | Methods and compositions for sealing subterranean zones Methods and compositions for sealing subterranean zones penetrated by well bores are provided. The methods basically comprise the steps of introducing a sealing composition into the subterranean zone comprised of a hydraulic cement, sufficient water to fo... | 09/09/2003 |
| 6596074 | Cementitious product with phosphorescense The present invention pertains to the use of phosphorescent pigments in cementious materials and allied applications, specifically in use for tile mortars and grouts, pool plasters, wall plasters, cementious roofing materials, cementious surface coatings,... | 07/22/2003 |
| 6592660 | Methods and compositions for forming permeable cement sand screens in well bores Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, a particulate cross-linked gel containing an internal breaker which after time causes the gel to... | 07/15/2003 |
| 6572696 | Technological additive for agglomerating projectable building materials and utilization of the additive in projected mortars and concretes New additive for projectable agglomerating materials in the building industry, said additive comprising at least one clay of rheologic grade, preferably sepiolite, a water reducer/fluidifier and an aeration agent, as well as the utilization of said additi... | 06/03/2003 |
| 6494951 | Cementing compositions using dry cementitious materials having improved flow properties Cement compositions and methods of cementing within subterranean formations penetrated by well bores wherein the flow properties of one or more dry particulate cementitious materials are improved and wherein the materials can be readily conveyed out of st... | 12/17/2002 |
| 6475275 | Cement composition A cement composition contains 35-85% by weight of a cement, 3-15% by weight of a clay, 1-50% by weight of an aggregate and/or a fibrous material, and 0.2-5% by weight of a high efficiency retarder. A benefit of the present invention is that equipment used... | 11/05/2002 |
| 6364945 | Methods and compositions for forming permeable cement sand screens in well bores Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, an acid soluble particulate solid, a liquid hydrocarbon solvent soluble particulate solid, a par... | 04/02/2002 |
