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7612021 |
Methods and compositions utilizing lost-circulation materials comprising composite particulates
Disclosed embodiments relate to compositions and methods for using a composite particulate comprising a cellulosic fiber and a filler as a lost-circulation material. An example of a method of...
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7608566 |
Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
Particulate compositions that comprise macro-particulates, and degradable particulates in an amount sufficient to reduce friction between the macro-particulates, the degradable particulates having...
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7607484 |
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...
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7607483 |
Sealant compositions comprising colloidally stabilized latex and methods of using the same
Sealant compositions comprising a colloidally stabilized latex and methods of using the same to service a wellbore are provided. The sealant compositions may include: an aliphatic conjugated diene...
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7607482 |
Settable compositions comprising cement kiln dust and swellable particles
A variety of methods and compositions are disclosed herein, including, in one embodiment, a method comprising: introducing a settable composition into a subterranean formation, wherein the settable...
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7578347 |
Method of sealing an annular space in a wellbore
A method of sealing a space in a wellbore formed in an earth formation comprises inserting a plurality of swellable particles into the space by pumping them in a carrier fluid, the particles being...
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7578346 |
Method of plugging fractured formation
A material and method for treating a fractured formation penetrated by a wellbore includes providing a quantity of resin coated particles having a particle size of from about 0.2 mm to about 2.35...
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7576042 |
Salt water stable latex cement slurries
A method of servicing a wellbore comprising preparing a cement slurry by premixing at least one latex, at least one stabilizer, and optionally water to form a homogeneous solution, further mixing...
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7544641 |
Rapid setting plugging compositions for sealing subterranean formations
Rapid setting plugging compositions comprising oil, clay, magnesium chloride, and magnesium oxide powder are provided for sealing permeable zones in subterranean formations. The permeable zones may...
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7543642 |
Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
Cement compositions comprising flexible, compressible beads, processes for preparing such cement compositions, and methods of cementing in subterranean formations using such cement compositions....
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7530396 |
Self repairing cement compositions and methods of using same
A method of servicing a wellbore comprising placing a cement composition comprising a cementitious material, water, and an elastomeric material comprising a bonding polar group into a wellbore, and...
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7530395 |
Methods of using wellbore servicing compositions
A method of servicing a wellbore comprising placing in the wellbore a composition comprising a calcium aluminate cement and at least one gelation inhibitor, and allowing the composition to set. A...
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7527098 |
Methods of increasing the thickening times of phosphate-based cementitious compositions in high-temperature wellbores
A wellbore may be cemented by preparing a cementitious composition comprising water, a metal oxide or hydroxide compound, a phosphate compound, a borate compound, and a sugar, followed by...
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7500520 |
Method of cementing well bores
A method of cementing an oil well with a silicate-forming gel solution and an acid-soluble cement separated by a polymeric spacer which permits solubilization and removal of the cement by HCl in...
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7497258 |
Methods of isolating zones in subterranean formations using self-degrading cement compositions
Methods of isolating particular zones within a subterranean formation utilizing self-degrading cement compositions are provided. An example of a method of the present invention is a method that...
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7478675 |
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...
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7459019 |
Cement compositions for high temperature applications
In a process to design high temperature cement sluries, the temperature stable phases (anorthite, wairakite) are selected; aluminum modifiers and silica oxides are added to the dry cement so that...
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7458424 |
Tight formation water shut off method with silica gel
A delayed gelling system useful in conformance control in the production of petroleum from subterranean formations, especially low permeability formations, is disclosed. The gelling system...
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7448450 |
Drilling and cementing with fluids containing zeolite
Methods and compositions for cementing, especially drilling fluids that comprise zeolite and a carrier fluid, and cementing compositions made with such drilling fluids.
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7448449 |
Strength retrogression preventer
Cementitious slurries capable of controlling and/or preventing strength retrogression during the cementing of a formation contain a bismuth salt or derivative thereof. Bismuth trioxide is...
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7422061 |
Fluid loss additives and methods
Nonionic derivatized starch of varying degrees of substitution may be used as a fluid loss additive for well bore cementing operations. A well bore cementing composition may include a cement and a...
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7413014 |
Foamed fly ash cement compositions and methods of cementing
Methods of cementing and low density foamed cement compositions therefor are disclosed. A low density foamed cement composition of the invention comprises fly ash comprising calcium oxide or...
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7407008 |
Weighted zero solids loss circulation, fluid loss and insulating annular space fluid systems
Loss circulation fluids contain aqueous based compositions having at least one alkali metal formate and at least one thermally activated self-crosslinkable gel forming material, wherein the...
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7402204 |
Flexible cementing compositions and methods for high-temperature wells
A well cementing composition comprises an hydraulic cement and flexible, acrylonitrile-butadiene copolymer particulate material. A method of cementing a well comprises mixing the composition with...
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7398828 |
Well cementing slurries containing fibers
The problem of fiber or particle settling in well cement slurries is addressed by providing a fluid containing two fiber components of differing properties. Such a well treatment fluid, comprising...
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7398827 |
Methods for high temperature lightweight cementing
Methods for performing cementing operations in a subterranean zone under high temperature conditions include forming a cementing composition having a density of less than about 10.5 pounds per...
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7395860 |
Methods of using foamed settable compositions comprising cement kiln dust
The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the...
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7388045 |
Cement compositions comprising lignite grafted fluid loss control additives
Novel well cement compositions are provided. Exemplary embodiments of the well cement compositions comprise water, a cement and a fluid loss control additive comprising a graft polymer. The graft...
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7384893 |
Cement compositions with improved fluid loss characteristics and methods of cementing in surface and subterranean applications
Cement compositions comprising an improved fluid loss control additive are provided. The cement compositions are suitable for use in surface and subterranean applications. The cement compositions...
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7373982 |
Cements for use across formations containing gas hydrates
A method of servicing a wellbore in a subterranean formation, comprising preparing a cement composition comprising water, a cementitious material, and a gas hydrate inhibitor, and placing the...
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7360598 |
Method of using lignite grafted fluid loss control additives in cementing operations
Methods of cementing in a subterranean formation are provided. An exemplary embodiment comprises introducing a cement composition into a subterranean formation. The cement composition comprises...
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7350575 |
Methods of servicing a wellbore with compositions comprising Sorel cements and oil based fluids
A method of servicing a wellbore in contact with a subterranean formation comprising placing in the wellbore a composition comprising a metal oxide, a soluble salt, a surfactant and an oleaginous...
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7350574 |
Methods of retarding the setting of a cement composition using biodegradable monomers
Methods of retarding the setting of a cement composition comprise including one or more secondary amines substituted with a carboxyl group or salts thereof (e.g., 3-hydroxy N,N′-iminodisuccinic...
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7338923 |
Settable drilling fluids comprising cement kiln dust
Settable drilling fluids that comprise an aqueous-based drilling fluid and cement kiln dust. Methods of cementing in a subterranean formation that comprise providing a settable drilling fluid...
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7337842 |
Methods of using cement compositions comprising high alumina cement and cement kiln dust
The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas....
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7325611 |
Cement compositions for reducing gas or water migration and methods of using the same
A method of cementing a wellbore comprising preparing a cement composition comprising a water-soluble aromatic sulfonated polymer, and placing the cement composition into the wellbore, wherein the...
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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.
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7303014 |
Casing strings and methods of using such strings in subterranean cementing operations
Improved casing strings, and methods of using improved casing strings in subterranean cementing operations, are provided. An example of an apparatus is a pipe string comprising at least one pipe...
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7297664 |
Cement-free zeolite and fly ash settable fluids and methods therefor
Zeolite and Class F fly ash compositions are provided for use as cement-free settable fluids such as settable spotting fluids and cementitious compositions.
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7284609 |
Methods of using settable spotting compositions comprising cement kiln dust
Exemplary embodiments include settable spotting compositions that comprise cement kiln dust and associated methods of use. Exemplary embodiments also include methods that comprise providing a...
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7278483 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Methods of using cement compositions comprising phosphate compounds in subterranean formations
Methods of using cement compositions comprising phosphate compounds in subterranean formations are provided. An example of a method is a method of cementing in a subterranean formation. Other...
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7273103 |
Cement compositions comprising environmentally compatible defoaming agents and methods of use
Provided herein are defoaming agents that comprise lecithin and a solvent. Optionally, they may comprise hydrophobic particles. One embodiment provides a method comprising: providing a well fluid...
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7273101 |
Delayed-gelation solution
The invention concerns an aqueous delayed-gelation solution and a method of selectively placing a delayed-gelation solution in a hydrocarbon well. According to the invention, the aqueous...
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7270183 |
Cementing methods using compressible cement compositions
A method of cementing at least two casing strings in a well bore, the method having steps as follows: filling the well bore and the inner diameters of the at least two casing strings with a cement...
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7267174 |
Methods of plugging a permeable zone downhole using a sealant composition comprising a crosslinkable material and a reduced amount of cement
A method of servicing a wellbore, comprising preparing a sealant composition comprising a crosslinkable material, a crosslinking agent, a fluid loss control additive, and water, placing the sealant...
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7267170 |
Self-degrading fibers and associated methods of use and manufacture
Methods are provided including a method of treating a portion of a subterranean formation comprising: providing a treatment fluid comprising a plurality of self-degrading fibers, the self-degrading...
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7255170 |
Foamed cement compositions, additives, and associated methods
Exemplary embodiments relate to cementing operations and, more particularly, to foamed cement compositions, foaming and stabilizing additives, and associated methods. A foaming and stabilizing...
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7240732 |
Dispersant compositions for cement compositions and related methods
The present invention relates to cementing operations, and more particularly to improved cement dispersants for cement compositions and methods of cementing. In one embodiment, the present...
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7219733 |
Zeolite compositions for lowering maximum cementing temperature
Zeolite compositions having a low maximum setting temperature for use in permafrost and waterwell applications are provided.
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7213647 |
Methods of sealing expandable pipe in well bores and sealing compositions
The present invention provides methods and compressible foamed sealing compositions for sealing expandable pipe in well bores. The compressible sealant compositions for sealing expandable pipe are...
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