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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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7610959 |
Methods and materials for subterranean fluid forming barriers in materials surrounding wells
Disclosed is a method and material for forming a fluid barrier in the material surrounding a wellbore. The method involves temporarily opening a fracture extending from the wellbore and then...
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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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7604053 |
Methods of cementing with lightweight cement composition
Foamed cement compositions comprising density reducing additives and methods of making and using the same are disclosed. In one embodiment, a method of cementing is disclosed. The method of...
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7591313 |
Methods of treating particulates and use in subterranean formations
Provided are methods of modifying the surface stress-activated reactivity of proppant particulates used in subterranean operations. In one embodiment, the methods comprise: providing a plurality of...
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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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7576040 |
Cement compositions comprising humic acid grafted fluid loss control additives
Exemplary embodiments of the cement compositions comprise water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer. The graft copolymer...
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7559370 |
Restricting fluid passage and novel materials therefor
Water problems in the production of oil or gas from subterranean formations is addressed by providing a method of restricting passage of a fluid from a first location to a second location in a...
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7528096 |
Structured composite compositions for treatment of subterranean wells
A structured composite is comprised of particulates having particle size distribution of at least two modes and a binder. The particle size distribution is preferably bi-modal or tri-modal. The...
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7527099 |
System for sealing a space in a wellbore
A system is provided for sealing a space in a wellbore formed in an earth formation. The system has a swelleable body arranged in the wellbore in a manner so as to seal the space upon swelling of...
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7520327 |
Methods and materials for subterranean fluid forming barriers in materials surrounding wells
Disclosed is a method and material for forming a fluid barrier in the material surrounding a wellbore. The method involves temporarily opening a fracture extending from the wellbore and then...
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7510005 |
Controlling pressure and static charge build up within an annular volume of a welllbore
A process is described for replacing at least a portion of the liquid within the annular volume of a casing system within a wellbore with a second liquid. The second liquid comprising at least one...
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7500521 |
Methods of enhancing uniform placement of a resin in a subterranean formation
Methods of enhancing uniform placement of a resin in a subterranean formation comprising: introducing a preflush fluid comprising an oil-soluble diverting agent into a portion of a subterranean...
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7500519 |
Methods of modifying fracture faces and other surfaces in subterranean formations
Provided are methods of modifying the stress-activated reactivity of subterranean fracture faces and other surfaces in subterranean formations. In one embodiment, the methods comprise: providing a...
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7493957 |
Methods for controlling water and sand production in subterranean wells
Methods for stabilizing unconsolidated or weakly consolidated portions of a subterranean formation and controlling the production of water in those portions include introducing a consolidating...
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7484564 |
Delayed tackifying compositions and associated methods involving controlling particulate migration
Methods and compositions relating to delayed tackifying compositions that comprise an aqueous tackifying agent and a delayed acid-releasing activator that may be used to stabilize particulates and...
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7475727 |
Methods of improving conformance control in fractured hydrocarbon reservoirs
Three methods for improving the blocking ability of gels by improving the performance of gels in fractured reservoirs are provided. First method utilizes overload of a crosslinker, the second...
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7461697 |
Methods of modifying particulate surfaces to affect acidic sites thereon
Methods comprising: providing a treatment fluid that comprises a base fluid and a least a plurality of coated particulates, the coated particulates having been treated with a surface modification...
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7448451 |
Methods for controlling migration of particulates in a subterranean formation
Methods of controlling particulate migration in a portion of a subterranean formation comprising placing a pre-flush fluid into the portion of the subterranean formation; and then, placing a...
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7441599 |
Controlling the pressure within an annular volume of a wellbore
A process is described for replacing at least a portion of the liquid within the annular volume of a casing system within a wellbore with a second liquid. The second liquid is preselected to...
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7413010 |
Remediation of subterranean formations using vibrational waves and consolidating agents
Methods of remediating a subterranean formation comprising directing vibrational waves at a portion of the subterranean formation containing fines; allowing the vibrational waves to displace at...
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7407010 |
Methods of coating particulates
Methods comprising: providing at least a plurality of liquid hardenable resin coated particulates that have been at least partially coated with a liquid hardenable resin component; providing at...
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7401649 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Methods for controlling particulate migration
Methods are provided for stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising contacting the portion of...
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7398825 |
Methods of controlling sand and water production in subterranean zones
Methods for stabilizing portions of a subterranean formation and controlling the production of water from those subterranean formations. In one embodiment, the methods of the present invention...
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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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7387161 |
Determination of well shut-in time for curing resin-coated proppant particles
A laboratory test method employs maximum acoustic wave velocity to determine cure time of a sample of curable resin-coated proppant (CRCP) that are packed in a pressurized chamber to simulate...
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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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7363978 |
Methods of using reactive surfactants in subterranean operations
Novel uses of reactive surfactants in treating subterranean formations and/or proppant particulates are provided. In one embodiment, the present invention provides a method comprising: providing a...
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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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7350571 |
Methods of preparing and using coated particulates
The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One...
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7347264 |
Methods and compositions for well completion in steam breakthrough wells
Methods of steam flooding for stimulating hydrocarbon production are provided. In general, the methods comprise the steps of: (A) injecting a mutual solvent preflush fluid capable of dissolving oil...
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7347263 |
Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery
A composition includes water having a salinity of at least 1 ppt, at least one hydrophilic polymer containing primary (—NH 2 ) and/or secondary (—NHR) amine groups and at least one saccharide...
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7345011 |
Methods for mitigating the production of water from subterranean formations
The present invention relates to treatment operations in subterranean zones, and more particularly, to consolidation compositions and methods of using these consolidation compositions to mitigate...
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7343974 |
Method and apparatus for performing chemical treatments of exposed geological formations
A method for strengthening a wellbore with an exposed geological formation, the method including: determining or estimating material properties of the exposed geological formation; determining...
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7343973 |
Methods of stabilizing surfaces of subterranean formations
A method of treating a subterranean formation or of stabilizing a surface within a subterranean fracture comprising: providing a treatment fluid comprising lightweight proppant at least partially...
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7341106 |
Methods for wellbore strengthening and controlling fluid circulation loss
A sealant composition and methods for using the same are disclosed. In an embodiment, a method of servicing a wellbore in contact with a subterranean formation is disclosed. The method comprises...
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7328743 |
Toe-to-heel waterflooding with progressive blockage of the toe region
A modified toe-to-heel waterflooding (TTHW) process is provided for recovering oil from a reservoir in an underground formation. After establishing the conventional TTHW waterflood, the process...
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7326670 |
Well service fluid and method of making and using the same
A well service fluid comprising one or more anionic viscoelastic surfactants and one or more polymers is described. The fluids can contain an aqueous or non-aqueous fluid and/or a buffer for...
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7308939 |
Methods of using polymer-coated particulates
Methods are provided including a method comprising: providing a treatment fluid comprising particulates at least partially coated with a polymer, wherein the polymer is deposited on the...
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7306037 |
Compositions and methods for particulate consolidation
A method of consolidating a proppant particulates comprising substantially coating proppant particulates with an integrated consolidation fluid comprising a hardening agent that itself comprises a...
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7306035 |
Process for treating a formation
A method of introducing an oil field or gas field production chemical into a hydrocarbon-bearing porous subterranean formation penetrated by a wellbore comprising: injecting a gelling composition...
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7304098 |
Hydrogel for use in downhole seal applications
The present invention is a composition for forming seals. The composition includes a base material and a hydrogel. The base materials is preferably an elastomer or a thermoplastic. Seals formed...
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7300973 |
Composition for recovering hydrocarbon fluids from a subterranean reservoir
A composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent...
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7299875 |
Methods for controlling particulate migration
Many methods are provided including methods of stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising...
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7299871 |
Sealing compositions and associated method of use
The present invention relates to sealing compositions and associated methods. In one embodiment, the present invention provides sealing compositions that comprise a viscous liquid polymer and a...
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7296625 |
Methods of forming packs in a plurality of perforations in a casing of a wellbore
The invention provides a method of forming packs in a plurality of perforations in a casing of a wellbore, the method comprising the steps of: (a) forming a plug of a plugging particulate material...
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7287586 |
Compositions and methods for plugging and sealing a subterranean formation
The invention provides for a composition for treating a subterranean formation, the composition comprising a water-swellable agent and a sealing agent. Preferably, the water-swellable agent: i)...
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7284611 |
Methods and compositions for controlling lost circulation in subterranean operations
A lost circulation composition, that comprises a first portion of particles having a weight mean particle size of less than about 20 microns, a second portion of particles having a weight mean...
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7273099 |
Methods of stimulating a subterranean formation comprising multiple production intervals
A method of stimulating a production interval adjacent a well bore having a casing disposed therein, that comprises introducing a carrier fluid comprising first particulates into the well bore,...
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7270879 |
Particulate material containing thermoplastics and methods for making and using the same
Disclosed herein is a particle comprising a particulate substrate; and a thermoplastic elastomer present on or in the substrate as an amount sufficient to improve the dust suppression of the...
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