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| Application No. | Application Title | Issue Date |
| 20120071366 | COMPLEMENTARY SURFACTANT COMPOSITIONS AND METHODS FOR MAKING AND USING SAME Complementary surfactant systems and downhole fluids made using the systems are disclosed along with methods for making and using same, where the surfactant systems include from 0 wt. % to 100 wt. % of a first surfactant subsystem, from 100 wt. % to 0 wt. % of a second ... | 03/22/2012 |
| 20120048547 | METHOD OF GRAVEL PACKING Gravel packing a region of a wellbore is carried out using one or more hydrophobically-surfaced particulate materials as the gravel. Placing the gravel pack is carried out using an aqueous carrier liquid, with hydrophobic particulate material suspended in the liquid and... | 03/01/2012 |
| 20120043085 | WELLBORE SERVICE FLUID AND METHODS OF USE A method is described to predict the composition of favorable bridging agents for a particular situation in which the solution thermodynamics of the chemicals used in the composition of the bridging material is carefully evaluated. Wellbore service fluids are also descr... | 02/23/2012 |
| 20120000651 | HIGH SOLIDS CONTENT SLURRY SYSTEMS AND METHODS A method includes providing a slurry comprising a carrier fluid and a solids mixture, and injecting said slurry in a wellbore wherein the solids mixture comprises at least two volume-averaged particle size distribution (PSD) modes, wherein a first PSD mode comprises sol... | 01/05/2012 |
| 20110312857 | Drilling, Drill-In and Completion Fluids Containing Nanoparticles for Use in Oil and Gas Field Applications and Methods Related Thereto Drilling, drill-in and completion fluids containing nanoparticles for use in hydrocarbon drilling and recovery processes and methods related thereto are provided. The fluids also include a dual acting shield agent that shields the nanoparticles and also acts as a viscos... | 12/22/2011 |
| 20110312858 | COMPOSITION AND METHODS FOR OILFIELD APPLICATION The invention provides a method made of steps of providing a composition comprising a first chemical component and a degradable protective layer, wherein the degradable protective layer is at least partially degradable when subject to temperature, pH or time; and introd... | 12/22/2011 |
| 20110303408 | CONCENTRATION OF MINOR CONSTITUENT OF WELLBORE FLUID A method of processing an aqueous fluid produced from a wellbore in order to collect or remove a minor constituent therefrom, comprises adding one or more solutes to the aqueous fluid so as to form an aqueous mixture which separates into two aqueous phases in contact wi... | 12/15/2011 |
| 20110306525 | AQUEOUS DISPLACEMENT FLUID INJECTION FOR ENHANCING OIL RECOVERY FROM AN OIL BEARING FORMATION A method for enhancing recovery of crude oil from a porous subterranean formation of which the pore spaces contain crude oil and connate water comprises:—determining the Ionic Strength (Mol/l) of the connate water; and—injecting an aqueous displacement fluid having ... | 12/15/2011 |
| 20110297375 | COMPOSTION FOR BOREHOLE TREATMENT The invention is a composition, for use in treating oil wells, comprising fibres, hot melt adhesives and particulate solids. This composition has a wide range of applications including preventing or lessening lost circulation, wellbore strengthening or consolidation, co... | 12/08/2011 |
| 20110290506 | DOWNHOLE MAGNETIC PARTICLE DELIVERY SYSTEM FOR OIL AND GAS WELLS The subject disclosure discloses an apparatus and method of conveying magnetic particles into a wellbore. A plurality of particles which are magnetically attracted to one another in response to exposure to a magnetic field are delivered downhole via a degradable materia... | 12/01/2011 |
| 20110284225 | Shear Tolerant Aqueous Based Fracturing Fluids and Methods A method comprises providing a treatment fluid comprising a gelling agent, an aqueous base fluid, a buffer composition comprising a plurality of salts, and a crosslinking agent; and contacting a subterranean formation with the treatment fluid. The method may be used in ... | 11/24/2011 |
| 20110287985 | METHODS AND SYSTEMS FOR TREATING SUBTERRANEAN WELLS The present invention is directed to a method and system for treating a well having a wellbore extending from a ground surface or subsea surface downhole to an oil producing formation. Oil producing formations are capable of generating formation fluids into a wellbore. ... | 11/24/2011 |
| 20110284228 | Increasing the Viscosity of Viscoelastic Fluids In hydrocarbon recovery applications, viscoelastic surfactant (VES) gelled fluids may be preheated to a temperature that will increase viscosity of the VES gelled fluid. The preheated VES gelled fluid retains at least a portion of its preheated viscosity when cooled suc... | 11/24/2011 |
| 20110232910 | PARTICLE-LOADED WASH FOR WELL CLEANUP The invention consists in loading a chemical wash fluid with solid particles to enhance annulus cleanup prior to placing cement slurries (or during the completion phase). The presence of solid particles in a low-viscosity fluid will induce an abrasive cleanup of all sof... | 09/29/2011 |
| 20110237467 | NANOPARTICLE-DENSIFIED COMPLETION FLUIDS The present invention is directed to completion fluid compositions and methods of making same. Such completion fluids are unique in that they utilize nanoparticles as weighting (densification) agents that increase the specific gravity (or density) of the fluid into whic... | 09/29/2011 |
| 20110214874 | NON-AQUEOUS BREAKER FLUIDS AND METHODS OF USE THEREOF A method of cleaning a wellbore drilled with an oil-based drilling fluid that forms an oil-based filter cake where the method includes: emplacing a breaker fluid into the wellbore, the breaker fluid comprising: a water-miscible non-aqueous fluid; at least one weighting ... | 09/08/2011 |
| 20110198089 | METHODS TO REDUCE SETTLING RATE OF SOLIDS IN A TREATMENT FLUID The invention discloses a method of treating a subterranean formation of a well bore, comprising: providing a treatment fluid comprising a carrier fluid, proppant, a viscosifying agent and a viscosifier material, wherein the viscosifier material is inactive in a first s... | 08/18/2011 |
| 20110195875 | ENCAPSULATED REACTANT AND PROCESS An encapsulated reactant(s) having at least one encapsulant and at least one reactant. An outermost encapsulant is substantially nonreacting, impermeable and nondissolving with water. The reactant(s) contribute to at least one reaction with contaminants in environmental... | 08/11/2011 |
| 20110172130 | Treatment Fluids Comprising Vitrified Shale and Methods of Using Such Fluids in Subterranean Formations Methods and compositions for the treatment of subterranean formations, and more specifically, treatment fluids containing vitrified shale and methods of using these treatment fluids in subterranean formations, are provided. A method of displacing a fluid in a wellbore c... | 07/14/2011 |
| 20110166047 | NITROGEN-FREE INVERT EMULSION WELLBORE FLUID An invert emulsion wellbore fluid comprising an oleaginous continuous phase, an aqueous discontinuous phase, and an emulsifying fluid, wherein the emulsifying fluid comprises an aliphatic alcohol and a glycoside, is disclosed.... | 07/07/2011 |
| 20110155371 | HIGH SOLIDS CONTENT SLURRIES AND METHODS A slurry and method are disclosed for low damage gravel packing. The slurry comprises a solids mixture comprising a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75; a carrier fluid in an amount to... | 06/30/2011 |
| 20110160096 | Methods and Compositions Comprising a Dual Oil/Water-Swellable Particle Methods and compositions are provided that relate to well bore treatments that comprise swellable particles. An embodiment includes a method that comprises introducing a fluid comprising a dual oil/water-swellable particle into a subterranean formation. Another embodime... | 06/30/2011 |
| 20110152135 | VISCOELASTIC SURFACTANT ACID TREATMENT A method of treating a subterranean formation penetrated by a wellbore involves introducing an acid treatment fluid through the wellbore into the formation. The treatment fluid is formed from a zwitterionic viscoelastic surfactant, an acid in an amount to provide the tr... | 06/23/2011 |
| 20110139454 | Method for Providing Thixotrophy to Fluids Downhole A method of providing thixotropy to a fluid downhole comprising: adding an encapsulated thixotropic agent to a fluid at the surface; introducing the fluid into a borehole; and subjecting the fluid to a shearing action so as to release the thixotropic agent into the flui... | 06/16/2011 |
| 20110132617 | SYSTEMS AND METHODS FOR PRODUCING OIL AND/OR GAS A system for producing oil and/or gas comprising a formation comprising a mixture of oil and/or gas and an enhanced oil recovery mixture comprising an additive to increase an auto-ignition temperature of the mixture and a carbon disulfide formulation and/or a carbon oxy... | 06/09/2011 |
| 20110136707 | ENGINEERED POWDER COMPACT COMPOSITE MATERIAL An engineered dispersed particle-cellular nanomatrix composite material is disclosed. The engineered dispersed particle-cellular nanomatrix composite material is configured for contact with a fluid and configured to provide a selectable and controllable transition from ... | 06/09/2011 |
| 20110127039 | SYSTEM, METHOD, AND APPARATUS FOR ACID FRACTURING WITH SCALE INHIBITOR PROTECTION A method for treating a subterranean formation includes forming a treatment fluid including a carrier fluid, a solid acid-precursor, and a solid scale inhibitor. The solid acid-precursor includes a material that forms an acid at downhole conditions in the subterranean f... | 06/02/2011 |
| 20110105370 | BREAKERS FOR GELLED FRACTURING FLUIDS A fracturing fluid for a downhole environment is disclosed, comprising a water-sensitive gel; and a hydrated breaker. A fracturing fluid for a downhole environment is also disclosed, the fracturing fluid comprising a water-sensitive carrier and a breaker, the breaker co... | 05/05/2011 |
| 20110094737 | SHEAR-ACTIVATED VISCOELASTIC SURFACTANT FLUID AND METHOD A well treatment composition is formed from a fluid mixture of a viscoelastic surfactant and a liquid carrier fluid. The fluid mixture has rheological properties wherein the mixture exhibits shear-thickening behavior when the shear rate is increased from a first shear r... | 04/28/2011 |
| 20110082058 | EQUIPMENT AND METHODS FOR PREPARING CURED FIBERS Equipment and methods for preparing curved fibers in a batch or continuous process. Fiber strands comprising a thermoplastic material are placed on a cylindrical surface and heated such that they soften and become malleable. The fiber strands assume the curvature of the... | 04/07/2011 |
| 20110048721 | DI-FUNCTIONAL SURFACTANTS FOR ENHANCED OIL RECOVERY The present invention describes the synthesis and use of cleavable di-functional anionic surfactants for enhanced oil recovery applications and/or the use of sacrificial surfactants.... | 03/03/2011 |
| 20110053813 | METHODS TO REDUCE SETTLING RATE OF SOLIDS IN A TREATMENT FLUID The invention discloses a method of treating a subterranean formation of a well bore: providing a treatment fluid made of: a fluid; a particulate material, and a viscosifier material; wherein the viscosifier material is inactive in a first state and is able to increase ... | 03/03/2011 |
| 20110053811 | METHODS FOR PREVENTING OR REMEDIATING XANTHAN DEPOSITION Methods for remediation and/or prevention of polymer deposition on surfaces, in particular, on surfaces of drilling machinery and earth formations in the petroleum industry are described herein. Embodiments disclosed herein relate to a method of remediating xanthan depo... | 03/03/2011 |
| 20110028358 | Methods of Fluid Loss Control and Fluid Diversion in Subterranean Formations Improved methods of placing and/or diverting treatment fluids in subterranean formations are provided. In one embodiment, the methods comprise introducing a treatment fluid into a subterranean formation penetrated by a well bore, wherein the treatment fluid comprises: a... | 02/03/2011 |
| 20110024128 | Enhancing Emulsion Stability The present invention is directed to methods and apparatuses for generating an emulsion with enhanced stability. The methods include forming a stressed emulsion fluid using a high-shear mixer and stressing the emulsion by microporous flow, aging, heating, or another pro... | 02/03/2011 |
| 20110021386 | MICROEMULSION TO IMPROVE SHALE GAS PRODUCTION BY CONTROLLING WATER IMBIBITION The invention provides a method for treating tight gas sand and shale subterranean formations, the method comprising: forming a solvent-surfactant blend by combining a solvent, a surfactant and a co-surfactant; adding a diluent to the solvent-surfactant blend to form a ... | 01/27/2011 |
| 20110005969 | COMPOSITIONS AND PROCESSES FOR FRACTURING SUBTERRANEAN FORMATIONS The present invention is directed to novel additives packages, to fluid compositions including the additives, to methods of using the fluid compositions and the additives package, to methods of recovering hydrocarbons, and to petroleum products made from hydrocarbons de... | 01/13/2011 |
| 20100331223 | Acidic Viscosity Enhancer for Viscoelastic Surfactant Fluids The invention discloses method of treating a subterranean formation of a well bore, the method comprising: providing a treatment fluid comprising: an aqueous base fluid; a viscosity enhancer; and a viscoelastic surfactant, wherein the enhancer is acid in the aqueous bas... | 12/30/2010 |
| 20100323932 | METHODS FOR TREATING A WELL OR THE LIKE A method is disclosed where introducing into a wellbore a degradable material stabilized in a non-aqueous based fluid.... | 12/23/2010 |
| 20100319919 | APPLICATION OF DEGRADABLE FIBERS IN INVERT EMULSION FLUIDS FOR KILL PILLS A method of treating a subterranean formation includes pumping into a cased, perforated wellbore that intersects the formation an invert emulsion kill fluid, the invert emulsion kill fluid comprising: an oleaginous continuous phase; a non-oleaginous discontinuous phase;... | 12/23/2010 |
