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| Number | Title | Issue Date |
| 8158562 | Delayed hydrocarbon gel crosslinkers and methods for making and using same A cross-link delaying or retarding composition, a cross-linking system including the cross-link delaying or retarding composition, or a fracturing fluid including a cross-linking system and a cross-link delaying or retarding composition are disclosed along with meth... | 04/17/2012 |
| 8119575 | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids Among other things, methods of treating a subterranean formation with gelled hydrocarbon fluids are provided. In certain embodiments, these methods comprise the steps of providing a gelled liquid hydrocarbon treatment fluid comprising a liquid hydrocarbon and a gell... | 02/21/2012 |
| 8084401 | Non-volatile phosphorus hydrocarbon gelling agent New fluids are disclosed for use in servicing subterranean formations containing oil and gas. In particular, an improved chemical gelling additive for hydrocarbon based fracturing fluids is disclosed having reduce, negligible or no volatile phosphorus at temperature... | 12/27/2011 |
| 8017562 | Gelled hydrocarbons for oilfield processes, phosphate ester compounds useful in gellation of hydrocarbons and methods for production and use thereof Phosphate esters useful for gelling hydrocarbons in combination with a metal source are disclosed along with methods of preparation of the phosphate esters. Fouling in oil refinery towers has been attributed due to distillation of impurities present in phosphate est... | 09/13/2011 |
| 7972996 | Gelled hydrocarbons for oilfield processes, phosphate ester compounds useful in gellation of hydrocarbons and methods for production and use thereof Phosphate esters useful for gelling hydrocarbons in combination with a metal source are disclosed along with methods of preparation of the phosphate esters. Fouling in oil refinery towers has been attributed due to distillation of impurities present in phosphate est... | 07/05/2011 |
| 7956017 | Aggregating reagents, modified particulate metal-oxides and proppants A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity of the materials. Treated solid materials are also disclosed. The me... | 06/07/2011 |
| 7947632 | Gelled hydrocarbons for oilfield processes, phosphate ester compounds useful in gellation of hydrocarbons and methods for production and use thereof Phosphate esters useful for gelling hydrocarbons in combination with a metal source are disclosed along with methods of preparation of the phosphate esters. Fouling in oil refinery towers has been attributed due to distillation of impurities present in phosphate est... | 05/24/2011 |
| 7419937 | Method for providing treatment chemicals in a subterranean well A method of delivering chemicals such as scale inhibitor into a wellbore producing fluids includes providing the chemicals, in a slow-release form, in a container located in the path of the production fluids so that the production fluids pass through the container. ... | 09/02/2008 |
| 7395863 | Method of treating a subterranean formation with an oil-based composition containing a polysaccharide-based water-superabsorbent material A well treating composition containing a polysaccharide-based water-superabsorbent material has particularly applicability as a thermal insulating, fracturing or acid stimulation fluid. The water-superabsorbent material is capable of absorbing, at a minimum, its own... | 07/08/2008 |
| 7341103 | Compositions and methods for treating subterranean formations with liquefied petroleum gas The present invention relates to gelled fluids and methods for using liquefied petroleum gas in subterranean operations. More particularly, the present invention relates to servicing fluids that comprise gelled liquefied petroleum gas or servicing fluids that compri... | 03/11/2008 |
| 7331393 | Subsea lubricator device and methods of circulating fluids in a subsea lubricator Subsea lubricator device, comprising a blowout preventer assembly, a tool housing assembly and a stuffing box, intended to be located at a subsea Christmas tree, and methods of circulating fluids in a subsea lubricator. The device comprises a blowout preventer (4... | 02/19/2008 |
| 7328744 | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids In one embodiment, a method of treating a subterranean formation is provided comprising the steps of providing a gelled liquid hydrocarbon treatment fluid comprising a liquid hydrocarbon and a gelling agent that comprises a polyvalent metal salt of an organophosphon... | 02/12/2008 |
| 7314850 | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids Improved methods and compositions for treating subterranean formations penetrated by well bores are provided. A method for breaking a gelled hydrocarbon fluid comprised of a hydrocarbon liquid, a ferric iron or aluminum polyvalent metal salt of a phosphonic acid est... | 01/01/2008 |
| 7293611 | CO miscible optimized hydrocarbon blends and methods of using CO miscible optimized hydrocarbon blends A method of treating a subterranean formation comprising the steps of providing a servicing fluid comprising carbon dioxide and a hydrocarbon blend, wherein the hydrocarbon blend comprises at least about 65% hydrocarbons having from six carbons (C6) to el... | 11/13/2007 |
| 7271132 | Metallic soaps of modified fatty acids and rosin acids and methods of making and using same A superior powder form of a metallic soap for enhancing the properties of an invert emulsion drilling fluid may be prepared by a dry process saponification reaction. The process includes mixing a source of metal cations with the product of a Diels-Alder reaction of ... | 09/18/2007 |
| 7268100 | Shale inhibition additive for oil/gas down hole fluids and methods for making and using same An under-balanced drilling fluid additive is disclosed which reduces reactive shale and/or clay swelling during under-balanced drilling operations, where the additive includes an effective amount of a choline salt. A method for under-balanced drilling is also disclo... | 09/11/2007 |
| 7261158 | Coarse-foamed fracturing fluids and associated methods A method of fracturing a subterranean formation comprising the steps of: providing a coarse-foamed fracturing fluid comprising a liquid fracturing fluid component, a gas, proppant particulates, and a foaming agent; and placing the coarse-foamed fracturing fluid into... | 08/28/2007 |
| 7261157 | Methods of controlling particulate segregation in slurries Methods for controlling particulate segregation comprising providing a mixture of an aqueous tackifying composition with a treatment fluid; slurrying the mixture with a first type of solid particulates and a second type of solid particulates and wherein the first ty... | 08/28/2007 |
| 7238646 | Invertible well bore servicing fluid A method for using an invert emulsion fluid in a well bore, comprising placing an invert emulsion fluid in a well bore, wherein the invert emulsion fluid comprises an oleaginous fluid, a non-oleaginous fluid and an emulsifier comprising one or more amines generally ... | 07/03/2007 |
| 7196040 | Microcapsule well treatment A material and a device for releasing chemicals in a fluid environment is disclosed, and a method for releasing substances into downhole fluid environments. The invention also relates to materials for sand control and hydraulic fracturing. The substance release devi... | 03/27/2007 |
| 7188676 | Method for displacing oil base drilling muds and/or residues from oil base drilling mud using water-in-oil emulsion Fluid producing wells may be treated with a water-in-oil emulsion for the removal or inhibition of unwanted solid particulates, including pipe dope, asphaltenes and paraffins. Such emulsions are of particular applicability in the displacement of oil base drilling mu... | 03/13/2007 |
| 7179485 | Hollow capsule having a wall permeable to water or an aqueous solution This invention discloses, as an article of manufacture, a capsule having a hollow interior and an enclosing wall, referred to as a membrane. The membrane is not soluble in water, but is permeable to water or an aqueous solution. The membrane is comprised of a first ... | 02/20/2007 |
| 7168490 | Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends The present invention relates to servicing fluids for use in subterranean operations. More particularly, the present invention relates to improved servicing fluids comprising optimized hydrocarbon blends and methods of using such servicing fluids in subterranean for... | 01/30/2007 |
| 7163060 | Difunctional phosphorus-based gelling agents and gelled nonaqueous treatment fluids and associated methods The present invention provides methods of treating a portion of a subterranean formation, one of which includes: providing a gelled nonaqueous treatment fluid that comprises a nonaqueous base fluid and a difunctional gelling agent that comprises a polyvalent metal s... | 01/16/2007 |
| 7134496 | Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion Single phase microemulsions improve the removal of filter cakes formed during drilling with invert emulsions. The single phase microemulsion removes oil and solids from the deposited filter cake. Optionally, an acid capable of solubilizing the filter cake bridging p... | 11/14/2006 |
| 7084094 | Process for altering the relative permeability if a hydrocarbon-bearing formation A process for treating a hydrocarbon-bearing formation having at least one hydrocarbon bearing zone and at least one water bearing zone wherein the ratio of the permeability of the hydrocarbon bearing zone(s) to the permeability of the water bearing zone(s) is in th... | 08/01/2006 |
| 7036592 | High strength particles and methods of their use in subterranean operations The present invention relates to composite particulates comprising a base material and a nanoparticle material. One embodiment of the present invention provides a method of using a sintered composite particulate in a subterranean application comprising providing a s... | 05/02/2006 |
| 7026272 | Methods and compositions for sealing oil containing subterranean zones The present invention provides methods and compositions for sealing subterranean zones containing oil to prevent the uncontrolled flow of fluids into or from the zones. The compositions basically comprise water, a phosphonic acid ester, a multivalent metal ion relea... | 04/11/2006 |
| 7017665 | Strengthening near well bore subterranean formations The present invention relates to improved methods for completing well bores along producing zones and, more particularly, to methods for strengthening near well bore subterranean formations. Some embodiments of the present invention provide a method of strengthening... | 03/28/2006 |
| 6995120 | Scale control composition for high scaling environments Barium sulfate and/or calcium carbonate scale inhibitor composition composed of a water-soluble polymer having incorporated phosphate functionality, the polymer being formed from at least one ethylenically unsaturated carboxylic acid monomer, at least one ethylenica... | 02/07/2006 |
| 6992048 | Methods of generating gas in well treating fluids The present invention relates to methods of generating gas in and foaming well treating fluids during pumping of the treating fluids or after the treating fluids are placed in a subterranean zone, or both. A method of the present invention provides a method of makin... | 01/31/2006 |
| 6989354 | Invertible well bore servicing fluid An invert emulsion fluid, method for making same, and method for using same as a servicing fluid in a well bore. The invert emulsion fluid contains an oleaginous fluid, a non-oleaginous fluid, and an emulsifier comprising one or more amines generally represented by ... | 01/24/2006 |
| 6939832 | Process for treating an oil well Method of treating a subterranean formation, comprising (A) injecting down a well bore into the formation an admixture of (a) an emulsion having an internal aqueous phase comprising a water-soluble oil of gas field chemical or an aqueous dispersion of a water-disper... | 09/06/2005 |
| 6903054 | Reservoir treatment fluids A method of treating a hydrocarbon-containing formation is disclosed. The method includes injecting a well treating fluid into a well, wherein the well treating fluid includes a self-diverting acid that includes about 1% to 30% by weight of at least one acid selecte... | 06/07/2005 |
| 6866797 | Corrosion inhibitors and methods of use A class of quaternary ammonium compounds are found to be effective as corrosion inhibitors. These quaternary ammonium compounds may be used alone or in combination with additional components. For example, phosphate esters can be used with the quaternary ammonium com... | 03/15/2005 |
| 6770603 | Electrically conductive non-aqueous wellbore fluids A wellbore fluid having a non-aqueous continuous liquid phase that exhibits an electrical conductivity increased by a factor in order of 104 to 107 compared to conventional invert emulsion comprises from about 0.2% to about 10% by volume of car... | 08/03/2004 |
| 6602828 | Refined oil gelling system A fracturing fluid is provided for use in fracturing subterranean formations. It comprises a hydrocarbon base. In the base, acidified alkyl phosphate esters are complexed with metallic cations, to form a gel.... | 08/05/2003 |
| 6544934 | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids Improved methods and compositions for treating subterranean formations penetrated by well bores are provided. A method for breaking a gelled hydrocarbon fluid comprised of a hydrocarbon liquid, a ferric iron or aluminum polyvalent metal salt of a phosphon... | 04/08/2003 |
| 6387137 | Hydrocarbon gels Liquid hydrocarbons are gelled by the introduction of a phosphate ester and a crosslinking agent. Gelling times and viscosities are improved through the use of an enhancer which is, preferably, an oxyalkylated amine or a blend of an oxyalkylated amine wit... | 05/14/2002 |
| 6342468 | Hydrocarbon gelling compositions useful in fracturing formations The invention relates to compositions and methods for gelling liquid hydrocarbons by the introduction of certain phosphate esters, a crosslinking agent, and an enhancer. The enhancer of the present invention is preferably an oxyalkylated amine or a blend ... | 01/29/2002 |