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Class 507/238 - Organic component is a phosphate ester


Subclass of Class 507 - Earth boring, well treating, and oil field chemistry
Definition: Compositions wherein the organic component is a phosphate
No. of patents: 128
Last issue date: 04/17/2012


1        
NumberTitleIssue Date
8158562Delayed 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
8119575Methods 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
8084401Non-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
8017562Gelled 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
7972996Gelled 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
7956017Aggregating 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
7947632Gelled 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
7419937Method 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
7395863Method 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
7341103Compositions 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
7331393Subsea 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
7328744Methods 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
7314850Methods 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
7293611CO 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
7271132Metallic 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
7268100Shale 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
7261158Coarse-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
7261157Methods 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
7238646Invertible 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
7196040Microcapsule 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
7188676Method 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
7179485Hollow 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
7168490Optimized 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
7163060Difunctional 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
7134496Method 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
7084094Process 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
7036592High 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
7026272Methods 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
7017665Strengthening 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
6995120Scale 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
6992048Methods 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
6989354Invertible 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
6939832Process 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
6903054Reservoir 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
6866797Corrosion 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
6770603Electrically 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
6602828Refined 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
6544934Methods 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
6387137Hydrocarbon 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
6342468Hydrocarbon 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
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