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Patent No. 6650315

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Class 507/237 - Organic component contains a direct carbon to phosphorous nonionic bond (e.g., phosphonate, etc.)


Subclass of Class 507 - Earth boring, well treating, and oil field chemistry
Definition: Compositions wherein the organic component contains a direct
No. of patents: 85
Last issue date: 03/20/2012


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NumberTitleIssue Date
8138129Scale inhibiting particulates and methods of using scale inhibiting particulates
Scale-inhibiting particulates formed from a mixture of fly ash and a phosphonic acid curing agent wherein the fly ash is cured into a solid material by the contact with the phosphonic acid curing agent. Methods of using scale-inhibiting particulates to inhibit scale...
03/20/2012
7994101Corrosion inhibitor intensifier compositions and associated methods
Many methods are presented herein including a method comprising: providing a metal surface; and contacting the metal surface with a treatment fluid comprising an aqueous base fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition co...
08/09/2011
7947631Gelled hydrocarbons for oilfield processes and methods of use
Gelled liquid hydrocarbons and methods for gelling hydrocarbons and treating subterranean wellbores employ a phosphorus compound of the formula: wherein, X is a straight chained alkyl or alkoxy group having 5 to 18 carbon a...
05/24/2011
7915204Scale squeeze treatment systems and methods
An aqueous composition for treating hydrocarbon wells contains (a) a scale inhibitor and (b) a viscoelastic surfactant, and further contains from 0 to less than 1% by weight of acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric a...
03/29/2011
7781381Method for controlling inorganic fluoride scales
The productivity of hydrocarbons from hydrocarbon-bearing calcareous or siliceous formations is enhanced by contacting the formation with a well treatment composition which contains a hydrofluoric acid source, a boron containing compound and a phosphonate acid, este...
08/24/2010
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
7351681Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same
Well bore servicing fluids are provided that include a thermally activated viscosification compound. Further, methods of servicing a well bore are provided that include displacing such a servicing fluid into the well bore, wherein a viscosity of the servicing fluid ...
04/01/2008
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
7334640Methods for reducing the viscosity of treatment fluids
Methods of treating a subterranean formation comprising providing a viscosified treatment fluid that comprises a base fluid and a gelling agent, providing a breaker composition that comprises an oxidizing breaker and a breaker activator that comprises a metal and a ...
02/26/2008
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
7264052Methods and compositions for consolidating proppant in fractures
Improved methods and compositions for consolidating proppant in subterranean fractures are provided. In certain embodiments, the hardenable resin compositions may be especially suited for consolidating proppant in subterranean fractures having temperatures above abo...
09/04/2007
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
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
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
7219735Packer fluid
A packer fluid is provided for use with a wellbore fluid in an annulus or casing bore, having an aqueous portion which contains additives for preventing corrosion, microbiological activity, salt and scale deposition, and an environmentally-acceptable capping fluid w...
05/22/2007
7208529Aminocarboxylic acid breaker compositions for fracturing fluids
It has been discovered that aminocarboxylic acids are effective breakers for polymer-gelled aqueous fracturing fluids, particularly in the temperature range between about 120° F. (49° C.) and about 280° F. (138° C.). The aminocarboxylic acids are believed to act...
04/24/2007
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
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
7156177Scale dissolver fluid
A scale dissolver fluid for dissolving scale in a subterranean hydrocarbon-bearing formation comprises an effective amount of a scale dissolver formulation and an effective amount of a surfactant for controlling the viscosity of the fluid. In use, formation hydrocar...
01/02/2007
7135440Method for controlled placement of oilfield chemicals and composition useful for practicing same
Disclosed is a method for introducing additives into an oil, gas, or water injection well or pipeline in solid form at a location other than at the bottom. The method is practiced using pellets having a density sufficient to suspend the pellet at a top phase, bottom...
11/14/2006
7114567Propped fracture with high effective surface area
Propped fractures in formations from which fluids are produced are described that have wormholes extending out into the formations from the faces of the fractures at locations distant from boreholes. Methods are given for creating such propped fractures having wormh...
10/03/2006
7098172Prevention and treatment of lost circulation with crosslinked polymer material
A process to substantially reduce fluid loss in which an appropriate amount of a non-flowing gel of sufficient strength is emplaced to substantially eliminate or reduce loss of the drilling fluid. The gel composition of the process includes: (1) a non-cellulose cont...
08/29/2006
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
7066262Gelled liquid hydrocarbon treatment fluids having reduced phosphorus volatility and their associated methods of use and preparation
This invention relates to reduced volatility gelled liquid hydrocarbon treatment fluids and methods of their use and preparation. In one embodiment, this invention provides a method of treating a portion of a subterranean formation comprising: providing a reduced vo...
06/27/2006
7036587Methods of diverting treating fluids in subterranean zones and degradable diverting materials
Methods of diverting treating fluids in subterranean zones penetrated by well bores are provided. The methods basically comprise the following steps. A degradable particulate diverting material is placed in a subterranean zone that contains releasable water. A treat...
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
7021378Method for enhancing the retention efficiency of treatment chemicals in subterranean formations
A method for retaining a treatment chemical in a subterranean formation containing hydrocarbons is disclosed. The method includes first preparing an emulsion. The emulsion contains an oil continuous phase and first and second aqueous phases. The first aqueous phase ...
04/04/2006
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
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
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
6818598Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone
A plugging fluid for plugging a subterranean formation zone surrounding a drill hole comprises an emulsion comprising a dispersed aqueous phase containing an aqueous base and a continuous hydrophobic phase containing a polymer consisting of a grafted cellulose ether...
11/16/2004
6814885Scale and corrosion inhibitors
A scale and corrosion inhibitor for use in the treatment of water comprises at least one oxyalkylene unit and at least one phosphonate unit (e.g. a unit derived prom a mono- or di-phosphonic acid such as VPA or VDPA). Inhibitors according to the present invention ha...
11/09/2004
6803346Anti-accretion additives for drilling fluids
Additives for drilling fluids, in particular for water-based drilling fluids are described which when added to the fluid at levels of up to 10% weight by volume reduces the accretion and bit-balling tendencies of shale cuttings exposed to said fluids. The additives ...
10/12/2004
6774090Compositions and methods for controlling downhole sulfide deposits
Compositions and methods for treating systems, especially oil and/or gas wells, characterized by metal sulfide deposits are provided. Compositions according to the invention generally comprise a thioacid, an amine salt, and a diphosphonic acid. Methods according to ...
08/10/2004
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
6767868Breaker system for fracturing fluids used in fracturing oil bearing formations
A method of fracturing a zone of a subterranean formation penetrated by a well bore is shown in which a gelable fracturing fluid is formed by combining an aqueous base fluid and a hydratable polymer. A transition metal crosslinker is added to the aqueous base fluid ...
07/27/2004
6720291Well treatment composition for use in iron-rich environments
Improved mud additive compositions are provided which are especially formulated to control hole enlargement due to salt bed erosion during drilling, and to assist in solubilization of deposited salt during well operations. The compositions include a first ingredient...
04/13/2004
6706668Electron transfer agents in well acidizing compositions and methods
An acidizing composition and a method of acidizing a hydrocarbon bearing subterranean formation in the presence of ferric ions are provided. The acidizing composition includes a strong mineral acid solution, an electron donor agent, a primary electron transfer agent...
03/16/2004
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