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Earth boring, well treating, and oil field chemistry April category listing, related patent applications 04/06

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
04/27/2006 > 2 patent applications in 2 patent subcategories. category listing, related patent applications

20060089265 - Boronic acid networking agents and associated methods: In one embodiment, the present invention provides a method of increasing the viscosity of a treatment fluid comprising the steps of: adding a networking agent to the treatment fluid, wherein the networking agent is represented by the formula: Y—X—[B(OR)2]n, wherein: Y is at least partially capable of forming a crosslink...

20060089266 - 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 coated with an adhesive substance; introducing the treatment fluid into a portion of a subterranean formation; depositing at least a portion of the...

  
04/20/2006 > 3 patent applications in 3 patent subcategories. category listing, related patent applications

20060084579 - Viscoelastic surfactant mixtures: A viscoelastic surfactant mixture (VESM) has been developed that is useful as a viscosity modifying additive for stimulating subterranean hydrocarbon containing formations. The VESM contains an amphoteric surfactant, an arylalkyl sulfonate cosurfactant and a polar solvent. The VESM may be employed as part of systems used in fracturing, acidizing, gravel...

20060084580 - Methods of generating a gas in a plugging composition to improve its sealing ability in a downhole permeable zone: Methods of servicing a wellbore include generating gas in a plugging composition in situ within a permeable zone in the wellbore, thereby improving the ability of the plugging composition to seal the permeable zone. The gas may be generated via a chemical reaction by, for example, introducing first and second...

20060084581 - Solids-stabilized oil-in-water emulsion and a method for preparing same: A solids-stabilized oil-in-water emulsion and a method for preparing the solids-stabilized oil-in-water emulsion. The oil-in-water emulsion is formed by combining oil, water, solid particles and a pH enhancing agent and mixing until the solid-stabilized oil-in-water emulsion is formed. The low viscosity oil-in-water emulsion can be used to enhance production of...

  
04/13/2006 > 4 patent applications in 3 patent subcategories. category listing, related patent applications

20060079406 - Method of increasing the low shear rate viscosity of well drilling and servicing fluids containing calcined magnesia bridging solids, the fluids and methods of use: The invention provides well drilling and servicing fluids, and methods of drilling, completing, or working over a well therewith, preferred fluids comprise an aqueous liquid, a water soluble polymer viscosifier (preferably xanthan gum), a polymeric fluid loss control additive (preferably a partially depolymerized partially crosslinked hydroxyalkyl ether derivative of starch...

20060079405 - Well drilling and servicing fluids with magnesia bridging solids and methods of drilling, completing and working over a well therewith: The invention provides well drilling and servicing fluids, and methods of drilling, completing, or working over a well therewith, preferred fluids comprise an aqueous liquid, a water soluble polymer viscosifier (preferably xanthan gum), a polymeric fluid loss control additive (preferably a partially depolymerized partially crosslinked hydroxyalkyl ether derivative of starch...

20060079407 - Invertible well bore servicing fluid: wherein R is a radical selected from the group consisting of abietyl, hydroabietyl, dihydroabietyl, tetrahydroabietyl, and dehydroabietyl, each R′ may be the same or different and is an alkyl having from about 1 to about 3 carbons, each A may be the same or different and is NH or O,...

20060079408 - Composition for decreasing lost circulation during well operation: A method is provided for reducing lost circulation when aqueous, oil, or synthetic based drilling fluid is used. The method includes injecting two fluids into the well bore and lost circulation zone. The first fluid is an aqueous liquid containing at least one polymer capable of absorbing water in an...

  
04/06/2006 > 9 patent applications in 4 patent subcategories. category listing, related patent applications

20060073981 - Methods of preparing non-aqueous fluids suitable for use in wellbore servicing fluids: A method of decreasing the toxicity, as determined according to ASTM E 1367-92, of a non-aqueous fluid for use in a wellbore servicing fluid, comprising providing a starting non-aqueous fluid having a toxicity of about equal to or greater than a toxicity of a reference standard non-aqueous fluid, and adding...

20060073980 - Well treating composition containing relatively lightweight proppant and acid: A well treating composition contains an aqueous acid and at least one relatively lightweight proppant, preferably having an apparent specific gravity (ASG) less than or equal to 2.45. The acid fracturing composition may used to acid fracture a hydrocarbon reservoir within a subterranean formation of an oil or gas well....

20060073986 - 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 particles may also be used with the microemulsion. In one non-limiting embodiment...

20060073982 - Shale hydration inhibition agent and method of use: in which R and R′ independently selected from hydrogen, methyl, ethyl or propyl, and X has a value from 1 to 6. The shale hydration inhibition agent is present in sufficient concentration to substantially reduce the swelling of shale drilling cuttings upon contact with the drilling fluid. The drilling fluid...

20060073983 - Shale hydration inhibition agent and method of use: A water-base wellbore fluid for use in subterranean wells that penetrate through a subterranean formation containing a shale which swells in the presence of water. The well bore fluid includes, an aqueous based continuous phase, and a shale hydration inhibition agent. One illustrative shale hydration inhibition agent is preferably the...

20060073984 - Shale hydration inhibition agent and method of use: A water-base wellbore fluid for use in subterranean wells that penetrate through a subterranean formation containing a shale which swells in the presence of water. The well bore fluid includes, an aqueous based continuous phase, and a shale hydration inhibition agent. One illustrative shale hydration inhibition agent is preferably the...

20060073985 - Shale hydration inhibition agent and method of use: A method of using a water-base wellbore fluid in subterranean wells that penetrate through a subterranean formation containing a shale which swells in the presence of water. The well bore fluid includes, an aqueous based continuous phase, and a shale hydration inhibition agent. One illustrative shale hydration inhibition agent is...

20060073987 - Thinners for invert emulsions: where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging form about 0 to about 10, and k is a number ranging from about...

20060073988 - Fast hydrating guar powder, method of preparation, and methods of use: A guar or a guar derivative powder having a D50 particle size of less than 40μ which reaches at least 70% hydration within 60 seconds at about 70 degrees F., is disclosed. The powder can be used in applications such as drilling fluid; fracturing fluid; gravel packing fluids; completion fluid;...

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