Earth boring, well treating, and oil field chemistry inventions 10/06

20060240993 - Fluid loss reducer for high temperature high pressure water based-mud application: The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further reveals a process for preparing an...

20060240994 - Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation: The present invention relates to subterranean treatment fluids, and more particularly, the present invention relates to subterranean treatment fluids comprising relative permeability modifiers and methods for using such subterranean treatment fluids in subterranean operations to reduce the production of water from and stimulate hydrocarbon production in a subterranean formation. In...

20060240995 - Methods of using resins in subterranean formations: Improved methods of using resins to consolidate particulates in relatively unconsolidated portions of a subterranean formation. In certain embodiments, the methods comprise: applying a preflush fluid to at least a portion of a subterranean formation; applying a resin composition to the portion of the subterranean formation, the resin composition comprising...

20060234870 - Methods and compositions for delaying the release of treatment chemicals: A method comprising: providing at least one encaged treatment chemical that comprises a treatment chemical and a polymer carrier; placing the encaged treatment chemical into a portion of a subterranean formation; and allowing the treatment chemical to diffuse out of the encaged treatment chemical and into a portion of the...

20060234872 - Low damage treatment fluids and methods of using the same: The invention relates to novel wellbore treatment methods and fluids using compositions formed from an aqueous medium, a regularly substituted hydrophilically functional polysaccharide having a degree of substitution from about 0.1 to about 0.5, wherein the percent of insoluble polysaccharide is about 10% or less, and a crosslinker. The wellbore...

20060234871 - Sealant composition comprising a gel system and a reduced amount of cement for a permeable zone downhole: A sealant composition for servicing a wellbore comprising at least one gel system, a leak off prevention material and water....

20060234873 - Thermal stability agent for maintaining viscosity and fluid loss properties in drilling fluids: A method of increasing the thermal stability of an aqueous wellbore fluid that includes a viscosifying agent, involves formulating the wellbore fluid so as to include an effective amount of a thermal stability compound selected from the group of gallic acid, gallow tannins, esters of gallic acid, salts of gallic...

20060234874 - Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation: The present invention relates to subterranean treatment fluids, and more particularly, the present invention relates to subterranean treatment fluids comprising relative permeability modifiers and methods for using such subterranean treatment fluids in subterranean operations to reduce the production of water from and stimulate hydrocarbon production in a subterranean formation. In...

20060234875 - Wellbore treatment kits for forming a polymeric precipitate to reduce the loss of fluid to a subterranean formation: Wellbore treatment kits are provide that include a polymeric solution for placement in a wellbore that penetrates a subterranean formation and an activator for causing a polymer to precipitate out of the polymeric solution when it contacts the polymeric solution, wherein the resulting precipitate is capable of at least partially...

20060234876 - Systems, methods, and catalysts for producing a crude product: Methods and systems for contacting of a crude feed with one or more catalysts to produce a total product that includes a crude product are described. At least one of the catalysts is a bulk metal catalyst. The crude product is a liquid mixture at 25° C. and 0.101 MPa....

20060234877 - Systems, methods, and catalysts for producing a crude product: Methods and systems for contacting of a crude feed with one or more catalysts produces a total product that includes a crude product are described. At least one of the catalysts is an uncalcined catalyst. The crude product is a liquid mixture at 25° C. and 0.101 MPa. The crude...

20060229212 - Self-destructing filter cake: A composition and method are given for self-destructive fluid loss additives and filter cakes in wellbores and subterranean formations. The fluid loss additives and filter cakes are formed from a mixture of particulate solid acid-precursors, such as a polylactic acid or a polyglycolic acid, and particulate solid acid-reactive materials, such...

20060229213 - Fluids comprising zirconium isopropylamine crosslinking agents and associated methods: Treatment fluids that may comprise an aqueous fluid, a gelling agent, and a zirconium triisopropylamine crosslinking agent are provided. Also provided are crosslinking agents that may comprise a zirconium triisopropylamine crosslinking agent, and a zirconium IV-containing crosslinking agent....

20060223713 - Method of completing a well with hydrate inhibitors: each R1 and R2 are independently selected from the group consisting of —H, —CH3, —CH2—CH2—OH and CH(CH3)—CH2—OH; d is from 1 to about 6; and n is from 1 to about 4. Such gas hydrate inhibitor compositions are particularly efficacious in the treatment of media susceptible to gas hydrate formation...

20060223714 - Invert emulsion based completion and displacement fluid and method of use: A method of cleaning a wellbore prior to the production of oil or gas, wherein the wellbore has been drilled with an invert emulsion drilling mud that forms an invert emulsion filter cake is disclosed. The method may include circulating a breaker fluid into the wellbore, where the breaker fluid...

20060223715 - Water based completion and displacement fluid and method of use: A method of cleaning a wellbore prior to the production of oil or gas is disclosed, wherein the wellbore has been drilled with an invert emulsion drilling mud that forms an invert emulsion filter cake. The method may include the steps of circulating a breaker fluid into the wellbore, where...