Earth boring, well treating, and oil field chemistry inventions 02/06

20060040831 - Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil: Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil are disclosed. An aqueous acid solution of the invention comprises water, hydrochloric acid, a cationic hydrochloric acid corrosion inhibitor and a conjugate ion pair of a cationic amine oxide surfactant and an anionic surfactant that does not...

20060035789 - Surfactant package for well treatment and method using same: A surfactant blend for servicing wells includes a first non-ionic surfactant having a hydrophilic-lipophilic balance of between about 10 and about 15; a second non-ionic surfactant having a hydrophilic-lipophilic balance of between about 2 and about 6; and an anionic surfactant....

20060035790 - Control of particulate flowback in subterranean formations using elastomeric resin coated proppants: Coated composite proppant particles made of particulate substrates having an elastomeric coating are provided for use in reducing particulate flowback in subterranean formations. The disclosed proppant particles can have a coating of resin, fibrous materials, and/or soluble resin coatings in addition to an elastomeric coating. Methods of making the coated...

20060030491 - Polyether polyesters having anionic functionality: Polyester compositions and methods of producing and using same are provided. The polyester compositions at least include an anionic diacid monomer or diester monomer thereof and a polyether. The polyester compositions of the present invention can be effectively utilized, for example, to treat crude oil during production and refinery processing....

20060030492 - Reversible gelling system and method using same during well treatments: An all-oil reversible gelling system includes a polymer, a crosslinker, a gel accelerator, and an oxidant, wherein temperature activates the crosslinker so as to cause the system to form a gel, and the oxidant subsequently decomposes the gel. This gel is designed to seal temporarily portions of oil-producing or water...

20060030493 - Crosslinked treatment fluid compositions and methods: Method of treating a subterranean formation with a treatment fluid comprising providing water; providing a carbonyl-containing first compound comprising at least one carbonyl moiety; providing an amine-containing second compound comprising at least one amine moiety; combining the water, carbonyl-containing first compound, and amine-containing second compound to a substantially uniform mixture;...

20060030494 - Set-on demand, ester-based wellbore fluids and methods of using the same: Methods of servicing a wellbore in contact with a subterranean formation include passing an ester-based fluid into the wellbore and reducing a temperature of the ester-based fluid by an amount effective to cause the ester-based fluid to set, e.g., by from about 10° F. to about 20° F. The ester-based...

20060025312 - Cement-free zeolite and fly ash settable fluids and methods therefor: Zeolite and Class F fly ash compositions are provided for use as cement-free settable fluids such as settable spotting fluids and cementitious compositions....