Earth boring, well treating, and oil field chemistry inventions 07/06

20060166833 - Additive for drilling fluids: Subject matter of the present invention is a drilling fluid additive based on sulfonated asphalt, which comprises a water soluble and anionic polymer component in quantities of 0.1 to 20 wt. %, with respect to the total additive in addition to the asphalt component. With this additive the water solubility...

20060166834 - Subterranean treatment fluids comprising substantially hydrated cement particulates: Fracturing fluids comprising a base fluid and substantially hydrated cement particulates. Methods of fracturing a subterranean formation comprising fracturing the subterranean formation so as to create or enhance one or more fractures in the subterranean formation; introducing a fracturing fluid comprising a base fluid and substantially hydrated cement particulates into...

20060166835 - Microemulsion containing oil field chemicals useful for oil and gas field applications: Useful microemulsions have corrosion inhibitors in the internal phase and an external phase and at least one surfactant that helps define the emulsion. The corrosion inhibitor itself may have its pH adjusted so that it also serves the role of surfactant. The corrosion inhibitors form microemulsions with particle or droplet...

20060166836 - Energized fluids and methods of use thereof: The present invention relates to novel aqueous wellbore treatment fluids containing a gas component, a heteropolysaccharide, an electrolyte, and a surfactant, wherein the fluids may further include an organoamino compound. The fluids exhibit good rheological properties at elevated temperatures. Methods of use of fluids comprising at least an aqueous medium,...

20060166837 - Methods of treating subterranean formations with heteropolysaccharides based fluids: Disclosed are methods of treating subterranean formations with rapidly hydratable treatment fluids based upon heteropolysaccharides. In particular, the invention relates to treatment methods with fluids containing a heteropolysaccharide, aqueous medium, and an electrolyte, wherein the fluids may further include a gas component, a surfactant and/or an organoamino compound. The fluids...

20060166838 - Method of preparing microparticles: A method of preparing microparticles comprising an aqueous solution or dispersion of an oil or gas field production chemical encapsulated in a continuous polymeric phase comprising a degradable polymer, which method comprises: (a) preparing a water in oil in water double emulsion or a water in oil in oil double...

20060166840 - Drilling fluids containing biodegradable organophilic clay: where M− is an anion such as a chloride, methyl sulfate, bromide, acetate, or iodide ion; R1 is an alkyl group such as a saturated hydrocarbon with 10 or more carbons; R2, R3, and R4 are the same or different alkyl groups such as a methyl, ethyl, or benzyl group,...

20060166839 - Methods of using drilling fluids containing biodegradable organophilic clay: Methods of treating a wellbore comprise displacing a drilling fluid comprising an organophilic clay treated with a quaternary ammonium surfactant having an amide linkage into the wellbore. Methods of drilling a wellbore comprise: applying torque to a bit within the wellbore and concurrently applying force to urge the bit to...

20060160705 - Spotting fluid compositions and associated methods: Fluids and associated methods useful in subterranean applications are provided. More particularly, methods of reducing drill string sticking are provided, which include: providing a spotting fluid composition comprising a water insoluble external phase fluid, a water soluble internal phase fluid, and an ether carboxylic acid emulsifying agent; introducing the spotting...

20060160706 - Spotting fluid compositions and associated methods: Fluids and associated methods useful in subterranean applications are provided. Compositions are provided that may be useful in subterranean applications for addressing, among other things, drill string sticking problems. More particularly, spotting fluid compositions are provided having a water insoluble external phase fluid; a water soluble internal phase fluid; and...

20060154829 - Hydrocarbon recovery: In one embodiment, a composition of a treatment fluid used to stabilize shale and clay within a hydrocarbon producing formation is provided which includes water, and potassium formate at a concentration to maintain the treatment fluid with a Zeta potential of about −15 mV or less. In one example, the...

20060148654 - Compounded hydrocarbon oil and oil base drilling fluids prepared therefrom: The invention discloses a compounded hydrocarbon oil which comprises a base hydrocarbon oil, preferably a mixture of paraffinic hydrocarbons, propylene carbonate, and a liquid fatty acid containing at least 12 carbon atoms per molecule, preferably tall oil fatty acid. The volume ratio of propylene carbonate to liquid fatty acid is...

20060148655 - Use of a selected legume starch in an industrial fluid: an industrial fluid includes a selected legume starch with a Brookfield viscosity of between 100 and 20 000 mPa.s, as component of the industrial fluid. The legume starch preferably also has a solubility in water of between 10 and 85%. The industrial fluid is particularly a fluid for use in...

20060148656 - Silicate-containing additives for well bore treatments and associated methods: The present invention relates to methods and compositions for use in subterranean operations. More particularly, the present invention relates to additives comprising one or more silicates used to treat tar resident in a well bore, and methods of use. In one embodiment, the present invention provides a treatment fluid comprising...

20060148657 - Zeolite compositions having enhanced compressive strength: Wellbore treating fluids that include zeolite, an activator, and an organic acid or salt thereof are provided....

20060148658 - Compositions for reducing the viscosity of treatment fluids: In one embodiment, the present invention provides a viscosified treatment fluid composition comprising a base fluid, a gelling agent, and a breaker composition that comprises an oxidizing breaker and a breaker activator that comprises a metal and a protein. In another embodiment, the present invention provides a viscosified treatment fluid...

20060148659 - Fracturing fluids containing borate esters as crosslinking agents: A formation treating fluid comprises one or more borate esters, a liquid carrier and, one or more cross linkable polymer wherein the formation treating fluid has an alkaline pH when the formation treating fluid is positioned in a formation. The formation treating fluid is useful in high temperature operations such...

20060148660 - Foamed viscoelastic surfactants: A method for increasing the foam stability of foams made with cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of an amphiphilic polymeric foam stabilizer containing at least one portion that is a partially hydrolyzed polyvinyl ester or partially hydrolyzed polyacrylate. The foam stabilizer allows...