Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8252728 | Drilling fluids comprising hydroxylated polymers Drilling fluids comprising polymers containing hydroxylated structural units are useful as accretion inhibiting agents, and/or as fluid rheology controlling agents, and/or as filtrate reducing agents, and/or as lubricating agents. ... | 08/28/2012 |
| 7435706 | Thinners for invert emulsions A method of reducing the viscosity of oil-based drilling fluids and well service fluids at low temperatures and a thinner compound for use in such drilling fluids and well service fluids is disclosed. The method comprises adding to said drilling fluids or well servi... | 10/14/2008 |
| 7399731 | Electrically conductive non-aqueous wellbore fluid A non-aqueous wellbore fluid comprises a non-aqueous continuous phase with one or more organic salts having the formula ((R1-Q)pX)mZn, one or more oligomeric organic salts based on linked ((R1-Q)pX) | 07/15/2008 |
| 7297662 | Method and composition for inhibiting lost circulation during well operation A method and drilling fluid additive composition are provided for reducing lost circulation and seepage loss when synthetic or oil based drilling fluid is used. The method includes injecting drilling fluid and 1 to 50 pounds per barrel of a loss control additive hav... | 11/20/2007 |
| 7279447 | Subterranean well and oil or gas stream treatment with bis(3-alkoxyalkan-2-ol) sulfides, sulfones, and sulfoxides: new surface active agents Compositions containing surfactant compounds according to formula (I) ROCH2CH(OH)CR1R2ZCR1R2CH(OH)CH2OR, (I) wherein Z is S, SO, or SO2, can have a range of equilib... | 10/09/2007 |
| 7270768 | Environmentally benign anti-icing or deicing fluids employing triglyceride processing by-products Deicing compositions comprised of glycerol-containing by-products of triglyceride processing processes are disclosed. ... | 09/18/2007 |
| 7265078 | Drilling fluid apparatus and method Disclosed are drilling fluids suitable for use in connection with oil well drilling. The drilling fluids of the invention include in one embodiment a liquid base, an alkyl glucoside, such as methyl glucoside, and a borehole stability promoter that includes a maltode... | 09/04/2007 |
| 7259130 | 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°... | 08/21/2007 |
| 7238647 | Method and fluid for controlling the saturation of a formation around a well The present invention relates to a method and to a fluid for drilling or workover in a well running through a porous permeable formation, wherein a water-based well fluid circulates in said well. In the method, at most 3% by weight of a composition obtained from fat... | 07/03/2007 |
| 7220709 | Process of diverting stimulation fluids A process for stimulating a formation is disclosed wherein a diverting fluid is used to divert an acid treatment package from a high permeability or damaged portion of a formation to a low permeability or undamaged portion of a formation. The fluid preferably forms ... | 05/22/2007 |
| 7199084 | Concentrated suspensions Suspensions are provided of water-soluble materials in non-aqueous carrier fluids using suspension agents that include thixotropic agents and, optionally, organophilic clays. Methods of forming such suspensions are provided. Methods are also provided for using such ... | 04/03/2007 |
| 7148183 | Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids Water based drilling, drill-in, and completion fluids comprising surfactant-polymer blends that are effective to generate effective rheology comprising low shear rate viscosity and effective fluid loss control properties. The water based fluids preferably are substa... | 12/12/2006 |
| 7131495 | Method for preparing a chlorine dioxide block-removing agent in oil wells A method to synthesize a chlorine dioxide block remover in a well is described. The method includes dissolving a chlorate aqueous solution and some acidic substances in water and to produce a hydrogen ion. The chlorate aqueous solution and acidic substances are quic... | 11/07/2006 |
| 7094738 | Phospholipid lubricating agents in aqueous based drilling fluids A method of improving the lubricity of an aqueous based drilling fluid composed of an aqueous base fluid, and a weighting agent. The method involves the addition of an effective amount of a phospholipid to substantially reduce the coefficient of friction when compar... | 08/22/2006 |
| 7067460 | Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids Invert emulsion drilling system fluids comprising an oleaginous continuous phase and a non-oleaginous dispersed phase, the dispersed phase comprising organofunctional compound(s) effective to provide shale inhibition. The organofunctional compound(s) may be used eit... | 06/27/2006 |
| 7067461 | Water-based drilling fluid additive containing graphite and carrier A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing graphite with at least one carrier such as a polypropylene glycol or oil to create a suspended mixture, and allowing the surface of the graphite to be pre-we... | 06/27/2006 |
| 7066285 | Method and composition for preventing or treating lost circulation An improved composition and method is provided for preventing or alleviating lost circulation during the drilling of wellbores in subterranean formations, and particularly during the drilling of oil and gas wells. The method is suited for horizontal and directional ... | 06/27/2006 |
| 7067459 | Well stimulation compositions A well service fluid composition comprises a fracturing fluid and a gas hydrate inhibitor. Preferably, the gas hydrate inhibitor does not affect the function of the fracturing fluid and is present in an amount sufficient to control and/or minimize the formation of g... | 06/27/2006 |
| 7060660 | Drilling fluid additive system containing talc and graphite A drilling fluid additive system is provided wherein the system comprises: a drilling fluid additive comprising talc, graphite and at least one carrier such as a glycol; and hydrophilic clay, a pH controller, a fluid loss controller, and at least one dispersant.... | 06/13/2006 |
| 7056867 | Drilling fluid additive system containing graphite and carrier A drilling fluid additive system is provided wherein the system is manufactured by a method comprised of admixing graphite with at least one carrier such as a polypropylene glycol or oil to create a suspended mixture, and allowing the surface of the graphite to be p... | 06/06/2006 |
| 7001871 | Water-based drilling fluid additive containing talc and graphite A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing at least one carrier such as a polypropylene glycol to talc and subsequently admixing graphite to the talc and carrier mixture; and then admixing an uintaite... | 02/21/2006 |
| 6994173 | Method of drilling a borehole A method for drilling a borehole employing a drilling fluid including an additive comprising a glucose derivative with pH lowering acid, buffers and surface active agents. The drilling fluid additive preferably exhibits the following properties: activity of approxim... | 02/07/2006 |
| 6989352 | Silicic acid mud lubricants A lubricant for use in silicic acid muds and other drilling fluids comprising silicate or silica species is disclosed. The lubricant significantly improves the lubricity of the fluid. A method of drilling a wellbore in a subterranean formation employing the lubrican... | 01/24/2006 |
| 6939832 | Process for treating an oil well Method of treating a subterranean formation, comprising (A) injecting down a well bore into the formation an admixture of (a) an emulsion having an internal aqueous phase comprising a water-soluble oil of gas field chemical or an aqueous dispersion of a water-disper... | 09/06/2005 |
| 6887832 | Method of formulating and using a drilling mud with fragile gels A method for drilling, running casing in, and/or cementing a borehole in a subterranean formation without significant loss of drilling fluid is disclosed, as well as compositions for use in such method. The method employs a drilling fluid comprising a fragile gel or... | 05/03/2005 |
| 6821931 | Water-based drilling fluid additive containing talc and carrier A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing colloidal solids such as talc with at least one carrier such as an oil or glycol to create a suspended mixture to thereby allow the colloidal solids to be pr... | 11/23/2004 |
| 6806235 | Lubricants for drilling fluids A process for imparting lubricity to an aqueous drilling fluid used in geological exploration involving: (a) providing an aqueous drilling fluid; (b) providing a lubricant component containing a partial glyceride of predominantly unsaturated fatty acids having from ... | 10/19/2004 |
| 6803347 | Additive for wellbore fluids A low molecular weight, high melting point, crystalline, oil soluble additive for use in wellbore fluids is provided that is preferably a ground crystalline material of melting point over 80° C., preferably over 100° C. which is readily soluble in produced hydroca... | 10/12/2004 |
| 6800593 | Hydrophilic polymer concentrates Disclosed is a hydrophilic, water soluble polymer concentrate for addition to aqueous liquids to enhance the properties thereof, particularly to increase the viscosity or decrease the fluid loss of well drilling and servicing fluids, the concentrate comprising a hyd... | 10/05/2004 |
| 6787505 | Electrically conductive non-aqueous wellbore fluids A wellbore fluid having a non-aqueous continuous liquid phase that exhibits an electrical conductivity of not less than 10 μS m−1 at 1 kHz comprises a polar organic liquid (POL) which exhibits a dielectric constant of at least about 5.0 and a Hildebran... | 09/07/2004 |
| 6784140 | Thermally stable, substantially water-free well fluid A method of treating a well including injecting a thermally stable, substantially water-free well-treating fluid into the well, wherein the well-treating fluid comprises a polymer, a glycol compound, and a salt is disclosed. In another embodiment, a thermally stable... | 08/31/2004 |
| 6774089 | Water-based drilling fluid additive containing talc and cellulose A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing colloidal solids such as talc with a combination of oil and glycol or cellulose to create a suspended mixture to thereby allow the colloidal solids to be pre... | 08/10/2004 |
| 6746611 | Method and composition for scavenging sulphide in drilling fluids and composition An environmentally friendly method and composition is provided for removing hydrogen sulphide from fluids at high pH. The method and composition are particularly suited for removing hydrogen sulphide from drilling fluids used in drilling boreholes in hydrocarbon bea... | 06/08/2004 |
| 6740625 | Method and fluid for checking the saturation of a formation in the immediate vicinity of a well The present invention relates to a method and a fluid for drilling or intervening in a well passing through a porous, permeable formation, wherein a water-based well fluid is circulating in said well. In this method, there is added to the fluid not only the conventi... | 05/25/2004 |
| 6737384 | Drilling fluid additive system containing talc and cellulose A drilling fluid additive system is provided wherein the system is manufactured by a method comprised of admixing colloidal solids such as talc with a carrier such as oils and glycols or talc with cellulose to create a suspended mixture to thereby allow the colloida... | 05/18/2004 |
| 6734145 | Drilling fluid additive system containing talc & carrier A drilling fluid additive system is provided wherein the system is manufactured by a method comprised of admixing colloidal solids such as talc with a carrier such as oils or glycols to create a suspended mixture to thereby allow the colloidal solids to be pre-wet o... | 05/11/2004 |
| 6716799 | Use of selected fatty alcohols and their mixtures with carboxylic acid esters as lubricant components in water-based drilling fluid systems for soil exploration The invention relates to the use of linear and/or branched fatty alcohols containing at least 12 carbon atoms in the molecule and/or to the use of mixtures of such fatty alcohols with carboxylic acid esters as a lubricating additive in water-based drilling fluids fo... | 04/06/2004 |
| 6662871 | Spotting fluid for differential sticking A new composition for a spotting fluid and a method of using such spotting fluid for freeing differential stuck pipe in a subterranean well drilling operation is disclosed. The composition comprises an invert water-in-oil emulsion comprising iso-butyl ole... | 12/16/2003 |
| 6635604 | Low molecular weight water soluble organic compounds as crystallization point suppressants in brines A brine for use during drilling operations, preferably a completion brine, comprising an amount of a low molecular weight water-soluble organic compound effective to reduce the crystallization point of the brine. The low molecular weight water soluble org... | 10/21/2003 |
| 6478868 | Early-enhanced strength cement compositions and methods The present invention provides improved early-enhanced strength cement compositions and methods. The cement compositions can be utilized in surface construction projects as well as in the construction of oil, gas and water wells. The improved cement compo... | 11/12/2002 |
