Patent application number | Description | Published |
20100000795 | ENHANCED OIL-BASED FOAM DRILLING FLUID COMPOSITIONS AND METHOD FOR MAKING AND USING SAME - New oil-based foam drilling fluids for oil and/or gas wells are disclose as well as methods of making and using same. The new oil-based drilling fluids including a base oil, a foaming agent and a polymer including at least one aromatic olefin monomer and at least one diene monomer, where the polymer improves foam properties rendering a foam stable at temperatures at or above 300° F. and even at temperatures at or above 350° F. | 01-07-2010 |
20100012901 | HYDROLYZED NITRILOTRIACETONITRILE COMPOSITIONS, NITRILOTRIACETONITRILE HYDROLYSIS FORMULATIONS AND METHODS FOR MAKING AND USING SAME - Hydrolyzed nitrilotriacetonitrile compositions are disclosed prepared by a method characterized by a one-shot addition of an amount of nitrilotriacetonitrile to a solution containing an acid catalyst, where the reaction is complete in a time period of less than an hour. The method is also characterized by adjusting the pH of the reaction mixture to a pH of at least 8. The method is also characterized by oxidatively removing free cyanide to a desired low level through the addition of an oxidizing agent the produces environmentally benign by-products to the crude hydrolyzed NTAN to form hydrolyzed NTAN compositions having minimized, negligible, or substantially no free cyanide levels. | 01-21-2010 |
20100305010 | HIGH DENSITY PHOSPHATE BRINES AND METHODS FOR MAKING AND USING SAME - New heavy phosphate brines are disclosed, where the water soluble phosphate brines include two or more metal phosphate. Methods for making and using the heavy phosphate brines in drilling, completion, and fracturing operations are also disclosed. | 12-02-2010 |
20110218125 | HYDROLYZED NITRILOTRIACETONITRILE COMPOSITIONS, NITRILOTRIACETONITRILE HYDROLYSIS FORMULATIONS AND METHODS FOR MAKING AND USING SAME - Hydrolyzed nitrilotriacetonitrile compositions are disclosed prepared by a method characterized by a one-shot addition of an amount of nitrilotriacetonitrile to a solution containing an acid catalyst, where the reaction is complete in a time period of less than an hour. The method is also characterized by adjusting the pH of the reaction mixture to a pH of at least 8. The method is also characterized by oxidatively removing free cyanide to a desired low level through the addition of an oxidizing agent the produces environmentally benign by-products to the crude hydrolyzed NTAN to form hydrolyzed NTAN compositions having minimized, negligible, or substantially no free cyanide levels. | 09-08-2011 |
20110224107 | HYDROLYZED NITRILOTRIACETONITRILE COMPOSITIONS, NITRILOTRIACETONITRILE HYDROLYSIS FORMULATIONS AND METHODS FOR MAKING AND USING SAME - Hydrolyzed nitrilotriacetonitrile compositions are disclosed prepared by a method characterized by a one-shot addition of an amount of nitrilotriacetonitrile to a solution containing an acid catalyst, where the reaction is complete in a time period of less than an hour. The method is also characterized by adjusting the pH of the reaction mixture to a pH of at least 8. The method is also characterized by oxidatively removing free cyanide to a desired low level through the addition of an oxidizing agent the produces environmentally benign by-products to the crude hydrolyzed NTAN to form hydrolyzed NTAN compositions having minimized, negligible, or substantially no free cyanide levels. | 09-15-2011 |
20120071367 | ENVIRONMENTALLY FRIENDLY BASE FLUIDS AND METHODS FOR MAKING AND USING SAME - Non-toxic, biodegradable base fluids are disclosed for use in making downhole fluids, where the base fluids include blends of paraffins, olefins, naphthenes, esters, and oxygenates, having low viscosities, having a pale-yellow color, having a flashpoint of >80° C. (175° F.) and have a pour point of about 19° F. Methods for making and using fluids include the base fluids of this invention are also disclosed | 03-22-2012 |
20130331301 | METHODS FOR USING COMPLEMENTARY SURFACTANT COMPOSITIONS - Methods for using complementary surfactant systems and downhole fluids, where the systems are tailored to foam the fluids, which include the analyzed crude and/or condensate. | 12-12-2013 |
Patent application number | Description | Published |
20100197968 | ALDEHYDE-AMINE FORMULATIONS AND METHOD FOR MAKING AND USING SAME - A novel method for producing amine-aldehyde sulfur scavenging compositions are disclosed, where the method comprises contacting an amine containing component and a aldehyde containing component in the presence of an alcohol at an amine to aldehyde ratio of between about 0.8 and 0.45 for a reaction time and at a reaction temperatures sufficient to produce an amine-aldehyde adduct product having a specific gravity between about 3% and 7% less than the specific gravity of a mixture of starting materials. | 08-05-2010 |
20110001083 | ENVIRONMENTALLY BENIGN WATER SCALE INHIBITOR COMPOSITIONS AND METHOD FOR MAKING AND USING SAME - Scale inhibition compositions and methods for use are disclose, where the composition including one or a plurality chelating agents, one or a plurality dispersing agents, one or a plurality of oxygen scavenging agents including one sugar alcohol or a plurality of sugar alcohols, and pH adjusted to a pH greater than about 9. | 01-06-2011 |
20110021385 | SECONDARY EMULSIFIERS FOR INVERTED EMULSION FLUIDS AND METHODS FOR MAKING AND USING SAME - A new class of secondary emulsifying agents for use in inverted mud and other inverted system is disclosed and method for making and using same. | 01-27-2011 |
20120071366 | COMPLEMENTARY SURFACTANT COMPOSITIONS AND METHODS FOR MAKING AND USING SAME - Complementary surfactant systems and downhole fluids made using the systems are disclosed along with methods for making and using same, where the surfactant systems include from 0 wt. % to 100 wt. % of a first surfactant subsystem, from 100 wt. % to 0 wt. % of a second surfactant subsystem, and from 0 wt. % to 100 wt. % of a solvent subsystem based on the wt. % of the surfactant subsystems, where the system is tailored to foam the fluid including the analyzed crude and/or condensate. | 03-22-2012 |
20120071370 | DEFOAMER FORMULATION AND METHODS FOR MAKING AND USING SAME - Defoamer compositions are disclosed and methods for making and using same, where the defoamer has universal applicability at low concentrations. The defoamer compositions include between 40 vol. % and about 80 vol. % distilled water (other waters may be used instead), 10 vol. % and about 30 vol. % of silicon anti-foam agent and between about 10 vol. % and about 30 vol. % of active silicon anti-foam agent. The defoamer compositions are used in amount of less than or equal to 200 ppm in all foamed downhole fluid systems. | 03-22-2012 |
20120073813 | Novel Weight Materials for Use in Cement, Spacer and Drilling Fluids - A drilling fluid, spacer fluid and cementing compositions for use in subterranean wells are disclosed along with methods for making using same, where the compositions include a weighting system having an effective amount of a metal silicon alloy, mixtures of metal silicon alloys, or mixtures of metal silicon alloys and conventional weighting agents, to produce compositions having a desired high density, while retaining other fluid properties such as pumpability, gas tight sealing, low tendency to segregate, and reduced high temperature cement strength retrogression. | 03-29-2012 |
20120295820 | MANAGEMENT OF CORROSION IN PHOSPHATE BRINES - Phosphate brines are disclosed having reduced corrosive ratings. The phosphate brines include an additive system that reduces the corrosiveness of the phosphate brines compared to the phosphate brines in the absence of the additive system. | 11-22-2012 |
20120302468 | FORMULATIONS AND USES OF DRILLING FLUIDS CONTAINING VISCOSIFIED PHOSPHATE BRINE - Viscosified phosphate brine base fluids are disclosed, where the fluids include a hydratable polymer, have a density at or above about 10 lb/gal and a viscosity of at least 5 cP. Method for making and using the viscosified phosphate brine base fluids are also disclosed, including using the fluid in drilling, completing, and/or fracturing of oil and/or gas wells. | 11-29-2012 |
20130081820 | HOSTILE ENVIRONMENT STABLE COMPOSITIONS AND DRILLING AND FRACTURING FLUIDS CONTAINING SAME - Foam systems including a surfactant subsystem including one alpha-olefin sulfonic acid or a plurality of alkali metal alpha-olefin sulfonic acid salts and optionally, one ethoxylated alcohol sulfonate or a plurality of ethoxylated alcohol sulfonates, optionally, a pour point depressant subsystem including one glyme or a plurality of glymes and optionally, a corrosion inhibiting subsystem including one corrosion inhibitor or a plurality of corrosion inhibitors, where the system is thermally or heat stable up to 450° F., the system is environmentally benign, the system is capable of producing a foam in an aqueous medium including high amounts of crude oil, the system is efficient at low usage levels and the system is capable of reuse or at least on foam-defoam cycle. Methods for making and using including preparation of the foam systems, drilling, fracturing, completion and producing using the systems in conjunction with a gas. | 04-04-2013 |
20130175477 | CORROSION INHIBITOR FOR HIGH TEMPERATURE ENVIRONMENTS - Corrosion inhibiting and management systems and for methods of making and using same are presented, where the corrosion systems comprise a reaction product or mixture of reaction products of medium to high carbon count phosphate ester or mixture of medium to a high carbon count phosphate esters and an amine or mixture of amines and where the reaction product or products form a partial or complete coating on surfaces of pipe, piping, pipeline, flowline, and other downhole equipment in contact with aqueous and non-aqueous fluids to protect the surfaces from corrosion at temperature up to up to 750° F. (398.9° C.), and especially, for use in applications using low to moderate temperature geothermal fluids. | 07-11-2013 |
20130178399 | GAS HYDRATE INHIBITORS AND METHODS FOR MAKING AND USING SAME - Methods relate to using phosphate and/or nitrate brines to reduce hydrate formation in flowlines under conditions conducive for hydrate formation in the absence of the phosphate and/or nitrate brine. The phosphate and/or nitrate brines may include compatible anti-corrosion additives. | 07-11-2013 |
Patent application number | Description | Published |
20140323362 | DEFOAMER FORMULATION AND METHODS FOR MAKING AND USING SAME - Defoamer compositions are disclosed and methods for making and using same, where the defoamer has universal applicability at low concentrations. The defoamer compositions include between 40 vol. % and about 80 vol. % distilled water (other waters may be used instead), 10 vol. % and about 30 vol. % of silicon anti-foam agent and between about 10 vol. % and about 30 vol. % of active silicon anti-foam agent. The defoamer compositions are used in amount of less than or equal to 200 ppm in all foamed downhole fluid systems. | 10-30-2014 |
20150087561 | GAS HYDRATE INHIBITORS AND METHODS FOR MAKING AND USING SAME - Nitrate brine compositions reduce hydrate formation in flowlines under conditions conducive for hydrate formation in the absence of the nitrate brines, where the nitrate brines include compatible anti-corrosion system. | 03-26-2015 |
20150087562 | GAS HYDRATE INHIBITORS AND METHODS FOR MAKING AND USING SAME - Phosphate brine compositions reduce hydrate formation in flowlines under conditions conducive for hydrate formation in the absence of the phosphate, where the phosphate brines include a compatible anti-corrosion system and may include nitrate brines. | 03-26-2015 |
20150299552 | NOVEL WEIGHT MATERIALS FOR USE IN CEMENT, SPACER AND DRILLING FLUIDS - A drilling fluid, spacer fluid and cementing compositions for use in subterranean wells are disclosed along with methods for making using same, where the compositions include a weighting system having an effective amount of a metal silicon alloy, mixtures of metal silicon alloys, or mixtures of metal silicon alloys and conventional weighting agents, to produce compositions having a desired high density, while retaining other fluid properties such as pumpability, gas tight sealing, low tendency to segregate, and reduced high temperature cement strength retrogression. | 10-22-2015 |