Class / Patent application number | Description | Number of patent applications / Date published |
507102000 | Contains intended gaseous phase at entry into wellbore | 10 |
20090143253 | Drilling fluids containing microbubbles - A drilling fluid comprises water and microbubbles in an amount to achieve a density of the fluid in the range of 4-6 pounds per gallon; the desired density is achieved, and the novel drilling fluid exists, at pressures in the range of 350-5000 pounds per square inch. | 06-04-2009 |
20090170730 | SILICATE DRILLING FLUID COMPOSITION CONTAINING LUBRICATING AGENTS AND USES THEREOF - The present disclosure relates to the compositions of a water-based silicate drilling fluid comprising: (1) alkali metal silicates; (2) cationic polyacrylamide; (3) a lubricant composition; and (4) other conventional drilling fluid additives. The lubricant composition comprises a lubricating effective amount of a carrier oil and one or more lubricants selected from lecithins, sulfurized vegetable and/or lard oils or modified castor oil. | 07-02-2009 |
20100144559 | Kinetic Gas Hydrate Inhibitors in Completion Fluids - Gas hydrate formation in a well completion fluid in the annular space of a hydrocarbon producing well may be controlled by the incorporation of effective amounts of one or more low dose gas hydrate inhibitors, including but not limited to, low dosage hydrate inhibitors (LDHIs), kinetic hydrate inhibitors, dendrimeric or branched compounds, linear polymers and copolymers, grafted or branched linear polymers and copolymers, and onium compounds. | 06-10-2010 |
20110092394 | FLUORINATED CATIONIC SURFACTANT - A composition comprising a fluorinated pyridinium cationic compound of formula (I) | 04-21-2011 |
20120088697 | FOAMER/SULFUR SCAVENGER COMPOSITION AND METHODS FOR MAKING AND USING SAME - A new multi-purpose foaming composition having applications in oil field application, industrial applications, waste management applications, or other applications that can be benefited by a foam, is disclosed, where the composition includes a surfactant, a sulfur scavenger and optionally an additive, where the sulfur scavenger and/or additive improve foam characteristics and/or the foam improves an activity of the sulfur scavenger and/or the additives. Method for using and making the foaming compositions are also disclosed, especially, coiled and capillary coiled tubing downhole applications. | 04-12-2012 |
20130252853 | NOVEL PROCESS FOR DRILLING SUBTERRANEAN CAVITIES - A process for drilling cavities in subterranean formations includes a step of removal of the drill cuttings using an aqueous fluid in the form of a foam, obtained by mixing: an aqueous composition (Ci) including, per 100% by weight: from 0.5% by weight to 25% by weight of a compound of formula (I): R | 09-26-2013 |
20150087560 | POLYGLYCOLIC ACID RESIN SHORT FIBERS FOR USE IN WELL TREATMENT FLUID - Polyglycolic acid resin short fibers for a well treatment fluid, the fibers having the following characteristics of (a) to (e): (a) an outside diameter of 5 to 300 μm; (b) a fiber length of 1 to 30 mm; (c) fineness of 0.1 to 25 D; (d) strength of 1 to 20 gf/D; and (e) a ratio of an area of the polyglycolic acid resin with respect to an area of a circle circumscribing a cross section of the fibers being from 10 to 95%; and a well treatment fluid containing the polyglycolic acid resin short fibers for a well treatment fluid. | 03-26-2015 |
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 |
20150141300 | FLUOROUS ADDITIVES FOR USE IN A FLUOROUS-BASED TREATMENT FLUID - A treatment fluid comprises: a liquid fluorinated compound; and at least one additive, wherein the additive: (A) comprises carbon and at least one fluorine functional group; and (B) is soluble or dispersible in the liquid fluorinated compound. A method of treating a portion of a well comprises: forming the treatment fluid; and introducing the treatment fluid into the well. | 05-21-2015 |