Patent application number | Description | Published |
20130269941 | Treatment Fluids Comprising a Hydroxypyridinecarboxylic Acid and Methods for Use Thereof - Treatment fluids can mitigate the occurrence or effects of precipitation in a subterranean formation through complexation of a metal ion therein. Methods for treating a subterranean formation can comprise: providing a treatment fluid comprising a hydroxypyridinecarboxylic acid, a salt thereof, or a tautomer thereof; introducing the treatment fluid into a subterranean formation; and complexing a metal ion in the subterranean formation with the hydroxypyridinecarboxylic acid. | 10-17-2013 |
20140342953 | Complexation of Calcium Ions in the Presence of Quaternized Amine Compounds While Acidizing a Subterranean Formation - Acidizing operations in subterranean formations that contain both a siliceous material and a source of calcium ions can often be problematic due to the generation of calcium-containing precipitates, particularly calcium fluoride. Methods for treating a subterranean formation can comprise: providing a treatment fluid having a pH ranging between about 1 and about 4.5 and comprising a chelating agent, hydrofluoric acid or a hydrofluoric acid-generating compound, and a compound having two or more quaternized amine groups; introducing the treatment fluid into a subterranean formation containing a siliceous material and a source of calcium ions; dissolving at least a portion of the siliceous material in the subterranean formation with the hydrofluoric acid or the hydrofluoric acid-generating compound; and complexing at least a portion of the calcium ions in the subterranean formation with the chelating agent. | 11-20-2014 |
20140374107 | Methods and Systems for Acidizing Subterranean Formations with Treatment Fluids Containing Dual-Functioning Chelating Agents - When used outside the pH range at which metal ion complexation normally occurs, aminopolycarboxylic acids can moderate the reaction rate of acids with carbonate minerals. Methods for treating a subterranean formation can comprise: providing a treatment fluid comprising an aqueous carrier fluid, an acid, and a chelating agent comprising an aminopolycarboxylic acid, the treatment fluid having a pH below that at which the carboxylic acid groups of the chelating agent are substantially protonated and the chelating agent is ineffective for complexing a metal ion; introducing the treatment fluid into a subterranean formation comprising a carbonate mineral; reacting the acid with the carbonate mineral, such that the acid at least partially spends and the pH of the treatment fluid rises; and once the pH of the treatment fluid rises above a pK | 12-25-2014 |
Patent application number | Description | Published |
20120283494 | Dehydrogenation Process - In a dehydrogenation process a hydrocarbon stream comprising at least one non-aromatic six-membered ring compound and at least one five-membered ring compound is contacted with a first catalyst comprising at least one metal component and at least one support and a second catalyst. The first catalyst is utilized to convert at least a portion of the at least one non-aromatic six-membered ring compound in the hydrocarbon stream to at least one aromatic compound and the second catalyst is utilized to convert at least a portion of the at least one five-membered ring compound in the hydrocarbon stream to at least one paraffin. | 11-08-2012 |
20120323045 | Dehydrogenation of Cyclohexanone to Produce Phenol - In a process for the dehydrogenation of cyclohexanone to produce phenol, a feed comprising cyclohexanone is contacted with a dehydrogenation catalyst under dehydrogenation conditions comprising a temperature of less than 400° C. and a pressure of less than 690 kPa, gauge, such 0.1 to 50 wt % of the cyclohexanone in said feed is converted to phenol and the dehydrogenation product contains less than 100 ppm by weight of alkylbenzenes. | 12-20-2012 |
20130202522 | "HYDROALKYLATION PROCESSES" - The invention relates to hydroalkylation processes. In the processes, a hydrogen stream comprising hydrogen and an impurity is treated to reduce the amount of the impurity in the hydrogen stream. The hydrogen is then hydroalkylated with benzene to form at least some cyclohexylbenzene. The processes also relate to treating a benzene stream comprising benzene and an impurity with an adsorbent to reduce the amount of the impurity in the benzene stream. The hydroalkylation processes described herein may be used as part of a process to make phenol. | 08-08-2013 |
20130253246 | Selecting an Improved Catalyst Composition and Hydrocarbon Conversion Process Using Same - The present invention provides a method for selecting an improved catalyst composition comprising a crystalline molecular sieve material having a structure and properties whereby the catalyst composition has at least one active catalytic site with a Mono Alkylation Selectivity Factor (MASF) greater than or equal to 0 kcal/mol±0.5 kcal/mol, and optionally further at least one active catalytic site with an Olefin Oligomerization Suppression Factor (OOSF) greater than or equal to 5 kcal/mol±0.5 kcal/mol. Further, there is provided an improved process for conversion of hydrocarbon feedstock in the presence of said selected catalyst composition. | 09-26-2013 |
Patent application number | Description | Published |
20090259084 | Feed Pretreating - This invention provides for a process for the alkylation of an aromatic hydrocarbon stream having impurities in which a hydrocarbon feedstock is contacted with a first molecular sieve comprising Linde type X molecular sieve and having a Si/Al molar ratio of less than about 5 to remove at least a portion of said impurities and to produce a partially treated aromatic hydrocarbon stream; and then contacting said partially treated hydrocarbons stream with a second molecular sieve comprising a zeolite Y and having a Si/Al molar ratio of greater than about 5 to remove substantially all of the remaining portion of said impurities to produce a fully treated hydrocarbon feedstock having a reduced amount of impurities. The fully treated hydrocarbon feedstock is contacted with an alkylating agent in the presence of an alkylation catalyst having a cycle length and under alkylation conditions to produce an alkylated aromatic hydrocarbon stream. | 10-15-2009 |
20110224468 | Process for Producing Alkylaromatic Compounds - In a process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, a first feed stream comprising fresh alkylatable aromatic compound is passed to a first reaction zone which comprises a transalkylation catalyst and which also receives a second feed stream comprising polyalkylated aromatic compounds. The first and second feed streams are contacted with the transalkylation catalyst in the first reaction zone under conditions to transalkylate the polyalkylated aromatic compounds with the alkylatable aromatic compound to produce the desired monoalkylated aromatic compound. A first effluent stream comprising unreacted alkylatable aromatic compound and the monoalkylated aromatic compound is removed from the first reaction zone and passed to a fractionation system to separate the first effluent stream into a first light fraction comprising the unreacted alkylatable aromatic compound and a first heavy fraction comprising the monoalkylated aromatic compound. At least part of one or more impurities in the fresh feed stream are removed in the first reaction zone. | 09-15-2011 |
20130211036 | Oxidation of Alkylbenzenes - A process for oxidizing a composition comprising contacting an alkylbenzene of the general formula (I): | 08-15-2013 |
20130289323 | Activation and Use of Hydroalkylation Catalysts - A hydroalkylation catalyst comprising a molecular sieve and a compound of a hydrogenation metal is activated by treating the catalyst at a temperature of less than about 250° C. in the presence of hydrogen. | 10-31-2013 |
20140323766 | Process for Producing Cyclohexylbenzene - In a process for producing cyclohexylbenzene, benzene is reacted with cyclohexene in a first reaction zone under conditions effective to produce a reaction product comprising cyclohexylbenzene and at least one polycyclohexylbenzene. At least a portion of the reaction product and a stripping agent comprising at least one C | 10-30-2014 |
20140323782 | Dehydrogenation Process - Disclosed herein is a process for dehydrogenating a saturated cyclic hydrocarbon and/or 5-membered ring compound with a dehydrogenation catalyst. The dehydrogenation catalyst comprises: (i) 0.05 wt % to 5 wt % of a metal selected from Group 14 of the Periodic Table of Elements; and (ii) 0.1 wt % to 10 wt % of a metal selected from Groups 6 to 10 of the Periodic Table of Elements. The process is conducted under dehydrogenation conditions effective to dehydrogenate at least a portion saturated cyclic hydrocarbon and/or 5-membered ring compound. | 10-30-2014 |
20140336417 | Oxidation of Cyclohexylbenzene - In a process for oxidizing cyclohexylbenzene, a composition comprising cyclohexylbenzene is contacted with oxygen in at least one oxidation zone under oxidation conditions sufficient to produce at least some (i) cyclohexylbenzene hydroperoxide; (ii) a first byproduct; and (iii) a second byproduct in an effluent. A ratio β is determined according to the following formula: | 11-13-2014 |
20150038747 | Process for Producing Phenol - In a process for producing phenol, cyclohexylbenzene is oxidized to form a first reaction product comprising cyclohexylbenzene hydroperoxide and at least a portion of the cyclohexylbenzene hydroperoxide is then cleaved to form a second reaction product comprising phenol and cyclohexanone. At least one of the first and second reaction products comprises cyclohexenone, which is hydrogenated to produce further cyclohexanone. | 02-05-2015 |
Patent application number | Description | Published |
20130312977 | APPARATUSES, SYSTEMS, AND METHODS FOR FORMING IN-SITU GEL PILLS TO LIFT LIQUIDS FROM HORIZONTAL WELLS - Methods include the injection of a gelled, gelling or gellable composition into a horizontal section of a well at a location, where produced well gases or a combination of well gases and injected gases are sufficient to move the pill through the horizontal section into heal section, sweeping the horizontal section of accumulated liquids. Once in the heal section, the pill and the accumulated liquids are uplifted to the surface resulting in a cleaned well. | 11-28-2013 |
20150068747 | METHOD TO CONSOLIDATE SOLID MATERIALS DURING SUBTERRANEAN TREATMENT OPERATIONS - Compositions include (1) aggregating compositions capable of forming deformable partial or complete coatings on formation surfaces, formation particle surfaces, downhole fluid solid surfaces, and/or proppant surfaces, where the coatings increase aggregation and/or agglomeration propensities of the particles and surfaces to form particles clusters or pillars having deformable coatings, and (2) aggregation stabilizing and/or strengthening compositions capable of altering properties of the coated clusters or pillars to form consolidated, stabilized, and/or strengthened clusters or pillars. Methods for stabilizing aggregated particle clusters or pillars include (1) treating the particles with an aggregating composition to form aggregated clusters or pillars and (2) treating the aggregated particle clusters or pillars with a stabilizing or strengthening composition to form consolidated, stabilized, and/or strengthened clusters or pillars. | 03-12-2015 |
20150101808 | METHODS AND SYSTEM FOR CREATING HIGH CONDUCTIVITY FRACTURES - Methods for forming proppant pillars in a formation during formation fracturing include include periods of pumping a first fracturing fluid including a proppant and an aggregating composition including a reaction product of a phosphate compound or a plurality of phosphate and an amine, periods of pumping a second fracturing fluid excluding a proppant and an aggregating composition including a reaction product of a phosphate compound and periods of pumping a third fracturing fluid including an aggregating composition including a reaction product of a phosphate compound, where the pumping of the three fracturing fluids may be in any order and may involve continuous pumping, pulse pumping, or non-continuous pumping. | 04-16-2015 |
20150252250 | SYNTHETIC HYDRATABLE POLYMERS FOR USE IN FRACTURING FLUIDS AND METHODS FOR MAKING AND USING SAME - Downhole fluid compositions including a base fluid and an effective amount of a synthetic hydratable polymer system including a hydrophobically modified, cross-linked polyacrylate polymer, a hydrophilic, anionic, high molecular weight, cross-linked polyacrylic acid polymer, or mixtures and combinations thereof, where the effective amount is sufficient to achieve a desired viscosity profile and a desired breaking profile in the present of a breaking system in the absence of natural hydratable polymers. | 09-10-2015 |
Patent application number | Description | Published |
20080319769 | Activity Manager - An operations instance is created in an operations environment, and an activity item is created related to the operations instance. An initialization level for the activity item is identified and one or more parameters associated with the activity item are initialized based on the initialization level, wherein one of the parameters comprises an escalation parameter. An escalation report is generated based on the escalation parameter. | 12-25-2008 |
20090222361 | DATA MANAGEMENT SYSTEM - A data management system may include computer code to receive data that may include financial data and related data. The computer code may store the data in a database. The financial data may include data not tracked by a general ledger, such as contractual commitments, operating leases, head count, environmental incidents, lost time, disposal of operations, etc. The financial data may be applicable to different business units. The computer code may be configured to permit access to, entry of, and sign-off on the data only by users granted authority to do so. The financial data may include different data categories, and the data management system may be configured to use a different workflow to manage the data based on the data category of the financial data. The computer code may generate reports from the data retrieved from the database. | 09-03-2009 |
20100064358 | APPARATUS AND METHOD FOR MANAGING INFORMATION - A method and apparatus are provided for managing system identification information for workforce members such as employees, contractors and consultants that are affiliated with a business entity such as a corporation. The method and apparatus provide for the association of system identification information of a workforce member with each such workforce member in memory and further provides a review process of the same information by the relevant workforce member and one or more of the workforce member's supervisors. The review process allows each of the workforce member and the applicable supervisor(s) to confirm and, in some instances, reject the system identification information as being valid or not valid. The method and apparatus further maintains the review status of the workforce member and the applicable supervisor(s) and in one embodiment, provides for an audit of the same so that any discrepancies in the reviews are brought to light. | 03-11-2010 |
Patent application number | Description | Published |
20090073807 | GENERATING SEISMIC VIBRATOR SIGNALS - A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being partitioned as a function of time and/or frequency, wherein each of the plurality of signals comprises a distinguishing signature. The partitioned vibratory signals are emitted into a terrain of interest as seismic source signals for conducting a seismic survey. | 03-19-2009 |
20100149915 | Acquiring Seismic Vibrator Signals Having Distinguishing Signatures - A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being partitioned as a function of time and/or frequency, wherein each of the plurality of signals comprises a distinguishing signature. The partitioned vibratory signals are emitted into a terrain of interest as seismic source signals for conducting a seismic survey. | 06-17-2010 |
20100149916 | Processing Seismic Vibrator Signals Having Distinguishing Signatures - A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being partitioned as a function of time and/or frequency, wherein each of the plurality of signals comprises a distinguishing signature. The partitioned vibratory signals are emitted into a terrain of interest as seismic source signals for conducting a seismic survey | 06-17-2010 |
20100149922 | Apparatus for Generating Seismic Signals Having Distinguishing Signatures - A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being partitioned as a function of time and/or frequency, wherein each of the plurality of signals comprises a distinguishing signature. The partitioned vibratory signals are emitted into a terrain of interest as seismic source signals for conducting a seismic survey | 06-17-2010 |
20100157734 | Generating Seismic Vibrator Signals Having Distinguishing Signatures - A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being partitioned as a function of time and/or frequency, wherein each of the plurality of signals comprises a distinguishing signature. The partitioned vibratory signals are emitted into a terrain of interest as seismic source signals for conducting a seismic survey. | 06-24-2010 |
Patent application number | Description | Published |
20080299029 | Gas-Phase Process for Growing Carbon Nanotubes Utilizing Sequential Multiple Catalyst Injection - This invention relates generally to a method and apparatus for making carbon nanotubes from a flowing gaseous carbon-containing feedstock, such as CO, at superatmospheric pressure and at temperatures between about 500° C. and about 2000° C. utilizing a reactor wherein the flowing carbon-containing feedstock sequentially passes multiple points of catalyst injection, where the catalyst is provided by the decomposition of one or more catalyst precursor species, such as Fe(CO) | 12-04-2008 |
20100254886 | Carbon Nanotube Particulates, Compositions and Use Thereof - A method for making carbon nanotube particulates involves providing a catalyst comprising catalytic metals, such as iron and molybdenum or metals from Group VIB or Group VIIIB elements, on a support material, such as magnesia, and contacting the catalyst with a gaseous carbon-containing feedstock, such as methane, at a sufficient temperature and for a sufficient contact time to make small-diameter carbon nanotubes having one or more walls and outer wall diameters of less than about 3 nm. Removal of the support material from the carbon nanotubes yields particulates of enmeshed carbon nanotubes that retain an approximate three-dimensional shape and size of the particulate support that was removed. The carbon nanotube particulates can comprise ropes of carbon nanotubes. The carbon nanotube particulates disperse well in polymers and show high conductivity in polymers at low loadings. As electrical emitters, the carbon nanotube particulates exhibit very low “turn on” emission field. | 10-07-2010 |
20130330244 | COMPOSITIONS AND METHODS FOR TOPICAL NITRIC OXIDE GENERATION - A simple, biocompatible two-component system and procedure for generating nitric oxide (NO) is described. One component comprises sodium nitrite or other nitrite source, and the other component comprises a reductant, an acid and a base although in certain embodiments the reductant and acid functions are provided by the same component. When these two components are mixed directly at a local site of administration or immediately prior to application and the mixture generates nitric oxide (NO) for topical application. The activated system is therapeutic for treatment of multiple conditions, including promotion of healing, disinfection, promotion of hair growth, and treatment of male and female sexual dysfunction. | 12-12-2013 |
20140056957 | EXTENDED PRODUCTION OF NITRIC OXIDE FROM MICROENCAPSULATED CHEMICAL REACTANTS - Methods and compositions are provided for generating and applying long-lasting therapeutic nitric oxide (NO) gas from the reaction of water-soluble chemical reactants microencapsulated in polymer matrices. In some applications the microencapsulated reactants are introduced in an aqueous gel, and in other applications they are introduced to the area of therapy either directly or in a medical device such as a therapeutic pad or dressing. In some applications, the microencapsulated chemical precursors are maintained in close physical proximity to one another in a limited volume, and using a limited amount of solvent residing within that same volume to extract and process the chemical precursors to form NO. | 02-27-2014 |
20140056963 | EXTENDED PRODUCTION OF NITRIC OXIDE FROM A MICROENCAPSULATED NITRITE SALT AND AN AQUEOUS ACIDIFIED GEL - Methods and compositions are provided for generating and applying long-lasting therapeutic nitric oxide (NO) gas from the reaction of a least one microencapsulated nitrite salt and an activating volume of an aqueous acidified gel that has sufficient acidity to convert the nitrite salt to a nitric oxide (NO) and further provides a reducing property that retains the NO in bioactive form | 02-27-2014 |
Patent application number | Description | Published |
20140318793 | HYDRAULIC DIVERSION SYSTEMS TO ENHANCE MATRIX TREATMENTS AND METHODS FOR USING SAME - Systems and methods for treating formation intervals including forming a low permeability layer on a surface of the interval and pumping a sand control treating solution through the layer, which diverts the flow into the formation permitting improved treatment uniformity and improved overall internal treatment. | 10-30-2014 |
20150068747 | METHOD TO CONSOLIDATE SOLID MATERIALS DURING SUBTERRANEAN TREATMENT OPERATIONS - Compositions include (1) aggregating compositions capable of forming deformable partial or complete coatings on formation surfaces, formation particle surfaces, downhole fluid solid surfaces, and/or proppant surfaces, where the coatings increase aggregation and/or agglomeration propensities of the particles and surfaces to form particles clusters or pillars having deformable coatings, and (2) aggregation stabilizing and/or strengthening compositions capable of altering properties of the coated clusters or pillars to form consolidated, stabilized, and/or strengthened clusters or pillars. Methods for stabilizing aggregated particle clusters or pillars include (1) treating the particles with an aggregating composition to form aggregated clusters or pillars and (2) treating the aggregated particle clusters or pillars with a stabilizing or strengthening composition to form consolidated, stabilized, and/or strengthened clusters or pillars. | 03-12-2015 |
20150101808 | METHODS AND SYSTEM FOR CREATING HIGH CONDUCTIVITY FRACTURES - Methods for forming proppant pillars in a formation during formation fracturing include include periods of pumping a first fracturing fluid including a proppant and an aggregating composition including a reaction product of a phosphate compound or a plurality of phosphate and an amine, periods of pumping a second fracturing fluid excluding a proppant and an aggregating composition including a reaction product of a phosphate compound and periods of pumping a third fracturing fluid including an aggregating composition including a reaction product of a phosphate compound, where the pumping of the three fracturing fluids may be in any order and may involve continuous pumping, pulse pumping, or non-continuous pumping. | 04-16-2015 |
Patent application number | Description | Published |
20080227952 | Method and apparatus for separation of polymer from a slurry - Provided for separating polymer from a slurry comprising polymer and unreacted carrier fluid is (a) a method comprising supplying slurry to a first heating means to increase the temperature of the slurry, using a first separator means to extract a portion of unreacted carrier fluid from the slurry to obtain a slurry enriched in polymer, supplying the enriched slurry to a second heating means to increase the temperature of the enriched slurry, and using a second separator means to extract an additional portion of unreacted carrier fluid from the enriched slurry to obtain a further enriched slurry, and (b) an apparatus comprising a first heating means, a first separator means, a second heating means and a second separator means. | 09-18-2008 |
20090023872 | Polypropylene series reactor - Aspects of the invention are directed to a process for producing polypropylene comprising: providing series reactors comprising a first and a second loop allowing flow of polypropylene, catalyst, hydrogen and propylene there between, wherein each loop comprises from six to eight legs, each leg having fluid connections there between; injecting into the first loop an amount of a catalyst, propylene and optionally hydrogen; withdrawing polypropylene, and unreacted propylene and optionally unreacted hydrogen from the first loop and injecting the polypropylene, and unreacted propylene and optionally unreacted hydrogen into the second loop; and providing a propylene/polypropylene separator fluidly connected to the second loop and isolating polypropylene therefrom. In one embodiment a recycle conduit is provided between the propylene/polypropylene separator and the second loop allowing the recycling of unreacted propylene and optionally hydrogen into the second loop. | 01-22-2009 |
20100317908 | Integrated Dimethyl Ether Recovery From An Oxygenate-To-Olefins Process And Production Of Polypropylene - Provided is a method of producing polypropylene comprising contacting an oxygenate stream with a molecular sieve to form an olefin stream comprising propane, propylene and dimethylether; introducing the olefin stream into a propylene rectification tower possessing from less than 200 theoretical stages; withdrawing from the propylene rectification tower a bottom stream comprising dimethylether, a sidestream comprising propane, and an overhead stream comprising propane and propylene; introducing the overhead to a condenser to accumulate a propylene-rich stream; passing the propylene-rich stream to a splitter to produce (i) a first propylene stream that is introduced into a polypropylene reactor to contact a polyolefin catalyst, and (ii) a second propylene stream that is re-introduced into the rectification tower, the first and second propylene streams introduced at a desirable ratio; and recirculating the dimethylether stream to contact the molecular sieve. | 12-16-2010 |
20130171735 | System and Method for Monitoring Bubble Formation Within A Reactor - Bubble formation is monitored in a reactor such as a loop polymerization reactor which effectively operates at pressures above or near the vapor pressure of a circulating slurry liquid. The method measures a property of the reactor composition at a first location within the reactor, and then at a second location within the reactor. The process is repeated, followed by determining if the difference in measured property varies from a reference difference, derived under bubble-free conditions. When the difference in measured physical property has changed relative to the reference difference, an effect may be implemented, e.g., increase of reactor pressure, decrease of composition vapor pressure, and decrease of reactor temperature, to an extent sufficient to reduce or eliminate bubbling. | 07-04-2013 |
20130203946 | Method For Controlling Bubble Formation In Polymerization Reactors - Disclosed herein are methods for controlling bubble formation in a polymerization reactor. The method includes: (a) determining a concentration of at least one component at a location in the reactor using a mathematical model; (b) determining a vapor pressure of the composition based at least in part upon the concentration of the component; (c) determining an operating pressure of the reactor at the location; (d) determining a pressure difference as ΔP =P | 08-08-2013 |
Patent application number | Description | Published |
20080271890 | Fracture Stimulation Of Layered Reservoirs - A hydraulic fracturing process consisting essentially of drilling a wellbore through at least one reservoir formation, installing in said wellbore at least one conduit, ensuring pressure communication between said wellbore and said reservoir formation, at a higher effective stress formation, selecting the location of said pressure communication between said wellbore and said reservoir formation for control of said hydraulic fracturing process and pumping a hydraulic fracturing treatment comprising a fracturing fluid and a proppant, at a sufficient pressure via said conduit to create at least one fracture in said higher effective stress formation. Also disclosed are processes for increasing conductivity near a wellbore and producing fluids from a lower effective stress permeable formation via a fracture extending from the higher effective stress fracture formation into the lower effective stress permeable formation. | 11-06-2008 |
20100081586 | WELLBORE TREATMENT COMPOSITIONS - The disclosed compositions and methods utilize hydrophilic polymers modified by the incorporation of one or more hydrophilic side groups. The polymers may exhibit physical association in solution at a specific temperature so as to provide a significant increase in viscosity at the specific temperature. The viscosity of such systems is substantially increased by the further inclusion of one or more hydrophilic components that may exhibit physical association in solution at one or more temperature trigger points and also associate with the one or more hydrophilic polymers modified by the incorporation of one or more hydrophilic side groups. | 04-01-2010 |
20100167965 | Amphiphobic Proppant - Methods and compositions for forming a hydraulic fracture are disclosed herein. The methods and compositions make use of novel amphiphobic proppants. The amphiphobic properties of the disclosed proppant compositions provide several advantages over existing solutions. The hydrophobic nature of the proppant enhances recovery of fracture fluid from the fracture as well as prevents liquid build-up with the fracture. Additionally, the lipophobic nature of the proppant may enhance production of hydrocarbons from the fracture. | 07-01-2010 |
20120111570 | WELLBORE TREATMENT COMPOSITIONS COMPRISING HYDROPHILICALLY MODIFIED POLYMERS AND NONIONIC SURFACTANTS - The disclosed compositions and methods utilize hydrophilic polymers modified by the incorporation of one or more hydrophilic side groups. The polymers may exhibit physical association in solution at a specific temperature so as to provide a significant increase in viscosity at the specific temperature. The viscosity of such systems is substantially increased by the further inclusion of one or more hydrophilic components that may exhibit physical association in solution at one or more temperature trigger points and also associate with the one or more hydrophilic polymers modified by the incorporation of one or more hydrophilic side groups. | 05-10-2012 |
Patent application number | Description | Published |
20090032253 | Composition and Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 02-05-2009 |
20090032254 | Composition and Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 02-05-2009 |
20090038798 | Composition and Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 02-12-2009 |
20090065208 | Composition and Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 03-12-2009 |
20090137433 | Composition And Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 05-28-2009 |
20110077176 | Composition And Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 03-31-2011 |
20130022816 | Composition And Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 01-24-2013 |