Matches 1 - 50 out of 164 1 2 3 4 >


Match Document Document Title
US20110120705 Simulating Injection Treatments from Multiple Wells  
Systems, methods, and instructions encoded in a computer-readable medium can perform operations related to simulating injection treatments applied to a subterranean formation from multiple well...
US20090194281 OPTIMUM SALINITY PROFILE IN SURFACTANT/POLYMER FLOODING  
An optimum salinity profile in surfactant/polymer flooding from formation water to post-flush drive that leads to the highest oil recovery factor is shown. The optimum salinity determined from...
US20140083693 Enzyme Enhanced Oil Recovery  
The invention relates to a method of establishing an enhanced oil recovery in an underground reservoir by means of a recovery system, the recovery system comprising at least one injection and...
US20140000879 PETROLEUM RECOVERY PROCESS AND SYSTEM  
A system and process are provided for recovering petroleum from a formation. An oil recovery formulation comprising at least 75 mol % dimethyl sulfide that is first contact miscible with a liquid...
US20120255729 MULTISTAGE PROCESS FOR PRODUCING MINERAL OIL USING MICROORGANISMS  
A multistage process for producing mineral oil from mineral oil deposits by injecting aqueous flooding media into a mineral oil formation through injection boreholes and withdrawing the mineral...
US20110232903 ENHANCED BITUMEN RECOVERY USING HIGH PERMEABILITY PATHWAYS  
Methods are provided for enhancing recovery of heavy oil from oil sand reservoirs through the creation of subsurface high permeability pathways distributed throughout the oil sand reservoirs. The...
US20120181022 VDA/ACID SYSTEM FOR MATRIX ACID STIMULATION  
A method of preventing phase separation of a viscoelastic surfactant fluid due to ferric ions during matrix acidizing is described which involves including citric acid and acetic acid in the...
US20140131038 PLUGGING THIEF ZONES AND FRACTURES BY IN-SITU AND IN-DEPTH CRYSTALLIZATION FOR IMPROVING WATER SWEEP EFFICIENCY OF SANDSTONE AND CARBONATE RESERVOIRS  
The present invention relates to methods and compositions that can be used to delay crystallization of a treatment solution so that thief zones or fractures are plugged in subterranean formations...
US20120255728 Plugging Thief Zones and Fractures by In-Situ and In-Depth Crystallization for Improving Water Sweep Efficiency of Sandstone and Carbonate Reservoirs  
The present invention relates to methods and compositions that can be used to delay crystallization of a treatment solution so that thief zones or fractures are plugged in subterranean formations...
US20140332208 Seawater Transportation for Utilization in Hydrocarbon-Related Processes  
Systems and methods for transporting seawater from a seawater source to an inland site for utilization as a drilling and/or fracturing fluid are disclosed. In an aspect, systems and methods are...
US20120073809 DIVERSION PILL AND METHODS OF USING THE SAME  
The invention provides a method made of steps of method injecting into a wellbore, a composition comprising an aqueous solution, a viscosifying agent, a degradable material, and sized salt...
US20140190690 OIL FORMULATION FOR PREVENTING WATER PENETRATION IN UNDERGROUND FORMATIONS  
The present invention relates to the use of an oil formulation in the field of the oil industry, in particular for the prevention of water penetration. The formulation according to the invention...
US20110278000 GEOTHERMAL WELL DIVERSION AGENT FORMED FROM IN SITU DECOMPOSITION OF CARBONYLS AT HIGH TEMPERATURE  
A method of selectively blocking fractures in a subterranean formation by injecting a diversion agent into the well is disclosed. According to one embodiment, the method comprises injecting a...
US20120145387 Compositions and Methods for Servicing Subterranean Wells  
Disclosed are pumpable-fluid compositions and methods for establishing hydraulic isolation in cemented subterranean wells. The fluid compositions comprise solids-free solutions of water-soluble...
US20140318773 METHANE ENHANCED LIQUID PRODUCTS RECOVERY FROM WET NATURAL GAS  
A process is described for enhancing the yield of liquid products from natural gas from at least one extraction well. This process is achieved by injecting methane at a higher pressure than the...
US20140096954 METHOD OF DEVELOPING SUBSURFACE BARRIERS  
A method and apparatus for construction of a subsurface barrier for the recovery of petroleum fluids from the subsurface by steam and/or solvent injection. Multiple propped vertical inclusions at...
US20130248176 ULTRA LOW CONCENTRATION SURFACTANT FLOODING  
A method of recovering oil from a formation that includes the use of surfactants at low concentrations. The surfactant may be an oleophilic surfactant. The method may include conditioning an oil...
US20120222860 SELECTIVE PLACEMENT OF CONFORMANCE TREATMENTS IN MULTI-ZONE WELL COMPLETIONS  
Selective placement of conformance treatments in multi-zone well completions. A method includes injecting a relative permeability modifier into a zone and optimizing a ratio of desired fluid to...
US20120160483 Hybrid Dump Bailer and Method of Use  
A hybrid dump bailer is disclosed herein comprising a bailer tubes for containing a material, such as cement slurry, to be dumped. The hybrid dump bailer comprises a pressure pulse piston that is...
US20120152535 FORMULATION AND METHOD OF USE FOR STIMULATION OF HEAVY AND EXTRAHEAVY OIL WELLS  
A method for altering flow conditions in a porous media containing hydrocarbons includes the steps of preparing a mixture of a surfactant, a co-surfactant and a carrier fluid; transporting the...
US20100096128 ENHANCING HYDROCARBON RECOVERY  
Recovery of hydrocarbon fluid from low permeability sources is enhanced by introduction of a treating fluid. The treating fluid may include one or more constituent ingredients designed to cause...
US20130068457 Method of Manufacture of Guerbet Alcohols For Making Surfactants Used In Petroleum Industry Operations  
A method is disclosed for manufacturing surfactants for utilization in petroleum industry operations. The method comprises providing a bio-lipid. The bio-lipid can include one or more medium-chain...
US20120241151 PROCESS FOR MINERAL OIL PRODUCTION USING SURFACTANTS FROM THE CLASS OF THE ALKYL POLYGLUCOSIDES  
A process for mineral oil production, in which an aqueous surfactant formulation comprising at least one alkyl polyglucoside is injected into a mineral oil deposit through at least one injection...
US20110120706 Refining Information on Subterranean Fractures  
Systems, methods, and instructions encoded in a computer-readable medium can perform operations related to refining information on characteristics of natural fractures of a subterranean formation....
US20120247759 FORMULATION AND METHOD OF USE FOR EXPLOITATION OF HEAVY AND EXTRA HEAVY OIL WELLS  
A combined injection and production method includes the steps of: establishing a production well and an injection well into a hydrocarbon-bearing formation; introducing a mixture of a surfactant,...
US20150166878 Mobility Control Fluid Composition Comprising Amine Oxide Compound and Enhanced Oil Recovery Method Using the Same  
Provided are a mobility control fluid composition for enhancing oil recovery from an oilfield used for enhancing oil recovery from the oilfield and an enhanced oil recovery method using the same,...
US20130168089 METHOD FOR PRODUCING OIL  
The present disclosure relates to enhanced oil recovery methods including the injection of solvent and polymer floods to increase hydrocarbon production from oil bearing underground rock...
US20110220353 USE OF SURFACTANT MIXTURES OF POLYCARBOXYLATES FOR MICROEMULSION FLOODING  
The present invention relates to processes for tertiary mineral oil production with the aid of a surfactant mixture and to the use of a surfactant mixture for tertiary mineral oil production by...
US20100018709 METHOD OF GRAVEL PACKING A WELL CONTAINING SYNTHETIC OR OIL-BASED DRILLING FLUIDS  
A method of gravel packing a wellbore penetrating a subterranean formation is provided. The wellbore has a cased section and an uncased section and contains synthetic or oil-based drilling fluids...
US20120205099 PROCESS FOR MINERAL OIL PRODUCTION FROM MINERAL OIL DEPOSITS WITH HIGH DEPOSIT TEMPERATURE  
A two-stage process for mineral oil production from mineral oil deposits with a deposit temperature of more than 70° C. and a salinity of 20 000 ppm to 350 000 ppm, in which an aqueous formulation...
US20130098609 USE OF TRIS(2-HYDROXYPHENYL)METHANE DERIVATIVES FOR TERTIARY MINERAL OIL PRODUCTION  
A process for mineral oil production, in which an aqueous formulation comprising tris(2-hydroxyphenyl)methane of the general formula (I) is injected into a mineral oil deposit through an injection...
US20120241148 CONTROL OF FLUID FLOW DURING TREATMENT OF SUBTERRANEAN SITES USING WELL FLUID INJECTION  
Disclosed herein is a method to control distribution of injected microorganisms, nutrients or other chemical treatment fluids from a single injection well to multiple production wells. The sweep...
US20130312958 RESERVOIR TREATMENT  
A method of treatment of a subterranean hydrocarbon-bearing reservoir, the reservoir comprising at least one porous and permeable rock formation, the reservoir being penetrated by a plurality of...
US20110265994 Systems and Methods For Hydraulic Barrier Formation To Improve Sweep Efficiency In Subterranean Oil Reservoirs  
Systems and methods for creating a hydraulic barrier at an interface between high and low permeability regions that may exist in high permeability-contrast subterranean formations. These systems...
US20110259583 PROCESS FOR EXTRACTING MINERAL OIL USING SURFACTANTS, ESPECIALLY BASED ON C35 SECONDARY ALCOHOL-CONTAINING ALKYL ALKOXYLATES  
The present invention relates to a process for mineral oil extraction by means of Winsor Type III microemulsion flooding, in which an aqueous surfactant formulation comprising at least one ionic...
US20120067570 LOW SALINITY RESERVOIR ENVIRONMENT  
The present invention relates generally to methods and systems for hydrocarbon recovery. More particularly, but not by way of limitation, embodiments of the present invention include methods and...
US20120261120 PROCESS FOR THE RECOVERY OF HEAVY OIL FROM AN UNDERGROUND RESERVOIR  
A process for the recovery of heavy oil from an underground reservoir, comprising: injecting an oil-in-water nanoemulsion into one or more injection wells; recovering said heavy oil from one or...
US20140202693 NANOGELS FOR DELAYED GELATION  
The instant application relates to nanogels or compositions that hold multivalent metal ions until some level of nanogel degradation has occurred, then slowly release the multivalent metal ions...
US20120125603 Systems and Methods For Enhanced Waterfloods  
Methods for enhanced oil recovery from a subterranean formation including adding a first salt to a first aqueous stream to form a first injection stream with an increased concentration of a first...
US20080135243 Method of Reducing Water Influx Into Gas Wells  
A method of reducing water influx into a wellbore, wherein the wellbore is in fluid communication with a subterranean formation such as a gas producing formation or gas reservoir. The method...
US20110192600 PRECISION LOW FLOW RATE FLUID DELIVERY SYSTEM AND METHODS FOR CONTROLLING SAME  
A method is provided for controllably delivering an additive fluid into a host fluid in a target system at a desired volumetric flow rate. The method comprises: providing a binary supply injector...
US20070079963 Process for foaming a wet hydrocarbon composition  
A composition of a wet hydrocarbon foaming agent including a siloxane can foam wet hydrocarbons. The siloxane wet hydrocarbon foaming agent advantageously foams hydrocarbons that have as little as...
US20140116690 PROCESS FOR MINERAL OIL PRODUCTION USING SURFACTANTS AT LEAST COMPRISING A SECONDARY ALKANESULFONATE AS A COSURFACTANT  
The present invention relates to a surfactant mixture comprising at least one secondary alkanesulfonate having 14 to 17 carbon atoms of the general formula (I) and at least one anionic surfactant...
US20110083846 PROCESS FOR TERTIARY MINERAL OIL PRODUCTION USING SURFACTANT MIXTURES  
A process for mineral oil production, especially Winsor type III microemulsion flooding, in which an aqueous surfactant formulation which comprises at least one nonionic surfactant having 8 to 30...
US20080257551 Methods of Chemical Diversion of Scale Inhibitors  
A method of treating a hydrocarbon-containing formation including injecting a scale inhibiting well treating fluid into a well, wherein the well treating fluid includes a self-diverting acid that...
US20090065204 Methods for recovering oil from an oil reservoire  
There is a method for enhancing the recovery of oil from a reservoir. The method has the step of a) introducing a flooding fluid into the reservoir and b) extracting the oil through a wellbore at...
US20100096129 METHOD OF HYDROCARBON RECOVERY  
A method is given for treating a wellbore to increase the production of hydrocarbons from a subterranean formation penetrated by a wellbore, involving a period of injecting into the formation an...
US20110088899 PROCESS FOR THE PRODUCTION OF MINERAL OIL  
The present invention relates to a process for the production of mineral oil from mineral oil deposits with large temperature gradients, in which, for increasing the mineral oil yield, highly...
US20070039732 Methods and compositions for improving hydrocarbon recovery by water flood intervention  
Methods useful in improving hydrocarbon recovery from subterranean formations using relative permeability modifier (RPM) macromolecules are described. The RPMs are typically crosslinked RPMs...
US20080173448 Methods for treating intervals of a subterranean formation having variable permeability  
Methods of using water-soluble hydrophobically modified polymers to treat intervals of a subterranean formation having variable permeabilities. An exemplary embodiment provides a method of...

Matches 1 - 50 out of 164 1 2 3 4 >