| Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186) |
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| 01/02/2013 | CN102051161B Thick oil huff and puff deep channel blocking system and injection method thereof |
| 01/02/2013 | CN102020981B Temperature-resistant, salt-resistant and low-tension foam flooding agent and preparation method thereof |
| 01/02/2013 | CN101985888B Method for draining gas of highly gassy coal mine |
| 01/02/2013 | CN101956545B Skid-mounted integrated movable water injection device |
| 01/02/2013 | CN101956544B Method for oil extraction in multi-bottom and multi-branch well by artesian injection |
| 01/02/2013 | CN101886539B Scale separating and removing filter device of oil extracting and transporting equipment |
| 01/02/2013 | CN101798914B Method for improving high-temperature stability of sulfonated drilling fluid |
| 01/02/2013 | CN101793137B Oil-water displacement efficiency experimental method of longitudinal and planar nonhomogeneous slab models |
| 01/02/2013 | CN101772617B Method for altering the stress state of a formation and/or a tubular |
| 01/02/2013 | CN101535443B Hydrocarbon recovery process |
| 01/02/2013 | CN101432501B Multi-zone, single trip well completion system and methods of use |
| 01/02/2013 | CN101346324B Low density proppant particles and use thereof |
| 01/02/2013 | CN101326341B Particle control screen with depth filtration |
| 01/02/2013 | CN101310093B Methods for recovering oil from an oil reservoir |
| 01/01/2013 | US8343897 Scale inhibiting well treatment |
| 01/01/2013 | US8343894 Controlled variable density fluid for wellbore operations |
| 01/01/2013 | US8342248 Apparatus for venting an annular space between a liner and a pipeline of a subsea riser |
| 01/01/2013 | US8342246 Fracturing systems and methods utilyzing metacritical phase natural gas |
| 01/01/2013 | US8342245 Multi-position valves for fracturing and sand control and associated completion methods |
| 01/01/2013 | US8342241 Delivery of nanodispersions below ground |
| 01/01/2013 | US8342240 Method for providing a temporary barrier in a flow pathway |
| 01/01/2013 | US8342094 Dissolvable material application in perforating |
| 12/29/2012 | CA2779027A1 Gellable treatment fluids comprising amino group gel-time modifiers and methods for use thereof |
| 12/28/2012 | CA2847742A1 In situ combustion recovery process for mature steam-assisted gravity drainage operations |
| 12/28/2012 | CA2778498A1 Multiple sectioned wire-wrapped screens |
| 12/28/2012 | CA2745017A1 Drilling fluid and methods |
| 12/28/2012 | CA2744640A1 Cyclic combustion recovery process for mature in situ operations |
| 12/27/2012 | WO2012178203A2 Expandable filtering system for single packer systems |
| 12/27/2012 | WO2012177926A2 Liner top packer for liner drilling |
| 12/27/2012 | WO2012177724A1 Subsea connector with a latching assembly |
| 12/27/2012 | WO2012177680A2 Well-based fluid communication control assembly |
| 12/27/2012 | WO2012177625A1 Process and apparatus for making proppants |
| 12/27/2012 | WO2012177570A1 Degradable fiber systems for well treatments and their use |
| 12/27/2012 | WO2012177568A1 Encapsulated materials and their use in oil and gas wells |
| 12/27/2012 | WO2012177460A2 Production system and method of varying restrictions to flow along the same |
| 12/27/2012 | WO2012177442A2 Coatings for welbore tools, components having such coatings, and related methods |
| 12/27/2012 | WO2012177434A1 Microbial enhanced oil recovery delivery systems and methods |
| 12/27/2012 | WO2012177346A1 Electrically conductive methods for in situ pyrolysis of organic-rich rock formations |
| 12/27/2012 | WO2012177329A1 Subsea containment cap adapters |
| 12/27/2012 | WO2012176130A1 Treating oil contaminated wastewater |
| 12/27/2012 | WO2012175695A1 An annular barrier with external seal |
| 12/27/2012 | WO2012174663A1 Fracturing port locator and isolation tool |
| 12/27/2012 | WO2012174662A1 Kobe sub with inflow control, wellbore tubing string and method |
| 12/27/2012 | WO2012174600A1 A flushing tool and method of flushing perforated tubing |
| 12/27/2012 | WO2012148578A3 Centrifugal subterranean debris collector |
| 12/27/2012 | WO2012145488A3 System and method for deploying a downhole casing patch |
| 12/27/2012 | WO2012135292A3 Apparatus and method for completing wells using slurry containing a shape-memory material particles |
| 12/27/2012 | WO2012134908A3 Selectable, internally oriented and/or integrally transportable explosive assemblies |
| 12/27/2012 | WO2012125933A3 Hydraulic fracture diverter apparatus and method thereof |
| 12/27/2012 | WO2012125890A3 Controlled release biocides in oilfield applications |
| 12/27/2012 | WO2012118617A3 Dispersing separated hydrocarbon gas into separated oil during surface well testing for improved oil mobility |
| 12/27/2012 | WO2012112247A3 Screen, method of expanding a screen and method of conforming a screen to a borehole |
| 12/27/2012 | WO2012109511A3 Submerged void filling |
| 12/27/2012 | WO2012094314A3 Method and apparatus for dissimilar metal completion system |
| 12/27/2012 | WO2012088216A3 Method for treating hydrocarbon-bearing formations with fluorinated amine |
| 12/27/2012 | WO2012079009A3 A method to improve reservoir simulation and recovery from fractured reservoirs |
| 12/27/2012 | WO2012074767A3 Perforating safety system and assembly |
| 12/27/2012 | WO2011157763A3 Method of improving the production of a mature gas or oil field |
| 12/27/2012 | WO2011154683A3 Perforating gun and method of perforating a well |
| 12/27/2012 | WO2011141687A3 Subterranean flow barriers containing tracers |
| 12/27/2012 | WO2011123748A3 System and method for real time data transmission during well completions |
| 12/27/2012 | US20120329930 Hydrogen sulfide scavenger for use in hydrocarbons |
| 12/27/2012 | US20120325751 Flowback separation system |
| 12/27/2012 | US20120325500 Well-based fluid communication control assembly |
| 12/27/2012 | US20120325499 Liner top packer for liner drilling |
| 12/27/2012 | US20120325492 Drilling Composition, Process for its Preparation, and Applications Thereof |
| 12/27/2012 | US20120325489 Apparatus and methods for use in establishing and/or maintaining controlled flow of hydrocarbons during subsea operations |
| 12/27/2012 | US20120325488 Chemical-injection management system |
| 12/27/2012 | US20120325484 Integrated zonal contact and intelligent completion system |
| 12/27/2012 | US20120325483 Combined miscible or near miscible gas and asp flooding for enhanced oil recovery |
| 12/27/2012 | US20120325482 Alkaline persulfate for low-temperature breaking of multi-chain polymer viscosified fluid |
| 12/27/2012 | US20120325481 Process for obtaining viscous mineral oil from an underground deposit |
| 12/27/2012 | US20120325479 Coiled tubing bottom hole assembly with packer and anchor assembly |
| 12/27/2012 | US20120325475 Cementing tool |
| 12/27/2012 | US20120325474 Method for the fracture stimulation of a subterranean formation having a wellbore by using impact-modified thermoset polymer nanocomposite particles as proppants |
| 12/27/2012 | US20120325473 Catalytic polymer bead compositions; processiing for their production; and their use in generating and extracting natural gas, light crude oil, or sequences or mixtures thereof |
| 12/27/2012 | US20120325472 Heterogeneous proppant placement in a fracture with removable extrametrical material fill |
| 12/27/2012 | US20120325471 Encapsulated materials and their use in oil and gas wells |
| 12/27/2012 | US20120325470 Pentane-hexane solvent in situ recovery of heavy oil |
| 12/27/2012 | US20120325469 Process and system for treating produced water and flowback water from oil and gas operations |
| 12/27/2012 | US20120325468 Fluid migration shut-off |
| 12/27/2012 | US20120325467 Method of Controlling Solvent Injection To Aid Recovery of Hydrocarbons From An Underground Reservoir |
| 12/27/2012 | US20120325461 Recompaction of Sand Reservoirs |
| 12/27/2012 | US20120325460 Well Watchman Pumping And Control System |
| 12/27/2012 | US20120325459 Radio frequency technology heater for unconventional resources |
| 12/27/2012 | US20120325458 Electrically Conductive Methods For In Situ Pyrolysis of Organic-Rich Rock Formations |
| 12/27/2012 | US20120325457 Microbial Enhanced Oil Recovery Delivery Systems and Methods |
| 12/27/2012 | US20120325456 Tool for Use in Well Monitoring |
| 12/27/2012 | CA2840140A1 An annular barrier with external seal |
| 12/27/2012 | CA2840118A1 Mining method for gassy and low permeability coal seams |
| 12/27/2012 | CA2839920A1 Expandable filtering system for single packer systems |
| 12/27/2012 | CA2839875A1 Degradable fiber systems for well treatments and their use |
| 12/27/2012 | CA2839159A1 Fracturing port locator and isolation tool |
| 12/27/2012 | CA2837771A1 Kobe sub with inflow control, wellbore tubing string and method |
| 12/27/2012 | CA2835132A1 Subsea containment cap adapters |
| 12/27/2012 | CA2781261A1 Operational logic for pressure control of a wellhead |
| 12/26/2012 | EP2538018A1 An annular barrier with external seal |
| 12/26/2012 | EP2537910A1 Method for procuring viscous crude oil from an underground storage facility |
| 12/26/2012 | EP2537051A2 Apparatus and methods for providing information about one or more subterranean variables |
| 12/26/2012 | EP2536969A2 Expansible threaded joint and method for making same |