| 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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| 06/27/2013 | CA2858473A1 Stimulation method |
| 06/27/2013 | CA2858468A1 Stimulation method |
| 06/27/2013 | CA2858179A1 Method for recovery of hydrocarbon fluid |
| 06/27/2013 | CA2852051A1 Downhole fluid flow control system having temporary sealing substance and method for use thereof |
| 06/27/2013 | CA2838871A1 Cranked rod pump apparatus and method |
| 06/27/2013 | CA2799967A1 Downhole fluid treatment tool |
| 06/26/2013 | EP2607762A1 Pipeline element comprising a transition segment and a shrunken layer |
| 06/26/2013 | EP2607619A1 Downhole tubular assembly for sealing an opening |
| 06/26/2013 | EP2607616A1 Production system for producing hydrocarbons from a well |
| 06/26/2013 | EP2607609A1 Stimulation method |
| 06/26/2013 | EP2607608A1 Stimulation method |
| 06/26/2013 | EP2607607A1 Stimulation method |
| 06/26/2013 | EP2607314A1 Solution mining of ore containing sodium carbonate and bicarbonate |
| 06/26/2013 | EP2607313A1 Solution mining of ore containing sodium carbonate and bicarbonate |
| 06/26/2013 | EP2606199A1 Device and method for using the device for "in situ" extraction of bitumen or heavy oil from oil sand deposits |
| 06/26/2013 | CN203025583U Intelligent internet-of-things controller for water injection well |
| 06/26/2013 | CN203022714U Internal flow bridge type eccentric water distributor |
| 06/26/2013 | CN203022713U Oil well flow regulator |
| 06/26/2013 | CN203022712U Combined geothermal well with perforation structure |
| 06/26/2013 | CN203022711U Sand-prevention tool in rockshaft |
| 06/26/2013 | CN203022710U Small hole cup type filling tool |
| 06/26/2013 | CN203022709U Pumping unit reversing rack |
| 06/26/2013 | CN203022708U Four-well linkage oil pumping device |
| 06/26/2013 | CN203022707U Stand-alone double-well chained machine type oil production device |
| 06/26/2013 | CN203022706U Double-well single-power belt conveyor type oil production device |
| 06/26/2013 | CN203022705U Four-cylinder-type hydraulic oil pumping machine |
| 06/26/2013 | CN203022704U Dual-plunger-oil-cylinder-type hydraulic oil pumping machine |
| 06/26/2013 | CN203022703U Flow-compensation-type hydraulic oil pumping machine |
| 06/26/2013 | CN203022702U Novel beam-pumping unit hair braid |
| 06/26/2013 | CN203022701U Ring gear oil pumping machine |
| 06/26/2013 | CN203022700U Mechanical pumping-speed tube composite drainage gas recovery device |
| 06/26/2013 | CN203022699U Energy-saving hydraulic pumping unit |
| 06/26/2013 | CN203022698U Constant torque oil pumping unit device for oil field oil extraction operation |
| 06/26/2013 | CN203022697U Multi-well energy-saving oil pumping device |
| 06/26/2013 | CN203022693U Electromagnetic and superconductive heating dewaxing device for hollow sucker rod of producing well |
| 06/26/2013 | CN203017850U Filtering device of injected water at wellhead of oil field |
| 06/26/2013 | CN103180547A Delivery of particulate material below ground |
| 06/26/2013 | CN103180546A Collapsible casing device for use in controlling flow |
| 06/26/2013 | CN103180545A Compact cable suspended pumping system for lubricator deployment |
| 06/26/2013 | CN103180544A Systems and methods for using a passageway through a subterranean strata |
| 06/26/2013 | CN103180543A Method and apparatus for thermally treating an oil reservoir |
| 06/26/2013 | CN103180542A Surface multiple well |
| 06/26/2013 | CN103180250A A contaminant control system in an evaporative water treating system |
| 06/26/2013 | CN103174453A Layered hydraulic fracturing method of underground coal mine multiple coal seams |
| 06/26/2013 | CN103174407A Method of using CO2 natural gas replacement emulsion to replace methane in stratum natural gas hydrate |
| 06/26/2013 | CN103174406A Method for heating oil shale underground in situ |
| 06/26/2013 | CN103174405A System and method for increasing injection to under-injection wells in oil field |
| 06/26/2013 | CN103174404A Gas drive oil extraction structure convenient to detect |
| 06/26/2013 | CN103174403A Gravity and steam flooding combined mining method of thick layer containing interlayer common heavy oil reservoir |
| 06/26/2013 | CN103174402A Longitudinal absorber for reducing perforation instantaneous shock vibration force |
| 06/26/2013 | CN103174401A Ground device of perforating fracturing testing system |
| 06/26/2013 | CN101793138B Hydrocyclone and screw pump combined downhole oil-water separation method |
| 06/26/2013 | CN101713284B Over-long threaded heat pipe of sucker rod |
| 06/26/2013 | CN101691839B Ultra-low resistance acid-type microemulsion plugging removal and stimulation technology for low permeability oil well |
| 06/26/2013 | CN101684727B Optimization method for determining proportion of mixing light oil into heavy oil of ultra-deep well and light hydrocarbon mixer thereof |
| 06/26/2013 | CN101427005B Process for extracting liquid hydrocarbon from underground reservoir |
| 06/25/2013 | US8469119 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 06/25/2013 | US8469110 Methods for increasing oil production |
| 06/25/2013 | US8469103 Plunger lift with chemical injection |
| 06/25/2013 | US8469101 Method and apparatus for flow assurance management in subsea single production flowline |
| 06/25/2013 | US8469099 Hydraulic fracturing of subterranean formations |
| 06/25/2013 | US8469098 Formation treatment system and method |
| 06/25/2013 | US8469097 Subterranean tubular cutter with depth of cut feature |
| 06/25/2013 | US8469092 Water processing system and methods |
| 06/25/2013 | US8469091 Method for production of high purity distillate from produced water for generation of high pressure steam |
| 06/25/2013 | US8469086 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 06/25/2013 | CA2739175C Additives to suppress silica scale build-up |
| 06/25/2013 | CA2738978C Prevention of water intrusion into particulates |
| 06/25/2013 | CA2714879C Methods and apparatus for optimizing well production |
| 06/25/2013 | CA2713703C A fishbone well configuration for in situ combustion |
| 06/25/2013 | CA2713536C Method of controlling a recovery and upgrading operation in a reservoir |
| 06/25/2013 | CA2701860C System and method to expand tubulars below restrictions |
| 06/25/2013 | CA2700296C Gas lift valve |
| 06/25/2013 | CA2677881C Signal processing in downhole equipment |
| 06/25/2013 | CA2606593C Pipe separator |
| 06/25/2013 | CA2522634C Process and device for the thermal stimulation of gas hydrate formations |
| 06/25/2013 | CA2506991C Method and system for reservoir characterization in connection with drilling operations |
| 06/23/2013 | CA2872246A1 Downhole isolation methods and apparatus therefor |
| 06/23/2013 | CA2798469A1 Downhole isolation methods and apparatus therefor |
| 06/21/2013 | CA2807827A1 Modified cellulosic polymer for improved well bore fluids |
| 06/20/2013 | WO2013090660A1 Connection maker |
| 06/20/2013 | WO2013090647A1 Composite perforating device with scallops on the inner wall |
| 06/20/2013 | WO2013090614A1 Light co-solvent compositions |
| 06/20/2013 | WO2013090578A1 Fine control of casing pressure |
| 06/20/2013 | WO2013090388A1 Subsea structure flowline connector assembly |
| 06/20/2013 | WO2013090289A1 Completing a well in a reservoir |
| 06/20/2013 | WO2013090148A2 In-situ transfer and support of tensioned system and method for a flexible link |
| 06/20/2013 | WO2013090037A1 In-riser power generation |
| 06/20/2013 | WO2013089973A1 In situ rf heating of stacked pay zones |
| 06/20/2013 | WO2013089941A1 Controlled electrolytic degradation of downhole tools |
| 06/20/2013 | WO2013089898A2 Completing a well in a reservoir |
| 06/20/2013 | WO2013089897A2 Fluid stimulation of long well intervals |
| 06/20/2013 | WO2013089781A1 Fluid flow control |
| 06/20/2013 | WO2013089730A1 Dual closure system for well system |
| 06/20/2013 | WO2013089643A1 Subsea structure flowline connector assembly |
| 06/20/2013 | WO2013088215A1 Hydromechanical slot perforator variants |
| 06/20/2013 | WO2013086623A1 Horizontal and vertical well fluid pumping system |
| 06/20/2013 | WO2013086616A1 An inflow control valve for controlling the flow of fluids into a generally horizontal production well and method of using the same |
| 06/20/2013 | WO2013086557A1 Ucg channel |
| 06/20/2013 | WO2013049802A3 Drilling fluid processing |