| 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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| 02/07/2013 | US20130032333 Methods for monitoring bacteria using opticoanalytical devices |
| 02/07/2013 | US20130032331 Reorienting Annular Debris Barrier |
| 02/07/2013 | US20130032330 Snap Mount Annular Debris Barrier |
| 02/07/2013 | US20130032329 Downhole filter tool |
| 02/07/2013 | US20130032328 Horizontal fracturing tree |
| 02/07/2013 | DE112011100809T5 CO2-Speicherung in an organischem Material reicher Gesteinsformation mit Kohlenwasserstoffgewinnung CO2 storage in richer in organic material rock formation with hydrocarbon recovery |
| 02/07/2013 | CA2843884A1 Use of environmentally friendly solvents to replace glycol-based solvents |
| 02/07/2013 | CA2843786A1 Method for extending a network of existing fractures |
| 02/07/2013 | CA2843505A1 A downhole device for data acquisition during hydraulic fracturing operation and method thereof |
| 02/07/2013 | CA2841826A1 Pipeline type oil-water separator and cyclone generator for the same |
| 02/06/2013 | EP2554787A2 Gas lift valve having edge-welded bellows and captive sliding seal |
| 02/06/2013 | EP2553217A1 Improved in-situ combustion recovery process using single horizontal well to produce oil and combustion gases to surface |
| 02/06/2013 | EP2553216A1 Wear-resistant separator for separating sand and rock particles |
| 02/06/2013 | EP2553215A1 Subterranean well valve activated with differential pressure |
| 02/06/2013 | CN202719060U Oil pumping unit sliding prevention safety lock hook |
| 02/06/2013 | CN202718706U Separating device of mine ventilation air gas |
| 02/06/2013 | CN202718666U Plug-in coiled tubing induced-spraying device |
| 02/06/2013 | CN202718665U 89 type high-hole intensive bullet gun |
| 02/06/2013 | CN202718664U Flexible drainage system for coal-bed gas well |
| 02/06/2013 | CN202718663U Casing gas recovery device for mechanized oil well |
| 02/06/2013 | CN202718662U Lever system for oil pumping unit |
| 02/06/2013 | CN202718660U Separate exploitation and joint exploitation tubular column in screen-pipe completed horizontal well |
| 02/06/2013 | CN202718655U Accurate quantification injection seal-examination integrated tubular column |
| 02/06/2013 | CN102913893A Solar and wind combined steam generating device for extracting high wax content crude oil |
| 02/06/2013 | CN102913403A New process for utilization and energy transformation of deep geothermal resources |
| 02/06/2013 | CN102913225A Underground multi-phase flow gas-phase separating and measuring device |
| 02/06/2013 | CN102913224A Separator connector |
| 02/06/2013 | CN102913223A Ultrahigh-pressure perforation device |
| 02/06/2013 | CN102913222A Oxidation process completion method of horizontal well for developing coalbed methane |
| 02/06/2013 | CN102913221A Volume transformation process of low permeability reservoir |
| 02/06/2013 | CN102913220A Formula adjusting equipment for microorganism oil-displacement blockage remover |
| 02/06/2013 | CN102913219A Device for improving sweep efficiency of microbial oil displacement blocking remover |
| 02/06/2013 | CN102913218A Layered water filling device |
| 02/06/2013 | CN102913217A Water filling device |
| 02/06/2013 | CN102913216A Air bubble breaker |
| 02/06/2013 | CN102913215A Full-drift diameter perforation interlayer for oil and gas well |
| 02/06/2013 | CN102913214A Fixed-perforating angle and fixed-direction perforator |
| 02/06/2013 | CN102913213A Internally-directional composite perforator |
| 02/06/2013 | CN102913212A Composite perforator |
| 02/06/2013 | CN102913211A Sand control sieve tube |
| 02/06/2013 | CN102913210A Screen pipe completion system |
| 02/06/2013 | CN102913209A Method for building sieve-tube artificial natural gas migration passage between gas reservoirs |
| 02/06/2013 | CN102913208A Method for building bushing inner-sieve-tube artificial natural gas migration passage between gas reservoirs |
| 02/06/2013 | CN102913207A Method for building inner sieve-tube outer gravel-filled artificial natural gas migration passage |
| 02/06/2013 | CN102913206A Method for building bushing perforation fracturing-type artificial natural gas migration passage between gas reservoirs |
| 02/06/2013 | CN102913205A Method for building uncased-hole gravel-filled artificial migration passage between gas reservoirs |
| 02/06/2013 | CN102913204A Method for building sieve-tube outer gravel-filled natural gas migration passage between gas reservoirs |
| 02/06/2013 | CN102913203A Method for developing low-permeability gas reservoir |
| 02/06/2013 | CN102913202A Beam-balanced pumping unit |
| 02/06/2013 | CN102913201A Sliding oil bailing device |
| 02/06/2013 | CN102913200A Non-foundation oil pumping unit |
| 02/06/2013 | CN102913199A Oil pumping unit |
| 02/06/2013 | CN102913198A Clustered hydraulic pumping unit |
| 02/06/2013 | CN102913186A Gas injection valve |
| 02/06/2013 | CN102913166A Method for drilling and milling sliding sleeves and ball seats of horizontal well by continuous oil pipe |
| 02/06/2013 | CN102911654A Foaming agent for efficiently carrying fluid and sand for gas well and preparation method and application of foaming agent |
| 02/06/2013 | CN102909377A Preparation method of perforating charge type cover |
| 02/05/2013 | US8365831 Determining connectivity architecture in 2-D and 3-D heterogeneous data |
| 02/05/2013 | US8365827 Fracturing method to reduce tortuosity |
| 02/05/2013 | US8365825 Suppressing voltage transients in perforation operations |
| 02/05/2013 | US8365824 Perforating and fracturing system |
| 02/05/2013 | US8365814 Pre-verification of perforation alignment |
| 02/05/2013 | CA2784390A1 Method of fracturing multiple zones within a well using propellant pre-fracturing |
| 02/05/2013 | CA2757125A1 Establishing communication between well pairs in oil sands by dilation with steam or water circulation at elevated pressures |
| 02/05/2013 | CA2653373C Compositions and methods for gas and oil well treatment |
| 02/01/2013 | CA2784184A1 Down-hole sand and solids separator utilized in producing hydrocarbons |
| 02/01/2013 | CA2784173A1 Down-hole gas separator |
| 02/01/2013 | CA2752423A1 Oxidative remediation of oil sands derived aqueous streams |
| 01/31/2013 | WO2013016734A1 System and method for performing wellbore fracture operations |
| 01/31/2013 | WO2013016733A1 System and method for performing wellbore fracture operations |
| 01/31/2013 | WO2013016117A2 A device for perforating a material comprising a tail-locking charge case |
| 01/31/2013 | WO2013015850A1 Dual or twin-well completion with wettability alteration for segregated oil and water production |
| 01/31/2013 | WO2013015848A1 Pipe-in-pipe apparatus, and methods and systems |
| 01/31/2013 | WO2013015826A1 System and method for production of reservoir fluids |
| 01/31/2013 | WO2013014197A1 Gas heater/cooler apparatuses and methods |
| 01/31/2013 | WO2013014023A1 Steam generation |
| 01/31/2013 | WO2013013721A1 Recovery methods for hydrocarbon gas reservoirs |
| 01/31/2013 | WO2012166573A3 Gas injection while drilling |
| 01/31/2013 | WO2012166561A3 Compositions, methods, apparatus, and systems for incorporating bio-derived materials in drilling and hydraulic fracturing |
| 01/31/2013 | WO2012162294A3 Perforating string with magnetohydrodynamic initiation transfer |
| 01/31/2013 | WO2012158522A3 Separation system to separate phases of downhole fluids for individual analysis |
| 01/31/2013 | WO2012129029A4 Multiple liner hanger assembly |
| 01/31/2013 | WO2012112657A3 Integrated zonal contact and intelligent completion system |
| 01/31/2013 | WO2012088115A4 Method and apparatus for drilling a zero-radius lateral |
| 01/31/2013 | US20130025875 Pipe-in-pipe apparatus, and methods and systems |
| 01/31/2013 | US20130025874 System and method for sampling multiphase fluid at a production wellsite |
| 01/31/2013 | US20130025873 Protecting A Fluid Stream From Fouling |
| 01/31/2013 | US20130025870 Well servicing fluid and method of servicing a well with the fluid |
| 01/31/2013 | US20130025869 Thermally Stable, Nonionic Foaming Agent for Foam Fracturing Fluids |
| 01/31/2013 | US20130025868 Downhole Actuating Apparatus |
| 01/31/2013 | US20130025867 Method of slickwater fracturing |
| 01/31/2013 | US20130025866 Integrated process utilizing nitrogen and carbon dioxide streams for enhanced oil recovery |
| 01/31/2013 | US20130025862 Proppant Particles Formed From Slurry Droplets and Method of Use |
| 01/31/2013 | US20130025860 Composite Particulates and Methods Thereof for High Permeability Formations |
| 01/31/2013 | US20130025859 Polymer Compositions for Use in Downhole Tools and Components Thereof |
| 01/31/2013 | US20130025858 Solvent and gas injection recovery process |
| 01/31/2013 | US20130025857 Preserving oil gravity |
| 01/31/2013 | US20130025856 Dual or twin-well completion with wettability alteration for segregated oil and water production |
| 01/31/2013 | US20130025853 Single-well diagnostics and increased oil recovery by oil injection and sequential waterflooding |
| 01/31/2013 | US20130025851 Downhole condition alert system for a drill operator |