| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 05/30/2013 | US20130138406 Method for constructing a fracture network grid from a voronoi diagram |
| 05/30/2013 | CA2856473A1 Underwater shackle |
| 05/29/2013 | EP2596387A2 Distributed fiber optic sensor system with improved linearity |
| 05/28/2013 | CA2553236C Downhole drilling of a lateral hole |
| 05/28/2013 | CA2480537C Downhole force generator and method for use of same |
| 05/23/2013 | US20130126188 Magnetic retriever for well plunger |
| 05/23/2013 | US20130126179 Sampling Skid for Subsea Wells |
| 05/22/2013 | CN103113866A Novel biological inhibitor for inhibiting activity of sulfate reducing bacteria in oil well and use method thereof |
| 05/22/2013 | CN102040992B Rod blockage prevention liquid for carbon dioxide huff-puff enhanced oil recovery and injection method thereof |
| 05/21/2013 | US8443893 Cleaning apparatus for a wellhead assembly and method of use thereof |
| 05/16/2013 | WO2012102775A3 Monitoring the health of a blowout preventer |
| 05/16/2013 | US20130124171 Systems and methods for predicting well performance |
| 05/16/2013 | US20130118736 Methods and Systems For Machine - Learning Based Simulation of Flow |
| 05/16/2013 | US20130118730 Downhole tools including anomalous strengthening materials and related methods |
| 05/16/2013 | US20130118386 Portable drilling pad |
| 05/15/2013 | EP2592220A2 Erosion Resistant Flow Nozzle For Downhole Tool |
| 05/15/2013 | EP2592219A1 Monitoring a subsea control module |
| 05/15/2013 | CN202937232U Mobile slurry carrying system |
| 05/15/2013 | CN202937231U Horizontal directional drilling machine operating table capable of adjusting angle |
| 05/15/2013 | CN202937230U Water supply device for portable drilling machine |
| 05/15/2013 | CA2758440A1 Top plate alignment template device |
| 05/14/2013 | CA2492981C Monobore wellbore and method for completing same |
| 05/11/2013 | CA2794893A1 Cryogenic reciprocating pump intermediate distance piece |
| 05/10/2013 | WO2013026020A3 Reducing the carbon emissions intensity of a fuel |
| 05/10/2013 | WO2012109129A3 Partially retrievable safety valve |
| 05/09/2013 | US20130112418 Composition and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112417 Compositions and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112416 Compositions and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112415 Compositions and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112401 Downhole electrical energy conversion and generation |
| 05/09/2013 | CA2794302A1 Erosion resistant flow nozzle for downhole tool |
| 05/08/2013 | EP2589115A1 Safety device |
| 05/08/2013 | EP2588712A1 Methods for storing carbon dioxide compositions in subterranean geological formations and arrangements for use in such methods |
| 05/08/2013 | EP2588703A1 Remotely operable underwater drilling system and drilling method |
| 05/08/2013 | CN202926292U Underwater base plate guide pile connector |
| 05/08/2013 | CN202926291U Drilling jig operating table convenient to maintain |
| 05/07/2013 | US8437995 Drill bit and design method for optimizing distribution of individual cutter forces, torque, work, or power |
| 05/02/2013 | US20130105170 Measurement of relative turns and displacement in subsea running tools |
| 05/02/2013 | US20130105140 Multi Chip Modules for Downhole Equipment |
| 05/01/2013 | EP2585675A2 Apparatus and methods for corrosion protection of downhole tools |
| 05/01/2013 | CN202914044U Reentrant inducer for completion tubular column of multilateral well |
| 05/01/2013 | CN202914043U Environmental-friendly energy-saving device for preventing leakage of liquid from oil pipe column for wellhead in well service work |
| 05/01/2013 | CN202914042U Backing pressure resistance tool |
| 05/01/2013 | CN202914041U Rotary drilling rig counterweight capable of being automatically dismantled |
| 05/01/2013 | CN103075132A Echelon releasing method for underground solid anticorrosion and antiscale agents |
| 04/30/2013 | US8430162 Continuous downhole scale monitoring and inhibition system |
| 04/30/2013 | CA2668856C Corrosion inhibitor intensifier compositions and associated methods |
| 04/25/2013 | WO2013059646A1 Downhole apparatus for electrical power genaration from shaft flexure |
| 04/25/2013 | WO2013022635A3 Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate |
| 04/25/2013 | WO2012148956A3 Flange overshot retrieval tool |
| 04/25/2013 | WO2012148955A3 Flange separation and retrieval tool |
| 04/25/2013 | WO2012122178A3 Magnetostrictive power supply for bottom hole assembly with rotation-resistant housing |
| 04/25/2013 | WO2012122173A3 Systems and methods to harvest fluid energy in a wellbore using preloaded magnetostrictive elements |
| 04/25/2013 | US20130098626 Soft Landing System and Method of Achieving Same |
| 04/24/2013 | EP2584139A1 Method and system for storing soluble gases in permeable geological formations |
| 04/24/2013 | CN202900173U Monitoring and order download system |
| 04/24/2013 | CN202900172U Blowout prevention device conveying sliding block driving device used for offshore drilling platform |
| 04/24/2013 | CN202900169U Dosing device of water injection pump |
| 04/24/2013 | CN103061728A Medicine dipping device used for oil field |
| 04/24/2013 | CN103061714A Double-row cluster well rapid transport drilling rig cable trough |
| 04/24/2013 | CN103061713A Receptacle sub |
| 04/23/2013 | US8426988 Apparatus and method for generating power downhole |
| 04/18/2013 | WO2012044928A3 Riser system for a slacked moored hull floating unit |
| 04/18/2013 | US20130093179 Eletronic combined load weak link |
| 04/18/2013 | CA2849922A1 System for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well |
| 04/18/2013 | CA2849825A1 Method for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well |
| 04/17/2013 | CN202887611U Nameplate support for full-casing full-rotary drill |
| 04/17/2013 | CN202882856U Sequential linkage device of full-sleeve full-slewing drilling machine |
| 04/17/2013 | CN202882855U Feeding-in tool for temporary guide base seat |
| 04/17/2013 | CN202882854U Lead printing device with detachable protective sleeve |
| 04/17/2013 | CN103046902A Soil collecting and discharging device used for rotating drilling machine |
| 04/16/2013 | CA2702678C Vacuum attachment tool |
| 04/16/2013 | CA2656344C Methods and compositions for protecting steels in acidic solutions |
| 04/11/2013 | WO2013050672A1 Means and method for the stabilization and energy storage of a directional drilling system |
| 04/11/2013 | US20130087346 Temporary Support Device for Oil Well Tubes and Method of Use |
| 04/10/2013 | EP2578793A2 Power transmission system for use with downhole equipment |
| 04/10/2013 | CN202866758U Jackdrill rubber tube coiling barrel follow-up device |
| 04/09/2013 | US8414241 Device and method for lowering or lifting a load in water |
| 04/09/2013 | CA2619209C Impact panels |
| 04/09/2013 | CA2563729C Uncollapsed expandable wellbore junction |
| 04/06/2013 | CA2791468A1 Enhanced oilfield swellable elastomers and methods for making and using same |
| 04/04/2013 | WO2012143392A3 Pump system, method and uses for transporting injection water to an underwater injection well |
| 04/04/2013 | WO2012072513A3 Improvements in heat flow control for molding downhole equipment |
| 04/04/2013 | CA2847901A1 System, apparatus, and method for utilization of bracelet galvanic anodes to protect subterranean well casing sections shielded by cement at a cellar area |
| 03/28/2013 | WO2012041926A3 Methods for storing carbon dioxide compositions in subterranean geological formations and an apparatus for carrying out the method |
| 03/28/2013 | WO2012012587A3 Apparatus and method for enhancing subsurface surveys |
| 03/27/2013 | EP2573314A1 Guide funnel |
| 03/27/2013 | EP2572774A1 CO2 recovery using the SURE process |
| 03/27/2013 | EP2572135A1 Modular skid frame |
| 03/27/2013 | CN202832398U Elastic-plastic blocking pillar for cutting sidewalls of rocks at root of shaft |
| 03/27/2013 | CN202832397U Liftable operating platform of drilling machine |
| 03/27/2013 | CN202832396U Water injection well medicine adding device |
| 03/27/2013 | CN202832395U Water injection well head high-pressure spray chemicals dosing device |
| 03/27/2013 | CN103003524A Surface detection of failed open-hole packers using tubing with external tracer coatings |
| 03/27/2013 | CN102996099A Environmental friendliness and energy conversation type tubing string drainage device of well mouth for work-over treatment |
| 03/27/2013 | CN101956542B Waste oil guiding and collecting device in wellhead area |
| 03/21/2013 | WO2012149004A3 Method of making and using a functionally gradient composite tool |
| 03/21/2013 | US20130073268 Automated generation of local grid refinement at hydraulic fractures for simulation of tight gas reservoirs |
| 03/21/2013 | US20130068464 Methods, systems and apparatus for circulating fluid within the annulus of a flexible pipe riser |
| 03/21/2013 | CA2847593A1 Method and apparatus for unplugging hydrocarbon drains or vents |