| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 03/31/2009 | US7512543 Tools for decision-making in reservoir risk management |
| 03/31/2009 | CA2536763C Simultaneous development of underground caverns and deposition of materials |
| 03/26/2009 | US20090078410 Aggregate Delivery Unit |
| 03/26/2009 | US20090078409 Method and Means for Providing Time Delay in Downhole Well Operations |
| 03/25/2009 | EP2039878A1 Subsea lateral drilling |
| 03/25/2009 | EP2039804A2 Anticorrosive coatings |
| 03/25/2009 | EP2038511A1 Downhole pressure balanced electrical connections |
| 03/25/2009 | CN100472031C System and method for transmitting electric power into a bore |
| 03/25/2009 | CN100472027C Branched selective reentry method and apparatus |
| 03/24/2009 | US7509245 Method system and program storage device for simulating a multilayer reservoir and partially active elements in a hydraulic fracturing simulator |
| 03/19/2009 | WO2008148613A4 Power transmission system for use with downhole equipment |
| 03/19/2009 | US20090071642 Downhole trigger apparatus |
| 03/18/2009 | EP2037079A1 Apparatus and method for moving drill cuttings |
| 03/12/2009 | US20090065257 Apparatus and methods for utilizing a downhole deployment valve |
| 03/12/2009 | US20090065214 Apparatus for controlling a downhole device |
| 03/12/2009 | US20090065194 Downhole Sliding Sleeve Combination Tool |
| 03/12/2009 | CA2735963A1 A downhole assembly |
| 03/11/2009 | EP2034130A2 Method of updating a geological model with the aid of dynamic data and well testing |
| 03/11/2009 | EP2032838A1 Impulse rotor generator |
| 03/10/2009 | CA2504247C A method and apparatus for creating a cemented lateral junction system |
| 03/05/2009 | WO2009029269A2 Devices and methods for dynamic boring procedure reconfiguration |
| 03/05/2009 | CA2697985A1 Devices and methods for dynamic boring procedure reconfiguration |
| 03/04/2009 | EP2029856A1 Autonomous shut-off valve system |
| 03/03/2009 | US7497281 Roller cone drill bits with enhanced cutting elements and cutting structures |
| 03/03/2009 | CA2340534C Field development system and associated methods |
| 02/26/2009 | WO2009026357A2 Determination of point of sand production initiation in wellbores using residual deformation characteristics and real time monitoring of sand production |
| 02/26/2009 | WO2009024544A2 Method for virtual metering of injection wells and allocation and control of multi-zonal injection wells |
| 02/26/2009 | US20090050314 Surface improvement for erosion resistance |
| 02/26/2009 | CA2694014A1 Method for virtual metering of injection wells and allocation and control of multi-zonal injection wells |
| 02/24/2009 | US7493955 Well treating compositions for slow release of treatment agents and methods of using the same |
| 02/24/2009 | US7493950 Device for a long well tool |
| 02/24/2009 | CA2550161C Apparatus, pumping systems incorporating same, and methods of protecting pump components |
| 02/24/2009 | CA2376963C Method of creating a weld in a wellbore |
| 02/19/2009 | WO2009023490A2 Piezoelectric generator particularly for use with wellbore drilling equipment |
| 02/18/2009 | CN201196065Y Offset adjustment tool of oil pumping machine |
| 02/18/2009 | CN100462563C Pump and galvanic cell corrosion protection apparatus for the pump |
| 02/17/2009 | US7490676 Method and system for tubing a borehole in single diameter |
| 02/17/2009 | US7490670 Subsea exploitation device |
| 02/12/2009 | WO2008127894A3 Multipart sliding joint for floating rig |
| 02/12/2009 | WO2008085613A3 Liner hanger |
| 02/11/2009 | EP2021579A2 Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and critical fluids |
| 02/11/2009 | CN201193509Y Multifunction intelligent collision-proof device |
| 02/10/2009 | US7487846 Electrically operated drilling method |
| 02/10/2009 | US7487840 Wear resistant layer for downhole well equipment |
| 02/10/2009 | US7487835 Method of developing a re-entry into a parent wellbore from a lateral wellbore, and bottom hole assembly for milling |
| 02/10/2009 | US7487832 Force transfer apparatus to assist release of loaded member |
| 02/10/2009 | US7487830 Method and apparatus to facilitate wet or dry control line connection for the downhole environment |
| 02/10/2009 | US7487828 Apparatus and method for powering electrical devices along a pipeline |
| 02/05/2009 | US20090033176 System and method for long term power in well applications |
| 02/05/2009 | US20090032265 Independently Wellhead Drilling Adapter |
| 02/04/2009 | EP2019907A1 System and method for optimization of gas lift rates on multiple wells |
| 02/04/2009 | EP2019906A1 System and method for multivariable control in three-phase separation oil and gas production |
| 02/04/2009 | EP2019905A2 Molds and methods of forming molds associated with manufacture of rotary drill bits and other downhole tools |
| 02/03/2009 | US7484574 Drill cuttings conveyance systems and methods |
| 01/29/2009 | WO2009014794A2 Funnel system and method |
| 01/29/2009 | WO2008148613A3 Power transmission system for use with downhole equipment |
| 01/29/2009 | WO2007139388A9 An apparatus for operating controllable installation means |
| 01/29/2009 | US20090025937 System and Method to Facilitate Interventions from an Offshore Platform |
| 01/27/2009 | US7481276 Method of inhibiting and/or preventing corrosion in oilfield treatment applications |
| 01/22/2009 | WO2008139049A3 Method for monitoring the co2 content in brines |
| 01/22/2009 | WO2007122430A9 Autonomous shut-off valve system |
| 01/21/2009 | CN101351615A Methods for optimizing efficiency and durability of rotary drag bits and rotary drag bits designed for optimal efficiency and durability |
| 01/20/2009 | US7478678 Time release downhole trigger |
| 01/15/2009 | WO2009009447A2 Downhole electricity generation |
| 01/15/2009 | WO2009009445A2 Heated fluid injection using multilateral wells |
| 01/14/2009 | EP2013447A1 Method for production metering of oil wells |
| 01/14/2009 | EP2013446A1 Wellbore system |
| 01/14/2009 | CN201180528Y Liquid preparation continuous instilment apparatus with automatic casing pressure control |
| 01/13/2009 | US7478024 Integrated reservoir optimization |
| 01/13/2009 | CA2479562C Downhole oilfield erosion protection by using diamond |
| 01/08/2009 | WO2009004337A2 Improved damping apparatus |
| 01/08/2009 | US20090008083 Method and apparatus for wellbore fluid treatment |
| 01/07/2009 | EP1649079B1 Method for inhibiting corrosion using quaternary ammonium carbonates |
| 01/07/2009 | CN100449115C Method for determining stratum diameter of well hole of projection hole finished well |
| 01/06/2009 | US7472749 Drifting tubing |
| 01/01/2009 | US20090006058 Iterative Drilling Simulation Process For Enhanced Economic Decision Making |
| 12/31/2008 | WO2009002187A1 High pressure, high voltage penetrator assembly |
| 12/31/2008 | WO2009001253A1 Providing a cleaning tool having a coiled tubing and an electrical pump assembly for cleaning a well |
| 12/31/2008 | EP2007969A1 Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics |
| 12/31/2008 | CN201173108Y Oil well down-hole liquid continuous medicament-adding device |
| 12/31/2008 | CA2689577A1 Providing a cleaning tool having a coiled tubing and an electrical pump assembly for cleaning a well |
| 12/25/2008 | US20080314597 Apparatus for Subsea Intervention |
| 12/25/2008 | US20080314596 Apparatus and method for wellbore isolation |
| 12/24/2008 | EP2004954A1 Pre-assembly of a subsea base and pipeline |
| 12/24/2008 | EP2004953A1 Method for optimising the production of a cluster of wells |
| 12/23/2008 | CA2525065C Wellbores utilizing fiber optic-based sensors and operating devices |
| 12/23/2008 | CA2404398C Subsea chemical injection pump |
| 12/18/2008 | US20080308277 Umbilical deployment system |
| 12/17/2008 | CN201165863Y Suspension rope maintenance machine special for oil pumping machine |
| 12/11/2008 | US20080302571 Fluid actuated circulating sub |
| 12/11/2008 | US20080302534 Full bore lined wellbores |
| 12/11/2008 | DE19745947B4 Vorrichtung und Verfahren zum Bohren von Erdformationen Apparatus and method for drilling earth formations |
| 12/11/2008 | CA2685955A1 Power transmission system for use with downhole equipment |
| 12/03/2008 | EP1996788A1 Drilling rig situated on the seabed, including a separation device |
| 12/03/2008 | CN201159068Y Effluent oil recovery conveying device |
| 11/27/2008 | US20080292412 Arctic platform |
| 11/27/2008 | US20080292411 Arctic platform |
| 11/27/2008 | US20080289815 Downhole screen assembly |
| 11/26/2008 | CN101312896A Drill cuttings storage and conveying |
| 11/25/2008 | CA2393406C System for producing de-watered oil |