Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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09/26/2007 | CN200952366Y Rotary flow guiding device |
09/25/2007 | US7274993 Method for forming an optimum stochastic model of a heterogeneous underground zone, calibrated with dynamic data by parametrization of continuous distributions |
09/25/2007 | US7274989 Borehole equipment position detection system |
09/25/2007 | US7273108 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore |
09/25/2007 | CA2454494C Retrievable pre-milled window with deflector |
09/25/2007 | CA2422834C Isolation bypass transition joint |
09/25/2007 | CA2260523C Sealed lateral wellbore junction assembled downhole |
09/25/2007 | CA2229120C Methods of completing a subterranean well and associated apparatus |
09/20/2007 | WO2007087596A3 Containment of drilling waste material |
09/20/2007 | WO2007047800A3 Apparatus and method for managed pressure drilling |
09/20/2007 | US20070215386 Drill cuttings conveyance systems and methods |
09/20/2007 | US20070215342 Apparatus and method for powering downhole electrical devices |
09/19/2007 | EP1834062A2 Downhole tool |
09/19/2007 | CN101037933A Scale and corrosion inhibition method combining chemical huff and puff with water-shutoff |
09/19/2007 | CN100338333C Automatic service rig for oil field |
09/18/2007 | CA2526179C Steam cover for de-icing and thawing surfaces and equipment |
09/18/2007 | CA2439601C Controlled wellhead buoy |
09/18/2007 | CA2403980C Method and apparatus for flow measurement |
09/18/2007 | CA2393504C Flow control in a wellbore |
09/15/2007 | CA2540479A1 Oil/gas wel surface multi vertical flange and tubular fitting hole cover |
09/13/2007 | WO2007103680A1 Downhole trigger device |
09/13/2007 | WO2007102743A1 A treatment method for drill cuttings from petroleum wells |
09/12/2007 | CN101035961A Sleeve arrangement |
09/11/2007 | US7267175 Apparatus and methods for forming a lateral wellbore |
09/11/2007 | CA2478885C Method and apparatus for injecting steam into a geological formation |
09/11/2007 | CA2426258C An apparatus for retrieving metal debris from a well bore |
09/11/2007 | CA2419687C Method and system for avoiding damage to behind-casing structures |
09/11/2007 | CA2277528C Enhanced oil recovery methods |
09/07/2007 | WO2007100857A2 Nozzle that produce angular momentum and methods for making and using same |
09/07/2007 | CA2643834A1 Well planning system and method |
09/05/2007 | EP1149312B1 High-power well logging method and apparatus |
09/05/2007 | CN200943470Y High pressure gas well sand-carrying oil nozzle gush buffer device |
09/05/2007 | CN200943469Y Spout automatic igniting device |
09/05/2007 | CN100335745C A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing |
09/04/2007 | US7266456 Method for management of multiple wells in a reservoir |
09/04/2007 | US7264067 Method of drilling and completing multiple wellbores inside a single caisson |
09/04/2007 | US7264057 Subsea intervention |
09/04/2007 | US7264055 Apparatus and method of applying force to a stuck object in a wellbore |
09/04/2007 | US7264050 Method and apparatus for controlling wellbore equipment |
08/30/2007 | US20070199368 Apparatus and Method for Testing Reservoir Drilling Fluids for Drilling Unconsolidated Tar Sands |
08/29/2007 | EP1825100A2 Geometrical optimization of multi-well trajectories |
08/28/2007 | US7261167 Method and system for predicting performance of a drilling system for a given formation |
08/28/2007 | US7261164 Floatable drill cuttings bag and method and system for use in cuttings disposal |
08/28/2007 | US7261162 Subsea communications system |
08/28/2007 | US7261155 Cable side-entry sub with grease injection flow tubes |
08/28/2007 | CA2277566C Well completion system employing multiple fluid flow paths |
08/23/2007 | US20070194947 Downhole power generation and communications apparatus and method |
08/23/2007 | US20070194018 Telescoping tool basket, especially for offshore operations, and method of using same |
08/23/2007 | US20070193742 Methods for measurement of a dimensional characteristic and methods of predictive modeling related thereto |
08/21/2007 | US7258175 Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties and wellbore geometry |
08/21/2007 | US7258171 Internal riser rotating control head |
08/21/2007 | US7258169 Methods of heating energy storage devices that power downhole tools |
08/21/2007 | CA2444972C Apparatus and method for forming a pilot ledge in a wellbore |
08/16/2007 | WO2007092051A1 System for and method of restraining a subsurface exploration and production system |
08/16/2007 | US20070192073 Multiple inserts of different geometry in a single row of a bit |
08/14/2007 | CA2425058C Expandable float shoe and associated methods |
08/14/2007 | CA2273568C A method of installing a casing in a well and apparatus therefor |
08/09/2007 | US20070183853 System tank and output unit for transporting untreated drill cuttings |
08/08/2007 | EP1815104A1 Actuating mechanism |
08/08/2007 | CN1330845C Drilling method and tools and the use thereof |
08/07/2007 | US7252159 Underwater rock boring apparatus having differential global positioning system receiver and boring method thereof |
08/07/2007 | US7251939 General method for disposal of produced water |
08/07/2007 | CA2470592C Expanding downhole tubing by compression |
08/07/2007 | CA2201945C A mechanical overload protection device |
08/01/2007 | EP1529152B1 Subsea chemical injection unit for additive injection and monitoring system for oilfield operations |
08/01/2007 | CN2929171Y Chemical adder for oil well with pressure |
07/31/2007 | US7249637 Method and device to clamp control lines to tubulars |
07/31/2007 | CA2401587C Apparatus for deploying a load to an underwater target position with enhanced accuracy and a method to control such apparatus |
07/30/2007 | CA2726769A1 System and method for deflection compensation in power drive system for connection of tubulars |
07/26/2007 | WO2007084348A1 Real time monitoring and control of thermal recovery operations for heavy oil reservoirs |
07/26/2007 | WO2007060449A3 Downhole tool |
07/26/2007 | CA2636349A1 Real time monitoring and control of thermal recovery operations for heavy oil reservoirs |
07/25/2007 | EP1588022B1 A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing |
07/25/2007 | EP1511912B1 Downhole tool deployment safety system and methods |
07/24/2007 | US7246660 Borehole discontinuities for enhanced power generation |
07/24/2007 | CA2288784C Monitoring of downhole parameters and tools utilizing fiber optics |
07/19/2007 | US20070163186 Arctic platform |
07/18/2007 | EP1537291B1 Drilling method |
07/18/2007 | EP1448923B1 Subsea connection apparatus |
07/17/2007 | US7243741 Separation of evolved gases from drilling fluids in a drilling operation |
07/17/2007 | US7243738 Multi seam coal bed/methane dewatering and depressurizing production system |
07/17/2007 | CA2257611C System for sealing the intersection between a primary and a branch borehole |
07/11/2007 | EP1805394A1 Movable supporting construction |
07/10/2007 | US7241077 Underwater installation apparatus |
07/10/2007 | CA2250416C Extended drill bit nozzle having extended retainer |
07/05/2007 | US20070156377 Integrated reservoir optimization |
07/05/2007 | US20070151737 Flushing device |
07/05/2007 | US20070151736 Well tool protection system and method |
07/04/2007 | CN2918726Y Inhibitor continuous filling apparatus |
07/03/2007 | US7237616 Actuator module to operate a downhole tool |
07/03/2007 | CA2465411C Hydraulic jar lock |
07/03/2007 | CA2259728C Ribbed elastomeric bag for use with electric submergible motor protectors |
06/30/2007 | CA2570600A1 Downhole thermoelectric power generation |
06/28/2007 | US20070144783 Rotating Systems Associated with Drill Pipe |
06/28/2007 | US20070144581 Liquid seal for recovering flared gas |
06/27/2007 | EP1801346A1 Process for carbon dioxide sequestration by injection in coal seams |
06/27/2007 | EP1055282A4 Variable output rotary power generator |
06/27/2007 | CN2916121Y Workover guide mechanism for horizontal lateral well |
06/26/2007 | US7234549 Methods for evaluating cutting arrangements for drill bits and their application to roller cone drill bit designs |
06/26/2007 | US7234545 Self-blocking safety device |