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