Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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12/15/2004 | EP1127212B1 Hydraulic switch device |
12/15/2004 | EP1113976B1 Boom arrangement for rock drilling apparatus |
12/15/2004 | CN2663651Y Combined type well repairing device |
12/14/2004 | US6830106 Multilateral well completion apparatus and methods of use |
12/09/2004 | US20040245020 Apparatus and methods for drilling a wellbore using casing |
12/09/2004 | US20040245018 Electrically sequenced tractor |
12/09/2004 | US20040244992 Full bore lined wellbores |
12/08/2004 | EP1484704A1 Method for helping oilfield management decision making in the presence of technically and economically uncertain parameters |
12/08/2004 | EP1092078B1 Flying lead workover interface system |
12/08/2004 | CN2661914Y Integrative tool for drifting and tube scraping |
12/08/2004 | CN1179114C Quick workover process for oil well |
12/07/2004 | US6828547 Wellbores utilizing fiber optic-based sensors and operating devices |
12/07/2004 | US6827149 Method and apparatus for conveying a tool in a borehole |
12/07/2004 | US6826954 Method and apparatus for flow measurement |
12/07/2004 | CA2353648C High-power well logging method and apparatus |
12/02/2004 | WO2004104560A2 Formation-based interpretation of nmr data for carbonate reservoirs |
12/02/2004 | WO2004104367A1 Sludge control in crude oil |
12/02/2004 | WO2004033844A3 System and method for installation and use of devices in microboreholes |
12/02/2004 | US20040243367 Methods for evaluating cutting arrangements for drill bits and their application to roller cone drill bit designs |
12/02/2004 | US20040243309 Automated bore planning system for horizontal directional drilling |
12/02/2004 | US20040240973 Method and apparatus for transporting oil rig |
12/02/2004 | US20040240954 Ice auger adapter bit for cordless drills |
12/02/2004 | US20040238184 High impact communication and control system |
12/02/2004 | US20040238172 Process for pressure stimulating a well bore through a template |
12/02/2004 | CA2469957A1 Method to assist with decision making for the management of an oil deposit in the face of uncertain technical and economic parameters |
12/01/2004 | EP1482238A2 Safety device for operating machines, particularly drilling machines or suchlike, and method to recognize the presence of persons, using such safety device |
12/01/2004 | EP1481891A1 Arrangement of an accoustic array with a sound velocity meter |
11/30/2004 | US6826492 Method of managing a well file record at a well site |
11/25/2004 | US20040236553 Three-dimensional tooth orientation for roller cone bits |
11/25/2004 | US20040236512 Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data |
11/25/2004 | US20040233784 Arrangement with an acoustic array with a sound velocity meter |
11/25/2004 | US20040231850 Completion of lateral well bores |
11/24/2004 | EP0852652B1 Method for isolating multi-lateral well completions while maintaining selective drainhole re-entry access |
11/24/2004 | CN2658393Y Underwater wellhead guide support device |
11/23/2004 | US6823298 Pyrolytic oil-productivity index method for predicting reservoir rock and oil characteristics |
11/23/2004 | US6823296 Method for forming an optimized neural network module intended to simulate the flow mode of a multiphase fluid stream |
11/23/2004 | US6820691 Cementing tool and method |
11/23/2004 | US6820689 Producing fluids from subterranean formation, on site combustion power creation and injecting waste by products and exhaust gas back into wellbore |
11/23/2004 | US6820688 Heat exchanging after pyrolyzation to support synthesis gas generation |
11/18/2004 | WO2004100040A1 Method and system for scenario and case decision management |
11/18/2004 | WO2004099917A2 Stochastically generating facility and well schedules |
11/18/2004 | WO2004099559A1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration |
11/18/2004 | US20040230413 Roller cone bit design using multi-objective optimization |
11/18/2004 | US20040226722 ROV activated subsea connector |
11/18/2004 | US20040226720 Hydraulic control and actuation system for downhole tools |
11/18/2004 | US20040226719 Method for making a well for removing fluid from a desired subterranean formation |
11/18/2004 | CA2527864A1 Stochastically generating facility and well schedules |
11/18/2004 | CA2527855A1 Method and system for scenario and case decision management |
11/18/2004 | CA2517910A1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration |
11/16/2004 | US6817425 Mean strain ratio analysis method and system for detecting drill bit failure and signaling surface operator |
11/16/2004 | US6817412 Method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication system |
11/11/2004 | WO2004097165A1 Flushing device |
11/10/2004 | CN2654851Y Oil well under water drilling device with pressure |
11/09/2004 | US6814147 Multilateral junction and method for installing multilateral junctions |
11/09/2004 | CA2272680C Expandable wellbore junction |
11/09/2004 | CA2235995C Method for multi-lateral completion and cementing the juncture with lateral wellbores |
11/09/2004 | CA2229091C Methods of completing a subterranean well and associated apparatus |
11/06/2004 | CA2466139A1 Downhole tool and method for fracturing a subterranean well formation |
11/04/2004 | WO2004094766A2 Apparatus for radially expanding and plastically deforming a tubular member |
11/04/2004 | US20040220846 Stochastically generating facility and well schedules |
11/04/2004 | US20040220790 Method and system for scenario and case decision management |
11/04/2004 | US20040216869 Hydraulic jar lock |
11/03/2004 | EP1473435A1 Automatically actuating locking mechanism for a downhole tool |
11/03/2004 | EP1265785B1 Apparatus for deploying a load to an underwater target position with enhanced accuracy and a method to control such apparatus |
11/03/2004 | EP1251912A4 Method for biosolid disposal and methane generation |
11/03/2004 | CN2653121Y Impact breaking type oil discharger |
11/02/2004 | USRE38642 Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes |
11/02/2004 | US6810957 Antimicrobial with limited diffusion properties due to a low solubility, such as for instance a polymeric amine, can be utilized within the well bore to minimize diffusion into the surrounding geological structures |
11/02/2004 | CA2226985C Computer controlled gas lift system |
11/02/2004 | CA2142536C Oil and gas well cuttings disposal system |
10/28/2004 | WO2004092529A2 Arctic platform |
10/28/2004 | US20040214728 Mixture with gelling agent comprising a polyvalent metal salt of an organophosphonic acid ester or a polyvalent metal salt of an organophosphinic acid; sand control treatments like fracturing and gravel packing |
10/28/2004 | US20040211558 Hydraulic fracturing method |
10/28/2004 | CA2677756A1 Arctic platform |
10/28/2004 | CA2672866A1 Arctic platform |
10/26/2004 | USRE38636 Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical oil wells connected to liner-equipped multiple drainholes |
10/26/2004 | US6808021 Subsea intervention system |
10/21/2004 | WO2004090285A1 Real-time drilling optimization based on mwd dynamic measurements |
10/21/2004 | WO2004059037A3 Method for reducing the corrosivity of water-containing oil-mixtures |
10/19/2004 | US6805195 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas |
10/14/2004 | WO2004088089A1 Drifting tubing |
10/14/2004 | US20040200618 Method of sequestering carbon dioxide while producing natural gas |
10/13/2004 | EP1467059A2 Method and apparatus for completing wells with lateral branches |
10/13/2004 | EP1466074A2 Apparatus and method for horizontal subsea connection |
10/12/2004 | USRE38616 Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes |
10/12/2004 | US6802371 Template and system of templates for drilling and completing offset well bores |
10/07/2004 | WO2004085960A2 Wireline subsea metering head and method of use |
10/07/2004 | US20040196038 Downhole NMR processing |
09/30/2004 | WO2004083597A1 Apparatus and method for moving drilled cuttings |
09/30/2004 | US20040192507 Ergonomics safety warning device and method to prevent clutch burning |
09/30/2004 | US20040191001 Anchor block construction for an escape line |
09/30/2004 | US20040188147 Drill pipe protector |
09/30/2004 | US20040188095 Cuttings injection and annulus remediation systems for wellheads |
09/30/2004 | US20040188094 Wireline subsea metering head and method of use |
09/30/2004 | US20040188088 Warning device to prevent clutch burning |
09/29/2004 | CN2644668Y Liquid level reducing device |
09/29/2004 | CN1532371A Combined working platform for oil/water well |
09/28/2004 | US6799117 Predicting sample quality real time |
09/28/2004 | US6796379 Drilling waste handling |
09/28/2004 | US6796261 Subsea deployable drum for laying lines |