| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 06/12/2005 | CA2472857A1 Self-blocking fishing device |
| 06/09/2005 | US20050125209 Methods for geomechanical fracture modeling |
| 06/09/2005 | US20050123437 Methods and compositions for inhibiting metal corrosion |
| 06/09/2005 | US20050121230 Boring machine having differential global positioning system receiver for underwater rock and boring method thereof |
| 06/09/2005 | US20050121200 Process to sequester CO2 in natural gas hydrate fields and simultaneously recover methane |
| 06/09/2005 | US20050121190 Segregated deployment of downhole valves for monitoring and control of multilateral wells |
| 06/08/2005 | EP1537293A1 Three-dimensional well system for accessing subterranean zones |
| 06/08/2005 | EP1537291A1 Drilling method |
| 06/08/2005 | CN1624290A Boring machine having differential global positioning system receiver for underwater rock and boring method thereof |
| 06/08/2005 | CN1205403C Method for creating secondary sidetracks in a well system |
| 06/07/2005 | US6902199 ROV activated subsea connector |
| 06/07/2005 | US6902004 In situ thermal processing of a hydrocarbon containing formation using a movable heating element |
| 06/07/2005 | US6902003 Allowing heat to transfer from heaters to a formation selected for heating using a total organic matter weight percentage of > 5% and recirculating hydrogen |
| 06/07/2005 | US6902000 Apparatus and methods for expanding tubulars in a wellbore |
| 06/07/2005 | CA2353176C Apparatus and method for performing downhole measurements |
| 06/02/2005 | US20050115713 Multilateral completion system utilizing an alternate passage |
| 06/02/2005 | US20050115711 Method and system for determining an optimum pumping schedule corresponding to an optimum return on investment when fracturing a formation penetrated by a wellbore |
| 06/02/2005 | DE102004041544A1 Sichere Aktivierung einer Bohrlochvorrichtung Secure activation of a downhole device |
| 06/01/2005 | EP1536099A1 Methods of completing and producing a subterranean well associated apparatus |
| 05/31/2005 | US6901391 Field/reservoir optimization utilizing neural networks |
| 05/31/2005 | US6899186 Apparatus and method of drilling with casing |
| 05/31/2005 | US6899178 Method and system for wireless communications for downhole applications |
| 05/26/2005 | WO2005047644A1 Directional cased hole side track method applying rotary closed loop system and casing mill |
| 05/25/2005 | EP1533467A2 Multilateral well drilling and completion method and apparatus |
| 05/25/2005 | EP1532346A1 Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 05/25/2005 | CN2702041Y Reentering device for oil and gas branch well |
| 05/24/2005 | US6896448 Automatically adjustable caisson clamp |
| 05/24/2005 | US6896074 System and method for installation and use of devices in microboreholes |
| 05/24/2005 | US6896053 In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources |
| 05/24/2005 | US6896052 Expanding tubing |
| 05/19/2005 | WO2005045183A1 Method and system for injecting a treatment fluid into a well |
| 05/19/2005 | WO2005045173A2 A liquid seal for recovering flared gas |
| 05/19/2005 | US20050103491 Activity data capture system for a well service vehicle |
| 05/18/2005 | EP1358394A4 Optimization of reservoir, well and surface network systems |
| 05/18/2005 | CN2700550Y Safety pedal for stuck pipe freeing operation of pumping well |
| 05/17/2005 | CA2140213C Lateral connector receptacle |
| 05/11/2005 | EP1529152A1 Subsea chemical injection unit for additive injection and monitoring system for oilfield operations |
| 05/11/2005 | CN2698968Y Box type base of ocean well repairing machine |
| 05/10/2005 | US6889769 In situ thermal processing of a hydrocarbon containing formation with a selected moisture content |
| 05/10/2005 | CA2210795C Oil and gas field chemicals |
| 05/05/2005 | US20050096893 Decision support method for oil reservoir management in the presence of uncertain technical and economic parameters |
| 05/05/2005 | US20050096847 Methods for modeling, designing, and optimizing the performance of drilling tool assemblies |
| 05/05/2005 | US20050096846 Method and apparatus for controlling wellbore equipment |
| 05/04/2005 | EP1373676A4 An apparatus for retrieving metal debris from a well bore |
| 05/04/2005 | EP0996812B1 Deformed multiple well template and process of use |
| 05/03/2005 | CA2238500C Lateral liner tieback assembly |
| 04/28/2005 | WO2005038189A1 Nozzle unit and method for excavating a hole in an object |
| 04/28/2005 | US20050087367 System and method for interpreting drilling data |
| 04/28/2005 | US20050087348 Service tool with flow diverter and associated method |
| 04/28/2005 | US20050087344 System and Method to Control Multiple Tools Through One Control Line |
| 04/28/2005 | CA2542413A1 Nozzle unit and method for excavating a hole in an object |
| 04/27/2005 | CN2695627Y Rotation oil discharging apparatus |
| 04/27/2005 | CN2695623Y Tap for well repairing |
| 04/27/2005 | CN1609407A Automatic oil well repairing apparatus |
| 04/26/2005 | US6883611 Sealed multilateral junction system |
| 04/20/2005 | CN2693946Y Pump rod paraffin scraper |
| 04/19/2005 | US6880639 Downhole injection system |
| 04/19/2005 | US6880635 Methods and systems for production of hydrocarbons, hydrogen, and/or other products from underground coal formations |
| 04/19/2005 | CA2260381C Downhole motor tool |
| 04/14/2005 | WO2005033907A2 Activity data capture system for a well service vehicle |
| 04/14/2005 | US20050077048 Downhole tubular splitter assembly and method |
| 04/14/2005 | US20050077042 Downhole oilfield erosion protection by using diamond |
| 04/13/2005 | EP1442197B1 Device for cleaning an inner pipe inserted into a gas or oil conveying boring |
| 04/13/2005 | EP1315881A4 Method and system for perforating |
| 04/12/2005 | US6879947 Method for optimizing the bit design for a well bore |
| 04/12/2005 | US6877554 Pyrolysis |
| 04/12/2005 | CA2120485C Method and apparatus for sealing the juncture between a vertical and horizontal well |
| 04/06/2005 | EP1520084A1 Corrugated downhole tubulars |
| 04/06/2005 | EP1250513B1 System and method for fluid flow optimization in a gas-lift oil well |
| 04/06/2005 | CN2690588Y Annular detection rotary wellhead device |
| 04/06/2005 | CN1603574A Layered pipe column for squeeze packing sand control process |
| 04/05/2005 | US6876959 Method and apparatus for hydraulic fractioning analysis and design |
| 03/31/2005 | US20050071120 Method and apparatus for determining drill string movement mode |
| 03/31/2005 | US20050067005 Thermoacoustic electric power generation |
| 03/31/2005 | DE10303242B4 Vorrichtung und Verfahren zur Durchführung von Kernresonanzmessungen während des Bohrens eines Bohrlochs Apparatus and method for performing nuclear magnetic resonance measurements while drilling a borehole |
| 03/29/2005 | US6873947 Method for simulating drilling of roller cone bits and its application to roller cone bit design and performance |
| 03/29/2005 | US6871708 Cuttings injection and annulus remediation systems for wellheads |
| 03/29/2005 | US6871707 In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration |
| 03/24/2005 | WO2004104560A3 Formation-based interpretation of nmr data for carbonate reservoirs |
| 03/24/2005 | WO2004070159A3 Apparatus and methods for drilling a wellbore using casing |
| 03/24/2005 | US20050061511 High pressure multiple branch wellbore junction |
| 03/24/2005 | US20050061362 Geothermal power generator |
| 03/23/2005 | EP1228290A4 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
| 03/23/2005 | EP1147283B1 Multilateral well and electrical transmission system |
| 03/23/2005 | CN2687325Y Integrated underground tool string |
| 03/22/2005 | CA2229800C Apparatus and method for performing imaging and downhole operations at work site in wellbores |
| 03/17/2005 | WO2005024182A1 Borehole telemetry system |
| 03/17/2005 | WO2005024177A1 Downhole power generation and communications apparatus and method |
| 03/17/2005 | US20050060096 Method for improving drilling depth measurements |
| 03/17/2005 | US20050058532 Telescoping tool basket, especially for offshore operations, and method of using same |
| 03/17/2005 | US20050056429 Well tool protection system and method |
| 03/17/2005 | US20050056427 Downhole force generator and method for use of same |
| 03/16/2005 | EP1514997A2 Vibration based downhole power generator |
| 03/16/2005 | EP1226336A4 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
| 03/16/2005 | CN2685558Y Hydraulic controlling device for preventing workover rig drick from overturning |
| 03/16/2005 | CN2685557Y Dustproof cover for drilling machine |
| 03/16/2005 | CN2685532Y Hydraulic lifting and lowering workover rig derrick |
| 03/15/2005 | US6868040 Wireless power and communications cross-bar switch |
| 03/15/2005 | US6866449 Anchor block construction for an escape line |
| 03/15/2005 | US6866106 Fluid drilling system with flexible drill string and retro jets |