| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 07/21/2004 | CN1514905A In-situ casting of well equipment |
| 07/20/2004 | US6763889 Subsea intervention |
| 07/20/2004 | US6763886 In situ thermal processing of a coal formation with carbon dioxide sequestration |
| 07/15/2004 | WO2004059037A2 Method for reducing the corrosivity of water-containing oil-mixtures |
| 07/15/2004 | WO2004044379A3 Downhole hydraulic control line connector |
| 07/15/2004 | WO2004010568A3 Method and apparatus for generating pollution free electrical energy from hydrocarbons |
| 07/15/2004 | CA2512012A1 Method for reducing the corrosivity of water-containing oil-mixtures |
| 07/14/2004 | EP1436485A1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration |
| 07/13/2004 | US6761216 Pyrolysis temperature |
| 07/08/2004 | WO2004057153A1 A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing |
| 07/08/2004 | WO2004013446A3 Self-excited drill bit sub |
| 07/08/2004 | US20040129458 Retrievable pre-milled window with deflector |
| 07/08/2004 | US20040129422 Apparatus and method for wellbore isolation |
| 07/07/2004 | EP1435120A1 Operating electrolyte based components |
| 07/07/2004 | EP1252414A4 Method and operating devices having expandable element actuators |
| 07/07/2004 | EP1210499B1 Method and system for processing of drilling fluid |
| 07/07/2004 | CN2623871Y Hydraulic polished rod eye |
| 07/06/2004 | US6760275 High impact communication and control system |
| 07/06/2004 | US6758289 Method and apparatus for hydrocarbon subterranean recovery |
| 07/06/2004 | US6758277 System and method for fluid flow optimization |
| 07/06/2004 | US6758268 Heat exchanging, pyrolysis; monitoring temperature |
| 07/01/2004 | WO2003054340A3 Installation of evacuated tubular conduits |
| 06/24/2004 | WO2003040514A3 Proppant recovery system |
| 06/24/2004 | US20040120847 providing crude oil with a composition capable of dispersing water in said crude oil, such that the amount of water at a surface between said crude oil and a corrosion-sensitive material is decreased. |
| 06/24/2004 | US20040118564 Method and apparatus for wellbore fluid treatment |
| 06/24/2004 | US20040118563 Technique for preventing deposition products from impeding the motion of a movable component |
| 06/23/2004 | CN1506558A Cylinder unit for constant-pressure tank |
| 06/23/2004 | CN1154901C Sensor arrangement for controlling vehicle ventilation system |
| 06/22/2004 | US6752273 Recycling oil or gas well mined or excavated material into use by third party rather than buring; eliminating responsibility for mineral wastes; classifying, sizing and containerizing |
| 06/22/2004 | US6752211 Method and apparatus for multilateral junction |
| 06/22/2004 | US6752210 In situ thermal processing of a coal formation using heat sources positioned within open wellbores |
| 06/17/2004 | WO2004051053A1 Apparatus and method for opening and closing lateral boreholes |
| 06/17/2004 | US20040112603 Apparatus and method of drilling with casing |
| 06/16/2004 | EP1428974A2 Expandable wellbore junction |
| 06/15/2004 | US6750440 Opto-electrical actuation system and method |
| 06/15/2004 | US6749029 Automated bore planning method and apparatus for horizontal directional drilling |
| 06/15/2004 | US6749026 Method of forming downhole tubular string connections |
| 06/15/2004 | US6749021 Pyrolysis |
| 06/13/2004 | CA2640104A1 Apparatus and method of drilling with casing |
| 06/10/2004 | US20040110645 Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 06/10/2004 | US20040108111 In situ thermal processing of a coal formation to increase a permeability/porosity of the formation |
| 06/10/2004 | US20040108110 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 06/10/2004 | US20040108109 Drop ball catcher apparatus |
| 06/09/2004 | EP1425613A1 Downhole nmr processing |
| 06/09/2004 | CN2620083Y Oil field oill wellbore rotating machine |
| 06/08/2004 | US6745856 Methods and apparatus for disposing of deleterious materials from a well |
| 06/08/2004 | US6745855 Method and system for hydraulic friction controlled drilling and completing geopressured wells utilizing concentric drill strings |
| 06/08/2004 | US6745854 Electrically sequenced tractor |
| 06/08/2004 | US6745853 Methods and apparatus for open hole drilling |
| 06/08/2004 | US6745851 Methods and system for processing of drilling fluid |
| 06/08/2004 | US6745844 Hydraulic power source for downhole instruments and actuators |
| 06/08/2004 | US6745837 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate |
| 06/08/2004 | US6745832 Situ thermal processing of a hydrocarbon containing formation to control product composition |
| 06/08/2004 | US6745831 Mixture of hydrocarbons, h2, and/or other formation fluids may be produced from the formation. heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. |
| 06/03/2004 | WO2004046503A1 Optimizing well system models |
| 06/03/2004 | US20040104053 Methods for optimizing and balancing roller-cone bits |
| 06/03/2004 | US20040104027 Optimization of reservoir, well and surface network systems |
| 06/03/2004 | DE69816743T2 Fiberoptische sensoren und ansteuervorrichtungen in bohrloechern Fiberoptic Sensors and Control devices in boreholes |
| 06/01/2004 | US6745159 Process of designing screenless completions for oil or gas wells |
| 06/01/2004 | US6742596 Apparatus and methods for tubular makeup interlock |
| 06/01/2004 | US6742593 In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation |
| 06/01/2004 | US6742589 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources |
| 06/01/2004 | US6742588 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content |
| 06/01/2004 | US6742587 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| 05/27/2004 | WO2004044379A2 Downhole hydraulic control line connector |
| 05/27/2004 | WO2004044375A1 A method and apparatus for creating a cemented lateral junction system |
| 05/27/2004 | WO2004029399A3 Method of well casing cathodic protection optimization using the drill stem data |
| 05/27/2004 | US20040103376 Method and system and program storage device for storing oilfield related data in a computer database and displaying a field data handbook on a computer display screen |
| 05/27/2004 | DE10253123A1 Underground inspection device in particular suitable for vertical pipe, comprising rotating disks and soil conveyor worms |
| 05/26/2004 | EP1141516B1 A fluid-driven alternator having an internal impeller |
| 05/25/2004 | US6739415 Drill pipe protector |
| 05/25/2004 | US6739409 Method and apparatus for a downhole NMR MWD tool configuration |
| 05/25/2004 | US6739394 Providing heat and a synthesis gas generating fluid to the section to generate synthesis gas |
| 05/25/2004 | US6739393 In situ thermal processing of a coal formation and tuning production |
| 05/21/2004 | WO2004042191A1 Hydraulic fracturing method |
| 05/20/2004 | US20040094303 Inductively coupled method and apparatus of communicating with wellbore equipment |
| 05/19/2004 | DE10251496A1 Einrichtung zur Erzeugung von elektrischer Energie und von Druckimpulsen zur Signalübertragung Means for generation of electrical energy and pressure pulses to the signal transmission |
| 05/18/2004 | US6736215 In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration |
| 05/18/2004 | US6736012 Safety device for use as overpressure protection for a trapped volume space |
| 05/18/2004 | CA2294483C A method of injecting drilling waste into a well while drilling |
| 05/13/2004 | WO2004040094A1 Re-entry in multilateral wellsbores |
| 05/13/2004 | US20040092404 Sleeve with premachined aperture; coverings with release agent; insertion sleeve in well bore |
| 05/13/2004 | US20040090297 Arrangement and method for installing a subsea transformer |
| 05/13/2004 | US20040089475 Non-rotating sensor assembly for measurement-while-drilling applications |
| 05/13/2004 | US20040089450 Propellant-powered fluid jet cutting apparatus and methods of use |
| 05/11/2004 | US6732802 Isolation bypass joint system and completion method for a multilateral well |
| 05/11/2004 | US6732801 Apparatus and method for completing a junction of plural wellbores |
| 05/11/2004 | US6732796 Heating section of formation with heat sources to temperature allowing generation of synthesis gas, providing synthesis gas generating fluid to section, removing synthesis gas generated, repeating for second section, blending for desired ratio |
| 05/11/2004 | US6732795 Providing heat from one or more heat sources to at least one portion of formation; allowing heat to transfer from the one or more heat sources to a selected section of the formation; controlling the heat; producing a mixture from the formation |
| 05/11/2004 | US6732794 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
| 05/06/2004 | US20040087448 Packer fluid |
| 05/06/2004 | US20040085223 Device for producing of electric energy and of signal transmitting pressure pulses |
| 05/06/2004 | US20040084186 Well treatment apparatus and method |
| 05/06/2004 | EP1416118A1 Well treatment apparatus and method |
| 05/06/2004 | EP1415066A1 Completion of lateral well bores |
| 05/04/2004 | US6732052 Method and apparatus for prediction control in drilling dynamics using neural networks |
| 05/04/2004 | US6729401 Synthesis gas may be produced from the formation. synthesis gas may be used as a feed stream in an ammonia synthesis process. ammonia may be used as a feed stream in a urea synthesis process. |
| 05/04/2004 | US6729398 Methods of downhole testing subterranean formations and associated apparatus therefor |
| 05/04/2004 | US6729397 In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance |
| 05/04/2004 | US6729396 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range |