Patents for E21B 41 - Equipment or details not covered by groups (7,984)
03/2006
03/22/2006EP1283941B1 Sealed lateral wellbore junction
03/22/2006CN1246567C System for producing de-watered oil
03/21/2006US7013980 Hydraulically actuated control system for use in a subterranean well
03/21/2006CA2077177C Modulated bias units for steerable rotary drilling systems
03/16/2006US20060054355 Nozzle bore for PDC bits
03/16/2006US20060054318 Method and apparatus for generating pollution free electrical energy from hydrocarbons
03/15/2006EP1635032A1 Method and apparatus for controlling surface well equipment
03/15/2006EP1511912A4 Downhole tool deployment safety system and methods
03/15/2006EP1436485B1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration
03/15/2006EP1397661A4 Method and apparatus for downhole fluid characterization using flxural mechanical resonators
03/15/2006CN1245569C Apparatus and method for separating fluids underground of oil well
03/14/2006US7011168 Hole forming tool
03/14/2006US7011154 In situ recovery from a kerogen and liquid hydrocarbon containing formation
03/14/2006US7011151 Sealed lateral wellbore junction
03/14/2006CA2239734C Fluid drilling system
03/08/2006CN2763498Y Intelligent ignitor for venting in drilling of petroleum
03/08/2006CN2763497Y Switch type pump controller
03/08/2006CA2518347A1 Method and apparatus for controlling wellbore equipment
03/02/2006WO2006023851A1 Method of designing and drilling systems made using rock mechanics models
03/02/2006WO2006023690A2 A modular, distributed, rov retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
03/02/2006US20060047489 Method of modelling the production of an oil reservoir
03/02/2006CA2577673A1 Method of designing and drilling systems made using rock mechanics models
03/01/2006EP1630348A1 Method for modelling the production of an oil-bearing formation
03/01/2006CN2761837Y Underwell operation area and its connected recovery device of sewage and sump oil
02/2006
02/28/2006US7006920 Activity data capture system for a well service vehicle
02/28/2006US7004456 Engine speed limiter for a hoist
02/28/2006CA2515324A1 Method of modelling oil field production
02/23/2006US20060037758 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
02/23/2006US20060037745 Expandable device for use in a well bore
02/22/2006EP1454028A4 Proppant recovery system
02/22/2006EP1278932B1 Apparatus and methods for forming a lateral wellbore
02/22/2006EP1251912B1 Method for biosolid disposal and methane generation
02/21/2006US7002261 Downhole electrical submersible power generator
02/21/2006US7000903 Wireline subsea metering head and method of use
02/21/2006US7000703 Sealed multilateral junction system
02/21/2006US7000695 Expanding wellbore junction
02/21/2006CA2198237C Arrangement in boom for rock drilling unit
02/16/2006US20060032674 Roller cone drill bits with optimized bearing structures
02/15/2006EP1626159A2 Apparatus and methods for forming a lateral wellbore
02/15/2006EP1626158A2 Device for generating electrical energy downhole
02/15/2006EP1625422A2 Formation-based interpretation of nmr data for carbonate reservoirs
02/15/2006CN2758464Y Wax scraper of well head sucker rod
02/15/2006CN2758463Y Overhaul operating machine for petroleum well
02/15/2006CN2758462Y Oil well casing chemical adding device
02/14/2006US6998724 Power generation system
02/14/2006US6997255 In situ thermal processing of a hydrocarbon containing formation in a reducing environment
02/14/2006CA2344725C Method of generating power at remote oil pumping installations
02/14/2006CA2164360C Method for multi-lateral completion and cementing the juncture with lateral wellbores
02/14/2006CA2136375C A method and apparatus for retrofitting drilling rigs with a catch pan
02/09/2006CA2483320A1 Device for generating electrical energy from a vibrating tool
02/08/2006CN2756823Y Float disc type braking device for petroleum drilling bit
02/08/2006CN1732326A A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing
02/07/2006US6994492 Methods for remote installation of devices for reducing drag and vortex induced vibration
02/07/2006US6994168 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio
02/07/2006US6994165 Multilateral open hole gravel pack completion methods
02/07/2006US6994161 In situ thermal processing of a coal formation with a selected moisture content
02/07/2006US6994160 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range
02/07/2006CA2445696C Method and system for supplying well log data to a customer
02/07/2006CA2211085C Multilateral sealing
02/02/2006US20060021750 Method and system for injecting a treatment fluid into a well
02/01/2006EP1621724A2 Methods of downhole testing subterranean formations and associated apparatus therefor
02/01/2006EP1620628A2 Arctic platform
02/01/2006CN1729346A 水力压裂方法 Hydraulic fracturing method
02/01/2006CN1729343A Template and system of templates for drilling and completing offset well bores
01/2006
01/31/2006US6991048 Wellbore plug system and method
01/31/2006US6991047 Wellbore sealing system and method
01/31/2006US6991031 In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products
01/31/2006CA2221062C Isolation/injection tool
01/26/2006WO2006009963A2 Method and apparatus for determining system integrity for an oilfield machine
01/26/2006WO2005068777A3 Methods of using sealants in multilateral junctions
01/26/2006US20060016621 Method and system for deep sea drilling
01/26/2006CA2570904A1 Method and apparatus for determining system integrity for an oilfield machine
01/24/2006US6989764 Apparatus and method for downhole well equipment and process management, identification, and actuation
01/24/2006CA2246186C Methods of completing and producing a subterranean well and associated apparatus
01/19/2006US20060011389 Downhole tool
01/19/2006US20060011352 Safety lock for elevators
01/19/2006US20060010865 Produced water disposal method
01/18/2006CN1721653A Electric control hydraulic braking arrangement
01/17/2006US6986395 Force-balanced roller-cone bits, systems, drilling methods, and design methods
01/12/2006US20060006004 Method for extracting coal bed methane with source fluid injection
01/12/2006US20060006003 Multiple inserts of different geometry in a single row of a bit
01/12/2006US20060005969 General method for disposal of produced water
01/12/2006US20060005964 Downhole completion system and method for completing a well
01/12/2006CA2570058A1 Closed loop control system for controlling production of hydrocarbon fluid from an underground formation
01/11/2006EP1502005A4 Method and apparatus for determining drill string movement mode
01/11/2006EP1502004A4 System and method for interpreting drilling data
01/11/2006EP1502003A4 Method for improving drilling depth measurements
01/11/2006EP1276959B1 Method and system for treating a hydrocarbon containing formation
01/10/2006US6985061 Arrangement and method for installing a subsea transformer
01/07/2006CA2511708A1 Multiple inserts of different geometry in a single row of a bit
01/05/2006WO2006000663A1 Method for injecting acid compounds into an underground reservoir
01/05/2006WO2005108741B1 Tool trap assembly and method
01/05/2006WO2005086736A3 Providing a local response to a local condition in an oil well
01/05/2006US20060000614 Surface controlled subsurface lateral branch safety valve
01/05/2006US20060000603 Formation evaluation system and method
01/04/2006EP1611508A1 Performance prediction method for hydrocarbon recovery processes
01/04/2006EP1611312A1 Drifting tubing
01/04/2006EP1129272B1 Method and apparatus for remote control of a tubing exit sleeve
01/03/2006US6982008 Coiled tubing wellbore cleanout
01/03/2006US6981553 Controlled downhole chemical injection
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