| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 06/26/2007 | US7234526 Method of forming a sealed wellbore intersection |
| 06/26/2007 | US7234524 Subsea chemical injection unit for additive injection and monitoring system for oilfield operations |
| 06/26/2007 | CA2402623C Template and system of templates for drilling and completing offsite well bores |
| 06/26/2007 | CA2260519C Sealed lateral wellbore junction assembled downhole |
| 06/26/2007 | CA2247834C Computer controlled downhole safety valve system |
| 06/21/2007 | US20070137826 Creating a well abandonment plug |
| 06/20/2007 | EP1797276A1 Sleeve arrangement |
| 06/20/2007 | EP1109609B1 Apparatus for handling waste |
| 06/19/2007 | US7231986 Well tool protection system and method |
| 06/19/2007 | US7231980 Self orienting lateral junction system |
| 06/14/2007 | WO2007067786A1 Plug retrieval and debris removal tool |
| 06/14/2007 | WO2007014101A3 Downhole actuation tool |
| 06/14/2007 | US20070131455 Nozzle unit and method for excavating a hole in an object |
| 06/14/2007 | US20070131421 Multiple entrance shunt |
| 06/13/2007 | EP1795699A1 Method of determining the sour gas storage capacity of a geological medium with the help of a multi-phase reactive transport model |
| 06/13/2007 | CN1321256C Oil-pumping workover rig |
| 06/12/2007 | US7228899 Warning device and method to prevent clutch burning |
| 06/07/2007 | US20070125579 Roller Cone Drill Bits With Enhanced Cutting Elements And Cutting Structures |
| 06/07/2007 | US20070125545 Method and apparatus for removing cuttings from drilling fluids |
| 06/07/2007 | US20070125530 Interactive and/or secure activation of a tool |
| 06/06/2007 | EP1793079A2 Apparatus and methods for tubular makeup interlock |
| 06/06/2007 | EP1660776B1 Galvanic corrosion protection apparatus for a pump |
| 06/05/2007 | US7226895 Drilling fluid systems for reducing circulation losses |
| 06/05/2007 | US7225877 Subsea intervention fluid transfer system |
| 06/05/2007 | US7225875 Multi-layered wellbore junction |
| 05/31/2007 | WO2007060449A2 Downhole tool |
| 05/31/2007 | US20070119626 Apparatus and methods for drilling a wellbore using casing |
| 05/31/2007 | CA2630916A1 Downhole tool |
| 05/30/2007 | CN1973110A Closed loop control system for controlling production of hydrocarbon fluid from an underground formation |
| 05/29/2007 | CA2432637C Method and apparatus for repair operations downhole |
| 05/24/2007 | WO2007057378A1 Wellbore system |
| 05/24/2007 | CA2626923A1 Wellbore system |
| 05/23/2007 | EP1689971B1 Method and system for injecting a treatment fluid into a well |
| 05/23/2007 | CN2903358Y Gaseous liquid balancing auto continuous chemicals adding apparatus |
| 05/22/2007 | US7220067 Cable splice protector |
| 05/22/2007 | US7219752 System and method for damping vibration in a drill string |
| 05/22/2007 | US7219747 Providing a local response to a local condition in an oil well |
| 05/22/2007 | US7219746 Apparatus and method for installing a branch junction from a main well |
| 05/22/2007 | US7219735 Immiscible with capping fluid; preventing pollution; kits |
| 05/22/2007 | US7219728 Method and apparatus for generating downhole power |
| 05/22/2007 | US7219722 Apparatus and methods for powering downhole electrical devices |
| 05/18/2007 | WO2007056554A1 Methods for optimizing efficiency and durability of rotary drag bits and rotary drag bits designed for optimal efficiency and durability |
| 05/18/2007 | WO2007056121A1 Monitoring formation properties |
| 05/18/2007 | WO2007055587A1 Subsea uninterruptible power supply system and arrangement |
| 05/18/2007 | WO2006120466A8 Apparatus for controlling a downhole device |
| 05/18/2007 | CA2628809A1 Methods for optimizing efficiency and durability of rotary drag bits and rotary drag bits designed for optimal efficiency and durability |
| 05/18/2007 | CA2627431A1 Monitoring formation properties |
| 05/17/2007 | US20070107944 Ball-activated mechanism for controlling the operation of a downhole tool |
| 05/16/2007 | CN1965248A Method for solving implicit reservoir simulation matrix equation |
| 05/16/2007 | CN1316140C Combined working platform for oil/water well |
| 05/15/2007 | US7216719 Field weldable connections |
| 05/15/2007 | US7216710 acidizing solution comprises an acid and a corrosion inhibiting compound comprising the reaction product of a thiol compound and an aldehyde compound; acidizing a near well bore region of a subterranean formation |
| 05/15/2007 | CA2556180C Method and apparatus for connecting a lateral branch liner to a main well bore |
| 05/15/2007 | CA2533839C Method of determining a cross-load on a mobile repair unit for a well |
| 05/10/2007 | US20070104031 Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor |
| 05/09/2007 | CN1961133A Erosion resistant aperture for a downhole valve or ported flow control tool |
| 05/08/2007 | US7213657 Apparatus and methods for installing instrumentation line in a wellbore |
| 05/08/2007 | US7213654 Apparatus and methods to complete wellbore junctions |
| 05/08/2007 | US7213652 Sealed branch wellbore transition joint |
| 05/03/2007 | US20070095540 Apparatus and method for managed pressure drilling |
| 05/03/2007 | US20070095532 Apparatus and method for sealing a wellbore |
| 04/26/2007 | WO2007047800A2 Apparatus and method for managed pressure drilling |
| 04/25/2007 | EP1625422B1 Formation-based interpretation of nmr data for carbonate reservoirs |
| 04/25/2007 | EP1412030B1 Method for biosolid disposal and methane generation |
| 04/25/2007 | CN1312378C Method for generating electric power in or near gas transportation duct and thermoacoustic electric power generator |
| 04/25/2007 | CA2566640A1 Formation prioritization optimization |
| 04/24/2007 | US7208845 Vibration based power generator |
| 04/24/2007 | US7207390 Method and system for lining multilateral wells |
| 04/24/2007 | US7207383 Multiple entrance shunt |
| 04/18/2007 | EP1774279A2 Method and apparatus for determining system integrity for an oilfield machine |
| 04/17/2007 | US7204324 Rotating systems associated with drill pipe |
| 04/12/2007 | WO2007041594A1 Methods and computer-readable media for determining design parameters to prevent tubing buckling in deviated wellbores |
| 04/12/2007 | US20070079968 Hydraulic Control and Actuation System for Downhole Tools |
| 04/12/2007 | CA2625178A1 Methods and computer-readable media for determining design parameters to prevent tubing buckling in deviated wellbores |
| 04/11/2007 | CN1309933C Creating zonal isolation between interior and exterior of underground well system |
| 04/10/2007 | US7201230 Hydraulic control and actuation system for downhole tools |
| 04/10/2007 | US7201221 Wellbores utilizing fiber optic-based sensors and operating devices |
| 04/04/2007 | EP1769135A1 Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties |
| 04/03/2007 | US7199480 Vibration based power generator |
| 04/03/2007 | US7198108 Changing the temperature of offshore produced water |
| 04/03/2007 | US7198099 Method and system for injecting a treatment fluid into a well |
| 04/03/2007 | CA2313884C Method for characterization of rock strata in drilling operations |
| 03/30/2007 | CA2521822A1 Flare stack |
| 03/29/2007 | WO2007034215A1 Drill cuttings storage and conveying |
| 03/29/2007 | WO2007034155A1 Corrosion inhibitor compositions and associated methods |
| 03/29/2007 | WO2007033477A1 Fluid with asphaltene control |
| 03/29/2007 | WO2006119022A3 Rotary steerable motor system for underground drilling |
| 03/29/2007 | DE102006043865A1 Bohranlagen-Kommunikationssystem und -verfahren Rig communication system and method |
| 03/29/2007 | CA2623508A1 Drill cuttings storage and conveying |
| 03/29/2007 | CA2622445A1 Corrosion inhibitor compositions and associated methods |
| 03/28/2007 | EP1766181A1 Apparatus and method for moving drill cuttings |
| 03/27/2007 | US7195084 Systems and methods for storing and handling drill cuttings |
| 03/27/2007 | US7195078 Multiple inserts of different geometry in a single row of a bit |
| 03/27/2007 | US7195069 Method and apparatus for backing off a tubular member from a wellbore |
| 03/27/2007 | CA2382356C Method and system for processing of drilling fluid |
| 03/22/2007 | US20070062689 Downhole trigger apparatus |
| 03/21/2007 | CN2881084Y High efficiency well liquid reducing device |
| 03/21/2007 | CN2880992Y Glass fiber reinforced plastic guardrail |
| 03/21/2007 | CN1932231A Branched selective reentry method and apparatus |
| 03/21/2007 | CN1932230A Branched well selective guiding in tool |