| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 08/05/2008 | CA2349188C Wellbore system including a conduit and an expandable device |
| 07/31/2008 | WO2008091458A1 Surface improvement for erosion resistance |
| 07/31/2008 | DE112006002135T5 Verfahren und Systeme zum Konstruieren und/oder Auswählen von Bohrausrüstung basierend auf Bohrlochbohrsimulationen Methods and systems for designing and / or selecting of drilling equipment based on Bohrlochbohrsimulationen |
| 07/30/2008 | EP1532346B1 Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 07/29/2008 | US7404446 Well tool protection system and method |
| 07/29/2008 | CA2472674C While drilling system and method |
| 07/29/2008 | CA2341119C Methods and associated apparatus for drilling and completing a wellbore junction |
| 07/29/2008 | CA2293686C Control and monitoring system for chemical treatment of an oilfield well |
| 07/24/2008 | US20080173449 Sour gas injection for use with in situ heat treatment |
| 07/23/2008 | EP1945905A1 Monitoring formation properties |
| 07/17/2008 | US20080169108 Multiple dart drop circulating tool |
| 07/16/2008 | CN101221634A Integrated reservoir optimization |
| 07/16/2008 | CN100402794C Branched well selective guiding in tool |
| 07/15/2008 | US7400262 Apparatus and methods for self-powered communication and sensor network |
| 07/15/2008 | CA2499381C Apparatus and method for pressure-compensated telemetry and power generation in a borehole |
| 07/15/2008 | CA2481757C Well tool protection system and method |
| 07/15/2008 | CA2187010C Method and appartus for remote control of wellbore end devices |
| 07/10/2008 | US20080164065 Construction of a Tubular at a Downhole Location |
| 07/09/2008 | EP1941130A2 Method for mechanical and capillary seal analysis of a hydrocarbon trap |
| 07/08/2008 | CA2497303C Three-dimensional well system for accessing subterranean zones |
| 07/08/2008 | CA2406741C In situ recovery of hydrocarbons from a kerogen-containing formation |
| 07/03/2008 | WO2008079211A1 Computer aided design of rock drilling bit |
| 07/03/2008 | US20080162094 Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach |
| 07/02/2008 | CN100398778C Method of fluid flowing in main cylinder via template guide cylinder, and template guide cylinder |
| 06/26/2008 | WO2008076809A1 Methods and apparatus for harvesting potential energy downhole |
| 06/26/2008 | WO2008075969A1 An apparatus for leakage testing and/or pressure testing of a portion of a pipe and also a method for use of same |
| 06/26/2008 | DE112006002137T5 Verfahren und Systeme zum Konstruieren und/oder Auswählen von Bohrausrüstung mit einer gewünschten Bohrmeißellenkbarkeit Methods and systems for designing and / or selecting of drilling equipment with a desired Bohrmeißellenkbarkeit |
| 06/26/2008 | DE112006002134T5 Verfahren und Systeme zum Konstruieren und/oder Auswählen von Bohrausrüstung unter Verwendung von Vorhersagen des Ganges des Drehbohrmeißels Methods and systems for constructing and / or selecting drilling equipment using predictions of the response of the drill bit |
| 06/26/2008 | DE112005000893T5 Werkzeugfangvorrichtung und -verfahren Tool safety gear and procedures |
| 06/26/2008 | CA2673088A1 An apparatus for leakage testing and/or pressure testing of a portion of a pipe and also a method for use of same |
| 06/26/2008 | CA2672079A1 Methods and apparatus for harvesting potential energy downhole |
| 06/25/2008 | EP1936111A1 Method for determining the sizeof tubular pipe to be inserted in a borehole |
| 06/25/2008 | EP1934123A1 Drill cuttings storage and conveying |
| 06/24/2008 | US7389787 Closed loop additive injection and monitoring system for oilfield operations |
| 06/19/2008 | WO2008043985A3 Method and apparatus for running tubulars |
| 06/19/2008 | US20080142229 Apparatus for Radially Expanding and Plastically Deforming a Tubular Member |
| 06/19/2008 | CA2668856A1 Corrosion inhibitor intensifier compositions and associated methods |
| 06/18/2008 | EP1931858A1 Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations |
| 06/18/2008 | EP1931856A1 Methods and computer-readable media for determining design parameters to prevent tubing buckling in deviated wellbores |
| 06/18/2008 | EP1931854A1 Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk |
| 06/17/2008 | CA2482931C Method for improving drilling depth measurements |
| 06/17/2008 | CA2482922C Method and apparatus for determining drill string movement mode |
| 06/17/2008 | CA2381286C Drilling and completion system for multilateral wells |
| 06/14/2008 | CA2613020A1 System and method for controlling actuation of a well component |
| 06/12/2008 | WO2008070665A1 Emergency ballast system for semi-submersible drilling rigs |
| 06/12/2008 | WO2008070648A2 Subsea manifold system |
| 06/12/2008 | WO2008068561A1 Methods and apparatus for navigating a tool downhole |
| 06/12/2008 | US20080135296 Protective coatings for drill pipe and associated methods |
| 06/12/2008 | US20080135256 Subsea Manifold System |
| 06/12/2008 | US20080135231 Downhole trigger apparatus |
| 06/12/2008 | CA2671170A1 Methods and apparatus for navigating a tool downhole |
| 06/11/2008 | EP1930540A1 Low power miniature hydraulic actuator |
| 06/11/2008 | EP1929122A2 C-plate assembly for use in a cable guided fishing assembly |
| 06/11/2008 | EP1929117A1 Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability |
| 06/11/2008 | EP1929072A1 Corrosion inhibitor compositions and associated methods |
| 06/11/2008 | CN201071708Y Device for using abandoned well as ground bed to protect underground pipes and oil wells |
| 06/10/2008 | US7385523 Apparatus and method for downhole well equipment and process management, identification, and operation |
| 06/10/2008 | US7383882 Interactive and/or secure activation of a tool |
| 06/05/2008 | WO2008066895A2 Discrete element modeling of rock destruction under high pressure conditions |
| 06/05/2008 | CA2670181A1 Discrete element modeling of rock destruction under high pressure conditions |
| 06/03/2008 | US7380835 Single bore high flow junction plate |
| 06/03/2008 | CA2458838C Method and system for lining multilateral wells |
| 06/03/2008 | CA2355798C Method of casing multilateral wells and associated apparatus |
| 06/03/2008 | CA2304687C Apparatus and method for installing a branch junction from a main well |
| 05/28/2008 | CN201065752Y Multifunctional operation machine for petroleum oil production and maintenance |
| 05/27/2008 | US7377332 Multiple inserts of different geometry in a single row of a bit |
| 05/27/2008 | US7377283 Coiled tubing wellbore cleanout |
| 05/21/2008 | EP1730386A4 Rotating systems associated with drill pipe |
| 05/20/2008 | US7373996 Method and system for separation of drilling/production fluids and drilled earthen solids |
| 05/20/2008 | US7373989 Flow nozzle assembly |
| 05/20/2008 | CA2466096C Proppant recovery system |
| 05/15/2008 | WO2008058298A1 Method and apparatus for the delivery of under-saturated sour water into a geological formation |
| 05/15/2008 | US20080110673 Apparatus and methods for drilling a wellbore using casing |
| 05/14/2008 | EP1218239B1 Underwater power and data relay |
| 05/13/2008 | US7370700 Multiple entrance shunt |
| 05/13/2008 | CA2534222C System for optimizing drilling in real time |
| 05/07/2008 | EP1918508A1 Method and system for providing electrical power to downhole well equipment |
| 05/07/2008 | EP1917619A2 Well modeling associated with extraction of hydrocarbons from subsurface formations |
| 05/02/2008 | WO2008050286A1 Degradable material assisted diversion |
| 05/02/2008 | CA2667156A1 Degradable material assisted diversion |
| 04/30/2008 | EP1639229B1 Apparatus and method for sealing a wellbore |
| 04/29/2008 | CA2474991C Oil well servicing vehicle |
| 04/29/2008 | CA2408898C Well reference apparatus and method |
| 04/24/2008 | US20080093124 Apparatus and methods for drilling a wellbore using casing |
| 04/23/2008 | EP1914380A1 Expandable wellbore junction |
| 04/23/2008 | EP1914379A1 Underwater seafloor drilling rig |
| 04/23/2008 | EP1738051B1 Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach |
| 04/22/2008 | US7360612 Roller cone drill bits with optimized bearing structures |
| 04/22/2008 | CA2524666C Wellbores utilizing fiber optic-based sensors and operating devices |
| 04/22/2008 | CA2357402C Method and system for predicting performance of a drilling system for a given formation |
| 04/22/2008 | CA2238334C Autonomous downhole oilfield tool |
| 04/17/2008 | WO2008043985A2 Method and apparatus for running tubulars |
| 04/17/2008 | US20080087471 Roller cone drill bits with optimized bearing structures |
| 04/17/2008 | US20080087435 Diverless connector for bend restrictors and/or bend stiffeners |
| 04/17/2008 | CA2666465A1 Method and apparatus for running tubulars |
| 04/16/2008 | EP1910642A1 Apparatus and method to monitor slurries for waste re-injection |
| 04/15/2008 | US7359844 Real time earth model for collaborative geosteering |
| 04/15/2008 | US7357616 Method and apparatus for transporting oil rig |
| 04/15/2008 | US7357197 Method and apparatus for monitoring the condition of a downhole drill bit, and communicating the condition to the surface |
| 04/15/2008 | US7357196 Method and system for predicting performance of a drilling system for a given formation |