Traction control for downhole tractor,申请号US20040751599-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Traction control for downhole tractor
摘要	Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole.
申请公布号	US2005145415(A1)	申请公布日期	2005.07.07
申请号	US20040751599	申请日期	2004.01.05
申请人	DOERING FALK W.;SHEIRETOV TODOR K.;EWAN ROBIN A.;FOUBERT BENOIT A.	发明人	DOERING FALK W.;SHEIRETOV TODOR K.;EWAN ROBIN A.;FOUBERT BENOIT A.
分类号	E21B4/18;E21B23/00;E21B23/14;(IPC1-7):E21C25/00	主分类号	E21B4/18
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Air conditioning unit for motor vehicle, has housing unit with air mixer door and guidance element, where element defines two channel for flowing warmed up air and bypass air

Container for holding e.g. meat products, in freezing bag, has holders separated from each other to respectively hold foodstuffs and limit accommodating volume, where two surfaces are open by boundary surfaces of cuboids formed by holders

Print control strip producing method for printing press, involves assigning process control unit to condition depending on which process control unit lies within boundaries by raster image processor during producing print control strip

Base or cover wafer for producing cavity for multiplicate component, has getter test array arranged such that getter test array comes to lie in cavity, where array exhibits small getter material surface than gas absorption array surface

Excitation of solids e.g. powders, sieves, surfaces and tubes with ultrasound to minimize surface friction during relative movement, first applies ultrasonic tuning to find optimum working point

Optical arrangement for use in projection exposure apparatus used for immersion lithography has hydrophobic coating comprising ultraviolet (UV) resistant layer that absorbs and reflects UV radiation at predetermined wavelength

Airbags, particularly inflatable curtains for fastening over mounting straps in vehicle structure, comprises flexible fastening tab with fastened opening for fixing to motor vehicle by interlocking element

Catalytic reduction device for catalytic reduction of nitric oxides in exhaust gas systems, has reducing agent tank for fluid reducing agent and reducing agent-supply device

Solar cell manufacturing method for conversion of light into electrical energy, involves etching surface of solar cell substrate by etching solution during etching time, and removing etching solution from surface of substrate

Sheets cutting machine for sheet-processing machine i.e. sheet rotation printing machine, has additional cylinder attached to sheet guiding cylinder, where surface of additional cylinder is designed as counter tool

Process and assembly to create plastic body with two or more inner voids by sequential injection of hot liquid and compressed gas

Recording device for producing multimedia picture of event i.e. lecture in university, has processing unit converting video pictures and audio pictures into output file, and external interface for providing output file to customer

Optical transmission line's polarization mode dispersion determining method, involves determining polarization mode dispersion of transmission line from preset representations of partial signals to orthogonal polarized signal portions

Terminal e.g. host, access controlling method for e.g. Internet, involves evaluating information lying in control unit over access authorizations, terminals, and usable services, and signaling state of connection in network to one terminal

Tool for boring blind hole and for milling undercut in blind hole, has coupler connected with borer in torque-proof manner, coupler parts connected with each other in torque-proof manner, and borer and cutter detachable from coupler

Foamable composition useful for reinforcing and/or stiffening structural members e.g. stiffening thin-walled building components, comprises epoxy resins; curatives; blowing agents; and polyesters

Needle protection device for injection appliance, comprises needle guard moving in blocking engagement due to spring force, where needle guard is moved from starting to triggering position, over a small part of release stroke

Vibrating body e.g. shaker body, for sorting device i.e. ballistics separator, has longitudinal sections running in direction of longitudinal axis, alternatively inserted or brought by openings of cross bars and held in detachable manner

APPARATUS AND METHOD CAPABLE OF RECORDING FALL

Axial fan for conveying cooling air for cooling device of motor vehicle, comprises air blades with blade tips, that rotate in frame ring under formation of column between blade tip and frame ring