Patents
Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198)
04/2009
04/09/2009WO2009016346A3 Deployment system
04/09/2009US20090090517 Apparatus and method for electrical packer feedthrough
04/09/2009US20090090512 System and method for delivering a cable downhole in a well
04/08/2009CN201218065Y Special pincers for telescopic pumping rod
04/08/2009CN201218064Y Self-locking type pipe elevator pin
04/08/2009CN201218063Y Suspension apparatus for test borehole anti-blowout pipe
04/08/2009CN201218054Y Full-pneumatic guide rail type pressure-relief drill rig
04/08/2009CN101405473A Device for storing tubulars and devices for handling of tubulars
04/08/2009CN101405472A Seal assembly for use in a top drive
04/07/2009US7513845 Variable speed transmission for a power tool
04/07/2009US7513312 Drilling rig apparatus and downhole tool assembly system and method
04/07/2009US7513300 Casing running and drilling system
04/07/2009CA2472635C Cable drawn snubbing apparatus
04/02/2009WO2009018173A3 Continuous flow drilling systems and methods
04/02/2009US20090084558 Electrically powered well servicing rigs
04/02/2009US20090084538 Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use
04/02/2009US20090084537 Top Drive Drilling Apparatus
04/02/2009CA2700385A1 A mobile land rig
04/01/2009EP2042682A2 Flexible hang-off arrangement for a catenary riser
04/01/2009CN201214993Y Auto turnover device for repairing drill rod tongs
04/01/2009CN201214992Y Improved rod rotor
04/01/2009CN101397892A Iron driller
04/01/2009CN101397891A Ac variable frequency automatic driller
03/2009
03/31/2009US7510033 Apparatus for vertically supporting pipes
03/31/2009US7510028 Drill pipe racking apparatus
03/31/2009US7509722 Positioning and spinning device
03/26/2009WO2008134765A4 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig
03/26/2009US20090080815 Light metal feed beam for use on a drill rig
03/26/2009US20090078404 Tubing hanger apparatus and wellhead assembly for use in oil and gas wellheads
03/25/2009EP2039648A1 Material handling means
03/25/2009CN201212364Y Reverse-flighted screw for arranging coiled tubing by winch barrel
03/25/2009CN201212363Y Safety rope socket
03/25/2009CN201212362Y Seven-kilometer triaxial DC electric drilling winch
03/24/2009US7506685 Apparatus and method for extracting petroleum from underground sites using reformed gases
03/24/2009US7506564 Gripping system for a tong
03/19/2009WO2008154555A3 Method and apparatus for lengthening a pipe string and installing a pipe string in a borehole
03/19/2009WO2008147210A3 A device for a top drive drilling machine for continuous circulation of drilling mud
03/19/2009WO2008127084A4 A seamless steel tube for work-over riser and method of manufacturing
03/18/2009EP2035702A2 Linear rod pump apparatus and method
03/18/2009EP2035650A1 Triple activity drilling ship
03/18/2009CN201209410Y Anti-spout hydraulic lift device
03/18/2009CN101389825A First and second beam for a telescopic feeder, incorporatingguiding studs, telescopic feeder, drilling device for rock drilling and a way of using a guiding stud
03/18/2009CN101387186A Mining hydraulic drilling rig linkage hydraulic system
03/17/2009US7503397 Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
03/17/2009US7503395 Downhole connection system
03/17/2009US7503394 System for running oilfield tubulars into wellbores and method for using same
03/17/2009CA2510435C Connector assembly useful with a downhole tool
03/12/2009WO2009032758A1 Adjustable pipe guide for use with an elevator and/or a spider
03/12/2009WO2009032705A1 Clamping and breaking device
03/12/2009WO2009031166A1 Equipment used to unscrew drill rods, of the type composed of an overlapped pair of vices
03/12/2009WO2009030926A2 A downhole device
03/12/2009WO2009013434A3 Device for extracting a material from the bed of a body of water and associated method
03/12/2009WO2008155667A3 Extension bridges and methods of tender assist
03/12/2009US20090065196 Methods and Apparatus for Anchoring and Expanding Tubular Members
03/12/2009US20090065190 Oil well polish rod clamp for use with a rotator on a beam pumping unit
03/12/2009US20090065189 Tong Positioning and Alignment Device
03/12/2009DE102007043045A1 Mobile drilling rig for constructing drill in ground, has mobile base, at which mast is erected from transport position in operative position, and mast is divided into two mast sections, which are fastened to one another in folding manner
03/12/2009CA2735967A1 A downhole device
03/12/2009CA2699175A1 Adjustable pipe guide for use with an elevator and/or a spider
03/11/2009EP1937930B1 Separating device
03/11/2009EP1135576B8 Improved oilfield tubular elevator and method for using same
03/11/2009CN201206443Y Thread losting valve for preventing drill colliding crown block
03/11/2009CN201206442Y Tension dynamometer big rope protector for fixation pumping mast
03/11/2009CN101382067A PLC control method for hydraulic tongs
03/11/2009CN101382047A Tractor hoist with speed adjusted by super capacitance set storage type generator
03/11/2009CN101382046A Inertia variable fly wheel energy storage type well repairing machine
03/10/2009US7500518 Top drive swivel apparatus and method
03/10/2009CA2407233C Automated riser recoil control system and method
03/05/2009WO2009029879A2 Grapple attachment for use with drill pipes
03/05/2009WO2009029151A1 Stripper rubber retracting connection system
03/05/2009WO2008154388A3 Use of low impact expansion to reduce flow friction
03/05/2009US20090057032 Segmented Bottom Guide for String Elevator Assembly
03/05/2009US20090057019 Grapple attachment for use with drill pipes
03/05/2009US20090056954 High angle water flood kickover tool
03/05/2009US20090056953 Enclosed coiled tubing rig
03/05/2009US20090056933 Power slip
03/05/2009US20090056932 Teeter beam assembly
03/05/2009US20090056931 Clamping and breaking device
03/05/2009US20090056930 Adjustable Pipe Guide For Use With An Elevator and/or A Spider
03/05/2009CA2845206A1 Method and system for controlling a well service rig based on load data
03/05/2009CA2699728A1 Grapple attachment for use with drill pipes
03/05/2009CA2639345A1 Method and system for controlling a well service rig based on load data
03/05/2009CA2639343A1 Method and system for governing block speed
03/04/2009EP2031180A1 Improved Oilfield Tubular Elevator and Method for Using Same
03/04/2009EP2029857A1 A drawworks device on a drill floor
03/04/2009EP2029853A1 Well drilling machine with new drill pipe loader
03/04/2009EP2029424A1 A system for active heave compensation and use thereof
03/04/2009EP2029423A1 Heave motion compensation
03/04/2009EP1689967B1 Drilling apparatus with anti-vibration inertial body
03/04/2009CN201202420Y Automatic exhausting device of well site pipe column
03/04/2009CN101379268A Upper beam for a telescopic feeder, telescopic feeder and drilling device for rock drilling
03/03/2009US7497268 Drill pipe elevators and methods of moving drill pipe
03/02/2009CA2639344A1 Method and system for evaluating rod breakout based on tong pressure data
02/2009
02/28/2009CA2599911A1 Teeter beam assembly
02/26/2009WO2009026205A2 Portable drill pipe handling apparatus for use with oil and gas well drilling rigs
02/26/2009WO2009025977A1 Downhole valve having incrementally adjustable open positions and a quick close feature
02/26/2009WO2009024760A2 Connector assembly for riser with heave compensation
02/26/2009US20090053015 Pipe Handling Equipment
02/26/2009US20090053014 Apparatus for an automatic casing stabbing arm
02/26/2009US20090053013 Portable drill pipe handling apparatus for use with oil and gas well drilling rigs
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