Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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)
10/2012
10/24/2012EP2513409A2 Mouse hole dampening system
10/24/2012EP2513407A1 A drilling installation
10/24/2012EP2513403A1 Hose tensioner for a rock drill system
10/24/2012CN202500521U High-pressure large flow water inrush borehole safety system
10/24/2012CN202500511U Anti-hand-squeezing device for hydraulic operating pliers
10/24/2012CN202500510U Oil field drilling rod conveying device
10/24/2012CN202500509U Automatic placing device for drill pipes
10/24/2012CN202500508U Automatic placing and taking device for drill rods
10/24/2012CN102752021A Power-line carrier oil-well communication system
10/24/2012CN102747955A Novel deep-sea automatic extension rod drilling machine for maintaining pressure and sampling and use method of novel deep-sea automatic extension rod drilling machine
10/24/2012CN101942975B Back-up wrench for oil drilling
10/23/2012US8291977 Oil well plug and abandonment method
10/23/2012CA2709446C Stand compensator
10/23/2012CA2707337C Method and devices for handling rod-like pieces in drilling and bolting
10/23/2012CA2702189C Equalized load distribution slips for spider and elevator
10/23/2012CA2676873C Methods and apparatus for supporting tubulars
10/18/2012WO2012141881A2 Pressure equalization apparatus and associated systems and methods
10/18/2012WO2012141870A2 Circulation and rotation tool
10/18/2012WO2012140326A1 Rotation unit, rock drilling unit and method for rock drilling
10/18/2012WO2011097380A8 System and metod for conducting drilling and coring operations
10/18/2012US20120261528 Device for securing pipes having various diameters
10/18/2012US20120261195 Tool Guide Device for a Drill Floor
10/18/2012US20120261138 Circulation and rotation tool
10/18/2012US20120261133 Broken pipe blocker
10/18/2012US20120261112 System for reducing oil beneath the ground
10/18/2012CA2832003A1 Circulation and rotation tool
10/18/2012CA2829144A1 Rotation unit, rock drilling unit and method for rock drilling
10/17/2012EP2510185A1 Injection module, method and use for lateral insertion and bending of a coiled tubing via a side opening in a well
10/17/2012EP2510181A2 Multi-function multi- hole drilling rig
10/17/2012CN202493230U Falling prevention device for manipulator
10/17/2012CN202493229U Combined type down-the-hole hammer junction type drill rod fixation and connection mechanism
10/17/2012CN202493228U Machinery slip-type outer tube brake device for single-acting three-tube drilling tool
10/17/2012CN202493227U Lifting sub capable of entering well
10/17/2012CN102733768A Continuous pipeline tripping device
10/17/2012CN102733767A Hydraulic assistance device for unhooking
10/17/2012CN102733766A Automatic extension bar pressure maintaining and sampling device matched with drilling machine for deep sea, and using method for automatic extension bar pressure maintaining and sampling device
10/17/2012CN102733765A Construction device
10/17/2012CN102733764A Method and device for suspending pipe column in well workover treatment
10/17/2012CN101699019B Device for reconstructing well head with fire for oil-gas well out of control
10/16/2012US8286943 Pushing or pulling device
10/16/2012US8286728 System and method for communicating about a wellsite
10/16/2012US8286727 Weighing and display station
10/16/2012US8286714 Riser tensioner with shrouded rods
10/11/2012WO2012138657A1 A tubing reel assembly for coiled tubing systems
10/11/2012WO2012138646A2 An injector head for coiled tubing systems
10/11/2012WO2012138333A1 Rotating control device with positive drive gripping device
10/11/2012US20120255743 Corrodable boring shoes for wellbore casing, and methods of forming and using such corrodable boring shoes
10/11/2012CA2832478A1 A tubing reel assembly for coiled tubing systems
10/11/2012CA2832476A1 An injector head for coiled tubing systems
10/11/2012CA2830160A1 Rotating control device with positive drive gripping device
10/10/2012CN202483485U Clamp of disassembling and assembling female screw thread protecting cover
10/10/2012CN202483484U Deep-sea submarine hydraulic caliper
10/10/2012CN202483483U Specialized clamping device for oil tubular product on-site inspection
10/10/2012CN202483482U Hydraulic stepping drill pipe connecting device for CBM drilling machines
10/10/2012CN202483481U Rubber sleeve chuck for large dip angle drilling
10/10/2012CN202483480U Hydraulic clamping device
10/10/2012CN202483479U Novel slip bowl
10/10/2012CN202483478U Slips barrel
10/10/2012CN202483477U Crescent rod elevator
10/10/2012CN202483476U Beam hanger for polish rod of belt pumping unit
10/10/2012CN202483475U Drilling machine lifting system driven by low-speed high-thrust straight-line motor
10/10/2012CN102725474A Rotary table device for a pipe string
10/10/2012CN102720451A Punching mechanism of automatic twisting machine of spindle-type drilling machine
10/10/2012CN102720450A Automatic twisting machine of spindle-type drilling machine
10/10/2012CN102720449A Clamping mechanism of automatic twisting machine of spindle-type drilling machine
10/10/2012CN102720448A Device and method for connecting drill rod with three-joint unit
10/10/2012CN102720447A Motive power catwalk pipe wane and pipe loading method of motive power catwalk pipe wane
10/10/2012CN102720446A Automatic derrick monkey of drilling machine
10/10/2012CN102720445A Mousehole clamping device for petroleum drilling machine
10/10/2012CN102720444A Hydrocushion large-tonnage lift sub
10/10/2012CN101812977B Drilling platform pipe racking system and method
10/10/2012CN101405472B Top drive for borehole operation, related seal assembly and seal method
10/09/2012US8282077 Pole puller system
10/09/2012US8281877 Method and apparatus for drilling with casing
10/09/2012US8281867 Pipe connection system
10/09/2012US8281856 Torque sub for use with top drive
10/09/2012US8281851 Coil tubing cable head with tool release, fluid circulation and cable protection features
10/09/2012CA2710944C Snubbing tubulars from a sagd well
10/09/2012CA2630787C Method and device for positioning a power tong at a pipe joint
10/09/2012CA2571358C Entrainment fluid channeling device for a down-hole drill string
10/09/2012CA2510336C Balanced continuous well string injection unit
10/06/2012CA2736416A1 Thread protector manipulation tool
10/04/2012WO2012092091A3 Remote actuation testing tool for high pressure differential downhole environments
10/04/2012US20120247787 Injector Head For Coiled Tubing Systems
10/04/2012US20120247786 Remotely operated single joint elevator
10/04/2012US20120247769 Selectable, internally oriented and/or integrally transportable explosive assemblies
10/03/2012EP2504519A2 Device for securing pipes having various diameters
10/03/2012CN202467720U Core repairing tool for sleeve centering
10/03/2012CN202467719U Quick-change type coiled tubing roller device
10/03/2012CN202467718U Sleeve detaching mechanism for drilling rod
10/03/2012CN202467717U Novel main pincers device of assembling/disassembling frame of underground drilling tool
10/03/2012CN202467716U Automatic spinner for petroleum drilling
10/03/2012CN202467715U Continuous conveying device for petroleum pipe strings
10/03/2012CN202467714U Drilling rod automatic arrangement conveyer
10/03/2012CN202467713U Back clamp holder
10/03/2012CN202467712U Nitrogen spring type hydraulic chuck
10/03/2012CN202467711U Unidirectional rotation locking device
10/03/2012CN202467710U Pressure increase mechanism for hydraulic drilling machine
10/03/2012CN202467709U Slip frame
10/03/2012CN202467708U Self-locking mechanism elevator
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