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)
04/2014
04/02/2014CN102587847B Continuous conveying device for petroleum tubular column
04/02/2014CN102066691B Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit
04/01/2014US8684073 Device for injection and stimulation of fluids in a well bore
04/01/2014CA2828491A1 Non-metallic slips having inserts oriented normal to cone face
04/01/2014CA2654932C A drawworks device on a drill floor
03/2014
03/27/2014WO2014047474A1 Modular coiled tubing unit
03/27/2014WO2014047055A1 Modular pipe basket
03/27/2014WO2014046859A2 Packer assembly for an offshore riser and method of using same
03/27/2014WO2014044774A2 Method for connecting a drill head to a drill pipe and device for holding a drill head
03/27/2014WO2011119214A3 Apparatus for supporting or handling tubulars
03/27/2014US20140083774 Drilling tool changer apparatus
03/27/2014US20140083676 Magnetic-Latch Stabbing Guide
03/26/2014EP2710221A2 Seal around braided cable
03/26/2014CN203499600U Guide rail type adjustable centering disc for coal bed gas drilling machine
03/26/2014CN203499599U Automatic rod replacing machine for full-hydraulic wagon drill
03/26/2014CN203499598U Conveying device for well-repairing oil sleeve
03/26/2014CN203499597U Pumping well smooth-rod bending-preventing clip
03/26/2014CN203499596U Coal bed methane drilling machine hydraulic chuck
03/26/2014CN203499595U Anti-dropping elevator safety pin
03/26/2014CN203499594U Device for retracting and releasing hook block assembly of operation headframe
03/26/2014CN203499593U Lower casing device for top driver of upright derrick
03/26/2014CN203499592U Wellhead operating device for workover treatment
03/26/2014CN103670305A Antifouling clamping block of continuous tube injection head and manufacturing method thereof
03/26/2014CN103670304A Drill rod clamping device of power head type drilling machine
03/26/2014CN103670303A Pipe elevator
03/26/2014CN103670302A Rod elevator
03/26/2014CN103670272A Double-speed double-torque crawler type hydraulic cutting drilling machine
03/26/2014CA2791039A1 Well head wrench
03/25/2014US8678456 Single joint elevator having deployable jaws
03/25/2014US8678112 Slip device for suspending a drill or casing string in a drill floor
03/25/2014US8678094 Multiple activity rig
03/25/2014US8678092 Controllably installed multilateral completions assembly
03/25/2014US8678088 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig
03/20/2014WO2014043505A1 Drills string components having multiple-thread joints
03/20/2014WO2014043028A1 Multi-piston hydrostatic setting tool with locking feature and a single lock for multiple pistons
03/20/2014US20140076583 Method and apparatus for anchoring casing and other tubular goods
03/20/2014US20140076548 Automated systems and methods for make-up and break-out of tubulars
03/20/2014US20140076533 Modular Coiled Tubing Unit
03/20/2014DE112012002117T5 Rohrführungseinrichtung, Rohrschieber, Rollenbock und Verfahren zum Verlegen eines Rohres in einem Untergrund Conduit means, tube slide, roller block and method of laying a pipe in an underground
03/20/2014DE102012216917A1 Verfahren zum Verbinden eines Bohrkopfes mit einem Bohrgestänge sowie Vorrichtung zum Halten eines Bohrkopfes Method for connecting a drill bit to a drill string as well as means for holding a drill bit
03/19/2014EP2707567A1 Device for attaching a first element to a retaining flange of a second element, associated installation and method
03/19/2014CN203488127U Pipe fitting injection head power system and continuous pipe injection device
03/19/2014CN203488126U Tube rod moving device
03/19/2014CN203488125U Gating safety protection device of open-type hydraulic power tongs
03/19/2014CN203488124U Brake mechanism of power tongs for oil field pipes
03/19/2014CN203488123U Clamping deformation prevention limiting device of power tongs for oil field pipes
03/19/2014CN203488122U Vertically pipe-arranging system
03/19/2014CN203488121U Automatic drill pipe box
03/19/2014CN203488120U Automatic power ramp way
03/19/2014CN203488119U Iron stand
03/19/2014CN203488118U Clamping-compensating hydraulic chuck
03/19/2014CN203488117U Multifunctional hydraulic elevator for rope coring drill rod
03/19/2014CN103649456A Method of reducing deflection through a rod piston in a subsurface safety valve
03/19/2014CN103649455A Apparatus to remotely actuate valves and method thereof
03/19/2014CN103643909A Double clamp structure suitable for automatically screwing/unscrewing drill rod of underground drill rig
03/19/2014CN103643908A Hydraulic break-out tongs with screw thread protection function
03/19/2014CN103643907A Thermal assembly device used for connecting aluminium alloy drill rod body with steel joint
03/19/2014CN103643906A Drill pipe warehouse mechanism
03/19/2014CN103643905A Transferring device used for upper-lower catwalk of pipe rod
03/19/2014CN103643904A Manipulator for drilling machine pipe processing
03/19/2014CN103643677A Tubular pile core taking-out machine
03/19/2014CN103641012A Reduced pressure drilling control system of driller and rock driller using same
03/19/2014CN102359360B Stepless speed regulation type oil pump
03/19/2014CN102322228B Centralizer and drill rod and engineering machine applying same
03/18/2014US8672059 Permanent magnet direct drive drawworks
03/18/2014US8672043 Enclosed coiled tubing boat and methods
03/18/2014US8672042 Continuous fluid circulation valve for well drilling
03/18/2014CA2721496C Methods and systems for orienting in a bore
03/18/2014CA2607289C Tubular running tool and method of using same
03/13/2014WO2013101434A3 Control line securement method and system
03/13/2014WO2013101395A3 Pipe drive sealing system and method
03/13/2014WO2009156722A3 Spoolable riser hanger
03/13/2014US20140069833 Sub basket and method for storing and transporting subs
03/13/2014US20140069720 Tachometer for a rotating control device
03/13/2014US20140069660 Apparatus, methods, and systems for filling and circulating fluid in tubular members
03/12/2014EP2705211A2 Floating spider
03/12/2014EP2705210A2 Extended range single - joint elevator
03/12/2014CN203476256U Magnetic hoisting type drill rod conveying device of drilling machine
03/12/2014CN203476255U Well drilling connector lifting device
03/12/2014CN203476254U Tooth seat shedding preventive mechanism for hydraulic power tongs
03/12/2014CN203476253U Combined type iron roughneck and slurry blowout prevention box
03/12/2014CN203476252U Pipe racking machine traveling system
03/12/2014CN203476251U Electric pipe arrangement device
03/12/2014CN203476250U Drilling-rod hanger
03/12/2014CN203476249U Hydraulic synchronous holder
03/12/2014CN203476248U Semi-active type crown block heave compensation device
03/12/2014CN203476247U Remotely-controlled pneumatic lift sub and chuck
03/12/2014CN203476246U Sucker rod lifting system device
03/12/2014CN203476245U Beam hanger capable of adjusting lengths of cables
03/12/2014CN203476244U Automatic sewage discharging device of tractor hoist gas path system
03/12/2014CN203476243U Oil tube sliding protection device for rountrip of oil-water well
03/12/2014CN203476242U Automatic device for well drilling
03/12/2014CN102839928B Dual-traveling slip device
03/12/2014CN102654040B Automation device for storage of oil drilling string
03/12/2014CN102518403B General drill rod clamping device used for coal mine drilling machine
03/12/2014CN102383741B Sleeve clamping device for full-sleeve and full-slewing drilling machine
03/12/2014CN102261227B Continuous oil pipe traction device
03/12/2014CN102099542B Tricam axial extension to provide gripping tool with improved operational range and capacity
03/12/2014CN102016224B Tubular running tool and methods of use
03/12/2014CN101970792B Grapple attachment for use with drill pipes
1 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ... 172