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)
05/2013
05/22/2013CN202946046U Novel anti-off beam hanger
05/22/2013CN103114819A Auxiliary injection device of continuous oil pipe operation machine
05/22/2013CN103114818A Pipe processor driving device for top drive
05/22/2013CN103114817A Iron roughneck slewing and translational stretching mechanism
05/22/2013CN102191923B Long-distance control wellhead operation device for workover operation
05/22/2013CN102061894B Self-locking elevator
05/22/2013CN101603415B Multiple well pumping unit
05/21/2013US8443916 Hose tensioner for a rock drill system
05/21/2013US8443904 Continuous communications conduit apparatus and method
05/21/2013US8443902 Time-controlled release device for wireline conveyed tools
05/21/2013US8443899 Function spool
05/21/2013US8443895 Travel joint having an infinite slot mechanism for space out operations in a wellbore
05/21/2013US8443878 Dual stripper assembly for slick cable
05/21/2013US8443877 Drilling rig with top drive and inside blowout preventer
05/21/2013US8443876 Top drive with inside blowout preventer
05/21/2013US8443700 Tong assemblies
05/21/2013CA2734462C Bit breaker
05/21/2013CA2716533C Gripping element for gripping a tubular in the construction and maintenance of oil and gas wells
05/21/2013CA2673436C Tubular handling device
05/21/2013CA2663495C Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus
05/16/2013WO2013069033A1 Apparatus for moving pipes for extraction platforms
05/16/2013WO2013015844A3 Annulus mounted potential energy driven setting tool
05/16/2013WO2013012509A3 Remote manipulation and control for subterranean tools
05/16/2013WO2012066268A3 A heave compensating system
05/16/2013US20130121801 System for repositioning a coiled tubing tensioner
05/16/2013US20130118760 Weight-based interlock apparatus and methods
05/16/2013US20130118316 Breakout tool
05/16/2013DE102011118478A1 Alignment template for installation of bottom holes of bottom-heat pumps, for anchoring device and for installation of geophones, has frame which is received on substrate, where multiple tubular guide elements are provided at frame
05/16/2013CA2854841A1 Orienting and supporting a casing of a coaxial geothermal borehole
05/15/2013EP2592217A2 Adjustable pipe guide for use with an elevator and/or a spider
05/15/2013CN202937201U Drill stem dismounting device for coal mining drilling machine
05/15/2013CN202937200U Power assisting device of power catwalk lifting
05/15/2013CN202937199U Hydraulic turning device
05/15/2013CN202937198U Top driving internal lining-type hydraulic drill pipe elevator
05/15/2013CN202937193U Guiding piece for drilling tool and drilling unit
05/15/2013CN103101841A Remote intelligent control system for workover rig
05/15/2013CN101680279B Apparatus and method for moving connection equipment on a drilling rig
05/14/2013US8439129 Anti-stall tool for downhole drilling assemblies
05/14/2013US8439128 Device for cleaning and doping equipment for threads
05/14/2013US8439121 Hydraulic interlock system between casing gripper and spider
05/14/2013US8439120 Method of sealing annular space between inner and outer upright tubes
05/14/2013US8439109 System and method for depth measurement and correction during subsea intervention operations
05/14/2013CA2664978C Tong
05/10/2013WO2013066981A2 Top drive with mounted winch
05/10/2013WO2013066693A1 Safety latch lock
05/10/2013WO2013066431A1 Lateral buckling mitigation apparatus, methods and systems for use with subsea conduits
05/10/2013WO2013036915A3 Conductor bend restrictor
05/10/2013WO2013033568A3 Coiled tubing injector head with chain guides
05/10/2013WO2013033251A4 Modular apparatus for assembling tubular goods
05/10/2013WO2013028803A3 Downhole tool and method of use
05/10/2013WO2013028593A3 Riser-mounted guide assembly for umbilical deployment
05/10/2013WO2013028558A3 All electric powered mobile jumbo drill machine
05/10/2013CA2854486A1 Lateral buckling mitigation apparatus, methods and systems for use with subsea conduits
05/10/2013CA2852279A1 Safety latch lock
05/09/2013US20130112433 Injector head
05/09/2013US20130112431 System and method for direct drive pump
05/09/2013US20130112430 Top drive with mounted winch
05/09/2013US20130112421 Method and a system for controlling movements of a free-hanging tubular
05/09/2013US20130112419 Process and process line for the preparation of hydraulic fracturing fluid
05/09/2013US20130112395 Top Drive Systems And Methods
05/08/2013EP2589744A1 Landing String Compensator
05/08/2013CN202926258U Sleeve moving and radial rotating roller spindle
05/08/2013CN202926257U Drilling rig drill stem releasing device
05/08/2013CN202926256U Device for receiving and delivering single oil tube
05/08/2013CN202926255U Novel transfer trolley for power catwalk machine
05/08/2013CN202926254U Cardan joint for rotary drilling rig
05/08/2013CN202926253U Oil cylinder type stroke multiplying propulsive rack structure
05/08/2013CN202926252U Movable type anti-drop clamp for polish rod
05/08/2013CN202926251U Double horsehead oil pumping unit deviation adjusting beam hanger
05/08/2013CN202926250U Elevator opening and closing device for mechanical remedial work well site rod and pipe lifting
05/08/2013CN202926249U Spring type clamping machine
05/08/2013CN103089175A Moving swing pipe clamping mechanism
05/08/2013CN103089174A Drill pipe shackling mechanism
05/08/2013CN103089173A Pipe-handling Apparatus
05/08/2013CN103089172A Drilling system special for coal mine underground tunnel water control
05/08/2013CN103089171A Double-hydraulic chuck for coal mine underground drill rig
05/08/2013CN103089149A Well drilling method for improving lifting efficiency
05/08/2013CN103089148A Control system special for down-the-hole drill carriage
05/08/2013CN101660393B Assembling and disassembling tool of drill
05/07/2013US8434548 Quick-change drum assembly
05/04/2013CA2794492A1 Top drive with slewing power transmission
05/02/2013WO2013028800A3 Downhole tool and method of use
05/02/2013WO2013028799A3 Downhole tool and method of use
05/02/2013WO2013013993A3 Device for producing a bore in the ground, rotary drive device and rotary seal arrangement
05/02/2013WO2012056132A8 Ship having a deck comprising a cavity with a built-in rotary plate
05/02/2013WO2011153011A3 Compact cable suspended pumping system for lubricator deployment
05/02/2013US20130105226 Rotary Drilling Rig Split Bushing
05/02/2013US20130105178 Apparatus and methods for facilitating the connection of tubulars using a top drive
05/02/2013US20130105168 Telescopic Elevator Bail, Vessel Comprising Such the Elevator Bail and Method of Using the Elevator Bail
05/02/2013US20130105146 Perforating Gun Spacer
05/02/2013US20130104367 Safety latch lock
05/02/2013CA2851253A1 Riser tensioner system for offshore oil platforms and petroleum product ion processes
05/01/2013EP2585670A2 A telescopic elevator bail, vessel comprising such the elevator bail and method of using the elevator bail
05/01/2013CN202913989U Device for righting and guiding rod and pipe and for picking and hanging rings in mechanized workout operation
05/01/2013CN202913988U Coiled tubing tube guider
05/01/2013CN202913987U Coiled tubing operation machine roller tube arranging conversion device and control system thereof
05/01/2013CN202913986U Coiled tubing injection head
05/01/2013CN202913985U Water pipe gravity lowering mechanism of tracked construction drilling rig
05/01/2013CN202913984U Digitalized hydraulic beam hanger
05/01/2013CN202913983U Digitalized multifunctional beam hanger
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