| 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) |
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| 09/25/2013 | EP2640657A2 A heave compensating system |
| 09/25/2013 | EP2514843B1 Connection device for a drilling and impact mechanism of a tap hole drilling machine and tap hole drilling machine with connection device |
| 09/25/2013 | CN203213984U Automatic protecting system for drill rod bracket of horizontal directional drilling machine |
| 09/25/2013 | CN203213983U Practical tricone bit dismantling device |
| 09/25/2013 | CN203213982U Multi-functional jig of drilling machine |
| 09/25/2013 | CN203213981U Laterally-opened hydraulic elevator of drilling machine |
| 09/25/2013 | CN203213980U Mechanized well repair lifting ring switching device |
| 09/25/2013 | CN203213953U Hydraulic engineering driller provided with power heads |
| 09/25/2013 | CN103328759A Dual rotational and axial load pick-up element |
| 09/25/2013 | CN103321597A Lateral side limiting mechanism for clamping block |
| 09/25/2013 | CN103321596A Automatic pipe arranging device driven by single hydraulic cylinder |
| 09/25/2013 | CN103321595A Pincer set deflection device for iron roughneck |
| 09/25/2013 | CN102155150B Crushing mechanism with gas inlet pipe |
| 09/25/2013 | CN101715505B Arrangement for employing drill steel centralizer travelling on feed beam of rock drill machine |
| 09/21/2013 | CA2771777A1 Pipe handling apparatus |
| 09/19/2013 | WO2013137743A1 Device for compensation of wave influenced distance variations on a drill string |
| 09/19/2013 | WO2013135452A1 Drawworks |
| 09/19/2013 | WO2013134868A1 Multi-conduit coiled tubing assembly |
| 09/19/2013 | WO2013134866A1 Coil tubing injector apparatus and method |
| 09/19/2013 | WO2013116826A3 Wellsite communication system and method |
| 09/19/2013 | WO2013036138A3 Guide system and method for operation of same |
| 09/19/2013 | WO2013036137A3 An apparatus and a method for torque compensation |
| 09/19/2013 | US20130240808 Two speed direct drive drawworks |
| 09/19/2013 | US20130240397 Sub basket and method for storing and transporting subs |
| 09/19/2013 | US20130240269 Latching rod box |
| 09/19/2013 | US20130240214 Device for handling hoses of a working well for a drilling rig |
| 09/19/2013 | US20130240198 Coil tubing injector apparatus and method |
| 09/18/2013 | CN203201502U Core drill clamping device |
| 09/18/2013 | CN203201501U Hydraulic power inverse-buckling device |
| 09/18/2013 | CN203201500U Conveying drill bit device of drill type coal mining machine |
| 09/18/2013 | CN203201499U Slip suspender capable of preventing sealing failure caused by play of casing |
| 09/18/2013 | CN103306618A Casing and drilling tool conveying cableway device |
| 09/18/2013 | CN103306617A Drill rod automatic stacking and conveying device |
| 09/18/2013 | CN103306616A Sleeve-pipe clamp and sleeve-pipe downing device |
| 09/18/2013 | CN103306615A Novel safety elevator pin |
| 09/18/2013 | CN102425384B Ball clamp type torsion resisting hoisting swivel elevator |
| 09/18/2013 | CN102418483B Ratchet type combined lifter |
| 09/18/2013 | CN102037266B Pipe gripping assembly |
| 09/17/2013 | US8534387 Drawworks device on a drill floor |
| 09/17/2013 | US8534386 Articulated apparatus for handling a drilling tool |
| 09/17/2013 | CA2748173C Method for manipulating rodlike pieces, centralizer and rock drilling unit |
| 09/17/2013 | CA2718116C Top drive apparatus |
| 09/17/2013 | CA2598507C Drill rod support, and drill rod support half |
| 09/14/2013 | CA2804643A1 Coil tubing injector apparatus and method |
| 09/12/2013 | WO2013134254A1 Floating structure and riser systems for drilling and production |
| 09/12/2013 | WO2013133797A1 Locking safety joint for use in a subterranean well |
| 09/12/2013 | WO2013133784A1 Exercising a well tool |
| 09/12/2013 | WO2013036136A3 An apparatus for determining at least the torque of a torque device member and a method for operating same |
| 09/12/2013 | WO2013036135A3 Control equipment for a torque device for oil field use and method for operation of same |
| 09/12/2013 | WO2013036134A3 An apparatus for positioning of a clamp body and a method for operating a clamp body |
| 09/12/2013 | WO2013024139A3 A mousehole apparatus |
| 09/12/2013 | US20130233571 Coiled tubing injector head with chain guides |
| 09/12/2013 | US20130232750 Apparatus and method for protecting tubulars during installation |
| 09/12/2013 | DE102012102046A1 Hebewerk Hoist |
| 09/11/2013 | EP2636630A1 Hoist lock block |
| 09/11/2013 | EP2635766A2 A drilling system and a device for assembling and disassembling pipe stands |
| 09/11/2013 | CN203188943U Drilling machine iron stand device |
| 09/11/2013 | CN203188942U Novel multifunctional racking platform |
| 09/11/2013 | CN203188941U Flashboard type bidirectional self-tightening sealing slip |
| 09/11/2013 | CN203188940U Pneumatic chuck |
| 09/11/2013 | CN103299023A Device and method for handling drill string components, as well as rock drilling rig |
| 09/11/2013 | CN103291229A Quick mounting-demounting shedding-preventive lifting sub |
| 09/11/2013 | CN103291210A Gate-type double-tower gear-driven drilling machine |
| 09/10/2013 | US8528659 Pneumatic power tool with exhaust silencer |
| 09/10/2013 | US8528651 Apparatus and method for directionally disposing a flexible member in a pressurized conduit |
| 09/10/2013 | US8528631 Seal configuration for top drive swivel apparatus and method |
| 09/06/2013 | WO2013130657A1 Slip device for wellbore tubulars |
| 09/06/2013 | WO2013130053A1 Method and apparatus for initialization of a wellbore survey tool via a remote reference source |
| 09/06/2013 | WO2012148807A3 Mechanically actuated casing drive system tool |
| 09/06/2013 | CA2829309A1 Method and apparatus for initialization of a wellbore survey tool via a remote reference source |
| 09/05/2013 | US20130230358 Offshore System with Subsea Riser |
| 09/05/2013 | US20130228343 Shoulder ring installation tools |
| 09/05/2013 | US20130228339 Apparatus for, and method of, landing items at a well location |
| 09/04/2013 | EP2633215A1 Modular device for the storage and handling of a plurality of flexible pipes |
| 09/04/2013 | EP2633214A1 Ship having a bridge comprising a cavity with a built-in rotary plate |
| 09/04/2013 | EP2633151A1 Riser for coil tubing/wire line injection |
| 09/04/2013 | CN203178748U Explosion-proof control box |
| 09/04/2013 | CN203176023U Oil pipe hoister hydraulic device |
| 09/04/2013 | CN203175436U Novel top driving power head drill rod disassembling device |
| 09/04/2013 | CN203175435U Large-inclination drill rod conveyor device matched with coal mine drill rig for use |
| 09/04/2013 | CN203175434U Laminated ring type locating block of oil pipe bridge |
| 09/04/2013 | CN203175433U Elevator handle with annular ledge at top |
| 09/04/2013 | CN203175432U Deviation regulation device for polished rod beam hanger of oil sucking machine |
| 09/04/2013 | CN203175431U Telescopic sliding way of oil tube hydraulic lifting device |
| 09/04/2013 | CN203175407U Upper-air hole punching electric hammer moving support |
| 09/04/2013 | CN203175406U Electric well drill |
| 09/04/2013 | CN203175393U Turntable with buckle dismounting function |
| 09/04/2013 | CN103282598A Device for handling hoses of a working well for a drilling rig |
| 09/04/2013 | CN103282596A Bottom preventer for use in a drilling system |
| 09/04/2013 | CN103277058A Hydraulic energy-saving drill pipe transportation equipment |
| 09/04/2013 | CN103277057A Clamp head grabbing mechanism |
| 09/04/2013 | CN103277056A A running apparatus for running tubulars |
| 09/04/2013 | CN102535445B Molding device and molding method for long spiral extruding rock-entering cast-in-place pile |
| 09/04/2013 | CN102425385B Combined type down-the-hole (DTH) hammer adjunction type drill rod fixed connection mechanism |
| 09/04/2013 | CN102268969B Self-weight type drill rod clamp holder |
| 09/04/2013 | CN102071875B Automatic control system for winch and control method of automatic control system |
| 09/04/2013 | CN101864904B Operation device for stripping sucker rod at pressure |
| 09/04/2013 | CN101506462B Apparatus and method for use in suspending loads in wellboreoperations |
| 09/03/2013 | US8522869 Optical coiled tubing log assembly |
| 09/03/2013 | US8522864 Stripper blow out preventer for small diameter oil field tubing or small diameter polished rods |