| 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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| 01/05/2011 | CN201695971U Oscillating removal mechanism for driving device of vertical tube drawbench |
| 01/05/2011 | CN201695970U Tube clamping device with three clamping jaws for vertical tube draw bench |
| 01/05/2011 | CN201695969U Propelling and lifting multiplier mechanism of drilling rig |
| 01/05/2011 | CN201695968U 管路抱卡 Hold the line card |
| 01/05/2011 | CN201695967U Square clip of polish rod series of pumping well |
| 01/05/2011 | CN201695966U One-way locking mechanism and expansion pipe assembly for oil well subsidy construction |
| 01/05/2011 | CN201695965U Rotating device of polished rod |
| 01/05/2011 | CN201695964U Well field tubular pole material rail glider |
| 01/05/2011 | CN101936173A Roof bolting cable bolt feeding device |
| 01/05/2011 | CN101936141A Conveying equipment of petroleum drill pipe |
| 01/05/2011 | CN101936140A Drilling machine advancing mechanism for profile connection of eccentric wheel push rod roller oscillating tooth inner gear profile |
| 01/05/2011 | CN101936136A Drilling device of hydraulic drill rig |
| 01/04/2011 | US7861771 Rod pump stuffing box |
| 01/04/2011 | US7861619 Power tong |
| 01/04/2011 | US7861618 Wrenching tong |
| 01/04/2011 | CA2618196C Device for storing tubulars and devices for handling of tubulars |
| 01/04/2011 | CA2501255C Engine speed limiter for a hoist |
| 01/04/2011 | CA2467377C Collapsible expansion cone |
| 12/30/2010 | US20100329823 Method and apparatus for delivery of a tubular to a drilling apparatus |
| 12/30/2010 | US20100326674 Torque-Provider |
| 12/30/2010 | US20100326672 Simultaneous tubular handling system |
| 12/30/2010 | US20100326671 Interference-fit stop collar and method of positioning a device on a tubular |
| 12/30/2010 | US20100326647 Well Tubular Running Tool |
| 12/29/2010 | WO2010126357A8 A tubulars storage and handling system |
| 12/29/2010 | EP1611311B1 System and method for treating drilling mud in oil and gas well drilling applications |
| 12/29/2010 | CN201687820U Anti-disengagement pin |
| 12/29/2010 | CN201687418U Coiled tubing injection head device |
| 12/29/2010 | CN201687417U Hair braid picking and hanging device |
| 12/29/2010 | CN201687416U Hydraulic pressure balance workover rig |
| 12/29/2010 | CN101932790A A tubulars storage device |
| 12/29/2010 | CN101929314A Drilling machine advancing mechanism for connecting internal gear tooth profiles of swing movable teeth |
| 12/28/2010 | US7857064 Insert sleeve forming device for a recess shoe |
| 12/28/2010 | US7857044 Tool manipulator especially for onshore and offshore drilling platforms |
| 12/28/2010 | US7857043 Polished rod rotator |
| 12/28/2010 | US7857042 Coiled tubing injector head |
| 12/23/2010 | WO2010147854A1 Method for efficient deployment of intelligent completions |
| 12/23/2010 | WO2010146565A2 Drum load monitoring |
| 12/23/2010 | WO2010145015A1 Multifunction sub for use with casing running string |
| 12/23/2010 | US20100319999 Device for an Electromechanical Hoisting Machine, Especially for Use When Drilling Oil and Gas Wells |
| 12/23/2010 | US20100319936 Method for efficient deployment of intelligent completions |
| 12/23/2010 | US20100319932 Large diameter tubular lifting apparatuses and methods |
| 12/23/2010 | US20100319931 System and method for connecting communication lines in a well environment |
| 12/23/2010 | US20100319929 Dual Anchoring Tubular Back-Off Tool |
| 12/23/2010 | US20100319928 Through tubing intelligent completion and method |
| 12/23/2010 | US20100319910 Drum Load Monitoring |
| 12/23/2010 | US20100319905 System and method for controlling liquid removal operations in a gas-producing well |
| 12/22/2010 | EP2264276A2 Wrenching tong |
| 12/22/2010 | CN201679465U Multi-functional power tongs |
| 12/22/2010 | CN201679464U Hydraulic power internal cutter for cutting expansion pipes |
| 12/22/2010 | CN201679463U Clamping device |
| 12/22/2010 | CN201679462U Big hook of single runner wagon |
| 12/22/2010 | CN201679461U Traveling block hook |
| 12/22/2010 | CN201679452U Injection head support frame of continuous oil pipe drilling machine |
| 12/22/2010 | CN1637229B Boring device and method for introducing a boring element into the ground |
| 12/22/2010 | CN101925718A Pipe-handling apparatus and methods |
| 12/21/2010 | US7854266 Smooth bore latch for tie back receptacle extension |
| 12/21/2010 | US7854265 Pipe gripping assembly with power screw actuator and method of gripping pipe on a rig |
| 12/21/2010 | CA2551901C Horizontal pipe handling system |
| 12/21/2010 | CA2459537C System for lining a wellbore casing |
| 12/16/2010 | WO2010144184A2 Slip free drill pipe |
| 12/16/2010 | US20100314132 Method and apparatus for performing continuous tubing operations |
| 12/16/2010 | US20100314129 Running Tool |
| 12/16/2010 | US20100314100 Multi-Function Sub for Use With Casing Running String |
| 12/16/2010 | US20100314099 Adjustable Wireline Sheave for Stuffing Box |
| 12/15/2010 | CN201671576U Lower pincers of hydraulic tube twisting machine |
| 12/15/2010 | CN201671575U Special drag and spread tool of oil pipe |
| 12/15/2010 | CN201671574U Column-clamping type hydraulic chunk |
| 12/15/2010 | CN201671573U Wheel type slip continuous loading operation device with pressure |
| 12/15/2010 | CN201671572U Novel elevator |
| 12/15/2010 | CN201671571U Hollow rod blowout-preventing hanger |
| 12/15/2010 | CN201671570U Safe mechanical handrail device |
| 12/15/2010 | CN201671533U Light tunnel drilling machine |
| 12/15/2010 | CN101915067A Feeding mechanism of hydraulic drilling machine |
| 12/15/2010 | CN101915066A Ball jammed type clamping mechanism |
| 12/14/2010 | US7850397 Marine J-lay pipelaying system |
| 12/14/2010 | US7850016 Apparatus for storing lengths of pipe |
| 12/14/2010 | US7849929 Drill rod spinner device |
| 12/14/2010 | CA2535083C Pipe indexer/kicker |
| 12/14/2010 | CA2500954C Gripping system for a tong |
| 12/09/2010 | WO2010141585A2 Drill rod handler |
| 12/09/2010 | WO2010141231A2 Pipe stand transfer systems and methods |
| 12/09/2010 | WO2010139009A1 A power sub |
| 12/09/2010 | WO2009132831A3 Grip head for an earth boring unit |
| 12/09/2010 | US20100307827 Method and devices for handling rod-like pieces in drilling and bolting |
| 12/09/2010 | US20100307826 Rod changer for a rock drill |
| 12/09/2010 | US20100307772 Solid rubber packer for a rotating control device |
| 12/09/2010 | US20100307760 Subsea wireline intervention system |
| 12/09/2010 | CA2763193A1 Pipe stand transfer systems and methods |
| 12/09/2010 | CA2760823A1 Drill rod handler |
| 12/08/2010 | EP2258919A2 Rod changer for a rock drill |
| 12/08/2010 | EP2257687A1 Drilling unit, method for slot drilling and slotting device |
| 12/08/2010 | CN201666133U Hangingtongs balancing unit |
| 12/08/2010 | CN201666132U Automatic sliding way device of hydraulic power pincers |
| 12/08/2010 | CN201666131U Hydraulic jigger clutch device |
| 12/08/2010 | CN201666130U Hydraulic elevator |
| 12/08/2010 | CN201666129U Lifting casing platform |
| 12/08/2010 | CN101906988A Remote-control underground gas extraction drilling machine |
| 12/08/2010 | CN101906944A Burglarproof steel wire rope clamp and special opening-closing tool thereof |
| 12/08/2010 | CN101906943A Burglarproof hook and special opening-closing tool thereof |
| 12/08/2010 | CN101440697B 9000m sea petroleum platform well drilling module winch capstan |