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)
01/2008
01/02/2008EP1461509B1 A method and a device for preventing pipeskidding
01/01/2008US7314090 Automatic false rotary
12/2007
12/30/2007CA2592683A1 Power tong having cam followers with sliding contact surfaces
12/27/2007WO2007148977A1 A drawworks device on a drill floor
12/27/2007WO2007109378A3 Well servicing combination unit
12/27/2007US20070295536 Apparatus and method for reducing required torque
12/27/2007US20070295524 Adjusting device for positioning a load
12/27/2007US20070295509 Integrated pump assembly for well completion
12/27/2007US20070295497 Articulated mast for a coiled tubing rig
12/27/2007DE19947497B4 Bohrmaschine mit automatischem Gewindeausgleich Drilling machine with automatic thread compensation
12/27/2007CA2654932A1 A drawworks device on a drill floor
12/26/2007EP1870558A2 Top drive swivel apparatus and method
12/26/2007EP1869282A1 Hydraulic heave compensation system
12/26/2007EP1869281A1 Drilling- or service rig
12/26/2007CN200996273Y Cleaning groove with oil-pipe and sucker-rod stacked
12/26/2007CN101094967A Top drive unit, pipe gripping device and method of drilling a wellbore
12/26/2007CN101094966A Elevator for use in handling pipe and method for handling pipe
12/26/2007CN101094965A Apparatus and method for guiding pipe
12/26/2007CA2550957A1 Power tong cage plate lock system
12/21/2007WO2007145503A1 Heave motion compensation
12/21/2007WO2007144953A1 Device and method for digging cave and pit
12/21/2007WO2007143842A1 Systems and methods for autonomous tripping of oil well pipes
12/21/2007WO2007055953A3 Angle drive attachment
12/21/2007CA2655002A1 Systems and methods for autonomous tripping of oil well pipes
12/21/2007CA2654908A1 Linear rod pump apparatus and method
12/19/2007EP1867830A1 Sleeve
12/19/2007CN200992967Y Bit breaker
12/19/2007CN200992966Y Sucker rod make-up device
12/19/2007CN200992965Y Combined ramp for hydraulic power tongs
12/19/2007CN200992964Y Output torque adjusting device for hydraulic power tongs
12/19/2007CN200992963Y Automatic positioning safety door for hydraulic tubing tongs
12/19/2007CN200992962Y High ratio energizing rig chuck
12/19/2007CN200992961Y Dropping-proof elevator
12/19/2007CN100356032C Pipe-gripping structure having load rings
12/18/2007US7308933 Power assisted lift for lubricator assembly
12/18/2007US7308755 Apparatus for forming a mono-diameter wellbore casing
12/18/2007CA2442805C Sintered wellscreen
12/13/2007WO2007142535A1 Power tong
12/13/2007WO2007024951A3 Pipeline pig storage rack apparatus
12/13/2007US20070286708 Method and apparatus for handling pipe
12/13/2007US20070286707 Drilling rig
12/13/2007US20070284117 Downhole pressure balanced electrical connections
12/13/2007US20070284116 System and Method for Releasing and Retrieving Memory Tool with Wireline in Well Pipe
12/13/2007US20070284115 Rod pump stuffing box
12/13/2007US20070284113 System And Method For Rigging Up Well Workover Equipment
12/13/2007CA2652136A1 Power tong
12/12/2007EP1540131B8 "top drive swivel apparatus and method"
12/12/2007CN200989174Y Antiblowout disengaging connector
12/11/2007US7306404 Device and a method for well intervention
12/11/2007US7306052 Multi-position utility hook assembly for tool
12/11/2007US7306032 Fluid collecting device
12/06/2007WO2007140296A2 Device for slip engagement of large tolerance pipe and method of use
12/06/2007WO2007140234A2 Seal configuration for top drive swivel apparatus and method
12/06/2007WO2007139394A1 A system for active heave compensation and use thereof
12/06/2007WO2007105101A3 Mobile drilling rig with dual carriers
12/06/2007WO2007001793A3 Pipe running tool having a primary load path
12/06/2007WO2006096596A3 Apparatus for controlling a pressure control assembly in a hazardous area
12/06/2007US20070278788 Protective compression and tension sleeves for threaded connections for radially expandable tubular members
12/06/2007US20070278013 Construction device, in particular drilling device
12/06/2007US20070277968 Multi-lock adapters for independent screwed wellheads and methods of using same
12/06/2007CA2651606A1 A system for active heave compensation and use thereof
12/06/2007CA2549664A1 Articulated mast for a coiled tubing rig
12/05/2007EP1606493B1 Automated control system for back-reaming
12/05/2007CN200985753Y Oil passageway pulling, sending and discharging device
12/05/2007CN200985752Y Drill headframe two-deck platform mechanical arm grabbing drill stem mechanism
12/05/2007CN200985742Y Wire cable pressurization hoisting type rotary digging drill
12/05/2007CN100353019C Mounts for blowout preventer bonnets
12/04/2007US7303022 Wired casing
12/04/2007US7303021 Wellbore rig elevator systems
12/04/2007CA2354692C Method and rock drilling apparatus for controlling rock drilling
11/2007
11/29/2007WO2007067356A3 Univeral rig with vertical stand for tubulars
11/29/2007US20070272419 Threaded Connection for Expandable Tubulars
11/29/2007US20070272417 Device for Slip Engagement of Large Tolerance Pipe and Method of Use
11/29/2007US20070272403 Seal configuration for top drive swivel apparatus and method
11/28/2007EP1859123A1 Rock drilling device and drill rig incorporating a pressure cylinder for feeding the drilling machine
11/28/2007EP1859122A1 Rock drilling device and drill rig incorporating a device for measuring the location of the drilling machine
11/28/2007EP1210498B1 Smart shuttles to complete oil and gas wells
11/28/2007CN200982167Y Single-end operation double fastener polish rod clamper
11/28/2007CN200982166Y 液压举升油管装置 Hydraulic lifting device tubing
11/27/2007US7299935 Support for pipe clamps
11/27/2007US7299865 Lift-out device for pitless well adapters
11/22/2007US20070267198 Casing mandrel for facilitating well completion, re-completion or workover
11/21/2007EP1856371A1 Centralization and running tool and method
11/21/2007EP1856370A1 Pipe handling equipment
11/21/2007EP1723306B1 Apparatus and method for facilitating handling pipe
11/21/2007CN200978661Y Casing head slip releasing control tool
11/21/2007CN200978637Y Hydraulic drill rod power tong main-tong support device
11/21/2007CN101076651A Method for casing drilling, drilling unit and adapter device
11/20/2007US7296632 Casing alignment tool
11/20/2007US7296630 Hands-free bail-elevator locking device with combined power/control connector, bail spreader and method for use
11/20/2007US7296623 Methods and apparatus for applying torque and rotation to connections
11/20/2007CA2415057C Displacement and support device for a portable power tool
11/20/2007CA2363857C Concentric casing jack
11/15/2007WO2007129899A1 Seabed rig with coiled tubing
11/15/2007WO2007129337A1 Drilling machine with carousel-type drill stem and shroud tube loader
11/15/2007US20070261893 Power slip
11/15/2007US20070261858 Apparatus and method for facilitating the connection of tubulars using a top drive
11/15/2007US20070261857 Tubular running tool
11/14/2007EP1853790A1 Drill rod support, and drill rod support half
11/14/2007EP1644608B1 Coupling for dual member pipe