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| Number | Title | Issue Date |
| 8186455 | Simultaneous tubular handling system and method A system and method for building and handling oilfield tubular stands while drilling operations are simultaneously and independently occurring with one drilling deck, one derrick, and one rotary system. An offline guided path horizontal to vertical arm lifts and mov... | 05/29/2012 |
| 8151903 | Rotary blasthole drilling rig flexible jaw pipe positioner A pipe positioner having an arm including a lower jaw and an upper jaw mounted thereon is provided. The pipe positioner includes at least one of the lower jaw and the upper jaw with at least one shear pin disposed in location to provide protection of the pipe positi... | 04/10/2012 |
| 8083009 | Well drilling machine with new drill pipe loader The invention is a new well drilling machine, in particular for drilling with single pipes, with supporting mast (M) provided with at least one drill head′ (R) for the rotation-translation movement of the drill pipe (A), a loader (C) for said pipes (A), hinged to ... | 12/27/2011 |
| 8037949 | Pipe running tool A pipe running tool for use in an oil drilling system and the like comprises a lower drive shaft adapted to engage a drive shaft of a top drive assembly for rotation therewith. The pipe running tool further includes a lower pipe engagement assembly which is driven t... | 10/18/2011 |
| 7886846 | Apparatus and system and method for down the hole carousel drilling A method and apparatus for carousel drilling, which includes a drill tower having a rotatable drive motor at the top, and a carousel pivotably attached with respect to the drill tower and capable of supporting four elongated drilling devices, at least certain of whi... | 02/15/2011 |
| 7819207 | Mobile land drilling rig and method of installation A mobile oil, gas and geothermal well drilling rig provides for the rapid placement, assembly, disassembly, and repositioning of various rig components of the drilling rig. The drilling rig includes a support base and working floor which is trailerable and which can... | 10/26/2010 |
| 7802636 | Simultaneous tubular handling system and method A system and method for building and handling oilfield tubular stands while drilling operations are simultaneously and independently occurring with one drilling deck, one derrick, and one rotary system. An offline guided path horizontal to vertical arm lifts and mov... | 09/28/2010 |
| 7753138 | Pipe running tool having internal gripper A system for coupling a pipe segment to a pipe string is provided that includes a top drive assembly having an output shaft; and a pipe running tool coupled to the top drive assembly and rotatable by the output shaft of the top drive assembly. The pipe running tool ... | 07/13/2010 |
| 7748473 | Top drives with shaft multi-seal A top drive system for wellbore operations, the top drive system including motor apparatus, a main shaft driven by the motor apparatus, the main shaft having a top end and a bottom end, a quill connected to the main shaft, a gear system interconnected with the quill... | 07/06/2010 |
| 7735580 | Device for charging a drilling device and drilling apparatus The invention relates to a device for charging a drilling device of an earth or rock drilling apparatus with a double rod. The device has a rotatable revolver magazine, which is designed with double receiving spaces for receiving two tube parts that are inserted int... | 06/15/2010 |
| 7699121 | Pipe running tool having a primary load path A system for coupling a pipe segment to a pipe string is provided that includes a top drive assembly having a threaded output shaft; and a pipe running tool threadingly coupled to the threaded output shaft of the top drive assembly such that the primary load of the ... | 04/20/2010 |
| 7699122 | Device for handling of pipes at a drill floor A device for handling and storage of drill string sections, and assembly or disassembly of a drill string on an installation especially intended for exploratory and/or production drilling for hydrocarbons, where: at least one set of individual, separate cooperating ... | 04/20/2010 |
| 7694751 | Apparatus and method of loading a rod box for a horizontal directional drill A biased door member is provided in an external wall of a drill rod supply magazine mounted on a horizontal directional drilling (HDD) machine. The door member swings inwardly from a first position parallel to the external wall to a second position within the distal... | 04/13/2010 |
| 7631704 | Drill frame with tool magazine A drill frame or drill platform 1 is allocated to a ship caisson 6 in order to allow bore holes 12, 13 to be driven, for example, into the bottom of a lake 11. Since said bore holes 12, 13 must subsequently be filled with explosive... | 12/15/2009 |
| 7600584 | Pipe handling system with a movable magazine A pipe handling assembly for transporting pipe sections to and from the drill string of a horizontal boring machine. The system comprises a magazine, a cradle for supporting the magazine, a support member, a drive system, and a transfer assembly. The drive system ma... | 10/13/2009 |
| 7510028 | Drill pipe racking apparatus Lower pipe stand racking combs are arranged to fold down from a side of the derrick at selected locations above the rig floor. In each racking comb an array of parallel fingers extend in a spaced array from a pivotable spine. The spine rotates to raise the fingers t... | 03/31/2009 |
| 7467670 | Method and apparatus for indexing between selected columns in a drill rod magazine Mechanical stops are utilized on a rod transfer mechanism, with the stops being offset vertically from one another, to index the rod transfer mechanism of an HDD machine under the appropriate column of a drill rod storage magazine. The stops engage a moveable block ... | 12/23/2008 |
| 7438141 | Automated, low profile drilling/bolting module with carousel A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for... | 10/21/2008 |
| 7428937 | Automated, low profile drilling/bolting module with gripper A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for... | 09/30/2008 |
| 7428935 | Automated, low profile drilling/bolting module with manual bolt magazine A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for... | 09/30/2008 |
| 7428936 | Automated, low profile drilling/bolting module A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for... | 09/30/2008 |
| 7407344 | Automated, low profile drilling/bolting module with roof reference guide A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for... | 08/05/2008 |
| 7401664 | Top drive systems A top drive system for wellbore operations, the top drive system including motor apparatus, a main shaft driven by the motor apparatus, the main shaft having a top end and a bottom end, a quill connected to the main shaft, and a gear system interconnected with the q... | 07/22/2008 |
| 7381012 | Automated, low profile drilling/bolting module with collaring A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for... | 06/03/2008 |
| 7357616 | Method and apparatus for transporting oil rig An oil rig capable of being at least partially disassembled to form at least two portions, such as a top half and bottom half, and an associated structure for transport. An oil rig top portion may be loaded onto a trailer for transport separate from a bottom portion... | 04/15/2008 |
| 7350587 | Pipe guide A guide is disclosed for facilitating the movement of tubulars in well operations. In one aspect, the guide is a pipe guide with a base, an upper extension apparatus, a lower extension apparatus with a first end pivotably secured to the upper extension apparatus and... | 04/01/2008 |
| 7347283 | Using a rotating inner member to drive a tool in a hollow outer member A rotating inner member is used to drive a downhole tool housed within the hollow outer member of a dual-member drill string. The downhole tool preferably will be adapted to receive rotational energy from the inner member. In a preferred embodiment, the downhole too... | 03/25/2008 |
| 7347286 | Drill string valve assembly A drill string valve assembly includes a tubular valve body, including an outer surface and an inner bore for housing a valve mechanism to control fluid flow through the bore; and an axial load support releasably securable to the outer surface of the valve body, the... | 03/25/2008 |
| 7347285 | Drilling machine having a movable rod handling device and a method for moving the rod handling device A drilling machine including a frame, a tower, a rotary head, and a rod handling device. The frame is supported for movement over the ground and the tower is mounted on the frame. The rotary head is movable along the tower and is engageable with the drill string for... | 03/25/2008 |
| 7337853 | Top feed of control lines to a reciprocating spider Method and apparatus for installing control lines and pipe into a well. The pipe-holding spider that is normally mounted on the rig floor is supportably retained in a vertically movable retainer. The retainer is adapted for controllably elevating the spider above th... | 03/04/2008 |
| 7331746 | Apparatus for handling and racking pipes An apparatus for handling pipes in a derrick and racking the pipes on a pipe racking assembly mounted on the derrick is provided to improve the stability of transferring pipes during a round trip operation. The apparatus includes a rotatable gate assembly mounted on... | 02/19/2008 |
| 7320374 | Wellbore top drive systems A system for wellbore operations, the system, in at least certain aspects, including a derrick, a guide beam connected to the derrick, a top drive movable on the guide beam, torque reaction structure connected to the guide beam and to the derrick, skid apparatus hel... | 01/22/2008 |
| 7319590 | Conductive heat transfer system and method for integrated circuits According to an embodiment of the present invention, a system includes an integrated circuit coupled to a circuit board and a heat conducting element having a thermal conductivity of at least 391 W/m*K. The heat conducting element includes a flexible portion dispose... | 01/15/2008 |
| 7316280 | Method for producing earth boreholes In a method for producing and widening ground bores or for the destructive replacement of buried lines with the aid of a tool arranged at the end of a rod driven by a boring device, the rod is built up from individual sections which are to be connected to one anothe... | 01/08/2008 |
| 7313986 | Tubular-drill bit connect/disconnect apparatus An apparatus for rotating a tubular with respect to a drill bit, e.g., for making or breaking a connection between a tubular and a drill bit, the apparatus, in at least certain aspects including a frame, gripper apparatus connected to the frame for gripping and rota... | 01/01/2008 |
| 7308933 | Power assisted lift for lubricator assembly An improved lubricator assembly for receiving a well plunger or other downhole tool wherein a hinge is connected between a lower portion and an upper riser of the lubricator assembly and a power lifting device is included for moving the upper riser off of and onto t... | 12/18/2007 |
| 7308953 | Mobile drilling rig An embodied mobile drilling rig is made of three sections, two substructures and a mast section, which are easily transported and installed at a drilling site. Each substructure includes a mast starting section; a floor side box connected to the mast starting sectio... | 12/18/2007 |
| 7303021 | Wellbore rig elevator systems An elevator having, in at least certain aspects, an elevator body with two opposed ends and an elevator opening in the body, a door pivotably mounted to the body for selectively closing off the elevator opening, a lock bar on the elevator body, door latch apparatus ... | 12/04/2007 |
| 7293607 | Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig A method and apparatus for positioning and supporting the work platform of a mobile workover rig is disclosed. The work platform of the preferred embodiment of the present invention utilizes a unique support structure and automated positioning system for positioning... | 11/13/2007 |
| 7290621 | Integrated mast and top drive for drilling rig A process to lower or raise a drilling rig for transportation wherein the drilling rig includes a mast and a top drive. The process to lower includes the steps of moving the top drive within the mast with a vertical guide and torque reaction mechanism to a locked po... | 11/06/2007 |
