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| Number | Title | Issue Date |
| 7798466 | Ram locking blowout preventer A blowout preventer including, in certain aspects, a main body, a bonnet movably connected to the main body, the bonnet having a bonnet channel with interior threading, a ram shaft with a first portion extending through the main body and a second portion extending t... | 09/21/2010 |
| 7784834 | Clamp apparatus for threadedly connected tubulars A clamp for clamping to two threadedly-connected items, and, in one aspect, two threadedly-connected components of a top drive system. ... | 08/31/2010 |
| 7784535 | Top drive systems with reverse bend bails A bail support and a top drive system for an oilfield drill rig. The top drive system includes a drive apparatus, and the bails have bodies with upper head portions and two spaced-apart legs. Each leg includes an upper leg portion and a lower leg portion. The upper ... | 08/31/2010 |
| 7762343 | Apparatus and method for handling pipe An apparatus for handling pipes, the apparatus, in certain aspects, having a body having a tapered surface and at least a first slip and a second slip slidable on the tapered surface, a slip actuator for setting said at least first slip and said second slip, said fi... | 07/27/2010 |
| 7741605 | Method and apparatus for detecting gas conveyed by drilling fluids A method of detecting gas conveyed in a drilling fluid (M) returning from a well (26), which method comprises the steps of: (a) extracting gas from said drilling fluid (M); (b) transmitting infra-red radiati... | 06/22/2010 |
| 7735565 | Dual-saddle ear support apparatus An apparatus for use in wellbore operations and a method for using it is provided. The apparatus includes a main body, two support ears spaced-apart and projecting from the main body, each having an inner ear part and an outer ear part. The inner ear part is able to... | 06/15/2010 |
| 7731246 | Pipe coupling system A tubular coupling system and method; the system and method in at least certain aspects, using a coupling member with an interior protective ring that has at least one inner energizing member which, upon compression, forces the body of the coupling member against an... | 06/08/2010 |
| 7673380 | Methods for making rotors for permanent magnet motors A method for making a rotor for a permanent magnet motor, the method, in at least certain aspects, including connecting a series of a plurality of guides to a hollow rotor body, the guides spaced-apart and extending longitudinally of the rotor body, the rotor body b... | 03/09/2010 |
| 7581647 | Shale shaker A shale shaker (10) or vibratory separator which, in one aspect, has a base (22), vibration isolation apparatus on the base (22), a basket (12), mount apparatus (16) for mounting the basket on the base (22), and at least one... | 09/01/2009 |
| 7571817 | Automatic separator or shaker with electromagnetic vibrator apparatus A vibratory separator (in one aspect, a shale shaker) and methods for using it, the separator in certain aspects having a base, a basket movably mounted on the base, screen apparatus on the basket, material flowing onto the screen apparatus for treatment, at least a... | 08/11/2009 |
| 7540838 | Centrifuge control in response to viscosity and density parameters of drilling fluid A system for controlling viscosity of drilling fluid, the system, in certain aspects, including a container of the material, a viscosity sensor in the container for producing viscosity signals, a centrifuge for removing solids from the material, drive apparatuses fo... | 06/02/2009 |
| 7540837 | Systems for centrifuge control in response to viscosity and density parameters of drilling fluids A system for controlling a centrifuge processing drilling fluid, the system, in certain aspects, including a container of the material, a sensor in the container for producing signals indicative of a fluid density parameter, a centrifuge for removing solids from the... | 06/02/2009 |
| 7520391 | Screen assembly for vibratory separator A mount for a screen assembly, a screen assembly with such a mount, and a vibratory separator (e.g., a shale shaker) with such a screen assembly; the mount in certain aspects including a body with an inwardly projecting handle apparatus accessible when the screen as... | 04/21/2009 |
| 7520129 | Subsea pressure accumulator systems An accumulator system which, in certain aspects, has a body with three (or more) interior chambers, e.g. in one aspect first, second, and third chambers, the body having a first body end with a first opening, and a second body end with a second opening, an amount of... | 04/21/2009 |
| 7505871 | Diagnosis and troubleshooting for above-ground well systems Systems and methods for diagnosing faults in well servicing operations and determining appropriate remedial action to remedy such faults. ... | 03/17/2009 |
| 7493969 | Drill cuttings conveyance systems and methods Vessels, system and methods for conveying drilling cuttings material, which, in certain aspects, include a system for conveying material from a vessel, the system having a vessel for receiving material to be conveyed, a first conduit for conveying air, a second cond... | 02/24/2009 |
| 7487848 | Multi-seal for top drive shaft A multi-seal sealing assembly with multiple seals so that when one seal wears out another can be moved into sealing position; and a top drive system for wellbore operations with such a sealing assembly; the sealing assembly in one aspect having a seal carrier movabl... | 02/10/2009 |
| 7484625 | Shale shakers and screens with identification apparatuses A screen apparatus, which in certain aspects is a screen apparatus having a support, screening material on the support, and energizable identification apparatus on (exteriorly, interiorly, and/or within) the support for identifying the screen apparatus; a vibratory ... | 02/03/2009 |
| 7484574 | Drill cuttings conveyance systems and methods Methods for processing drill cuttings including measuring moisture content of the drill cuttings; systems for doing this; methods for moving drill cuttings using conduits with spaced-apart inlets for applying positive pressure; and feeding apparatuses for loading dr... | 02/03/2009 |
| 7472762 | Top drive oil flow path seals A top drive system including, in certain aspects, a motor, a gear system below, and driven by the motor, a space between the top drive motor and the gear system, a seal assembly for inhibiting oil for lubricating parts of the gear system from flowing into the space,... | 01/06/2009 |
| 7461705 | Directional drilling control A method for oscillating a drillstring, the drillstring extending into the earth, the drillstring having a bit on a lower end thereof, the bit for drilling into the earth, the drillstring connected to a motive apparatus, the motive apparatus for rotating the drillst... | 12/09/2008 |
| 7424917 | Subsea pressure compensation system Systems and method for operating subsea devices and pressure compensated reservoir systems useful therewith which in certain aspects, include a chamber with a piston therein acted on an exposed side by water, e.g. sea water, to provide operational hydraulic fluid fo... | 09/16/2008 |
| 7422076 | Autoreaming systems and methods Methods and systems for controlling movement of a bit of a drilling assembly during reaming of an already-drilled hole; the methods, in certain aspects, including determining a ream speed for downward movement of the bit in the hole, moving the bit downward in a hol... | 09/09/2008 |
| 7419012 | Wellbore top drive systems A drive system for wellbore operations, the drive system, in certain, but not necessarily all aspects, including a main body, a motor apparatus, a main shaft extending from the main body and rotatable by the motor, the main shaft having a top end and a bottom end, a... | 09/02/2008 |
| 7404454 | Bit face orientation control in drilling operations A system for selectively orienting a bit at the end of a drillstring in a wellbore, the system, in certain aspects, having: motive apparatus for rotating a drillstring and a bit connected to an end of the drillstring; a control member manually movable to effect a ch... | 07/29/2008 |
| D572119 | Support bail | 07/01/2008 |
| 7367396 | Blowout preventers and methods of use Methods and apparatuses for severing a wellbore tubular, the apparatus, in certain aspects, including: a first member movable toward a tubular to be severed; a second member with a second blade disposed opposite to the first member and movable toward the tubular; a ... | 05/06/2008 |
| 7360603 | Methods and apparatuses for wellbore operations A dual sided elevator for supporting a tubular member in a wellbore operation, the elevator in one aspect having an openable back end and an openable front end, either end openable by using opening apparatus at the front of the elevator; such an elevator with operat... | 04/22/2008 |
| 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 |
| 7337519 | Method for producing a coiled tubing connector assembly A coiled tubing connector for connecting tools together when they are inserted into a well bore. The connector includes a disposable element that may be severed along with the connected portion of the coiled tubing. This provides for quick disconnect and reuse of th... | 03/04/2008 |
| 7331562 | Blowout preventer with breech assembly A blowout preventer which, in certain aspects, has a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one breech assembly secured to the main body, ram apparatus movable within the breech assembly ... | 02/19/2008 |
| 7331469 | Vibratory separator with automatically adjustable beach A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac... | 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 |
| 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 |
| 7306057 | Thermal drill cuttings treatment with weir system A method for treating material, the material contaminated with contaminants, the method including: introducing material with contaminants to a system for remediation including a thermal treatment system, a quench system, a weir tank system and a condensing system; f... | 12/11/2007 |
| 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 |
| D552628 | Guard for well operations apparatus | 10/09/2007 |
| 7278540 | Adjustable basket vibratory separator A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the... | 10/09/2007 |
| D551682 | Guard for well operations apparatus | 09/25/2007 |
| 7243735 | Wellbore operations monitoring and control systems and methods A method for a wellbore operation with a wellbore system, the method, in at least certain aspects, including acquiring with sensor systems data corresponding to a plurality of parameters, the data indicative of values for each parameter, each parameter associated wi... | 07/17/2007 |
