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| Number | Title | Issue Date |
| 7608333 | Thermally stable diamond polycrystalline diamond constructions Thermally stable diamond constructions comprise a diamond body having a plurality of bonded diamond crystals, a plurality of interstitial regions disposed among the crystals, and a substrate attached to the body. The body includes a working surface and a side surfac... | 10/27/2009 |
| 7552783 | Graded hardfacing for drill bits A drill bit including a bit body having an upper end adapted to be detachably secured to a drill string and at least one leg at its lower end, each leg having a downwardly and inwardly extending journal bearing, at least one roller cone mounted on each journal beari... | 06/30/2009 |
| 7478020 | Apparatus for slurry and operation design in cuttings re-injection A system for simulating a wellbore used for cuttings re-injection, that includes functionality to obtain as input to the system at least one wellbore design parameter for the wellbore, at least one operating parameter for the cuttings re-injection, and a slurry desi... | 01/13/2009 |
| 7464013 | Dynamically balanced cutting tool system A method of dynamically balancing a hole enlargement system is disclosed. The method includes modeling the hole enlargement system based on input parameters, simulating the hole enlargement system, adjusting one or more of the input parameters, and repeating the mod... | 12/09/2008 |
| 7441607 | Circulation tool A downhole tool for circulating fluid in a well bore. The tool includes an axial inlet and outlet with radial second outlets. A sleeve moves over the second outlets to control circulation of fluid. The sleeve can be selectively locked in an opened or closed configur... | 10/28/2008 |
| 7438142 | Recovery system A process for the recovery of industrial carbon material from a mixture. The mixture may include drilling fluids, drilled solids, and industrial carbon from a mud system. The process may include: separating at least a portion of the drilled solids from the mixture t... | 10/21/2008 |
| 7440876 | Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach A method for determining distribution data for a disposal domain parameter to increase assurance in a cuttings injection process, including performing a fracturing simulation using a site specific datum to obtain a fracturing result, determining a probability of cre... | 10/21/2008 |
| 7426459 | Methods for designing single cone bits and bits made using the methods Methods of designing a single cone roller cone bit, and bits made using those methods are disclosed. In particular, methods of graphically displaying a single cone roller cone bit interacting with a formation is shown. In one method, a value of at least one design p... | 09/16/2008 |
| 7424909 | Drillable bridge plug A drillable bridge plug comprising a mandrel, a sealing element disposed around the mandrel, a plurality of backup rings adjacent the sealing element, a lower slip assembly disposed around the mandrel, an upper slip assembly disposed around the mandrel, an upper con... | 09/16/2008 |
| 7419289 | Vehicular lamp A lamp unit includes a semiconductor light-emitting element portion, a reflector that radiates light from a light source forward of the lamp, and a driving portion that moves relative positions of the semiconductor light-emitting element portion and the reflector. T... | 09/02/2008 |
| 7416029 | Downhole tool A downhole tool which can perform a task in a well bore, such as circulating fluid radially from the tool. The function is selectively performed by virtue of a sleeve moving within a central bore of the tool. Movement of the sleeve is effected by dropping a ball thr... | 08/26/2008 |
| 7413019 | Mounts for blowout preventer bonnets A bonnet locking apparatus is disclosed. The bonnet locking apparatus includes a segmented radial lock disposed around a bonnet and configured to engage a corresponding radial lock disposed in a body of a blowout preventer, at least one spring configured to bias at ... | 08/19/2008 |
| D574023 | Refrigerator | 07/29/2008 |
| 7401668 | Single cone rock bit having inserts adapted to maintain hole gage during drilling A roller cone drill bit is disclosed which includes a bit body adapted to be coupled to a drill string. A bearing journal depends from the bit body. A single roller cone is rotatably attached to the bearing journal. The roller cone has a plurality of inserts dispose... | 07/22/2008 |
| 7395878 | Drilling system and method Drilling system and method for drilling a bore hole into an earth formation, the bore hole having an inside wall. A drill string reaches into the bore hole and leaves a drilling fluid return passage between the drill string and the bore hole inside wall. A drilling ... | 07/08/2008 |
| 7390284 | Vehicle transmission shift quality A vehicle powertrain modelling system includes a powertrain model (20), a vehicle model (30), a seat model (55), a driver model (60) and a correlation element (50) comprising a neural network. As a result vehicle development is enh... | 06/24/2008 |
| 7383881 | Stabiliser, jetting and circulating tool A downhole tool (10) for use in oil and/or gas well bores. The tool has a tubular body (20) and a sleeve (22) including stabilizer blades (30). The tool is ball (76), activated, weight activated or hydraulically activated to select... | 06/10/2008 |
| 7383888 | Expansion pig A tool for radially expanding casing having a tool body that includes a proximal end, a distal end, and an outer surface. The tool includes at least one hydraulic channel disposed axially. The at least one hydraulic channel transmits hydraulic pressure from behind t... | 06/10/2008 |
| 7357187 | BOP conversion apparatus A conversion apparatus comprising a first plate and a second plate. The first plate comprises at least one coupling mechanism, and the second plate comprises at least one coupling mechanism. The first plate is configured to couple with a blow-out preventer (BOP) bod... | 04/15/2008 |
| 7350597 | Drilling system and method A drilling system for drilling a bore hole into an earth formation, the bore hole having an inside wall. A drill string reaches into the bore hole from a surface, leaving a drilling fluid return passage between the drill string and the bore hole inside wall. A botto... | 04/01/2008 |
| 7343989 | Secondary retainer for a downhole hammer bit A bit retainer system is disclosed. The bit retainer system includes a bit having a head and a shank, a driver sub disposed around the shank of the bit and adapted to engage a hammer case, a bit retainer disposed around the shank of the bit and abutting an upper end... | 03/18/2008 |
| 7340801 | Stay The basal end part of a second arm is turnably connected to the leading end part of the first arm. An engagement recess is formed in the leading end face of the first arm. The second arm is provided at its basal end part with a lock member such that the lock member ... | 03/11/2008 |
| 7318013 | Method for slurry and operation design in cuttings re-injection A method for simulating cuttings re-injection in a wellbore, that includes defining a mass balance equation for a solids bed, defining a mass balance equation for a suspension solids, segmenting the wellbore into a plurality of elements, wherein each element include... | 01/08/2008 |
| 7314947 | Process for making dialkyl carbonates A process for the production of dialkyl carbonates from the reaction of alcohol, for example C1-C3 alcohols, with urea is disclosed wherein the water and ammonium carbamates impurities in the feed are removed in a prereactor. The water is react... | 01/01/2008 |
| 7302515 | Exploiting popular objects to reduce mutator overhead A garbage collector that reclaims memory for a mutator does so space-incrementally, employing remembered sets associated with respective heap regions to keep track of where the mutator has notified it of writing references into the associated regions. The collector ... | 11/27/2007 |
| 7281126 | Method of installing an image on a client over a network securely using a wanboot binary and a kernel to install the image A method for installing an image on a client including obtaining a wanboot binary from the boot server, determining whether the wanboot binary is valid, obtaining a security payload from the boot server using the wanboot binary if the wanboot binary is valid, establ... | 10/09/2007 |
| 7276718 | System and method for determining a position or/and orientation of two objects relative to each other as well as beam guiding arrangement, interferometer arrangement and device for changing an optical path length for use in such a system and method A system and a method for determining a position of two objects relative to each other is suggested, comprising: a source 43 of coherent radiation, a beam guidance for providing a measuring branch 49 for a measuring beam, which has an optical path leng... | 10/02/2007 |
| 7267185 | Bit retainer system A bit retainer system comprising a casing, a driver sub adapted to be disposed around a shank of a bit, and a bit retainer. The driver sub comprises a threaded connector, a threaded pin end configured to engage with the hammer case, and a stop. The bit retainer comp... | 09/11/2007 |
| 7261809 | Process for ultra low sulfur gasoline A process for removing organic sulfur compounds from heavy boiling range naphtha in a dual purpose reactor wherein the heavy boiling range naphtha is fed downflow over a fixed bed of hydrodesulfurization zone and then treated with hydrogen in a hydrodesulfurization ... | 08/28/2007 |
| 7255777 | Distillation system Improved HETP is obtained in the operation of a distillation column containing trays with a packing of a porous container containing a particulate material intimately associated with a resilient component having at least 50 volume % open space, preferably at least 7... | 08/14/2007 |
| 7251590 | Dynamic vibrational control A method for reducing vibration of a drilling tool assembly is disclosed. The method includes modeling the drilling tool assembly based on input parameters, simulating a vibration of a drill string coupled with a vibration of a drill bit, determining an initial tota... | 07/31/2007 |
| 7063176 | Membrane forming in-situ polymerization for water based drilling fluid A method of increasing shale formation stability with a water based drilling fluid, the method including: delivering to the shale formation a drilling fluid formulated to include an aqueous fluid; a first reactant which is a soluble monomer, oligomer, or polymer wit... | 06/20/2006 |
