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| Number | Title | Issue Date |
| 8113293 | Single packer structure for use in a wellbore A technique involves collecting formation fluids through a single packer having at least one drain located within the single packer. The single packer is designed with an outer flexible skin and one or more drains coupled to the outer flexible skin. A mandrel is pos... | 02/14/2012 |
| 8109334 | Sampling and evaluation of subterranean formation fluid A method of sampling a subterranean formation fluid may comprise extracting a first fluid sample from a portion of the subterranean formation, altering a temperature of the portion of the subterranean formation, and extracting a second fluid sample from the portion ... | 02/07/2012 |
| 8091635 | Apparatus and methods to remove impurities at a sensor in a downhole tool Apparatus and methods to remove impurities at a sensor in a downhole tool are disclosed. During the testing and/or sampling of formation fluid in a borehole, the downhole tool creates a transient high rate of fluid flow of the formation fluid to remove impurities at... | 01/10/2012 |
| 8076933 | Method for determining wettability of an oil reservoir A method for determining wettability of an earth formation zone surrounding a borehole, including the following steps: introducing paramagnetic ions into the water component of the zone; performing NMR measurements on the zone, and determining an NMR relaxation time... | 12/13/2011 |
| 8028756 | Method for curing an inflatable packer A method of curing an inflatable packing is provided that includes providing a packer assembly having an inflatable packer around a mandrel; a polyamide bandage around the inflatable packer; and a sealing layer around both the polyamide bandage and the inflatable pa... | 10/04/2011 |
| 8016038 | Method and apparatus to facilitate formation sampling A downhole tool for extracting a sample from a subsurface formation includes an emitter of electromagnetic energy configured to heat water in the subsurface formation. A method for extracting a sample from a subsurface formation involves conveying a downhole tool in... | 09/13/2011 |
| 7966273 | Predicting formation fluid property through downhole fluid analysis using artificial neural network Apparatus and methods to perform downhole fluid analysis using an artificial neural network are disclosed. A disclosed example method involves obtaining a first formation fluid property value of a formation fluid sample from a downhole fluid analysis process. The fi... | 06/21/2011 |
| 7963325 | Method and system for fracturing subsurface formations during the drilling thereof A method for fracturing a wellbore while drilling a wellbore includes inserting a drill string into a wellbore. A fluid is pumped into at least one of an interior passage in the drill string and an annular space between a wall of the wellbore and the drill string. A... | 06/21/2011 |
| 7963323 | Technique and apparatus to deploy a cement plug in a well A technique that is usable with a well includes deploying a sensing device on a drill string and communicating with the sensing device during a plug cementing operation over a wired infrastructure of the drill string. The technique includes controlling the plug ceme... | 06/21/2011 |
| 7957946 | Method of automatically controlling the trajectory of a drilled well Steering behavior model can include build rate and/or turn rate equations to modal bottom-hole assembly behavior. Build and/or turn rate equations can be calibrated by adjusting model parameters thereof to minimize any variance between actual response 118 and... | 06/07/2011 |
| 7954252 | Methods and apparatus to determine and use wellbore diameters Example methods and apparatus to determine and use wellbore diameters are disclosed. A disclosed example method comprises positioning a downhole tool in a wellbore, counting a number of rotations of a motor used to cause the downhole tool to contact a surface of the... | 06/07/2011 |
| 7913775 | Subsurface formation core acquisition system using high speed data and control telemetry A core sample acquisition device includes a core receiving barrel configured to couple to a drill string proximate a core drilling bit. The device includes a sensor for determining a property of a core sample urged into the receiving barrel by drilling the core samp... | 03/29/2011 |
| 7913773 | Bidirectional drill string telemetry for measuring and drilling control The disclosure has application for use in conjunction with an operation of drilling an earth borehole using: a drilling rig, a drill string having its generally upper end mechanically coupleable with and suspendable from the drilling rig, and a bottom hole assembly ... | 03/29/2011 |
| 7857075 | Wellbore drilling system A method related to restarting a drilling process includes the steps of applying a surface torque to a drill string in a borehole, detecting signals related to one of a torque and a rotational speed experienced at a bottom hole assembly, initiating drilling fluid fl... | 12/28/2010 |
| 7832500 | Wellbore drilling method A method and apparatus for drilling at least one wellbore from an offsite location is provided. Each wellbore is located at a wellsite having a drilling rig with a downhole drilling tool suspended therefrom. The downhole drilling tool is selectively advanced into th... | 11/16/2010 |
| 7798246 | Apparatus and method to control the rotation of a downhole drill bit An apparatus and method to control the rotation of a downhole drill bit are disclosed. A pair of spaced-apart measuring or survey instruments at the drill string provide data that is analyzed to determine relative rotation between the instruments so that drag affect... | 09/21/2010 |
| 7798216 | Wellbore surveying system and method A method for surveying a wellbore may include deploying a deployable wellbore survey tool into the wellbore, collecting survey data as the deployable survey tool traverses the wellbore, and determining wellbore position information based on the survey data. In one e... | 09/21/2010 |
| 7775099 | Downhole tool sensor system and method An apparatus and method for determining forces on a downhole drilling tool is provided. The downhole tool is provided with a drill collar operatively connectable to the drilling tool, and a sensor mounted about the drill collar. The sensor is adapted to measure defo... | 08/17/2010 |
| 7766101 | System and method for making drilling parameter and or formation evaluation measurements during casing drilling A casing drilling system includes a casing having a drill bit at one end. The drill bit is capable of drilling subsurface formations and formed from a material removable by drilling or chemical exposure. The chemical is substantially harmless to the casing. The syst... | 08/03/2010 |
| 7762354 | Peizoelectric generator particularly for use with wellbore drilling equipment An electric power generator includes a conduit disposed in a wellbore penetrating subsurface formations and at least one piezoelectric transducer in contact with the conduit. The piezoelectric transducer is configured to undergo stress in response to vibration in th... | 07/27/2010 |
| 7757552 | Downhole tool sensor system and method An apparatus and method for determining forces on a downhole drilling tool is provided. The downhole tool is provided with a drill collar operatively connectable to the drilling tool, and a sensor mounted about the drill collar. The sensor is adapted to measure defo... | 07/20/2010 |
| 7751280 | Determining wellbore position within subsurface earth structures and updating models of such structures using azimuthal formation measurements A method for determining structure in the Earth's subsurface includes generating an initial model of the structure. The initial model includes at least one layer boundary. A wellbore is drilled along a selected trajectory through the Earth's subsurface in a volume r... | 07/06/2010 |
| 7703548 | Magnetic ranging while drilling parallel wells Methods are disclosed for drilling a first well and a second well. The method includes measuring direction and inclination for at least one of the bottom hole assemblies (BHAs) in the wells, generating a magnetic field in at least one of the BHAs and measuring the m... | 04/27/2010 |
| 7605715 | Electromagnetic wellbore telemetry system for tubular strings A coaxial transmission line for an electromagnetic wellbore telemetry system comprises an outer conductive pipe, an inner conductive pipe disposed coaxially inside an axial bore of the outer conductive pipe, a first electrical contact having a first contact face dis... | 10/20/2009 |
| 7445120 | Folding reusable display and article storage package A reusable display package having a first body with a first pocket and a second body with a second pocket is provided. A hinge connects the first body to the second body to move the first body relative to the second body from an open display position to a closed car... | 11/04/2008 |
| 7410035 | Damper and method for tuning a damper utilizing a surface contact reducing resilient member A damper and method for tuning a damper utilizing a surface contact reducing resilient member is disclosed. A damper for dampening torsional and bending vibrations in a rotating shaft includes a hub member, an inertia member spaced radially outwardly from the hub me... | 08/12/2008 |
| 7407151 | Integrated jack and winch assembly An embodiment of the present invention provides for a jack-winch assembly. The assembly includes a jack; a winch, secured to the jack; and a crank. The crank is independently engageable with the winch and the jack. The crank shifts between a first position, where th... | 08/05/2008 |
| 7325786 | Multi-speed drop leg mechanical jack for use with a trailer A mechanical jack that is used with trailers that has a functional combination of several working gears as well as a drop leg feature is disclosed. The mechanical jack has a gearbox having gears that not only have the capacity to handle a relatively heavy load, but ... | 02/05/2008 |
| D561424 | Powered drive for jack | 02/05/2008 |
| D560324 | Powered drive for jack | 01/22/2008 |
| 7296332 | Brake rotor assembly and method for making same A method for forming a brake assembly for a motor vehicle includes a wheel hub, a knuckle, and a brake rotor. The wheel hub includes a neck portion and a flange portion having a flange face. The flange face has a plurality of bolt receiving holes formed therein. The... | 11/20/2007 |
| D554029 | Trailer coupler assembly | 10/30/2007 |
| D551363 | LED vehicle lamp | 09/18/2007 |
| 7264219 | Breakaway banner support assembly A breakaway banner support assembly for mounting to a vertical support structure having at least one mounting member connected to a support structure, a support rod extending along a generally horizontal plane for supporting a flexible banner, and a breakaway and re... | 09/04/2007 |
| 7255357 | Method and apparatus for suspending a vehicle A suspension for, and a method for suspending, a vehicle having a body is provided. The suspension includes a first suspension assembly and a second suspension assembly. The first suspension assembly extends between a first surface contact assembly and the body, and... | 08/14/2007 |
| D542950 | Rectangular decorative reflector for vehicle light with multiple light emitting diodes | 05/15/2007 |
| D542444 | Vehicle light and lens | 05/08/2007 |
| 7214011 | Key cutting machine A key cutting machine having a vacuum port connected to the housing and capable of removeably connecting a vacuum tube thereto so that when the vacuum tube is connected to the vacuum port the vacuum tube is capable of collecting key shavings created during a key cut... | 05/08/2007 |
| D541448 | Triple tail light module | 04/24/2007 |
| D541449 | Single tail light module | 04/24/2007 |
