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2015
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Invention
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Time division multiplexing (tdm) and wavelength division multiplexing (wdm) sensor arrays. Method... |
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Invention
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Eccentric stabilizer for synchronous rotary steerable system. A method and apparatus for steering... |
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Invention
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Alignment marking for rock sample analysis. A method for using a Focused Ion Beam and/or Scanning... |
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2014
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Invention
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Toe sleeve isolation system for cemented casing in borehole. An apparatus deploys on a casing and... |
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Invention
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Internally degradable plugs for downhole use. Plugs (50) for deployment downhole include a body (... |
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Invention
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Structural insert for composite bridge plug. A composite mandrel has structural support in the in... |
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Invention
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Re-fracture apparatus and method for wellbore. Re-treatment of a formation having a wellbore, whi... |
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Invention
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Annular relief valve. A pressure relief valve assembly may be coupled to one or more casings and/... |
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Invention
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Multi-zone bypass packer assembly for gravel packing boreholes. A gravel pack assembly includes s... |
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Invention
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Packer having swellable and compressible elements. A packer has a swellable element and has end r... |
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Invention
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Global calibration based reservoir quality prediction from real-time geochemical data measurement... |
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Invention
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Bidirectional downhole isolation valve. An isolation valve for use in a wellbore includes: a tubu... |
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Invention
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Method and system for tracking movement trajectory of a pipeline tool. The invention relates to s... |
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Invention
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Fluid sampling flask having cap and valve assembly. A container for collecting water samples to d... |
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Invention
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Cable by-pass for spooled cables. A downhole tool (250) with a swellable mantle (200) is configur... |
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Invention
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Direct slurry weight sensor for well operation mixing process. A slurry mixing system calculates ... |
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Invention
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Tubular handling apparatus. In one embodiment, a tubular handling assembly for use with a top dri... |
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Invention
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Z axis winding for filament wound materials. A rotatable mandrel for use in a filament winding pr... |
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Invention
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Downhole tool for debris removal. A downhole tool for use in a wellbore having a tool body with a... |
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Invention
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Thick wall shouldered launcher. An expandable tubular system that includes a launcher section cou... |
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Invention
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Couplings for expandable tubular. An expandable tubular for use in a wellbore includes: a pin for... |
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Invention
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Deepset wireline retrievable safety valve. The present invention generally relates to a deepset w... |
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Invention
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Controller for downhole tool. A controller for operating a downhole tool includes a tubular body;... |
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Invention
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Expandable ball seat for hydraulically actuating tools. A downhole tool has a housing, a mandrel,... |
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Invention
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Split foldback rings with anti-hooping band. A device and method prevent damage to an anti-extrus... |
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Invention
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Resettable ball seat for hydraulically actuating tools. A downhole tool has a housing, mandrel, a... |
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Invention
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Double compression set packer. A device and method allow a longer sealing element to be used on a... |
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Invention
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Real-time determination of formation fluid properties using density analysis. Analysis evaluates ... |
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Invention
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Bonded segmented slips. A slip assembly for a downhole tool, such as a bridge plug, has a slip bo... |
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Invention
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Weight setting indicator. The present invention generally relates to a weight setting indicator w... |
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Invention
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Cement device release mechanism. A holding device having release mechanisms for securing and rele... |
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Invention
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Anti-rotation assembly for sliding sleeve. A sliding sleeve has an inner sleeve that moves in a h... |
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Invention
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Extended length packer with timed setting. A device and method to control the rate of radial expa... |
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Invention
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Millable fracture balls composed of metal. A ball is used for engaging in a downhole seat and can... |
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Invention
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Consumable downhole packer or plug. A packer or plug for use in a wellbore includes: a tubular ma... |
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Invention
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Hydraulic communication device. The present invention generally relates to a hydraulic communicat... |
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2013
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Invention
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Sliding sleeve having inverting ball seat. A sliding sleeve (100) opens with a deployed ball (B).... |
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Invention
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Sliding sleeve having contracting, ringed ball seat. A sliding sleeve opens with a deployed ball,... |
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Invention
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Sliding sleeve having contracting, segmented ball seat. A sliding sleeve (100) opens with a deplo... |
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Invention
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Sliding sleeve having ramped, contracting, segmented ball seat. A sliding sleeve (100) opens with... |
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Invention
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Sliding sleeve having contracting, dual segmented ball seat. A sliding sleeve (100) opens with a ... |
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Invention
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Sliding sleeve having deformable ball seat. A sliding sleeve (100) opens with a deployed ball (B)... |
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Invention
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Erosion resistant wellbore screen and associated methods of manufacture. A method of manufacturin... |
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Invention
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Multi-zone screened fracturing system. A multi-zone formation treatment assembly has sections dis... |
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Invention
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Anchor latch on-off for sucker rods. A device and method to allow a sucker rod to be disconnected... |
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Invention
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High water and brine swell elastomeric compositions and method for making and using same. Swellab... |
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Invention
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Multi-cycle circulating tool. A method and apparatus for circulating fluid in a wellbore includes... |
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Invention
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Tachometer for downhole drilling motor. A tachometer for a downhole motor includes: a tubular hou... |
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Invention
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Measuring the properties and amount of producible oil in shale-oil reservoir samples. The subject... |
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Invention
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Seal stem. In one embodiment, the sealing apparatus includes a mandrel having at least two portio... |
