At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Airfoil with hybrid drilled and cutback trailing edge
An apparatus for a gas turbine engine includes an airfoil, a metering opening for metering a cooling fluid, a cutback slot configured to deliver the cooling...
Gas turbine engine component with compound cusp cooling configuration
A component for a gas turbine engine including a gas path wall having a first surface and a second surface. A cooling hole extends through the gas path wall...
Repair of a coating on a turbine component
A method is provided for repairing an area of damaged coating on a component of a turbine module in a gas turbine engine, the component formed of a base...
System for motorized displacement of a mobile element, method of driving
such a system and method of testing...
The invention provides a motor-driven movement system for moving a movable element, the system comprising at least two actuators, each provided with means...
Cutting tool mounting assembly with elastomeric coated bushing
A cutting tool mounting assembly adapted for receiving a cutting tool includes a base having a bottom portion and a front portion that defines a receptacle...
Packer tool including multiple port configurations
A tool is to be used within a wellbore including a wall and extending into a formation with formation fluid. The tool includes a packer expandable against the...
Finding oil content of the formation using dielectric spectroscopy
The present disclosure relates to methods and apparatuses for evaluating fluid saturation in an earth formation using complex dielectric permittivity. The...
Fluid pressure pulse generator and method of using same
A fluid pressure pulse generator comprising a stator and rotor that can be used in measurement while drilling using mud pulse or pressure pulse telemetry is...
Reliable downhole data transmission system
A downhole signal transmission system provides electric radiofrequency signals that are coupled to electrically conductive or non-conductive fluids through...
Acoustic determination of the position of a piston with buffer rods
An apparatus having a transducer configured to generate acoustic energy, a buffer rod with a first end and a second end, the transducer in contact with the...
Downhole monitoring using magnetostrictive probe
A system, method and apparatus for controlling a downhole operation is disclosed. A tool is operated to perform the downhole operation at a selected downhole...
Pressure sensing device and method for using the same
A pressure-sensing device is for use in an underground well. The pressure-sensing device includes a pressure sensor arranged at least to sense whether a...
Advanced underground homing system, apparatus and method
A boring tool that is moved by a drill string to form an underground bore. A transmitter transmits a time varying dipole field as a homing field from the boring...
Passive magnetic ranging for SAGD and relief wells via a linearized
trailing window kalman filter
A method of drilling a well is disclosed. A first estimate is obtained of a location of the well with respect to a reference well at a selected depth. A...
Advanced drill string inground isolator housing in an MWD system and
A housing defines a through passage along its length and is configured to support a group of electrical isolators surrounding the through passage to form an...
Modulated opto-acoustic converter
An opto-acoustic subsystem is provided. The subsystem includes an optical transmitter and an actuator device. The optical transmitter can be positioned at a...
Method of developing a petroleum reservoir from a technique for selecting
the positions of the wells to be drilled
The invention is a method of developing a petroleum reservoir employing a technique for selection of the position of the wells to be drilled. A production...
Plasma source for generating nonlinear, wide-band, periodic, directed,
elastic oscillations and a system and...
A plasma source for generating nonlinear, wide-band, periodic, directed, elastic oscillations in a fluid medium. The plasma source includes a plasma emitter...
Hydrocarbon resource heating apparatus including ferromagnetic
transmission line and related methods
A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include an RF antenna configured to be positioned within...
Method of recovering hydrocarbons from a reservoir
A downhole steam generation apparatus and method of use are provided. The apparatus may include an injection section, a combustion section, and an evaporation...
Cased hole chemical perforator
A device and method for use is provided to provide a port in a tubular without using explosives or a mechanical apparatus. By the utilization of the chemical...
Method and system for radially expanding a tubular element in a wellbore
The invention provides a method and system for radially expanding a tubular element below a previous tubular element.
System for lining a wellbore
The invention provides a system for lining a wellbore. The system comprises an expandable tubular element arranged in the wellbore, the tubular element having a...
Erosion tracer and monitoring system and methodology
A technique provides a system and methodology for detecting and monitoring erosion in various environments, including downhole environments. A tracer element is...
Washpipe isolation valve and associated systems and methods
A method can include closing a valve interconnected between sections of a washpipe of a service tool string by displacing the service tool string relative to a...
Heave compensation and tensioning apparatus, and method of use thereof
A heave compensation and tensioning apparatus for use on a floating vessel during "locked-to-bottom" operations is provided. The apparatus includes a pair of...
Safety valve with lockout capability and methods of use
A safety valve includes a housing, a flapper coupled to the housing and movable between open and closed positions, and a flow tube movably disposed within the...
Fluid stabbing dog
A diverter system having stabbing dogs is provided. In one embodiment, such a system includes a diverter, a housing, and a plurality of stabbing dogs coupled to...
Straight-bore back pressure valve
A system includes a back pressure valve. The back pressure valve includes a body, a plunger disposed internal to the body, and a friction member disposed about...
Support device for use in a wellbore and a method for deploying a barrier
in a wellbore
The present invention relates to a downhole support device (100) for use in a wellbore and which is adapted to be run into the wellbore through an elongate...
Hybrid-tieback seal assembly
A hybrid-tieback seal assembly and methods for tying a well back to the surface or subsea well head are disclosed. A method to tie a well back to the surface or...
Internal blow out preventer
An internal blow out preventer for use in a drill string, comprising a housing having an outer valve closure element and where the outer valve closure element...
A snubbing apparatus for a wellhead has a snubbing stack with a upper sealing element and a lower sealing element that seal between the elongate string and the...
An SPM valve for use in a subsea environment includes a spool selectively movable between first and second positions to thereby arrange the valve in respective...
Control pod for blowout preventer system
A blowout preventer system includes a blowout preventer stack having hydraulic components. The blowout preventer stack is coupled to a lower marine riser...
Magnetic tool and method
A magnetic tool for use in removing metal debris from a well is disclosed, the tool having inserts that may be safely installed and removed by a method using a...
Drill members for mine roofs
A drilling system for drilling vertical holes in a mine roof includes a chuck configured to be driven in rotation by a motorized drill head. The chuck is...
Pipe handling assembly
A method and apparatus for a pipe handling assembly is disclosed. A pipe handling assembly is provided that has a pusher member, trough, and elevation feature....
Drill pipe handling system
An elevator, apparatus, and method for handling a tubular, of which the apparatus includes a body defining at least a portion of a tapered bowl. The apparatus...
Elevator assembly with reversible insert
An elevator assembly such as, for example, a single joint elevator apparatus having a removable load supporting insert member for gripping the outer surface of...
Rotating control device having jumper for riser auxiliary line
A rotating control device housing includes an upper riser flange; a lower riser flange; a latch section for receiving a bearing assembly and connected to the...
Downhole casing system
The present invention relates to a casing module for being part of a downhole casing system, comprising a base pipe extending in a longitudinal direction and...
A casing centralizer comprising a cylindrical base and a plurality of blades extending from the cylindrical base. The plurality of blades and the cylindrical...
Relating to buoyancy-supported risers
A subsea riser support buoy is disclosed having a riser support member and a jumper support member that extend generally parallel to each other and that define...
Drill head clean out apparatus
A drill head clean out device having a clean out tool, a first bar having a first end and a second end, wherein the clean out tool is adapted to be positioned...
Reverse circulation bit assembly
A drill bit assembly for boring including a drill bit and a bit sub. A front bit end has a plurality cutting elements at a forward face of the front bit end and...
Method for braze joining of carbonate PCD
A method for making a diamond compact includes pre-heating a diamond body which includes a carbonate catalyst to convert at least a portion of the carbonate...
Force-balancing mechanisms especially useful for assisted lifting/lowering
of aircraft stairs
The disclosed embodiments herein are generally directed toward force-balancing mechanisms for weighted members and/or loads. According to one embodiment, the...
A combined stepladder and work platform assembly is provided. The assembly comprises a top frame having two side rails and footplate, a back frame pivotally...
Ladders and related methods
Ladders and related methods of using and manufacturing stepladders are provided. In one embodiment, a stepladder is provided that comprises a first assembly...