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Turbine intrusion loss reduction system
Systems and devices configured to reduce windage and mixing losses in a turbine by redirecting and/or aligning a direction of a leakage flow with the flowpath...
An aerofoil having a leading edge point within a leading edge region and a pressure surface with a profile wherein within the leading edge region the pressure...
Blade cascade with side wall contours and continuous-flow machine
A blade cascade for a continuous-flow machine having a non-axisymmetrical side wall contour, whereby the side wall contour has at least one suction-side...
Cleat for open-work blade foot
A cleat for a blade foot of a blade of a propeller of a turboengine is provided. The cleat allows the discharge of ventilation airflow of the blade foot.
Rotor with improved balancing features
A rotor assembly for a gas turbine engine including a circumferential array of regularly spaced apart features provided on the disk which are each configured...
Liquid ring rotating casing steam turbine and method of use thereof
A rotating liquid ring rotating casing gas turbine (10) has at least one liquid ring rotating casing (13) having an eccentrically mounted impeller (11) adapted...
Rotary cam radial steam engine
A rotary cam radial engine formed of two primary components is provided which is engaged at a mid section to allow for an easy repair. The device features a...
A mud hammer is driven by the flow of drilling fluid to generate pressure pulses. Timing and/or amplitude of the pulses are altered to encode data by applying...
System and method for spread spectrum based drill pipe communications
A system and method are provided for communicating in a borehole. In one example, the method includes receiving a baseband signal transmitted through a drill...
System and method for estimating oil formation volume factor downhole
A system includes a downhole formation fluid sampling tool and a processor. An optical spectrometer of the downhole formation fluid sampling tool is able to...
Detection of position of a plunger in a well
A system for identifying location of a plunger that moves along a length of a well, includes an acoustic source carried in the well configured to transmit an...
Orienting hanger assembly for deploying MWD tools
An orienting hanger comprises a generally tubular inner hanger, a generally tubular outer collar, and a cylindrical tool adapter. Box and pin connections at the...
Noise isolation tool
Generally, the present disclosure is directed to noise isolation tools that may be used to minimize or even eliminate the detrimental effects that rogue noise...
Mechanical tube wave sources and methods of use for liquid filled
The current application discloses methods and systems for generating mechanical tube waves in fluid filled boreholes penetrating subterranean formations. In one...
Method and arrangement to establish during down-the-hole drilling
communication between the cavity of the drill...
The invention concerns a method to establish communication between the inner cavity of a drill string and the surrounding material down in a drill hole (60)...
Hydraulically-actuated propellant stimulation downhole tool
A hydraulically-actuated propellant stimulation of a downhole tool for use in hydrocarbon wells, which comprises a rupture disc that allows a predetermined...
Chelating fluid for enhanced oil recovery in carbonate reservoirs and
method of using the same
The chelating fluid for enhanced oil recovery in carbonate reservoirs and the method of using the same utilizes a chelating fluid injected into a carbonate oil...
Enhanced recovery and in situ upgrading using RF
A method for heating heavy oil inside a production well. The method raises the subsurface temperature of heavy oil by utilizing an activator that has been...
Method and apparatus for using pressure cycling and cold liquid CO.sub.2
for releasing natural gas from coal...
A method and apparatus for sequestering carbon dioxide (CO.sub.2) gas and releasing natural gas from underground coal and/or gas shale formations using CO.sub.2...
Self-stabilizing gas lift valve
A self-stabilizing gas lift valve apparatus for oil and gas production. The apparatus includes a valve body having at least one gas inlet in communication with...
Dual barrier side pocket mandrel with gauge
A dual barrier side pocket mandrel with gauge includes a gas lift barrier valve mandrel with permanent sensors and at least two pockets for accepting gas lift...
Oil well pump apparatus
An oil well pumping apparatus for pumping oil from a well to a wellhead provides a tool body that is sized and shaped to be lowered into the production tubing...
Autonomous fluid control assembly having a movable, density-driven
diverter for directing fluid flow in a fluid...
An apparatus is presented for autonomously controlling fluid flow in a subterranean well, the fluid having a density which changes over time. An embodiment of...
Down-hole liquid level control for hydrocarbon wells
This invention provides for an apparatus that controls a liquid level down-hole of a hydrocarbon producing well by physically monitoring the liquid level...
Apparatus and method for setting a liner
An apparatus for setting a liner in a wellbore that includes a setting tool attached to a work string. The setting tool includes a stretching mandrel and a...
Rapid install environmental tray
A bop tray and related method for providing fast and effective containment of various wellhead liquids above and around the high drill assembly of a hydrocarbon...
Downhole tool with expandable seat
A downhole tool for use in a hydrocarbon production well. The downhole tool has a housing defining a flowpath around a longitudinal axis and a seat radially...
Subterranean tool for release of darts adjacent their intended
A subterranean tool can drop multiple objects to landing locations in a tubular string. The tool can keep at least one ball out of the fluid stream until ready...
Fluid injection device
A fluid injection device (18) for controlling injection of fluid into an oil-carrying tube in an oil well includes an inlet (20) for receiving the fluid; an...
Apparatus and method to remotely control fluid flow in tubular strings and
A method and apparatus for remotely and selectively controlling and altering fluid flow through tubular string disposed within a wellbore and further control...
Swellable packer having reinforcement plate
A packer assembly for use with a subterranean well can include a base pipe, at least one ring-shaped reinforcement plate which encircles the base pipe, and at...
Magnetorheological fluid locking system
A system, including a magnetorheological (MR) fluid locking system, including a housing, a piston disposed in the housing, wherein the piston is configured to...
In-riser hydraulic power recharging
A method for pressurizing a hydraulic accumulator includes creating an annulus pressure zone in hydraulic communication with the hydraulic accumulator through a...
Method and device for separating pipes
A method for separating a pipe comprising a pipe axis, a pipe wall, a pipe interior, an inside pipe circumference, an upper end to be separated, and a lower...
Modular tool for wellbore cleaning
Modular debris chambers of a debris extraction tool and a method for collecting debris using such modular debris chambers are disclosed. The modular debris...
Power charge igniter having a retainer protrusion
A power charge (12) for a downhole setting tool has a sleeve (14) which defines a housing. A propellant (16) is located in the sleeve (14) in solid form and...
Downhole drive force generating tool
An apparatus and method for generating a drive force in a downhole environment includes chambers of a reactant and a catalyst, respectively, that are maintained...
Remote hydraulic control of downhole tools
A well tool apparatus comprises a control arrangement configured to control response of the downhole tool by varying a bore-annulus pressure difference. The...
An activating device is provided for location in downhole tubing. The device defines an activation profile which is initially maintained at a larger diameter...
Spinner assembly for oilfield tubular connections
A spinner assembly for threading or unthreading tubular members above the floor of a well site has a spinner with an open throat, a plurality of rollers...
Electric tong system and methods of use
An automated, electric tong system and methods usable for making-up and breaking out threaded connections between tubular members, wherein the electric tong...
Self-assembling segmented coiled tubing
Self-assembling segmented coiled tubing is a concept that allows the strength of thick-wall rigid pipe, and the flexibility of thin-wall tubing, to be realized...
Riser with slim pin auxiliary line
A subsea riser system includes a riser joint. The riser joint includes a main line and an auxiliary line, in which the auxiliary line includes a pin section, a...
Torque limiting device
A work string assembly for an oil or gas well has a first and second tubulars, and a torque limiting device connected in the work string. The torque limiting...
System and method for drilling in rock using microwaves
An apparatus for drilling a wellbore in a material, such as rock, is provided. The apparatus can include a microwave source, a first fluid source, and a second...
Drill with integrally formed bent sub and sonde housing
A fluid-actuated directional percussive impact tool includes a back head for connection to a pressurized fluid source and a tool casing housing a drill bit...
Electric rolling door
An electric rolling door including a rail, a rolling door coupled to the rail, a control module connected to the rolling door to drive the rolling door moved...
Architectural covering and method of setting at least one position of the
A architectural covering, such as a shutter, blind or shade, comprising a control unit for controlling a motor so as to adjust the position of the architectural...
Lineal retainer porch screening apparatus
A lineal retainer kit for facilitating the covering of openings defined by porch framing with mesh screening and a second material. The primary components of...
Door seal assembly
A door assembly including a swinging door, a sealing member pivotally to the door configured to pivot between a first position into contact with the floor and a...