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Downhole telemetry signal modulation using pressure pulses of multiple
A method for modulating a downhole telemetry signal uses a fluid pressure pulse generator that generates pressure pulses of multiple pulse heights in a drilling...
Flow switch algorithm for pulser driver
A pulser driver assembly of a measurement-while-drilling tool that includes an improved flow switch is disclosed. The flow switch uses multiple accelerometers...
Downhole vibratory communication system and method
Systems and methods for controlling one or more downhole tools. A vibratory signal is produced by interaction between an actuation profile and a contact...
Fluid velocity flow meter for a wellbore
A method and device to measure production contribution from a zone of a wellbore. The flow device include a first cylindrical portion having a first outer...
Viscometer for downhole use
A method for measuring viscosity in a borehole includes: pumping downhole fluid through at least one tube disposed in a carrier configured to be disposed in a...
Mounting plate apparatus, systems, and methods
In some embodiments, an apparatus and a system may include a substantially flat mounting plate having a first inset portion to receive a circuit board, and a...
Hydrocarbon well performance monitoring system
A method for real-time data acquisition and presentation of force, position, load, pressures, and movement within a subterranean well pumping system, such as an...
Monitoring system for well casing
A system for use in a wellbore, comprises a length of casing, a structure that is configured to deform with deformation of the casing, said structure being...
System and method for quantifying stimulated rock quality in a wellbore
A method and system determines the performance index of subterranean rock. A performance index is determined for subterranean rock of an area. The area includes...
The invention provides a method of optimizing the rate of penetration of a hydraulically or pneumatically powered rotor and stator driven drill as it drills a...
Cavitation-based hydro-fracturing technique for geothermal reservoir
A rotary shutter valve 500 is used for geothermal reservoir stimulation. The valve 500 includes a pressure chamber 520 for holding a working fluid (F) under...
Device and method for obtaining, especially in situ, a carbonaceous
substance from an underground deposit
An apparatus is provided for delivering a substance containing hydrocarbons from a reservoir. The reservoir can be subjected to thermal energy in order to...
Hydrocarbon mobility and recovery through in-situ combustion with the
addition of ammonia
Air and ammonia gas are introduced into a subterranean formation during the in-situ combustion to increase the mobility of hydrocarbons in a subterranean...
Screened production sleeve for multilateral junctions
In one aspect, a wellbore system is disclosed that in one non-limiting embodiment includes a first wellbore capable of producing a fluid from a first formation,...
Assembly and method for subsea hydrocarbon gas recovery
An assembly to recover hydrocarbon gas from a seabed comprises one or more self-propelled drilling devices that include hydrocarbon sensors and a sublimation...
Offshore well system with a subsea pressure control system movable with a
remotely operated vehicle
An offshore well drilling system for drilling a subsea well is presented that includes a floating platform, a surface BOP stack, a riser, and a driveable...
Downhole power generation using hydraulic flow regulation
Systems and methods of downhole power generation are disclosed, which provide for the generation of electrical power in a downhole environment by the use of an...
Formation treatment system
A treatment system including a first tubular having at least one port therein. A valve member is disposed with the first tubular and operatively arranged to...
Well intervention tool and method
A system to control fluid flow through a fluid passage includes a valve that is fail-safe closed to selectively control fluid flow through the fluid passage,...
Methods for completing subterranean wells
Methods for cementing a subterranean well comprise installing a casing string into a borehole, wherein the casing string comprises a metal having a coefficient...
Downhole tool member for hydrocarbon resource recovery
A downhole tool member for hydrocarbon resource recovery, comprising a shaped body of a polyglycolic acid resin blended with an inorganic or organic short fiber...
Wireline hydraulic driven mill bottom hole assemblies and methods of using
A bottom hole assembly for engaging and removing an object within a wellbore comprises a cutting tool at a lower end. Continued engagement of the cutting tool...
Explosive tubular cutter and devices usable therewith
Explosive cutter assemblies and methods include a liner having a single unitary body, and an explosive charge disposed within the liner. The explosive charge...
Wellbore tool with indexing mechanism and method
A wellbore tool, a wellbore fluid treatment string and a method with an indexing mechanism including a crown ratchet sleeve. The indexing mechanism can be...
Coiled tubing unit locking knee-joint mechanisms
A knee-joint mechanism for a folding gooseneck used in a coiled tubing unit, includes a main structure having a distal end pivotally attached thereto, the...
Drilling systems and multi-faced drill bit assemblies
A drill bit assembly that includes a shank including a shank axis, first and second ends, a drill bit seat at the second end and a central flow bore extending...
Hybrid disc bit with optimized PDC cutter placement
The invention provides an improved drill bit and a method for designing thereof. The drill bit includes a bit body, a journal depending from the bit body, and a...
Mobile drilling rig
A mobile drilling rig (1) includes a mast (3), a drilling head (5) for sliding in use along the mast (3), and at least one hoist (4). The drilling head (5) is...
Box frame spreader beam
A spreader beam includes a first spreader beam section, where the first spreader beam section is pivotably coupled to the first substructure and a second...
Downhole motor with concentric rotary drive system
A rotary fluid drive has first and second bodies 20, 120. The second body 120 is rotatable relative to and inside of the first body 20 defining a working fluid...
Vehicle hitch ladder support device
A ladder support device removably securable to the hitch receiver of a vehicle. The ladder support device comprises a frame having adjustable ground engaging...
Maintenance cart with air filtration
A maintenance/construction cart that facilitates wall and ceiling access while isolating the interior of the cart from the surrounding environment. The cart is...
Curtain security structure driven by bead chain
The invention relates to a curtain security structure driven by a bead chain, comprising an upper assembler, a lower assembler, and flexible support parts to be...
Intelligent window covering incorporating security features
An apparatus in accordance with the invention includes a gearbox assembly configured to electromechanically operate a window covering. A controller,...
Cord-winding device for a blind assembly having no pull cord
A cord-winding device for a blind assembly having no pull cord includes a base seat defining a slide channel and having a bottom side configured to removably...
Retention system for louvre blades
A louvre blade retention system for use in a louvre windows system, the retention system including a louvre end clip mounted relative to a louvre channel, the...
New techniques for safeguarding valuables in a recreational, public setting are provided. In some aspects of the invention, a specialized portable safe is...
Line belt driven retrofittable door opener, system, and method of
A line belt driven retrofittable door opener includes a motor, a drive link, an output link, and at least one flexible link. The at least one flexible link...
Control system for a motorized closure element arrangement of a motor
Disclosed herein is a control system for driving a motorized closure element arrangement of a vehicle, wherein at least one linear distance sensor, is provided...
Alignment of obstacle detection components
An apparatus having a controller will initiate an obstacle detector alignment mode. An annunciation system of the apparatus effects a first annunciation mode in...
A power boost assembly is disclosed that can be used with a door actuator, such as a door closer. The power boost assembly is structured to store an energy...
Self-locking hinge mechanism
A self-locking hinge for agricultural machine panels includes a receptacle configured to slidingly receive an insert along a receiving axis. A hinge with fixed...
Pull handle for a vehicle door
A pull handle (1) for a lock of a vehicle door or lift gate featuring a pull handle housing (1a) having a bearing part (2) and a handle part (3) connected so as...
Door handle assembly for a motor vehicle
A door handle assembly for a motor vehicle includes an operating handle, a mechanical coupling device, and a locking device attached to a handle mounting. An...
Closing and opening apparatus of luggage room for vehicle
An opening and closing apparatus of a luggage room for a vehicle may include a latch configured to be coupled with a luggage room door of a vehicle and provided...
Motor vehicle door lock
A motor vehicle door lock comprising a locking mechanism (1, 2), an actuating lever unit (3, 4, 16), which interacts with the locking mechanism (1, 2), a drive...
Lock for electronic device
A lock for an electronic device having a lock hole includes a lock core, a fastener, and an adapter, wherein the lock core is operable and rotatable about a...
Replacement shackle for portable lock
A group of embodiments for enabling the replacement of damaged shackles for multiple types of portable locks is disclosed. The embodiments have the ability to...
An electromechanical lock includes a lever coupled with a locking mechanism configured to receive mechanical power from an user, and to output the mechanical...
An electronic lock includes a lock mechanism, an actuator coupled to the lock mechanism and configured to lock and release the lock mechanism, and an actuator...