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Patent # Description
US-9,574,441 Downhole telemetry signal modulation using pressure pulses of multiple pulse heights
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...
US-9,574,440 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...
US-9,574,439 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...
US-9,574,438 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...
US-9,574,437 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...
US-9,574,436 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...
US-9,574,435 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...
US-9,574,434 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...
US-9,574,433 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...
US-9,574,432 Optimized drilling
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...
US-9,574,431 Cavitation-based hydro-fracturing technique for geothermal reservoir stimulation
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...
US-9,574,430 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...
US-9,574,429 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...
US-9,574,428 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,...
US-9,574,427 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...
US-9,574,426 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...
US-9,574,425 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...
US-9,574,422 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...
US-9,574,420 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,...
US-9,574,419 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...
US-9,574,418 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...
US-9,574,417 Wireline hydraulic driven mill bottom hole assemblies and methods of using same
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...
US-9,574,416 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...
US-9,574,414 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...
US-9,574,411 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...
US-9,574,407 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...
US-9,574,405 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...
US-9,574,403 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...
US-9,574,402 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...
US-9,574,401 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...
US-9,574,400 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...
US-9,574,399 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...
US-9,574,397 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...
US-9,574,395 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,...
US-9,574,393 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...
US-9,574,392 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...
US-9,574,390 Beach safe
New techniques for safeguarding valuables in a recreational, public setting are provided. In some aspects of the invention, a specialized portable safe is...
US-9,574,389 Line belt driven retrofittable door opener, system, and method of retrofitting thereof
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...
US-9,574,388 Control system for a motorized closure element arrangement of a motor vehicle
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...
US-9,574,387 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...
US-9,574,385 Door actuator
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...
US-9,574,383 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...
US-9,574,382 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...
US-9,574,381 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...
US-9,574,380 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...
US-9,574,379 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...
US-9,574,378 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...
US-9,574,377 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...
US-9,574,376 Electromechanical lock
An electromechanical lock includes a lever coupled with a locking mechanism configured to receive mechanical power from an user, and to output the mechanical...
US-9,574,375 Electronic lock
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...
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