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Patent # Description
US-9,909,424 Assembly of a balance weight with a rotor element
The balance weight is fixed to the flange of a rotor element by a pre-fixing screw with a conical head engaged into a conical counterbore having a shape...
US-9,909,423 Balancing pockets
The invention relates to a drum rotor wheel for a fan having bulges to accommodate balancing weights. A drum rotor wheel according to the invention has several...
US-9,909,422 Reduced pressure balancing of a turbine rotor
The present invention relates to a device for inserting a balancing weight into a rotor of a turbine, that includes an external component and an internal...
US-9,909,421 Mixing system for an exhaust gases after-treatment arrangement
A mixing system includes a pipe having a longitudinal axis, in which exhaust gases can flow in a flow direction, a nozzle designed to inject a fluid inside the...
US-9,909,420 Axial piston machine
An axial piston machine is shown comprising a cylinder drum rotatable around an axis of rotation and having at least a cylinder, a piston arranged in said...
US-9,909,419 Strand, cable bolt and its installation
A strand (20) for a cable bolt (14) comprises a plurality of metallic elongated members (22, 24) twisted together. At least one of the elongated members has a...
US-9,909,418 Protective element, concrete element, and method for producing a concrete element
The invention relates to a protective element (20) for connecting to a concrete element (10) of a tunnel lining, to the concrete element (10) and to the method...
US-9,909,417 Angled degradation pick
A degradation pick of the type used in such fields as road milling, mining, and trenching to engage and degrade tough materials such as asphalt, concrete, and...
US-9,909,416 Diamond tipped unitary holder/bit
A unitary bit/holder assembly includes a reverse taper insert having a diamond coated tip mounted thereon that is received in an annular flange forwardmost...
US-9,909,415 Method and apparatus for analyzing mixing of a fluid in a conduit
An apparatus for mixing fluids within a conduit and monitoring performance of the mixing is provided. In one embodiment, the apparatus includes a conduit and a...
US-9,909,414 Fracture characterization using directional electromagnetic resistivity measurements
A disclosed fracture characterization method includes: collecting three-dimensional resistivity measurements of a volume surrounding an open borehole; analyzing...
US-9,909,413 Systems and methods for determining a rheological parameter
The present disclosure relates to systems and methods for determining a rheological parameter of a fluid within a wellbore. The methods comprise receiving a...
US-9,909,412 Determining seismic sensor orientation in a wellbore
A well-logging tool includes a magnetic field logging tool and a borehole seismic array, which includes a plurality of seismic sensor devices coupled together...
US-9,909,411 Apparatus and method for sensing a pipe coupler within an oil well structure
A system for sensing a pipe joint within a well structure bore comprises a body connectable in line with the well structure. The body has a central bore...
US-9,909,410 Depth, load and torque referencing in a wellbore
A downhole depth, load and torque reference system. The system includes a well feature disposed within a wellbore tubular having a depth reference element, a...
US-9,909,409 Methods for estimating resource density using raman spectroscopy of inclusions in shale resource plays
A method of determining the in situ pressure of a light hydrocarbon in a shale source rock formation comprising: providing an inclusion comprising the light...
US-9,909,408 Protection of electronic devices used with perforating guns
A sensing subassembly for use with a downhole tool comprises a housing, a cavity disposed within the housing, an electronic board disposed within the cavity, a...
US-9,909,407 Monitoring and transmitting wellbore data to surface
Methods of monitoring a force applied to a component (28) in a wellbore (12) following drilling and during a subsequent operation. Methods comprising: providing...
US-9,909,406 Automated delivery of wellbore construction services
A system and a method to providing a drilling service are described. The system includes a processor to identify two or more tasks associated with the service...
US-9,909,405 Desanding apparatus and a method of using same
An apparatus and method for removing particulates from a multiple-phase fluid stream is disclosed. The apparatus comprises a treatment chamber having a fluid...
US-9,909,404 Method to consolidate solid materials during subterranean treatment operations
Compositions include (1) aggregating compositions capable of forming deformable partial or complete coatings on formation surfaces, formation particle surfaces,...
US-9,909,403 Adjusting surfactant concentrations during hyraulic fracturing
Fracturing methods include introducing a relatively high concentration of a surfactant in an initial portion of one or more fluids used in a fracturing...
US-9,909,402 System, apparatus and method for producing a well
A system is provided that is capable of providing heat across a produced interval during oil and gas production to minimize or reduce undesirable formation of...
US-9,909,401 Method of flash-cooling produced water and heating steam generator feedwater
An oil recovery process where produced water is cooled through a flash evaporization process and the resulting vapor is utilized to heat steam generator feedwater.
US-9,909,400 Gas separator assembly for generating artificial sump inside well casing
A gas separator assembly generates an artificial sump in a production casing receiving a production tubing string with a downhole pump at the bottom end...
US-9,909,399 Flow device and methods of creating different pressure drops based on a direction of flow
A flow device, includes a flow-through region comprising at least one stage and configured to create a first pressure drop across the flow-through region in...
US-9,909,398 Oilfield material mixing and metering system with auger
An oilfield material reservoir comprises a body and a base connected to and positioned beneath the body. The body has an upper end, a lower end, a sidewall...
US-9,909,397 Methods of fabricating sand control screen assemblies using three-dimensional printing
A method of fabricating a sand control screen assembly includes determining an anatomy of a facsimile sand control screen assembly, the sand control screen...
US-9,909,396 Erosion reduction in subterranean wells
A system for use with a subterranean well can include a tubular string with a fluid discharge apparatus, the fluid discharge apparatus including a curved flow...
US-9,909,395 Wellsite hardfacing with distributed hard phase and method of using same
A hardfacing disposable on a surface of a component, such as a wellsite component, is disclosed. The hardfacing comprises a surface portion and a bottom portion...
US-9,909,394 Device for gripping an object in a constrained space
A gripper assembly for gripping coiled tubing with lower and upper ball carriers. A first gripper portion and a second gripper portion each have a channel for a...
US-9,909,393 Tubing hanger with shuttle rod valve
A completion system for a well includes a tubing hanger movable into a landed position within an internal bore of the completion system. The tubing hanger...
US-9,909,392 Wellbore frac tool with inflow control
An apparatus for fluid treatment of a borehole, the apparatus allowing initial outflow injection of fluids into a wellbore in which it is installed and then is...
US-9,909,391 Device for ensuring continuous circulation in well drilling
A device for ensuring continuous circulation in well drilling comprises a tubular body having an axial channel therein, with a lateral opening closed by a...
US-9,909,390 Stage tool with lower tubing isolation
A stage tool includes an isolation mechanism for isolating the lower bore of a completion string. The isolation mechanism is initially in a deactivated...
US-9,909,389 Dual torsion springs flapper valve closure mechanism
A flapper valve includes a body having first and second end, and a flapper pivotably coupled to the body and movable between a closed position, where the...
US-9,909,388 Pressure indexing sliding side door with rapid actuation
A valve can include a closure device which selectively permits and prevents fluid communication between an interior and an exterior of the valve, an incremental...
US-9,909,387 Semi-autonomous insert valve for well system
Certain aspects and embodiments of the present invention are directed to a semi-autonomous insert valve. The semi-autonomous insert valve includes a body, a...
US-9,909,386 Selector valve for high pressure hydrocarbon production operations
An apparatus for directing a fluid from an inlet to one of a plurality of outlets that are associated with a wellhead assembly includes a block body having a...
US-9,909,385 Rotating wellhead hanger assemblies
Rotating wellhead hanger assemblies are provided. In one embodiment, a wellhead hanger assembly includes a casing hanger and a casing hanger running tool...
US-9,909,384 Multi-actuating plugging device
A plugging device, apparatus, and method. The plugging device includes an expandable member configured to move from a first, retracted position to a second,...
US-9,909,383 Swellable packer with enhanced operating envelope
A swellable packer can include a base pipe, at least one swellable seal on the base pipe, the seal comprising a swellable material, and at least one other...
US-9,909,382 Subsurface wiping plug apparatus, method, and system
In some embodiments, a subsurface wiping plug apparatus includes an internal bore that extends for less than a length of the apparatus. A ported case encloses...
US-9,909,381 High pressure isolation system for well stimulation through production tubing
A fracturing system includes a fracturing spool that mounts onto a wellhead assembly for injecting fracturing fluid into a well beneath the wellhead assembly....
US-9,909,380 System and method for accessing a well
A system and method for accessing a well is disclosed. The system includes a first cap positionable within a bore of a completion member such as a tree or a...
US-9,909,379 Large-width/diameter riser segment lowerable through a rotary of a drilling rig
This disclosure includes auxiliary-line riser segment assemblies (e.g., with isolation units) that are suitable for managed pressure drilling (MPD) and that can...
US-9,909,378 Method for downhole cutting of at least one line disposed outside and along a pipe string in a well, and...
A method is for cutting of at least one line disposed along a pipe string in a well. The method includes (A), using a cutting tool for selective cutting...
US-9,909,377 Underwater drilling device and method for procuring and analyzing ground samples of a bed of a body of water
The invention relates to underwater drilling for procuring and analyzing ground samples of a bed of a body of water. An underwater drilling device placed onto a...
US-9,909,376 Latching assembly for wellbore logging tools and method of use
A latching assembly for wellbore logging tools includes a bottom hole assembly to be disposed on a distal end of a drill string. The bottom hole assembly...
US-9,909,375 Flow controller for use in drilling operations
A system (10) for drilling a borehole (14) in a subterranean formation (16) containing a fluid (18), comprising: an outer tube (24) defining an outer tube...
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