Xr Lateral LLC

Xr Reserve LLC

Xr Downhole LLC

Pi Tech Innovations LLC

Other

Xr Dynamics LLC

David P Miess

Gregory Prevost

Michael R Reese

Edward C Spatz

Michael V Williams

William W King

James Dudley

Michael Williams

Michael V William

A radial bearing assembly is provided. The radial bearing assembly includes polycrystalline diamond elements, each having an engagement surface in sliding engagement with an opposing engagement surface. The opposing engagement surface includes a diamond reactive material. The radial bearing assembly may be deployed in a variety of components and applications, including in rotor and stator assemblies. Also provided are methods of use of the radial bearing assembly, as well as methods of designing the radial bearing assembly.

Polycrystalline diamond radial bearing

A downhole tool for use in a downhole drill string is provided. The downhole tool includes a rotor movably coupled within a stator, and a drive shaft movably coupled within a bearing housing. The drive shaft has a first end coupled with the rotor and a second end coupled with a drill bit. Bearing assemblies interfaces engagement between the drive shaft and the bearing housing, including polycrystalline diamond elements, each with an engagement surface, and an opposing engagement surface of a non-superhard metal.

Downhole drilling tool with a polycrystalline diamond bearing

A roller ball assembly is provided. The assembly includes a primary roller ball supported by a support element that is composed of a superhard material. The assembly includes a cup defining a cavity within which the support element is positioned. A cap is coupled with the cup and positioned to retain the primary roller ball within the cavity. Also, a cup is disclosed for supporting roller halls. Additionally, disclosed are system and apparatus incorporating the assembly, as well as to methods of making and using the same.

Roller ball assembly with superhard elements

Directional drilling is an extremely important area of technology for the extraction of oil and gas from earthen formations. The technology of the present application relates to improved non-stabilizer guidance positioning members for directional drilling assemblies and for drill strings. It also relates to an improved method for analyzing the fit and engagement of a directional drilling assembly in curved and straight wellbores in order to produce improved guidance positioning members. It also relates to a method of designing guidance positioning members for directional drilling. It also relates to drilling directional wellbores using the guidance positioning members of the present technology.

Method, apparatus by method, and apparatus of guidance positioning members for directional drilling

Methods and apparatus for providing compliance in bearings of rotating machinery are provided. The rotating machinery may include a drive shaft movably coupled within a bearing housing. Compliant bearing assemblies may interface engagement between the drive shaft and the bearing housing, including polycrystalline diamond bearing elements, each with an engagement surface, and an opposing engagement surface of a metal that contains diamond solvent-catalyst.

Polycrystalline diamond bearings for rotating machinery with compliance

A cam follower is provided. The cam follower includes a polycrystalline diamond element, including an engagement surface. The engagement surface of the polycrystalline diamond element is positioned on the cam follower for sliding engagement with an opposing engagement surface of a cam. The cam includes at least some of a diamond reactive material.

Cam follower with polycrystalline diamond engagement element

Methods, systems, and apparatus for imparting and limiting hypocycloidal, lateral, and torsional forces onto drill bits are provided, including hypocycloidal bearings for limiting hypocycloidal motion, lateral impulse mechanisms for imparting lateral movement to a drill bit, and torsional impulse mechanisms for imparting torsional movement to a drill bit. The methods systems, and apparatus may decrease friction, increase drilling efficiency, and provide additional benefits to drilling systems.

Dynamic drilling systems and methods

An apparatus is provided that includes a diamond bearing surface positioned in sliding engagement with an opposing bearing surface of a diamond reactive material. The opposing bearing surface is hardened via a material treatment.

Material treatments for diamond-on-diamond reactive material bearing engagements

The present disclosure includes sucker rod strings, pipe protectors, and tool joints having polycrystalline diamond elements positioned thereon to interface engagement with other surfaces in downhole applications. The polycrystalline diamond elements can be positioned on sucker rod guides, sucker rod couplers, pipe protectors, and tool joints.

Sucker rod couplings and tool joints with polycrystalline diamond elements

Linear bearings assemblies are provided that include polycrystalline diamond bearing surfaces that are engaged with diamond solvent-catalyst bearing. Also provided are methods of making and using linear bearing assemblies.

Growing community of inventors

Spring, TX, United States of America

David P Miess