Lord Corporation

National Oilwell Dht, L.p.

John P Smid

Aaron L Hirschmann

Keith R Ptak

Robert H Wittman

Frank J Krakowski

Jonathan M Owens

W Scott Redinger

Gregg Cune

Jonathan James Chukinas

Trent A Geraci

Jonathan Chukinas

Syringe grip clip

The present invention is an apparatus, system and method for use of a mud motor having a bearing assembly, a transmission having torque and thrust transfer couplings with a catch pin interface, a power section, a rotor catch assembly, and a cross over sub-valve.

Mud motor coupling system

The present invention is an apparatus, system and method for use of a mud motor having a bearing assembly a transmission or coupling assembly, a power section, a rotor catch assembly, and a cross over sub-valve wherein the transmission assembly may have a torque and thrust transfer coupling with a safetied joint for contacting universal style joints.

Mud motor apparatus and system

Systems and methods are disclosed that include providing an isolating mule shoe having an integrated axial isolator coupled to a landing sleeve of a drill string at an upper end of the axial isolator. The axial isolator includes an elastomeric component that is coupled between a first component and a second component. The first component and the second component are configured to displace axially with respect to one another as a result of a force imparted upon the landing sleeve to provide vibration control.

Isolating mule shoe

This invention relates to an undersea riser bearing designed to operate at higher temperatures over an extended time frame while maintaining performance advantages of high capacity laminate (HCL) elastomeric composite bearings.

Elevated temperature riser bearing

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Cypress, TX, United States of America

John P Smid