Citadel Casing Solutions LLC

Halliburton Energy Services, Inc.

Gary J Makowiecki

Henry Eugene Rogers

Frank Vinicio Acosta

Carlos A Valdez

Donald R Smith

Todd Anthony Stair

Daniel Lee Schmidt

Phillip David Standifer

Donald Wayne Winslow

Nicolas A Rogozinski

A plug for use in wellbore operations includes a plug body extending from a top end to a bottom end; a sealing member as part of the plug body and positioned at the bottom end; and a non-rotating profile positioned at the bottom end of the plug body; the sealing member protrudes past the non-rotating profile such that the sealing member comes into contact with a surface when the plug is dropped into a well before the non-rotating profile.

Wellbore plug and wellbore assembly with plug having a passive non-rotation mechanism

A tool and method for selectively allowing a transmission of torque to a casing string at a position below installation of the tool along the casing string. The tool includes an upper body to engage with an upper portion of a casing string, a lower body to engage with a lower portion of a casing string, and a swivel assembly connecting the upper body to the lower body, the swivel assembly is to operate in multiple configurations such that the upper body and the lower body are selectively locked together to allow or prevent torque transmission through the tool from the upper portion of the casing string to the lower portion of the casing string.

Integral swivel for multiple stage cementing tools apparatus and method of use

Growing community of inventors

Spring, TX, United States of America

Gary J Makowiecki