Weatherford Technology Holdings, LLC

John Ownby

Bjoern Thiemann

Jobby T Jacob

Matthew Knight

Eric R Evans

Rupa Sharma

Martin Liess

Frank Wern

Christina Hebebrand

Aicam Zouhair

Richard Lee Giroux

Karsten Heidecke

Federico Amezaga

Larry A Kendziora

Scott McIntire

Rajesh D Patel

Richard Alastair Howard Dalzell

Richard Dalzell

Robert B Marcel, Jr

Jake M Boudreaux

A first RFID tag arrangement for actuating a downhole tool includes a non-metallic housing enclosing a passive RFID tag, power source, pulsed oscillator circuit, and energizer coil. The pulsed oscillator circuit drives the energizer coil to stimulate and activate the tag such that it can be read by an external reader. A second RFID tag arrangement includes a non-metallic housing enclosing a power source, a transmission circuit, and a transmitter coil. The transmission circuit can drive the transmitter coil to transmit a payload stored in the transmission circuit such that the payload is delivered to an external reader. A method of actuating a downhole tool includes placing the tool's RFID tag reader in listen only mode, introducing into the wellbore an active RFID tag that transmits its payload to the reader, and optionally configuring the reader to reprogram the tag when it receives the payload therefrom.

Active RFID tag arrangements for actuation of downhole equipment in well fluids

A modular top drive system for construction of a wellbore includes an identification reader for automatically identifying tools during operation for rig up and tool exchange. The identification reader may be disposed in one of a tool storage unit, a tool change unit or a top drive unit. Drilling tools, cementing tools and casing tools with one or more identification devices may be used with the modular top drive system. The one or more identification devices may be radio frequency identification devices, barcodes, text tags, micro-controllers, or combinations thereof.

Tool identification

A modular top drive system for construction of a wellbore includes an alignment assembly configured to align a tool with a top drive unit to facilitate automatic tool installation during rig up.

Tool detection and alignment for tool installation

A system includes an accessory tool selected from a group consisting of a casing unit, a cementing unit, and a drilling unit; and a genset mounted to the accessory tool and comprising: a fluid driven motor having an inlet and an outlet for connection to a control swivel of the system; an electric generator connected to the fluid driven motor; a manifold having an inlet for connection to the control swivel and an outlet connected an accessory tool actuator; and a control unit in communication with the electric generator and the manifold and comprising a wireless data link.

Genset for top drive unit

A system for operating a downhole tool includes a tag carrier; a RFID tag coupled with the tag carrier; and a control sub having a bore extending therethrough, the control sub comprising: an antenna located adjacent to the bore; and a stop for catching the tag carrier, wherein: the radio frequency identification tag is coupled with the tag carrier in relation to the stop and the antenna such that the radio frequency identification tag is aligned with the antenna when the tag carrier is caught in the stop, and the stop is operable to allow passage of the tag carrier through the stop after the tag carrier is caught by the stop.

Radio frequency identification tag delivery system

Embodiments of the invention generally relate to a tubular handling tool. The tool may include a base and a ring or sleeve member. The tool may further include an actuation member configured to move or rotate the ring or sleeve member relative to the base. Additionally, the tool may include a clamp or dog member attached to the base. The clamp or dog member is configured to move between a radially retracted position and a radially extended position as the ring or sleeve member moves or rotates relative to the base.

Tubular handling tool

Growing community of inventors

Houston, TX, United States of America

John Ownby