US Patent 7916041 Hole depth sensing

Patent 7916041 was granted and assigned to Schlumberger on March, 2011 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Schlumberger

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79160410

Patent Inventor Names

Geoff Downton0

Date of Patent

March 29, 2011

Patent Application Number

119596450

Date Filed

December 19, 2007

Patent Primary Examiner

‌

Timothy Edwards, Jr.

Patent abstract

A method of sensing and transmitting hole depth information comprises monitoring, at the surface, the extension of the hole as drilling progresses, determining when the hole depth has extended by a predetermined distance, and sending an increment signal to a telemetry device.