The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2001
Filed:
Dec. 03, 1997
Harrison C. Smith, Anna, TX (US);
Halliburton Energy Services, Inc., Dallas, TX (US);
Abstract
A system and method of fail safe communication of information between surface equipment and downhole equipment are disclosed. The system comprises two or more repeaters (,) disposed within a wellbore (,) such that two repeaters (,) will receive each signal carrying information that is telemetered. The repeater (,) that is farther from the source (,) will include a memory device (,) that stores the information carried in the signal. A timer device (,) also in the repeater (,) that is farther from the source (,) will trigger the retransmission of the information after a predetermined time period unless the repeater (,) that is farther from the source (,) has detected a signal carrying the information generated by the repeater (,) that is closer to the source (,).