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. 02, 1996
Filed:
Apr. 21, 1995
Applicant:
Inventor:
Robert J Withers, Plano, TX (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B09B / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
1662501 ; 166 66 ; 405128 ; 588260 ;
Abstract
A system and method for the real-time monitoring of the location (e.g. vertical extent) of a fracture within a waste disposal formation as that fracture is being formed. Acoustical-energy sensors (e.g. geophones) are isolated within the annulus of the well through which the waste material is injected into the formation. This eliminates the need for expensive, dedicated monitor wells while protecting the sensors from the abrasive effects of the injected waste material.