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:
Jan. 09, 2001
Filed:
Jul. 15, 1998
Charles G. Brunet, Houston, TX (US);
Michel J. Bouchard, Houston, TX (US);
Other;
Abstract
An oil field assembly for gathering data about or producing an oil well having a self regulating assembly for free movement by gravity or the differential pressure of fluids in the tubing string of a well from the surface of a well or to predetermined down hole positions for collecting data and or producing a well while freely moving between the surface of the well and predetermined positions comprising a self regulating traveling piston for free movement by gravity and or the differential pressure of the fluids of a well from the surface of a well and to predetermined positions for collecting data about a well between the surface and predetermined downhole positions, and having instrumentation connected to the traveling piston for gathering data about the well, and a landing housing located at the surface of a well for receiving the traveling piston, and a receiving station at the bottom of the tubing string for releasably receiving the traveling piston.