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.

Date of Patent:
Aug. 21, 2018

Filed:

Mar. 27, 2015
Applicant:

Sensor Developments As, Sandefjord, NO;

Inventor:

Øivind Godager, Sandefjord, NO;

Assignee:

HALLIBURTON AS, Tananger, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/00 (2006.01); E21B 47/06 (2012.01); E21B 47/12 (2012.01); E21B 47/01 (2012.01);
U.S. Cl.
CPC ...
E21B 49/006 (2013.01); E21B 47/01 (2013.01); E21B 47/011 (2013.01); E21B 47/06 (2013.01); E21B 47/065 (2013.01); E21B 47/12 (2013.01);
Abstract

A Wellbore stress meter system and method for determining wellbore formation instability, comprising a first load cell, a first pressure sensor with a pressure output signal, a wireless communication system, a cable, and a surface device, said first load cell comprises; a second pressure sensor with a stress output signal, a cell element comprising a fluid, a first interface element in a first end of said first load cell with fluidly separated first and second surfaces wherein said first surface is in fluid communication with said fluid, and said first interface element moves relative said cell element as a function of a force applied on said first surface, and compresses said fluid acting on said second pressure sensor.


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