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:
Jun. 24, 2025

Filed:

Sep. 15, 2021
Applicants:

Joern Koeneke, Burgdorf, DE;

Matthew Forshaw, Celle, DE;

Thomas Dahl, Schwuelper, DE;

Inventors:

Joern Koeneke, Burgdorf, DE;

Matthew Forshaw, Celle, DE;

Thomas Dahl, Schwuelper, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 30/20 (2020.01); E21B 23/14 (2006.01); E21B 37/00 (2006.01); E21B 47/00 (2012.01); G08B 21/18 (2006.01);
U.S. Cl.
CPC ...
E21B 47/00 (2013.01); E21B 23/14 (2013.01); E21B 37/00 (2013.01); G08B 21/18 (2013.01); E21B 2200/20 (2020.05);
Abstract

A method and apparatus for performing an operation in a wellbore penetrating the earth's formation. The apparatus includes a string and a first processor. The string is disposed in the wellbore. The first processor determines, by using a first friction test at a first friction test time, a first friction parameter between a first selected subregion and the wellbore and a second friction parameter between a second selected subregion and the wellbore.


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