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:
May. 01, 2018
Filed:
Nov. 23, 2011
Applicant:
Jorgen Hallundbæk, Græsted, DK;
Inventor:
Jorgen Hallundbæk, Græsted, DK;
Assignee:
WELLTEC A/S, Allerod, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01); E21B 44/02 (2006.01); E21B 23/00 (2006.01); E21B 47/16 (2006.01);
U.S. Cl.
CPC ...
E21B 44/02 (2013.01); E21B 23/00 (2013.01); E21B 47/16 (2013.01); E21B 2023/008 (2013.01);
Abstract
The present invention relates to a downhole system () comprising a casing () having an inner wall. Furthermore, the downhole system comprises a wireless unit () which is movable within the casing, comprising driving means () in the form of wheels and at least one battery pack () comprising at least one battery for powering an electrical motor () driving a pump () driving the wheels to rotate along the inner wall of the casing, wherein the downhole system further comprises a well head () having a sound detection device () for detecting vibrations in the casing, e.g. caused by the driving means or an operation performed by the wireless unit.