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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.:

US 11235472 B1

PDFFull Text
Date of Patent:
Feb. 01, 2022

Filed:

Mar. 13, 2020

Underwater pipeline inspection crawler

Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Ammar Al Nahwi, Dhahran, SA;

Fadl Abdellatif, Thuwal, SA;

Ali Outa, Gilching, DE;

Ihsan Al-Taie, Dhahran, SA;

Assignee:

Saudi Arabian Oil Company, Dhahran, SA;

Attorney:

Leason Ellis LLP

Primary Examiner:

Helen C Kwok

Int. Cl.
CPC ...
B25J 15/00 (2006.01); B08B 1/00 (2006.01); B08B 3/02 (2006.01); B08B 9/023 (2006.01); B63C 11/52 (2006.01); F16L 1/26 (2006.01); B63G 8/00 (2006.01); B63H 19/08 (2006.01); F16H 19/08 (2006.01); B63G 8/14 (2006.01); B23K 31/12 (2006.01); B63G 8/42 (2006.01); G01B 17/02 (2006.01); G01N 29/22 (2006.01); G01N 29/04 (2006.01); B25J 9/00 (2006.01); B63C 11/42 (2006.01); E21B 41/04 (2006.01); F16H 35/18 (2006.01); F16H 1/22 (2006.01); F16L 55/00 (2006.01); B62D 57/00 (2006.01); F16H 1/16 (2006.01); F16H 37/04 (2006.01);
U.S. Cl.
CPC ...
B25J 15/0028 (2013.01); B08B 1/00 (2013.01); B08B 3/024 (2013.01); B08B 9/023 (2013.01); B23K 31/125 (2013.01); B25J 9/0009 (2013.01); B25J 15/0009 (2013.01); B63C 11/42 (2013.01); B63C 11/52 (2013.01); B63G 8/001 (2013.01); B63G 8/14 (2013.01); B63G 8/42 (2013.01); B63H 19/08 (2013.01); E21B 41/04 (2013.01); F16H 19/08 (2013.01); F16H 35/18 (2013.01); F16L 1/26 (2013.01); F16L 1/265 (2013.01); G01B 17/02 (2013.01); G01N 29/04 (2013.01); G01N 29/225 (2013.01); B62D 57/00 (2013.01); B63G 8/00 (2013.01); B63G 2008/002 (2013.01); B63G 2008/005 (2013.01); B63G 2008/008 (2013.01); F16H 1/16 (2013.01); F16H 1/222 (2013.01); F16H 37/041 (2013.01); F16H 2019/085 (2013.01); F16L 55/00 (2013.01); G01N 2291/0234 (2013.01); G01N 2291/02854 (2013.01); G01N 2291/2675 (2013.01);
Abstract

An inspection crawler, and systems and methods for inspecting underwater pipelines are provided. The system includes the inspection crawler having a housing with a first side, an opposing second side, a power source, and a controller. The crawler includes an inspection tool, at least two pairs of latching arms, each latching arm including a rolling element, and at least two pairs of driving wheels. The system also includes at least one communication unit configured to communicate with the inspection crawler and to communicate aerially with one or more remote devices and, and at one sea surface unit. The inspection crawler can further include a connecting structure connecting the front and back portions of the crawler, and configured to elongate and shorten the inspection crawler.

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