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:
May. 27, 2025

Filed:

May. 23, 2023
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Opeyemi Adewuya, Dhahran, SA;

Hasan Mugabgab, Dhahran, SA;

Abdullah Atiyah, Dhahran, SA;

Yousif Abu Ahmad, Dhahran, SA;

Mohammed Ghamdi, Dhahran, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/10 (2006.01); E21B 33/04 (2006.01);
U.S. Cl.
CPC ...
E21B 43/10 (2013.01); E21B 33/04 (2013.01);
Abstract

A wellbore system includes a mudline suspension system arranged to provide a pressure rating sufficient for performing operations within a wellbore. The wellbore system includes a conductor pipe installed through a subaquatic surface location, and at least one casing string hung from an interior of the conductor pipe into the wellbore. A split casing string extends through the at least one casing string, includes a downhole liner portion hung from a lower end of the at least one casing string and an uphole tieback portion sealed to an interior surface of the lower liner portion. A wellhead supports the split casing string, wherein the upper tieback portion of the split casing string is hung from the wellhead.


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