US 12,421,840 B2
Non-intrusive inspection methodology of landing base and surface pipe
Sanjiv Kumar, Udhailiyah (SA); and Muhammad Imran Javed, Abqaiq (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on May 17, 2023, as Appl. No. 18/319,267.
Prior Publication US 2024/0384645 A1, Nov. 21, 2024
Int. Cl. E21B 47/00 (2012.01); E21B 47/007 (2012.01); G01B 21/08 (2006.01)
CPC E21B 47/007 (2020.05) [G01B 21/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for inspecting a wellhead and a casing string, the system comprising:
an equipment platform formed in a ring-like shape having an orifice of a size large enough to fit a circumference of the wellhead or the casing string within the orifice;
an electro-magnetic defectoscopy tool mounted to the equipment platform;
a signal emitter located in the electro-magnetic defectoscopy tool and configured to emit a signal towards the orifice of the equipment platform;
a signal receiver located in the electro-magnetic defectoscopy tool and configured to receive a reflected signal from the wellhead or the casing string; and
a computer processor electronically connected to the signal receiver and configured to receive and use the reflected signal to determine a condition of the wellhead or the casing string.