US 12,305,463 B2
Methods and apparatus for retrieving a wireline using a release sub
Muhammad Imran Javed, Abqaiq (SA); and Akram R. Al-Barghouti, Dammam (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Oct. 26, 2023, as Appl. No. 18/495,252.
Prior Publication US 2025/0137339 A1, May 1, 2025
Int. Cl. E21B 23/00 (2006.01); E21B 31/113 (2006.01); E21B 31/12 (2006.01)
CPC E21B 31/125 (2013.01) [E21B 23/00 (2013.01); E21B 31/113 (2013.01)] 18 Claims
OG exemplary drawing
 
11. A downhole tool device, the downhole tool device comprising:
a release sub attachable between a first section of a downhole tool and a second section of the downhole tool, and configured to detach the first section of the downhole tool from the second section of the downhole tool, the release sub including:
a first portion including:
a threaded pin;
an electric motor configured to rotate the threaded pin; and
a first shear pin opening;
a second portion including:
a threaded box; and
a second shear pin opening,
wherein the threaded pin is securable to the threaded box by rotating the threaded pin relative to the threaded box, and
wherein the downhole tool comprises a shear pin extending into both the first shear pin opening and the second shear pin opening to secure the first portion to the second portion.