US 11,808,129 B2
Autonomous pressure triggered well livening tool with exothermic nitrogen producing chemistry
Abdulrahman Abdulaziz Al-Mulhem, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Mar. 7, 2022, as Appl. No. 17/653,675.
Prior Publication US 2023/0279763 A1, Sep. 7, 2023
Int. Cl. E21B 43/26 (2006.01); E21B 43/263 (2006.01); E21B 37/00 (2006.01); E21B 34/06 (2006.01)
CPC E21B 43/263 (2013.01) [E21B 34/063 (2013.01); E21B 37/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A wellbore tool, comprising:
a body comprising a port through the body and a first rupture disk disposed on the body and covering the port,
the body defining a first interior chamber and a second interior chamber, with a liquid-permeable membrane separating the first interior chamber and the second interior chamber within the body,
wherein the liquid-permeable membrane is one or more material selected from the group consisting of solid glass and plastic, and
wherein the body is configured to retain a first solid reactant in the first interior chamber and a second solid reactant in the second interior chamber,
wherein the first rupture disk is configured to rupture at a pressure differential downhole.