US 12,110,759 B2
Equipment for self-abandonment of wells
Luis Carlos Marques Pires, Rio de Janeiro (BR); and Danilo Colombo, Rio de Janeiro (BR)
Assigned to Petróleo Brasileiro S.A.—Petrobras, Rio de Janeiro (BR)
Filed by Petróleo Brasileiro S.A.—Petrobras, Rio de Janeiro (BR)
Filed on Dec. 8, 2022, as Appl. No. 18/077,554.
Claims priority of application No. 10 2021 024965 0 (BR), filed on Dec. 9, 2021.
Prior Publication US 2023/0184054 A1, Jun. 15, 2023
Int. Cl. E21B 33/13 (2006.01); E21B 47/12 (2012.01)
CPC E21B 33/13 (2013.01) [E21B 47/12 (2013.01)] 7 Claims
OG exemplary drawing
 
1. Equipment for self-abandonment of a well, comprising;
an internal casing having a wall of a same diameter and technical specification as a production string or injection string;
data and power cables;
a permanent barrier casing case;
a reaction initiator along an outer surface of the wall of the internal casing;
an energetic material case encircling the internal casing and coupled to the reaction initiator; and
an energetic material housed within the energetic material case.