US Patent:
20210123317, Apr 29, 2021
Inventors:
- Houston TX, US
Ishwar Dilip Patil - Spring TX, US
Mayur Narain Ahuja - Friendswood TX, US
Lonnie Carl Helms - Humble TX, US
Clayton Reed Bonn - Alvin TX, US
International Classification:
E21B 33/12
E21B 29/02
Abstract:
A downhole apparatus has a casing string and a degradable plug positioned in the casing string to block flow therethrough. An upper membrane covers an upper end of the degradable plug. The upper membrane is made up of a plurality of separable membranes. A lower membrane covers a lower end of the degradable plug and is comprised of a plurality of separable membranes.