US 11,851,977 B2
Drilling stabilizers with dissolvable windows for controlled release of chemicals
Jothibasu Ramasamy, Dhahran (SA); Chinthaka Pasan Gooneratne, Dhahran (SA); and Jianhui Xu, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Dec. 3, 2021, as Appl. No. 17/541,808.
Prior Publication US 2023/0175347 A1, Jun. 8, 2023
Int. Cl. E21B 33/134 (2006.01); E21B 29/02 (2006.01); E21B 33/138 (2006.01); E21B 17/10 (2006.01); E21B 21/00 (2006.01)
CPC E21B 33/134 (2013.01) [E21B 17/1078 (2013.01); E21B 29/02 (2013.01); E21B 33/138 (2013.01); E21B 21/003 (2013.01); E21B 2200/08 (2020.05)] 13 Claims
OG exemplary drawing
 
1. A method for performing a downhole operation requiring a release of chemicals downhole, the method comprising the steps of:
inserting a drilling stabilizer into a target area of a wellbore, the wellbore having a wellbore environment, wherein the drilling stabilizer comprises:
a stabilizer body;
stabilizer teeth protruding from the stabilizer body, the stabilizer teeth comprising a chemical compartment and a compartment opening, wherein the chemical compartment is operable to hold a first chemical composition and the compartment opening is an aperture operable to allow the first chemical composition to move into and out of the chemical compartment; and
a window, the window overlaying the compartment opening such that the window temporarily seals the chemical compartment preventing release of the first chemical composition, wherein the window comprises a dissolvable component;
dissolving the windows; and
releasing the first chemical composition into the wellbore.