US 12,410,691 B2
Apparatus and method for milling openings in an uncemented blank pipe
Ahmed A. Al Sulaiman, Dammam (SA); Feras Hamid Rowaihy, Dhahran (SA); Mamdouh N. Al-Nasser, Dhahran (SA); and Suresh Jacob, Dhahran (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Nov. 21, 2023, as Appl. No. 18/515,465.
Application 18/515,465 is a division of application No. 17/208,525, filed on Mar. 22, 2021, granted, now 11,859,472.
Prior Publication US 2024/0084679 A1, Mar. 14, 2024
Int. Cl. E21B 43/12 (2006.01); E21B 23/01 (2006.01); E21B 29/06 (2006.01); E21B 33/12 (2006.01); E21B 43/14 (2006.01); E21B 49/08 (2006.01)
CPC E21B 43/12 (2013.01) [E21B 23/01 (2013.01); E21B 29/06 (2013.01); E21B 33/12 (2013.01); E21B 43/14 (2013.01); E21B 49/0875 (2020.05)] 6 Claims
OG exemplary drawing
 
1. A method to reduce an inflow of water into an uncemented blank pipe, the method comprising:
analyzing, prior to the inflow of water from a formation into the blank pipe, wellbore data to estimate water cut of areas of the formation,
identifying areas of the formation with an estimated water cut of at least 50%,
detecting at least one portion of the blank pipe arranged in the identified areas of the formation with the estimated water cut of at least 50%,
actuating an alignment sub-system of an apparatus to align with the at least one portion of the blank pipe, and
actuating a plug sub-system of an apparatus to cover an opening in the at least one section of the blank pipe.