IP Library › Granted Patent US 12,410,691
Granted Patent B2
US 12,410,691 · App. 18/515,465 · Granted Sep 9, 2025

Apparatus and method for milling openings in an uncemented blank pipe

Inventors: Ahmed A. Al Sulaiman (Dammam, SA); Feras Hamid Rowaihy (Dhahran, SA); Mamdouh N. Al-Nasser (Dhahran, SA); Suresh Jacob (Dhahran, SA)
Assignee: Saudi Arabian Oil Company
E21B43/12E21B23/01E21B29/06E21B33/12E21B43/14E21B49/0875
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Quick Facts
Patent No.
US 12,410,691
App. No.
18/515,465
Granted
Sep 9, 2025
Kind
B2
Abstract

This disclosure relates to an inflow control system having an apparatus configured to form or plug openings in a blank pipe. The apparatus includes a housing and a milling sub-system. The housing has a cylindrical wall with an outer surface. The milling sub-system is mounted to a first side of the wall and is configured to mill an opening in the blank pipe. The milling sub-system includes a bit configured to form an opening in the blank pipe and at least one brace attached to a second side of the wall opposite the first side of the wall. The at least one brace is configured to extend radially from the second side of the wall to press the bit to the inner surface of the blank pipe.

Claims (16)

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.

2. The method according to claim 1 , wherein actuating the plug sub-system of the apparatus to cover the opening in the at least one section of the blank pipe comprises actuating the plug sub-system of the apparatus to cover an inflow control device in the blank pipe.

3. The method according to claim 1 , wherein the opening is 20 mm to 300 mm in diameter.

4. The method according to claim 1 , further comprising:

identifying, based on the analyzed wellbore data, areas of the formation with an estimated water cut between 0% and 20%, and

detecting a second portion of the blank pipe arranged in the identified areas of the formation with an estimated water cut between 0% and 20%.

5. The method according to claim 1 , further comprising:

receiving, during the inflow of water from the formation into the blank pipe, production data from a sensor arrangement of the apparatus, wherein the production data comprises measurements indicative of a measured water cut of the areas of the formation;

identifying an area of the formation that has a measured water cut of at least 50%; and

actuating the alignment sub-system to align the apparatus with portions of the blank pipe arranged in the identified area of the formation that have the measured water cut of at least 50%.

6. The method according to claim 5 , further comprising actuating the plug sub-system to close an opening and/or inflow control device in the portion of the blank pipe arranged in the area of the formation that has a measured water cut of at least 50%.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 15, 2023
From: AL SULAIMAN, AHMED A.; ROWAIHY, FERAS HAMID; AL-NASSER, MAMDOUH N.; JACOB, SURESH
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 065883/0627 →
Continuity (2)
Division 17208525 · Mar 22, 2021
Related Publication 20240084679A1 · Mar 14, 2024
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Cited By (1)
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