Patent ID: 11933174
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 9:
10. A method comprising:
running a whipstock assembly fluidly connected to a milling assembly into a wellbore to a desired depth;
regulating, by a bypass valve mechanism of the whipstock assembly, a fluid flowing through the whipstock assembly, the bypass valve mechanism comprising:
a gate;
a spring; and
a plurality of valve openings;

reaming, by a reamer shoe of a whipstock assembly, an obstruction in the wellbore;
closing, by the gate of the bypass valve mechanism, the plurality of valve openings when a force caused by a pressure change of the fluid is applied on the spring;
deflecting, by a whipstock of the whipstock assembly, the milling assembly away from the wellbore; and
milling, by a mill bit of the milling assembly, a new wellbore section away from the wellbore.