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

Claim 0:
1. A system comprising:
a milling assembly comprising a mill bit and a drill string configured to mill a new wellbore section; and
a whipstock assembly comprising:
a reamer shoe configured to ream an obstruction in a wellbore;
a whipstock configured to deflect the milling assembly away from the wellbore; and
a bypass valve mechanism configured to regulate a fluid flowing from the whipstock to the reamer shoe, the bypass valve mechanism comprising:
a gate;
a spring; and
a plurality of valve openings;

wherein the milling assembly is fluidly connected to the whipstock assembly; and
wherein the gate of the bypass valve mechanism is configured to close the plurality of valve openings when a force caused by a pressure change of the fluid is applied on the spring.