Patent ID: 11939839
Assignee: HALLIBURTON MANUFACTURING AND SERVICES LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A downhole apparatus having a tubular body having first and second ports in a wall thereof, wherein the valve arrangement comprises:
a first valve arrangement including a first valve member associated with the first port of the tubular body; and
a second valve arrangement including a second valve member associated with the second port of the tubular body,
wherein the first valve arrangement and the second valve arrangement are configurable to,
lock in a first locked configuration with the tubular body, such that the first port is closed and the second port is closed;
lock in a second locked configuration with the tubular body, such that the first port is open to allow an activation fluid to flow into an activation chamber configured to expand and place the down hole apparatus in contact with a wall of a wellbore, and the second port is closed; and
lock in a third locked configuration with the tubular body, such that the first port is closed to the activation chamber and the second port is open to allow reservoir fluid into the tubular body.