Patent ID: 11933126
Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A drill string, comprising:
a ball dropping tool, the ball dropping tool including:
an outer body having a first end, a second end, and an axial bore extending between the first end and the second end of the outer body and forming a flow path;
an inner body having a first end and a second end and forming a bypass passage extending between the first end and the second end of the inner body;
a side bore defined by the inner body and angled relative to the axial bore of the outer body, wherein the bypass passage is in a portion of the flow path and in communication with the side bore;
a ball within the side bore; and
an actuator within the outer body, the actuator being moveable between a retaining position wherein the ball is retained within the side bore and a release position wherein the ball is released from the side bore and into the bypass passage; and

a ball-operated tool adapted to be positioned to receive the ball from the ball dropping tool and arranged to actuate in response to receiving the ball.