Drilling system and method of using same
OwnerLuc Charlandinventor
Life of this patent
Estimating the term…
Abstract
A drilling system having retractable wings and method of using same. The system includes at least one wing, which can extend from the system once it engages in a casing and abuts against an abutment ring at the bottom end of the casing. When the system starts drilling a hole into the ground, the casing is installed down the hole. In one configuration, the at least one wing is at least partially retracted into the drilling system and locked in this position. In another configuration, the at least one wing extends from the drilling system and locks into an extended position. The system can be connected to a down-the-hole hammer, a top-hammer drilling rod, or any other suitable rock drilling tool/apparatus, and can be used with a single and a dual rotary drilling tool/apparatus.
Claims31
A drilling system to drill a hole in the ground, the drilling system comprising:
- a first member;
- a second member;
- and
- a retention system comprising a connection to connect the first member and the second member in:
- a first locked position wherein the retention system retains the first member and the second member from substantially moving relative to one another along a longitudinal axis of the drilling system and in a first rotational direction of the drilling system, and wherein the first member and the second member can move relative to one another in a second rotational direction of the drilling system to disengage from the first locked position;
- and
- a second locked position wherein the retention system retains the first member and the second member from substantially moving relative to one another along the longitudinal axis of the drilling system and in the first rotational direction of the drilling system, and wherein the first member and the second member can move relative to one another in the second rotational direction of the drilling system to disengage from the second locked position.
A drilling system to drill a hole in the ground, the drilling system comprising:
- a first member;
- a second member;
- a retention system comprising a connection to connect the first member and the second member in a first locked position wherein the retention system retains the first member and the second member from substantially moving relative to one another along a longitudinal axis of the drilling system and in a first rotational direction of the drilling system, wherein the first member and the second member can move relative to one another in a second rotational direction of the drilling system to disengage from the first locked position;
- and
- a retractable wing, wherein the retractable wing is configured to be retracted when the first member and the second member are in the first locked position.
A drilling system to drill a hole in the ground, the drilling system comprising:
- a first member;
- a second member;
- a retention system comprising a connection to connect the first member and the second member in a first locked position and a second locked position, wherein the retention system retains the first member and the second member from substantially moving relative to one another along a longitudinal axis of the drilling system and in a first rotational direction of the drilling system, wherein the first member and the second member can move relative to one another in a second rotational direction of the drilling system to disengage from the first locked position;
- and
- a retractable wing, wherein the retractable wing is configured to be retracted when the first member and the second member are in the first locked position and to be expanded when the first member and the second member are in the second locked position.
Dependencies are inferred from the claim text.