Method, system, and medium for controlling rate of a penetration of a drill bit
AssigneePason Systems Corp.
InventorsQUINN HARRISON HEPBURN, TREVOR LEIGH HOLT
Life of this patent
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Abstract
Methods, systems, and techniques for controlling the rate of penetration of a drill bit are described. In particular, an operate control loop is evaluated by: determining a travelling block acceleration of a travelling block; determining an acceleration error measurement between the travelling block acceleration and a target travelling block acceleration; determining, based on the acceleration error measurement, a brake control signal; and using the brake control signal to control a braking mechanism configured to apply a variable braking force to the travelling block
Claims20
A method for controlling rate of penetration of a drill bit, the method comprising:
- evaluating an operate control loop by:
- determining a travelling block acceleration of a travelling block;
- determining an acceleration error measurement between the travelling block acceleration and a target travelling block acceleration;
- determining, based on the acceleration error measurement, a brake control signal;
- and
- using the brake control signal to control a braking mechanism configured to apply a variable braking force to the travelling block.
A system for controlling rate of penetration of a drill bit, the system comprising:
- a braking mechanism configured to apply a variable braking force to a travelling block;
- a processor;
- a computer-readable medium communicatively coupled to the processor and having stored thereon computer program code configured when executed by the processor to cause the processor to perform a method comprising:
- evaluating an operate control loop by:
- determining a travelling block acceleration of the travelling block;
- determining an acceleration error measurement between the travelling block acceleration and a target travelling block acceleration;
- determining, based on the acceleration error measurement, a brake control signal;
- and
- using the brake control signal to control the braking mechanism.
Dependencies are inferred from the claim text.