Method and system for controlling a well service rig based...

Details Method and system for controlling a well service rig based... Method and system for controlling a well service rig based...

2011-03-29

2011-03-29

Feliciano, Eliseo Ramos (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Earth science

C166S077100, C254S264000

Reexamination Certificate

active

07917293

ABSTRACT:
The present invention is directed to methods for controlling the operations of a well service rig at a well site by evaluating load sensor data obtained from sensors on or associated with the well service rig. A rig load data chart can be reviewed and an average rig load can be determined for each pull of tubing or rods from a well. The average rig load can be used to calculate and set a rig overload level. If the rig load sensor reads a rig load at or above the rig overload level, the clutch for the hoist can be disengaged and the brake applied to prevent the load from either damaging the rig or breaking off the tubing or rods in the well. In addition, the rig load can be evaluated to determine when the limit the block speed when pulling rods or tubing.

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Baumert et al., Real-Time Monitoring for Quality Delivery of Directional Drilling Installations, Mar. 2003, Journal of Infrastructure Systems, ASCE, pp. 35-43.

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