System and Method for Downhole Signal Enhancement

摘要

A system and method for downhole signal enhancement. The system includes a downhole tool having one or more sensors coupled thereto. The one or more sensors may measure internal pressure and one or more parameters selected from the group consisting of external pressure, pressure sensor temperature, weight on bit, torque on bit, bending moment, roll gyro, tangential acceleration, radial acceleration, and axial acceleration. A noise estimator may be coupled to the downhole tool and estimate a downhole noise component in the one or more parameters. A telemetry modulator may be coupled to the downhole tool and generate a signal that includes the estimated downhole noise component and a telemetry component. The downhole noise component in the signal may be reduced based at least partially upon the estimate.

主权项

1. A system for downhole signal enhancement, comprising:
a downhole tool having one or more sensors coupled thereto, wherein the one or more sensors are adapted to measure internal pressure and one or more parameters selected from the group consisting of external pressure, pressure sensor temperature, weight on bit, torque on bit, bending moment, roll gyro, tangential acceleration, radial acceleration, and axial acceleration; a noise estimator coupled to the downhole tool and adapted to estimate a downhole noise component in the one or more parameters; and a telemetry modulator coupled to the downhole tool and adapted to generate a signal, wherein the signal includes the estimated downhole noise component and a telemetry component, and wherein the downhole noise component in the signal is reduced based at least partially upon the estimate.