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US 2008/0165026 A1Published application
Hole depth sensing
AssigneeSchlumberger Technology Corporation
InventorGeoff Downton
Life of this patent
Estimating the term…
Abstract
A method of sensing and transmitting hole depth information comprises monitoring, at the surface, the extension of the hole as drilling progresses, determining when the hole depth has extended by a predetermined distance, and sending an increment signal to a telemetry device.
Claims6
A method of sensing and transmitting hole depth information comprising monitoring, at the surface, the extension of the hole as drilling progresses, determining when the hole depth has extended by a predetermined distance, and sending an increment signal to a telemetry device.
Dependencies are inferred from the claim text.