Tractor traction control for cased hole
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United States of America Patent
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Jan 23, 2018
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N/A
app pub date -
Nov 26, 2014
filing date -
Nov 26, 2014
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Abstract
Traction for a downhole tractor in a wellbore. A downhole propulsion system can provide a first traction module; a second traction module; and a controller configured to compare a first input parameter representing operation of the first traction module with a second input parameter representing operation of the second traction module. The controller can adjust a first output parameter of the first traction module and/or a second output parameter of the second traction module based on an input representing slip of the first traction module relative to the second traction module.
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