Drilling apparatus with dynamic cuttings removal and cleaning
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 29, 1997
Grant Date -
N/A
app pub date -
Mar 17, 1995
filing date -
Mar 17, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drilling apparatus having cuttings removal structure to reduce balling thereof comprising an apparatus body having a connection thereon, and structure for contacting cut potions of the earth formation. The contacting structure may include chip breakers, flexible cables, rotating nozzle assemblies, rotating turbine wheel assemblies, rotating vane assemblies, flails or combinations of these. The apparatus may include elastomeric portions and/or movable potions. The drilling apparatus may comprise a drill bit, drilling stabilizer, drill collar, reamer, downhole motor, etc.
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Cited Art Landscape
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