PARTICLE IMPACT DRILL BITS AND ASSOCIATED METHODS

PARTICLE IMPACT DRILL BITS AND ASSOCIATED METHODS

A particle impact drill bit for a well system includes a central axis, a longitudinal first end, a longitudinal second end opposite the first end, and a feed passage extending into the drill bit from the first end, a pilot section located at the second end, the pilot section including one or more co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAUVAGEAU, Richard J, PINK, Jr., Tony P, CUNNINGHAM, Jason R, ROBERTS, Tom S
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:A particle impact drill bit for a well system includes a central axis, a longitudinal first end, a longitudinal second end opposite the first end, and a feed passage extending into the drill bit from the first end, a pilot section located at the second end, the pilot section including one or more converging nozzles in fluid communication with the feed passage, and a reamer section located between the first end and the second end and including one or more reamer blades extending radially outwards from the central axis of the drill bit, and wherein the reamer section defines a maximum width of the drill bit.