Drill string diverter apparatus and method

Drill string diverter apparatus and method

A diverter apparatus (15) comprises a tubular housing (70) defining at least one flow port (92) defined therethrough communicated with a central opening flow passage (94) of said housing (70); a closing sleeve (102) disposed about said tubular housing (70) being moveable relative to said housing (70...

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Hauptverfasser: DUKE, WESLEY G, ROGERS, HENRY E, STEWART, TOMMY T, HALLMAN, MILLARD L
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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creator DUKE, WESLEY G
ROGERS, HENRY E
STEWART, TOMMY T
HALLMAN, MILLARD L
description A diverter apparatus (15) comprises a tubular housing (70) defining at least one flow port (92) defined therethrough communicated with a central opening flow passage (94) of said housing (70); a closing sleeve (102) disposed about said tubular housing (70) being moveable relative to said housing (70) between a closed position (60) wherein said closing sleeve (102) covers said at least one flow port (92) to prevent flow therethrough and an open position (62) wherein fluid in said tubular housing may flow through said at least one flow port (92); and locking means for locking said closing sleeve (102) in said closed position (60) whereby vertical movement of the closing sleeve relative to said tubular housing (70) is prevented.
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subjects 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
title Drill string diverter apparatus and method
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