Downhole assembly and method for reducing drag and friction on a tubular run in a wellbore

Downhole assembly and method for reducing drag and friction on a tubular run in a wellbore

An assembly (100) to be positioned on a tubular (200), said assembly comprising a first abutment (101), a second abutment (102), a body (103) to be positioned on said tubular such that said body is free to travel relative to said tubular and is limited by said abutments, characterized in that said b...

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1. Verfasser: John Hanton
Format: Patent
Sprache:eng
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 John Hanton
description An assembly (100) to be positioned on a tubular (200), said assembly comprising a first abutment (101), a second abutment (102), a body (103) to be positioned on said tubular such that said body is free to travel relative to said tubular and is limited by said abutments, characterized in that said body and at least an abutment have a shape (106, 106') such that upon rotation of said tubular, said body is periodically urged to move with an axial component relative to said tubular.
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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 Downhole assembly and method for reducing drag and friction on a tubular run in a wellbore
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