COUPLING FOR OIL WELL SUCKER RODS AND THE LIKE

A kind of coupling used to connect sucker rods to oil well pump and the like. It has a metal sleeve, which has an axially threaded hole and a cylinderical coupling sleeve with outer coating. The coating is of a thermoplatic ethyl formamide material which is wear resistant.

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Bibliographic Details
Main Author RUDY MELVIN BOWERS
Format Patent
LanguageEnglish
Published 30.01.1991
Edition5
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
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Summary:A kind of coupling used to connect sucker rods to oil well pump and the like. It has a metal sleeve, which has an axially threaded hole and a cylinderical coupling sleeve with outer coating. The coating is of a thermoplatic ethyl formamide material which is wear resistant.
Bibliography:Application Number: CN19851004317