Patent ID: 9145765
Filing Date: 2015-09-29
Classification: E21B,F16J

Abstract:
1. A pump plunger for a sucker rod pump, comprising: an elongated plunger body having first and second plunger body ends and a longitudinal plunger body bore extending between said first and second plunger body ends; a first plunger end fitting releasably carried by said first plunger body end of said plunger body; a second plunger end fitting releasably carried by said second plunger body end of said plunger body; wherein each of said first plunger end fitting and said second plunger end fitting comprises an end fitting body, a threaded end fitting nipple carried by said end fitting body and a threaded end fitting shaft carried by said end fitting body and threadably engaging said plunger body; at least one end fitting flat in said end fitting body; a first plunger seal pack sandwiched between said first plunger body end and said first plunger end fitting; and a second plunger seal pack sandwiched between said second plunger body end and said second plunger end fitting.