Media Summary: Pumpjacks, etc., in Midland, Texas, and online at pumpjacks.mobi has Lufkin Mark II and Conventional oilwell 1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma weights and base are national... however gearbox and Sampson post say
Emsco 228 Pumping Unit - Detailed Analysis & Overview
Pumpjacks, etc., in Midland, Texas, and online at pumpjacks.mobi has Lufkin Mark II and Conventional oilwell 1950s Emsco Pumping Unit Running in West Duncan Oilfield, Stephens County Oklahoma weights and base are national... however gearbox and Sampson post say
