Mark II Beam Pumping Unit (MK II)

- Chinese Weatherford MKII 912 Pumping unit.
- Credit goes to Jerry Wick.
- For more details, please refer to the article "10 Types of Rod Pumping Units". Link: production-tec...

[@omnistryder]

That is a Lufkin Mark II, not a Weatherford.

[@DILIPKUMAR-ne8gt]

From where to learn basics of SRP.. ANY BOOK , VIDEO