Pumping unit polish rod sealing lubricating grease and preparation method thereof
The invention belongs to the technical field of oil field lubrication, and particularly relates to pumping unit polish rod sealing lubricating grease and a preparation method thereof. The pumping unit polish rod sealing lubricating grease acts on a sealing part of a pumping unit wellhead polish rod...
Gespeichert in:
Hauptverfasser: | , , , , , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Schreiben Sie den ersten Kommentar!