Table of Contents

1 Scope
2 Normative References
3 Terms, Definitions, Abbreviations, and Symbols
4 Product Requirements
5 Beam Pump Structure Requirements
6 Speed Reducer Requirements
7 Product Identification
8 Storage and Maintenance
Annex A (informative) - API Monogram
Annex B (normative) - Beam Pumping Unit Designations
Annex C (informative) - Recommended Data Forms
Annex D (informative) - Torque Factor on Beam Pumping
        Units with Rear Mounted Geometry Class I Lever Systems
        with Crank Counterbalance
Annex E (informative) - Torque Factor on Beam Pumping Units
        with Front Mounted Geometry Class III Lever Systems with
        Crank Counterbalance
Annex F (informative) - Torque Factor on Beam Pumping Units
        with Front Mounted Geometry Class III Lever System with
        Air Counterbalance
Annex G (informative) - Torque Factor on Beam Pumping Units
        with Rear Mounted Geometry Class I Lever Systems with
        Phased Crank Counterbalance
Annex H (informative) - Examples for Calculating Torque Ratings
        for Pumping Unit Reducers
Annex I (informative) - System Analysis
Annex J (informative) - Product Nomenclature
Bibliography

Abstract

Describes the requirements and guidelines for the design and rating of beam pumping units for use in the petroleum and natural gas industry.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN
Supersedes	API 11E : 2008