Paper: Recognition of Metal Differences Helps Lift Oil

The routines of your daily work can be efficient only as they place demands on your lifting equipment that are in balance with its mechanical and metallurgical design. You of the petroleum industry who are engaged in artificial lifting do specify equipment. If your demands exceed its abilities, unfortunately you are then involved in an expensive servicing job and replacement of equipment. We should be able to mutually agree that you, in lifting, can do your job more easily and better if you understand the nature of your equipment