Department of Labor Logo United States Department of Labor
Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

December 1985

Productivity growth low in the oilfield machinery industry

Brian Friedman, Arthur S. Herman

Output per employee hour increased an average of only 1.2 percent annually in the oilfield machinery industry between 1967 and 1983, with output going through several boom and bust cycles.

Download PDF »