Paper: The One-Half Inch Sucker Rod Newest Development for the Cost Conscious Oil Producer

The development of the _ inch sucker rod was necessary to satisfy a growing problem within the oil industry. This problem has been pointed up in ever increasing importance by the upward trend in lifting costs in comparison to a more or less constant or even, at times, downward trend in production profits. There are two principal divisions of cost in any analysis of lifting costs: one of these is labor; the other, of course, is material.