Presenters
Kermit E. Brown & Frank W. Jessen, The University of Texas
Port sizes of 5/16 in., 3/8 in., _ in., 11/16 in., and 1 in. were tested from 6000 ft. Different tubing loads were lifted with each port size and each tubing load was lifted with varying gas volume per cycle. The efficiency increased as the port size increased.