Ken Carstensen, Permian Rod Operation

At the 50th Annual Southwestern Short Course in 2003, a paper was presented titled "New Design API Modified Sucker Rod Connection and Methods and Systems for Precise Sucker Rod Connection Makeup". This paper is an information update of continuing development and field applications of the four part api modified connection system in pcp and beam pumping wells. The paper also includes a study of in-plant single end coupling makeups on the three part standard api couplings employing the "precision coupling makeup system" where volumes of used inspected api number one class sucker rods of all sizes and grades were returned to field service. The study also contains an analysis of the mechanical and economical benefits of receiving the rods at the rig site with the couplings properly made up on one end and performing a single end makeup with the rod tongs at the workover rig, as opposed to the standard practice of the "floating coupling" or double end connection makeup.