Land rig design. Conclusion. Autodriller, cylindrical mud tanks, generate breakthrough in drilling technologies. D.E. Gaddy. OGJ, 14 December 1998, 96(50), 52--57, 61.
Breakthrough developments in autodriller and mud system technologies have helped to reduce cycle times in the Lobo trend of South Texas. Details are given of the integration of brake, block control, and autodrilling technologies together with new developments in the mud system tank design, effluent control, and pulsation dampers.