89. The authorization holder who conducts a drill-stem test must ensure, in particular, that(1) the equipment used is designed to safely control the stratigraphic survey pressure, properly characterize the geological formation and protect the environment;
(2) the rated pressure of the equipment upstream of and including the testing manifold exceeds the maximum anticipated shut-in pressure; and
(3) the equipment downstream of the testing manifold is sufficiently protected against overpressure.