petspec19,
A positive skin indicates damage, this causes a greater drawdown per unit of production therefore a lower PI. Your statements show proper understanding of rate vs drawdown. After stimulation to reduce skin factor to zero or even negative, the drawdown per unit volume is reduced...
ravens00,
Echometer will give a good response in open hole. Often, the casing seat gives a good depth marker for determining fluid level. If the casing is set above the bottom of its drilled hole, you get a reverse kick due to larger hole diameter than casing ID caused by rarefraction, then...
