Updated Mon, May 14, 2012 5:01 pm
The number of active Pennsylvania gas drilling rigs is continuing to decline, while the number in West Virginia is increasing.
Houston-based oilfield services company Baker Hughes Inc. reported Friday that there were 95 drilling rigs operating in Pennsylvania, down one from the previous week. That's also down from 108 a year earlier and from a peak of 116 reached during the summer of 2011.
There were 22 rigs in West Virginia last week, up one from the previous week and up four from a year ago.
Drilling rigs bore the holes and set pipes, but all wells don't go into production immediately.