The Pennsylvania Bureau of Oil and Gas Management maintains a searchable database of oil and gas (including Marcellus Shale) violations in the PA. Included are "inspections that resulted in a violation or enforcement action assigned by the Oil and Gas program" Reports can be exported in several formats including Excel, CVS, PDF, XML, and others.
Currently searches "over 35,000 wells and 1,000 oil and gas producing companies" operating within New York. Find information on companies, wells, and production data. Search by company, geographic formation, well number, etc. Data can be exported in Excel and CVS formats.