Marcellus shale
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< Marcellus shaleThe following pages link to here:
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).- Cabot Oil and Gas Corp
- Chief Oil and Gas
- Hydro-fracturing
- New York Department of Environmental Conservation
- K&L Gates
- Unit Corp
- Arbor Resources of Michigan
- Quest Resource Corporation
- Keystone Pipeline
- Antero Resources
- Pennsylvania Department of Environmental Protection
- Pennsylvania
- Atlas Energy
- Gastar Exploration Ltd.
- Independent Oil and Gas Association of Pennsylvania
- Superior Well Services, Inc.
- Independent Oil and Gas Association of New York
- Marathon Oil Corporation
- Ultra Petroleum Corp
- East Resources