- Memorandum of Oil and Gas Lease US-OG-094
- Memorandum of Seismic Permit and Oil and Gas Lease Purchase Option Agreement US-OG-095
- Memorandum Giving Notice of Existence of Agreement for Exploration and Development of Leases US-OG-345
- Memorandum Giving Notice of Exploration Agreement Creating An Area of Mutual Interest, Which Contains A Preferential Purchase Right US-OG-346
- Memorandum Giving Notice of Gas Purchase Contract US-OG-347
- Memorandum Giving Notice of Oil and Gas Lease US-OG-348
- Memorandum Giving Notice of Seismic Option Agreement and Option to Purchase Oil and Gas Leases US-OG-349
- Memorandum of Coalbed Methane Gas Lease US-OG-350
- Memorandum of Operating Agreement US-OG-351
- Memorandum of Trust Agreement US-OG-352
- Memorandum of Exploration Agreement and Notice of Preferential Purchase Right US-OG-649
- Memorandum of Gas Purchase Contract US-OG-650