- Partial Assignment of Production Payment Interests, Reversionary Interests, Option Rights, Leasehold Interests, and Rights Under Management Agreement US-OG-522
- Reassignment of Rights Under Term Assignment US-OG-523
- Exhibit Schedule of Oil and Gas Leases Form 1 US-OG-524
- Exhibit Schedule of Oil and Gas Leases Form 2 US-OG-525
- Exhibit Schedule of Oil and Gas Leases Form 3 US-OG-526
- Term Assignment US-OG-527
- Assignment and Bill of Sale of Pipeline and Gathering System US-OG-530
- Assignment and Bill of Sale of Well Bores US-OG-581
- Quitclaim Assignment of Assets US-OG-611
- Assignment of Overriding Royalty Interest with Multiple Leases that are Non Producing with Reservation of the Right to Pool US-OG-691
- Assignment of Contracts and Agreements - Form 2 US-OG-934
- Assignment of Contracts and Agreements (Form B) US-OG-935
- Assignment of Interest in Right of Way US-OG-936
- Assignment of Oil and Gas Lease (All Assignor's Undivided Interest in Nonproducing Lease - Short Form) US-OG-937
- Assignment of Overriding Royalty Interest (By Owner of Override) US-OG-938
- Assignment of Overriding Royalty Interest (No Proportionate Reduction) US-OG-939
- Assignment of Overriding Royalty Interest (Non-Producing, Single Lease, Reserves Right to Pool) US-OG-940
- Assignment of Promissory Note & Liens US-OG-941
- Assignment, Bill of Sale and Conveyance (Communication Systems) US-OG-942
- Assignment, Bill of Sale and Conveyance (Pipeline System) US-OG-943
- Assignments of Contracts and Agreements Form B US-OG-944
- Consent to Assignment (of Right of Way) US-OG-961