The nature and protection of oil and gas rights. The formation and production of oil and gas ; Ownership of oil and gas rights ; Kinds of oil and gas interests ; Protection of oil and gas rights -- Conveying oil and gas rights. Creation and transfer of oil and gas interests ; Joint ownership of oil and gas rights ; Interpretive problems in oil and gas conveyancing -- Oil and gas leasing. Essential clauses of modern oil and gas leases ; Oil and gas lease savings clauses ; The Lease Royalty Clause ; Implied covenants in oil and gas leases ; Lease transfers -- Tax and business matters. Oil and gas taxation ; Oil and gas contracts