- Mineral servitude
- La. R.S. 31:21
- The right to use another's land to explore for and produce minerals. A reservation that would create a separate mineral estate in Texas creates a servitude here.
- Prescription of nonuse
- La. R.S. 31:27
- Ten years without use extinguishes a mineral servitude, and the minerals go back to the landowner.
- Interruption
- La. R.S. 31:29, 31:30, 31:36
- Good-faith operations or production restart the ten years, counted from the last day of operations or the day production stops.
- Mineral royalty
- La. R.S. 31:80, 31:85, 31:87, 31:90, 31:93
- A share of production free of the costs of production, with no right to drill. It also prescribes after ten years of nonuse. Production interrupts it and drilling alone does not; a tested shut-in well or a written acknowledgment can too.
- Executive right
- La. R.S. 31:105, 31:106
- The exclusive right to grant mineral leases. It can be split off from the servitude or royalty it rides with.
- Usufruct and naked ownership
- La. C.C. arts. 478, 535
- A usufruct is a real right of limited duration on another's property. The owner holds the naked ownership until it ends. A surviving spouse's usufruct often appears in a Louisiana chain.
- Judgment of possession
- Succession record
- The court's judgment putting heirs or legatees in possession of the decedent's property. It is usually recorded in the conveyance records of the parish where the land lies.
- Public records doctrine
- La. C.C. art. 3338
- An act affecting immovables that isn't recorded in the parish where the land lies has no effect against third persons. What's on the books is what counts.
- COB and MOB
- Parish clerk
- The conveyance and mortgage books kept by the parish clerk of court. Newer acts also carry a file or entry number. How to read the stamp.
- Compulsory unit
- La. R.S. 30:9, 30:10
- A drilling unit set by order of the Department of Conservation and Energy. Operations for the unitized sand can interrupt prescription on the part of a servitude inside the unit, unless the parties agreed in writing that they reach the whole tract (La. R.S. 31:33, 31:37, 31:75).
- Acquisitive prescription
- La. C.C. arts. 3473, 3486
- Ownership gained by possession: ten years in good faith and under just title, thirty years without either.
- Water bottoms
- La. C.C. art. 450; La. R.S. 9:1101, 30:124
- Under natural navigable waters the bed is usually a public thing owned by the state, and the State Mineral and Energy Board leases it. Beds under private ownership on August 12, 1910 stay private.