10/16/2026
If you have received an offer to sign a top lease covering your mineral rights, it generally means another oil and gas company is interested in your property, even though your minerals are already under lease. While this can be a positive sign that your acreage is desirable, a top lease can also create significant legal and financial issues that every mineral owner should understand before signing.
A top lease is an oil and gas lease that is signed while an existing lease (sometimes called the base lease or bottom lease) is still in effect. Unlike a standard lease, a top lease does not become effective immediately. Instead, it is designed to take effect only if the existing lease expires or terminates. A top lease may be taken by either the current lessee or a third party that is not a party to, or successor to, the original lease...
https://kmd.law/by-alex-carlson-understanding-top-leases-in-oil-and-gas/