By Brad Caponigro · Founder, Pointer Petroleum LLC · Reservoir engineer
Published
Imagine a mineral owner in Dewey County, Oklahoma, holding 60 net mineral acres under a lease signed three years ago at a $400 per-acre bonus and a one-eighth royalty. The primary term has fourteen months left, the operator has not drilled, and a new landman from a different company is suddenly at the door with an envelope and a check stub — $1,800 per acre and a one-fifth royalty, signable today, "to take effect when the existing lease expires." It looks like found money. It usually is. But buried in the form is a paragraph about commencement that, if it is written wrong, can make the whole thing void; another paragraph that locks the owner out of even better terms if the leasing market keeps heating up; and a third that quietly assumes the existing lease will end on schedule, which it may not. A top lease is one of the more useful instruments in mineral ownership and one of the easiest to sign without understanding.
A top lease is an oil and gas lease executed by a mineral owner while an existing oil and gas lease (the "base lease") is still in force, with the new lease structured to take effect when the base lease terminates. The structure is straightforward in concept: the new lessee pays a bonus today, takes the risk that the base lease may not actually expire, and steps into possession of the leasehold if and when the base lease ends.
Mineral owners typically receive top-lease offers in three scenarios:
Base lease primary term ending soon. The base lease primary term is within 6-18 months of expiration, and the operator has not yet drilled. A competing landman approaches the owner with a top-lease offer at improved bonus or royalty terms, betting that the base lease will lapse for failure to drill before the primary term ends.
Base lease in jeopardy of terminating. The base lease is past primary term but holding by production from a single legacy well. A competing landman believes the production is marginal or that the lease has actually terminated for failure to produce in paying quantities, and offers a top lease to be ready when the base lease falls.
New operator entering the area. A new entrant to the basin wants acreage and is offering top leases broadly to lock in position. The new entrant is willing to pay smaller bonuses to a wider population of owners as a portfolio play. These offers are often signed by anyone willing to accept them on the theory that some percentage of base leases will terminate naturally.
For the mineral owner, the economic question is simple. The bonus from the top lease is real today; the new lease only takes effect if the base lease terminates. If the base lease never terminates, the bonus is the only payment the owner ever receives. If the base lease does terminate, the owner is committed to the top lessee at the top-lease terms — even if those terms are worse than what the market offers at the time the base lease ends.
The single most important technical issue with top leases is the rule against perpetuities. The rule, in its classic Texas formulation, voids any interest that may not vest within 21 years after some life in being at the time the interest is created. A top lease that purports to take effect "when the base lease terminates" creates an interest that may not vest until the base lease ends — and the base lease can persist indefinitely so long as production continues. The vesting may be more than 21 years out. Under the strict common-law rule, that voids the entire top lease.
This is not a hypothetical. Texas appellate courts have invalidated top leases on perpetuities grounds — see Bagby v. Bredthauer, 627 S.W.2d 565 (Tex. App.—Austin 1981, no writ), among earlier authorities. Other producing states have reached similar results.
There are three drafting fixes that are reliably enforceable:
1) Fix the top lease commencement to a specific date. Instead of "when the base lease terminates," the top lease says "the primary term shall commence on [date], or, if the base lease has terminated before that date, on the date of base-lease termination." A specific calendar date eliminates the perpetuities problem.
2) Fix the top lease commencement to a specific calendar period after the base lease primary term ends. "The primary term shall commence on the date the base lease terminates or on [date 21 years from execution], whichever is earlier." The 21-year ceiling brings the vesting within the rule.
3) Use a savings clause that automatically applies the rule against perpetuities cap. "If any provision of this lease would violate the rule against perpetuities, that provision shall be modified to the extent necessary to comply with the rule, and the remaining provisions shall be enforced as written."
Top-lease forms used by most major operators now include one or more of these fixes. Top-lease forms used by smaller landmen or speculators sometimes do not, and an owner who signs an unfixed top lease may end up with an unenforceable instrument that nonetheless ties up the title until quieted.
Before signing any top lease, have the form reviewed by oil and gas counsel for the perpetuities fix. The cost of review is modest; the cost of an unenforceable lease that clouds title for years is substantial.
A top lease only matters if the base lease terminates. Whether and when the base lease terminates is a separate question that the top lessee is betting on but cannot control. Three common base-lease termination scenarios:
Failure to drill within the primary term with no production. The most common termination pathway. If the base lease primary term ends without a well drilled, completed, and producing in paying quantities, and without delay-rental or shut-in payments saving the lease, the base lease terminates by its own terms. The mineral owner is unleased; the top lease commences.
Cessation of production after primary term. The base lease has a producing well that holds the lease past primary term. Production then ceases. Under most modern lease forms, a temporary cessation does not terminate the lease (the lease typically gives the operator 60-180 days to restore production or commence drilling another well). A permanent cessation does terminate the lease, but proving the cessation is permanent rather than temporary is fact-intensive and often litigated.
Failure to produce in paying quantities. Even with a producing well, the base lease can terminate if production is no longer in "paying quantities" under the Texas standard from Clifton v. Koontz (1959, 325 S.W.2d 684) and progeny. This is a profitability-over-time test (well revenues exceed well operating expenses over a reasonable period). Marginal wells are routinely the subject of paying-quantities disputes, and successful PPQ challenges by mineral owners do trigger top-lease commencement. (See our separate post on producing in paying quantities for the Texas analysis.)
The top lessee bears the risk on all of these. If the base lease persists, the top lease never commences and the bonus paid is a sunk cost to the top lessee. If the base lease terminates, the top lessee captures the leasehold at the agreed terms.
For the mineral owner, signing a top lease does not change the analysis on whether the base lease will or will not terminate. The base lease persists or terminates on its own terms regardless of who holds the top lease. Owners sometimes mistakenly believe that signing a top lease somehow forces the base lease to end. It does not.
When you receive a top-lease offer, several questions are worth working through before signing:
What is the perpetuities fix? Read the lease form carefully (or have counsel read it) for one of the three fixes described above. Do not sign a top lease that lacks a perpetuities fix.
What is the bonus structure? Most top leases pay a single bonus on signing rather than on commencement. The owner keeps the bonus regardless of whether the base lease terminates. A top lease that delays bonus payment until commencement transfers the perpetuities risk back to the owner — generally not worth signing.
What are the going-forward terms compared to the base lease? Compare the top-lease bonus, royalty fraction, primary term, post-production cost language, Pugh clause, and continuous development clause to the base lease. The top lease is usually offered at improved economic terms relative to the base lease (otherwise the owner would just continue under the base lease). Evaluate the spread.
What are the going-forward terms compared to the current market? Compare the top-lease terms not just to the base lease, but to what other operators are offering currently in the area. In active leasing markets, the top-lease offer may be below the current market — the top lessee is locking in below-market terms as the base lease nears expiration. The owner who signs forfeits the chance to re-lease at current-market terms when the base lease actually ends.
What is the term of the top lease? The top-lease primary term typically begins on the commencement date (when the base lease terminates), not on the signing date. So a 5-year top lease signed today, with the base lease terminating in 18 months, gives the top lessee 5 years from termination — effectively 6.5 years of total tied-up acreage from the owner's perspective.
What is the operator's likely development plan? A top lease from an active operator that intends to drill is materially better than a top lease from a speculator or a landman flipping leases for resale. Ask who the lessee is, who the operator will be, and whether the operator has nearby active wells.
Is the bonus discount worth the optionality cost? The bonus from a top lease is typically lower than an unencumbered current lease bonus, because the top lessee is bearing risk that the base lease never ends. Quantify the discount and decide whether the certainty of the upfront payment outweighs the optionality you give up.
Several edge cases come up regularly:
Multiple top leases. Some owners receive several top-lease offers in succession. Only the first signed top lease is effective. A second top lease signed after the first is junior and only takes effect if both the base lease and the first top lease terminate. Owners who try to take bonuses from multiple top lessees expose themselves to claims for return of bonus or for damages if the title structure is misrepresented. Sign one top lease, decline the rest.
Top lease with no operator commitment. Some top leases include a provision allowing the lessee to walk away from the lease (forfeit the bonus) within a defined period if circumstances change. From the owner's perspective, this is a lease that may simply disappear, returning the owner to unleased status. Check whether the lease is binding on both sides as of signing or whether the lessee retains a unilateral exit.
Top lease as part of a buyout offer. Some buyers approach with a combined offer to purchase the existing royalty/mineral interest and to top-lease the remaining acreage. Evaluate the components separately. The top lease bonus is real money; the purchase price for the existing interest is real money; combining them in a single document does not change the underlying value of either component.
Top lease drafted by the owner's counsel. In high-value situations, the owner's counsel can draft the top lease form rather than accepting the lessee's form. Owner-drafted forms include the perpetuities fix, full cost-free royalty language, robust Pugh and continuous development clauses, and commencement triggers that protect the owner. The increase in legal cost is usually worth it for interests above ~$100,000 of expected total value.
Time pressure tactics. Some landmen present top-lease offers as "today only" or "this week only" to discourage shopping the offer. Real top-lease offers from real operators almost always have flexibility on signing date. Do not let presented urgency override the basic review steps above.
A regular lease takes effect immediately upon signing. A top lease is signed while a prior lease (the "base lease") is still in force, and only takes effect when the base lease terminates. The top lessee pays a bonus today and bears the risk that the base lease may never terminate (in which case the new lease never commences). For the mineral owner, the bonus is real money in hand on signing; the new lease terms only matter if the base lease actually ends.
Under the common-law rule against perpetuities, an interest that may not vest within 21 years after some life in being is void. A top lease conditioned on "termination of the base lease" can vest more than 21 years out, because the base lease can persist indefinitely while production continues. Texas courts have invalidated top leases on this basis. Effective top-lease forms include one of three fixes: (1) a fixed commencement date, (2) a 21-year ceiling on commencement, or (3) a savings clause modifying any perpetuities-violating provision. Never sign a top lease without one of these fixes.
Only the first signed top lease is enforceable as the next-in-line lease. Subsequent top leases are junior and only take effect if both the base lease and the first top lease terminate. Owners who collect bonuses from multiple top lessees expose themselves to claims for return of bonus, fraud, or breach of warranty in the lease forms (most lease forms warrant that the lessor has the right to lease, and signing a junior top lease without disclosing the senior one breaches that warranty). The right move is to sign one top lease and politely decline the rest.
No. The base lease persists or terminates entirely on its own terms — primary term expiration, cessation of production, failure to produce in paying quantities, etc. Signing a top lease does not affect any of those triggers. A top lease only commences if and when the base lease terminates by its own operation. Owners who believe the base lease has terminated and want to challenge it must do so through normal lease-termination procedures (demand for release, declaratory judgment action, etc.) — the existence of a top lease has no effect on the underlying analysis.
It depends on how confident you are that the base lease will terminate, and on how the top-lease bonus compares to what you might receive on an unencumbered relet. If the base lease is near primary term expiration with no drilling activity in sight, waiting may yield a higher bonus from a competitive bidding process when the lease actually ends. If the base lease may persist for years (active drilling planned, paying-quantities production continuing), the top-lease bonus is the only payment you are likely to see for a long time and may be worth taking. The right answer often turns on operator intentions you cannot fully verify; consulting with an oil and gas attorney and reviewing the operator's recent drilling permits in the area both help inform the call.
Primary sources used in writing this article. These are not legal or tax advice — they are the public statutes, regulations, and authoritative materials the article draws from. Consult a qualified attorney or CPA before acting on any of them.
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