Farmout (Farm-Out)
A farmout is a contractual arrangement in which the owner of a working interest in an oil or gas lease or licence (the farmor) assigns part or all of that interest to another party (the farmee) in exchange for the farmee fulfilling a defined work obligation, most commonly drilling an exploration or development well, with the farmor often retaining a royalty override or a back-in right that allows them to reacquire an interest after the well reaches payout.
Key Takeaways
- The farmee typically "earns" the assigned interest by drilling and paying for a well or wells to a specified depth, with the earned interest percentage specified in the farmout agreement (FOA), and the earned acreage defined by a geographic "earning block" within the broader licence.
- A carried interest structure means the farmee pays 100% of the well cost (the carry) to earn a working interest, while the farmor retains a working interest but contributes no capital to the carried well, effectively receiving a well-funded exploration test at no direct cost.
- Back-in rights allow the farmor to reacquire a specified working interest percentage after the farmee has recovered its well costs plus a defined return, converting the farmout into a delayed cost recovery mechanism for the farmor once the well proves commercial.
- Farmouts are a primary mechanism for managing exploration risk in high-cost or frontier licences, allowing farmors to retain acreage that would otherwise require relinquishment due to insufficient capital, while giving farmees access to proprietary data and drillable prospects.
- AER and provincial regulatory bodies must be notified of working interest transfers resulting from farmout completions, and BOEM requires OCS farmout assignments to be submitted for approval within specific timelines under 30 CFR Part 556.
Fast Facts
Farmout agreements are negotiated between parties ranging from small independent operators farming out a single well location to major international oil companies farming out entire offshore licence blocks covering hundreds of square kilometres. The global farmout market peaked during the 2010s shale boom as major companies sought to rapidly delineate acreage positions across plays like the Eagle Ford, Marcellus, and Montney. Wood Mackenzie and IHS Markit (now S&P Global Commodity Insights) track farmout deal flow as a leading indicator of exploration activity and basin confidence.
Tip: When negotiating a farmout agreement, pay close attention to the definition of "payout" if the agreement includes back-in rights. Payout can be defined as gross revenue exceeding well costs (favoring the farmee), or as net revenue after operating costs, royalties, and taxes (favoring the farmor). A poorly defined payout clause can result in disputes over when back-in rights trigger, particularly in long-producing wells where operating costs accumulate over decades.
What Is a Farmout
A farmout is one of the oil and gas industry's foundational deal structures for transferring exploration and development risk between parties. The farmor, who holds the licence or lease, may lack the capital, technical expertise, or risk appetite to drill a well but does not want to lose the acreage. The farmee, who may be a company with capital and drilling capacity but lacking a prospect inventory, sees an opportunity to acquire an interest in an identified prospect without paying an upfront land acquisition price. The farmout agreement (FOA) structures this exchange: the farmee drills, the farmor earns.
The term farmout is used from the farmor's perspective (they are farming out their interest), while farm-in describes the same transaction from the farmee's perspective (they are farming in to the licence). The two terms describe the same deal; the difference is only the vantage point of the party using the term. The FOA is a detailed legal document specifying the earning well obligations, the geographic area of the earn, the interest to be assigned, back-in provisions, data sharing obligations, and the mechanical process for completing the assignment after the well is drilled.
How a Farmout Works
A typical farmout transaction follows a defined sequence. The farmor prepares a data package including seismic data, well logs, geological studies, and a prospect description to market the opportunity to potential farmees. This package is shared under a confidentiality agreement. The prospective farmee evaluates the technical and commercial merits: the risked resource size, the probability of geological success, the well cost estimate, the fiscal terms of the jurisdiction, and the value of the carried interest relative to the investment required.
If agreement is reached, the FOA is negotiated and signed. The farmee mobilizes to drill the earning well and assumes operator status unless the FOA specifies that the farmor retains operatorship. Upon drilling to the contractually defined earning depth and satisfying any testing obligations, the farmee "earns" the interest. A formal assignment agreement is executed, the regulatory authority is notified, and the working interest is transferred on the official record. If the well is a discovery, the parties then negotiate the next phase of appraisal and development as co-owners under joint operating agreement terms typically appended to the FOA.
Partial farmouts assign only a portion of the farmor's working interest, with the farmor retaining the balance as a contributing partner in the well. Full farmouts assign all of the farmor's working interest, leaving the farmor with only the back-in right or an overriding royalty interest (ORRI) as its residual economic participation. The ORRI gives the farmor a small royalty on production (typically 2 to 5%) without the obligation to fund future development costs, regardless of whether the back-in right is exercised.
Farmouts Across International Jurisdictions
In Canada, farmout agreements are governed by provincial property law, with Alberta farmouts subject to the AER's rules on working interest assignment and Petrinex reporting. Crown mineral rights in Alberta are held under petroleum and natural gas (PNG) licences issued through the Crown land auction process; farmout assignments of Crown rights require provincial government approval. The Canadian Association of Petroleum Landmen (CAPL) publishes a standard form farmout agreement (the CAPL Operating Procedure) widely used in the WCSB to reduce negotiation time for standard deal structures. The active Montney and Duvernay plays in Alberta and northeast British Columbia generate significant farmout activity as large-acreage holders seek drilling partners to meet licence work obligations and accelerate delineation.
In the United States, onshore farmouts are governed by state property law and the terms of private mineral leases, which typically include continuous drilling obligations or rental payments to prevent lease expiration. The farmee must ensure that the well is commenced within any existing lease primary term or that the farmout agreement contains a clause extending the lease through the earning well period. OCS farmouts require BOEM approval under 30 CFR Part 556 for outer continental shelf leases; the assignment must be filed within 90 days of the effective transfer date, with documentary evidence of the earning well completion. In the Gulf of Mexico deepwater, major companies farmed out portions of their lease positions to smaller operators to accelerate drilling on multi-well exploration programs in the late 2010s.
In Norway, farmout transactions on the Norwegian Continental Shelf require approval from the Ministry of Energy and Petroleum (formerly the Ministry of Petroleum and Energy). Norwegian licence farmouts involve joint venture partners within the licence, since the Norwegian licensing system already assigns multiple companies to each production licence in a consortium structure. When one partner wants to reduce its interest, a farmout to an existing or new licence partner is negotiated, with the licence amendment submitted to the ministry. Equinor, as the dominant operator on the NCS, has historically used farmout structures to bring in international partners on frontier acreage in the Barents Sea and Norwegian Sea, providing drilling capital while retaining majority operatorship.
In the Middle East, farmout-equivalent structures are governed by the terms of production sharing contracts (PSCs) or concession agreements between national oil companies and international oil companies (IOCs). Saudi Aramco's exploration concessions are not typically subject to open farmout markets, as Aramco controls its domestic acreage entirely. In Iraq, UAE, and Kuwait, government-awarded service contracts and PSCs allow IOCs to assign portions of their contracted interests to other parties through "assignment with consent" provisions requiring host government approval. Large-scale farmout transactions involving IOC interests in Middle East offshore blocks (Abu Dhabi offshore, Oman deepwater) are publicly announced and tracked by industry publications such as Upstream and Petroleum Economist.
Synonyms and Related Terminology
Farmout and farm-out are interchangeable spellings; farm-in and farmin describe the same transaction from the acquiring party's perspective. The farmor is the party assigning interest; the farmee is the party acquiring it. Carried interest, overriding royalty interest (ORRI), and back-in right are the residual economic interests commonly retained by the farmor. Working interest is the interest being transferred. Joint operating agreement (JOA) governs the relationship between farmor and farmee after the earning well is drilled. Prospect is typically the specific subsurface target that motivates a farmout transaction. Farm-in competition refers to the process of marketing a farmout opportunity to multiple potential farmees simultaneously.
FAQ
What is a "dry hole contribution" in the context of farmouts?
A dry hole contribution is a payment made by the farmor to the farmee in the event the earning well is a dry hole, compensating the farmee for a portion of the well cost even though no economic discovery was made. This structure gives the farmee some downside protection and makes the farmout commercially attractive for high-risk frontier wells where the probability of geological success is low. The dry hole contribution is typically expressed as a dollar amount per foot drilled or as a fixed sum, and is specified in the farmout agreement as an obligation of the farmor contingent on the well result.
Can a farmee assign the farmout interest it earned to a third party?
Assignment of a farmed-in interest typically requires the farmor's consent under the FOA, and may also require regulatory approval depending on jurisdiction. The farmout agreement usually contains anti-assignment clauses that prevent the farmee from selling or assigning the earned interest for a defined period after earning, preventing speculative farmouts where the farmee has no intention of developing the acreage. Once the lockout period expires or consent is obtained, the farmee can sell its working interest like any other property, subject to the back-in rights, ORRI obligations, and JOA pre-emption rights that remain attached to the interest.
Why Farmouts Matter
Farmouts are the oil and gas industry's primary mechanism for distributing exploration risk across multiple parties and ensuring that acreage with identified prospects is drilled even when the licence holder lacks the resources to drill unilaterally. Without farmout mechanisms, vast amounts of prospective acreage would remain undrilled because individual companies holding the rights cannot fund every well in their portfolio simultaneously. Farmouts also function as a price discovery mechanism: the terms on which a farmee agrees to carry a farmor (well cost, interest earned, data package) reflect the market's valuation of the prospect's geological and commercial merits. Tracking farmout deal flow provides industry observers with a real-time signal of where exploration capital is moving and which plays are attracting competitive interest from technical and financially capable parties.