An owner's guide to mineral rights on the Wasson ODC Unit (District 11) — operated by Occidental Petroleum (OXY) on the Wasson field in west Texas Permian Basin.
Get Your Free Mineral ValuationOld wells: 277
Oldest spud: 1930 (96+ years of production)
Recent monthly oil production: 22,972 bbl (Feb 2026)
The Wasson ODC Unit (District 11) is one of the most active long-tenured oil units in west Texas Permian Basin. With 277 historic wells, an oldest spud date of 1930, and recent monthly production of 22,972 barrels of oil (February 2026), the unit demonstrates the long-tail production profile that characterizes mature unitized oil operations in the Permian Basin (Wasson San Andres trend).
OXY operates the Wasson ODC Unit as part of the giant Wasson field complex — one of the largest CO2 EOR projects in U.S. history. The Wasson field has produced over 2 billion barrels cumulative.
The Wasson field sits in the Permian Basin (Wasson San Andres trend). The field has been producing oil since 1930 — a continuous production history spanning 96+ years. Modern operating consolidation under the Wasson ODC Unit (District 11) framework has stabilized field-level production through pressure maintenance, waterflood, and (where applicable) CO2 enhanced oil recovery (EOR) operations.
For broader context on the Permian Basin (Wasson San Andres trend) producing region, see our Permian Basin (Wasson San Andres trend) mineral rights guide.
Mineral interests in the Wasson ODC Unit (District 11) typically take one of these forms:
Producing royalty interest — your tract's contribution to the unit's monthly revenue, paid by the operator
Non-producing mineral interest — fee mineral ownership in a tract currently outside active producing zones
Overriding royalty interest (ORRI) — a royalty carved out of a working interest
Non-participating royalty interest (NPRI) — a royalty interest with no leasing or development rights
Many Wasson ODC Unit (District 11) interests are inherited multiple generations deep, with original lease bonus paid in the 1930s-1960s era. Current Wasson ODC Unit (District 11) mineral owners frequently include heirs spread across multiple states.
Direct buyers value Wasson ODC Unit (District 11) mineral interests using a discounted cash flow approach with these key inputs:
Decline rate — typically 3-8% annual on long-life unitized waterflood / EOR wells
Remaining reserve life — often 15-30+ years on actively-maintained units
Operator quality — well-maintained units (Occidental Petroleum (OXY) is established in west Texas Permian Basin) typically deliver predictable production
EOR upside — many Permian Basin (Wasson San Andres trend) units have CO2 EOR or other tertiary recovery upside not reflected in current production rates
Discount rate — typically 8-12% for stable unitized cash flows
Buckhead Energy buys mineral rights and royalty interests on the Wasson ODC Unit (District 11). Out-of-state owners are common — many interests are inherited multiple generations deep. We handle the entire process remotely: free written offer by email, deed signed before a notary in your state, recorded with the Yoakum County clerk, and proceeds wired the day of recording.
Free written offers. No obligation. No fees.
Start Your Free ValuationPermian CO2 EOR (Wasson, Slaughter, Seminole) and Mississippi Jackson Dome CO2 EOR (Heidelberg, Eucutta, Tinsley) are the two largest U.S. CO2 EOR clusters. For owners with interests across both:
Texas vs Mississippi Mature Oil Units — Comparison
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