COTERRA ENERGY OPERATING CO. — BUCHANAN 21 SWD
API 10934097 · UIC 000126098 · Culberson County, TX · District 10
Inside Northern Culberson-Reeves SRA
State regulator injection rate restrictions may apply
Status
active
Class
—
Fluid
—
Formation
—
Depth
2,157–4,455 ft
Max Rate
40,000 bbl/d
Permitted Max PSI
—
Lifetime Volume
14,367,610 bbl
Permit Date
—
Latest Injection Reporting
Report Month
Nov 2025
Monthly Total
1,085,443 bbl
Daily Avg
36,181 bbl/d
Avg Pressure
902 PSI
Injection Trend (19 mo)
+5634%05/24Total 14,367,610 bbl11/25
Seismic Activity (10 mi, 1 yr, M2.0+)
1earthquakes within 10 miles
Site Imagery & Verification
Compliance
No violations on record
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Data as of 3/21/2026. Sourced from public regulatory data. Estimates based on publicly reported volumes and permitted rates. Verify independently before operational decisions.