42-501-37077
INJECTION DirectionalWILLARD UNIT
YOAKUM County · District 8 · OXY USA WTP LP · WASSON
Permits
1
Max Depth
5,800 ft
First Permit
2018-12-04
Latest Activity
2018-12-04
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-04-09
Shut-In
—
Plugged
—
P-5 Org Status: Active
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Injection / Disposal
Permitted Volume
5,000 bbl/d
Max Pressure
2,300 psi
Injection Interval
4,600–5,800 ft
Injected (12mo)
32,708 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
Seismicity: 1 earthquake M2+ within 10 km in the last 24 months (max M3.1) · TexNet catalog
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 3,602 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RED BED-SANTA ROSA (Santa Rosa) | 1,659 ft | +1,943 ft |
| RUSTLER | 2,309 ft | +1,293 ft |
| SALADO | 2,347 ft | +1,255 ft |
| YATES | 3,135 ft | +467 ft |
| GRAYBURG | 4,269 ft | -667 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,533 ft | -931 ft |
| CLEARFORK - ACTIVE CO2 FLOOD (Clear Fork) | — | — |
| GLORIETA | — | — |
| LEONARD | — | — |
| WICHITA (Wichita-Albany) | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 5,095–5,217 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.25" | 2,325 ft | 1,240 sx |
| 5" | 5,608 ft | 1,160 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 36AX
- Max Depth
- 5,800 ft
- Drill Type
- Directional
- County
- YOAKUM
- District
- 8
- Operator
- OXY USA WTP LP
- Completed
- 2019-04-09
Operator
- Name
- OXY USA WTP LP
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-10-16)
- Cum Oil (all leases)
- 329,551,533 bbl
- Cum Gas (all leases)
- 84,981,131 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 2,273