42-501-35461
INJECTION DirectionalWILLARD UNIT
YOAKUM County · District 8 · OXY USA WTP LP · WASSON
Permits
1
Max Depth
5,800 ft
First Permit
2007-09-04
Latest Activity
2007-09-04
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2024-04-29
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)
7,481 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
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 (8) Elevation 3,594 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,190 ft | +1,404 ft |
| TANSILL | 2,864 ft | +730 ft |
| YATES | 3,004 ft | +590 ft |
| SEVEN RIVERS | 3,268 ft | +326 ft |
| QUEEN | 3,796 ft | -202 ft |
| GRAYBURG | 4,176 ft | -582 ft |
| SAN ANDRES | 4,440 ft | -846 ft |
| AN ANDRES | 4,443 ft | -849 ft |
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 ↗
Perforations (4)
| Interval | Type |
|---|---|
| 4,997–5,155 ft | Perforated |
| 5,163–5,175 ft | Perforated |
| 5,163–5,402 ft | Perforated |
| 5,250–5,316 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 40 ft | 130 sx |
| 8.625" | 2,210 ft | 1,000 sx |
| 5.5" | 5,474 ft | 1,600 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 1 with log images at RRC.
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.
No GPS coordinates yet
Well Details
- Well Number
- 31D
- Max Depth
- 5,800 ft
- Drill Type
- Directional
- County
- YOAKUM
- District
- 8
- Operator
- OXY USA WTP LP
- Completed
- 2024-04-29
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