42-329-00411
Final CompletionDORA ROBERTS RANCH UNIT
MIDLAND County · District 8 · OXY USA INC. · DORA ROBERTS (STRAWN)
Permits
2
Max Depth
13,346 ft
First Permit
1993-12-06
Latest Activity
2013-05-02
Lifespan
19 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1993-11-23
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: OXY USA INC. ≠ Production: CONTINENTAL RESOURCES, INC. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: OXY USA INC. ≠ Permit: OXY USA WTP LP
Resolved via: production → CONTINENTAL RESOURCES, INC.
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
MIDLAND County disposal market →Permitted Volume
2,500 bbl/d
Max Pressure
200 psi
Injection Interval
13,094–13,256 ft
Injected (12mo)
790,560 bbl
Permitted Volume
10,000 bbl/d
Max Pressure
6,000 psi
Injection Interval
13,053–13,346 ft
Injected (12mo)
790,560 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-01-01)
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 (3) Elevation 2,852 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,750 ft | -1,898 ft |
| PEAN | 10,300 ft | -7,448 ft |
| ELLENBURGER | 13,048 ft | -10,196 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 (5)
| Interval | Type |
|---|---|
| 9,996–10,026 ft | Perforated |
| 10,286–10,315 ft | Perforated |
| 13,053–13,346 ft | Perforated |
| 13,053–13,346 ft | Open hole |
| ?–13,042 ft | Perforated |
Casing (10)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 273 ft | 265 sx |
| 13.375" | 293 ft | 265 sx |
| 9.625" | 5,256 ft | 2,310 sx |
| 9.625" | 5,277 ft | 180 sx |
| 5.5" | 13,036 ft | 725 sx |
| 5.5" | 13,037 ft | — |
| 5.5" | 13,053 ft | 425 sx |
| 5.5" | 13,053 ft | 725 sx |
| 9.625" | — | 2,130 sx |
| 5.5" | — | 300 sx |
Permit History (2)
Applications (2)
Records & Logs
9 completion filings on record · 2 with log images at RRC.
+3 more filings
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
- 502
- Max Depth
- 13,346 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- OXY USA INC.
- Completed
- 1993-11-23
Operator
- Name
- OXY USA INC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-26)
- Cum Oil (all leases)
- 277,250,617 bbl
- Cum Gas (all leases)
- 814,544,078 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 3,279