42-329-01917
Final CompletionHEADLEE DEVONIAN UNIT
MIDLAND County · District 8 · CHEVRON U. S. A. INC. · HEADLEE (DEVONIAN)
Permits
2
Max Depth
13,082 ft
First Permit
1989-10-24
Latest Activity
2004-11-09
Lifespan
15 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-03-05
Shut-In
—
Plugged
2022-09-20
EWA / Production operator mismatch
Scheduling: CHEVRON U. S. A. INC. ≠ Production: COG OPERATING LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: CHEVRON U. S. A. INC. ≠ Permit: FOUR STAR OIL AND GAS COMPANY
Resolved via: production → COG OPERATING LLC
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
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 2,850 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANHYDRITE & SALT | 1,900 ft | +950 ft |
| YATES | 2,837 ft | +13 ft |
| SAN ANDRES | 4,705 ft | -1,855 ft |
| DOLOMITE & ANHYDRITE | 4,750 ft | -1,900 ft |
| PENN (Pennsylvanian) | 9,792 ft | -6,942 ft |
| MISS (Mississippian) | 11,157 ft | -8,307 ft |
| DEVONIAN | 11,346 ft | -8,496 ft |
| ELLENBURGER | 12,946 ft | -10,096 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 |
|---|---|
| 9,125–9,728 ft | Perforated |
| 9,802–10,269 ft | Perforated |
| 11,513–11,667 ft | Perforated |
| ?–12,990 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 302 ft | 250 sx |
| 8.625" | 5,965 ft | 3,020 sx |
| 5.5" | 13,049 ft | 950 sx |
Permit History (2)
Applications (2)
Records & Logs
8 completion filings on record · 3 with log images at RRC.
+2 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
- 3907
- Max Depth
- 13,082 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- CHEVRON U. S. A. INC.
- Completed
- 2005-03-05
Operator
- Name
- TEXACO E & P INC
- Location
- MIDLAND
- P-5 Status
- Active (filed 2026-01-30)
- Cum Oil (all leases)
- 633,048,621 bbl
- Cum Gas (all leases)
- 4,264,158,043 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 9,264