HILGER-KOLB UNIT
GLASSCOCK County · District 8 · COBRA OIL & GAS CORPORATION · COBRA (WOLFCAMP)
Permits
1
Max Depth
8,000 ft
First Permit
2001-03-30
Latest Activity
2001-03-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2001-05-19
Shut-In
—
Plugged
2017-12-08
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
1995-12
Last Production
2018-05
Injection / Disposal
GLASSCOCK County disposal market →Permitted Volume
15,000 bbl/d
Max Pressure
3,000 psi
Injection Interval
7,520–7,960 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2018-01-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,564 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRAYBERRY (Spraberry) | 6,042 ft | -3,478 ft |
| LOWER SPRAYBERRY (Spraberry) | 6,533 ft | -3,969 ft |
| DEAN | 7,286 ft | -4,722 ft |
| WOLFCAMP | 7,362 ft | -4,798 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 (1)
| Interval | Type |
|---|---|
| 7,900–7,960 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 384 ft | 355 sx |
| 8.625" | 3,403 ft | 1,000 sx |
| 5.5" | 8,079 ft | 305 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 1
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- COBRA OIL & GAS CORPORATION
- Completed
- 2001-05-19
Operator
- Location
- WICHITA FAL, LS
- P-5 Status
- X (filed 2026-03-18)
- Cum Oil (all leases)
- 20,073,588 bbl
- Cum Gas (all leases)
- 30,503,954 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 778