42-335-33482
INJECTIONWESTBROOK SOUTHWEST UNIT
MITCHELL County · District 8 · GRAYROCK ENERGY II LLC · WESTBROOK
Permits
1
Max Depth
3,350 ft
First Permit
1989-08-30
Latest Activity
1989-08-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-05-11
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: UNION TEXAS PETROLEUM CORP.
Resolved via: production → GRAYROCK ENERGY II, 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
Injection / Disposal
Permitted Volume
500 bbl/d
Max Pressure
1,100 psi
Injection Interval
2,300–3,300 ft
Injected (12mo)
133,329 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 (6) Elevation 2,222 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 1,520 ft | +702 ft |
| SAN ANGELO | 2,230 ft | -8 ft |
| CLEARFORK (Clear Fork) | 2,400 ft | -178 ft |
| CLEARFORK (Clear Fork) | 2,500 ft | -278 ft |
| MIDDLE CLEARFORK (Clear Fork) | 2,930 ft | -708 ft |
| LOWER CLEARFORK (Clear Fork) | 3,100 ft | -878 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 (2)
| Interval | Type |
|---|---|
| 2,502–3,260 ft | Perforated |
| 2,941–3,151 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 293 ft | 231 sx |
| 5.5" | 3,299 ft | 800 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
- 8
- Max Depth
- 3,350 ft
- Drill Type
- Vertical
- County
- MITCHELL
- District
- 8
- Operator
- GRAYROCK ENERGY II LLC
- Completed
- 2015-05-11
Operator
- Location
- FORT WORTH
- P-5 Status
- Active (filed 2025-10-16)
- Cum Oil (all leases)
- 1,537,532 bbl
- Cum Gas (all leases)
- 35,084 mcf
- Activities
- OPRS/G, OPRS/O