42-199-31426
Final CompletionPETTIT WALKER
HARDIN County · District 3 · GRAYROCK ENERGY II LLC · SOUR LAKE E. (YEGUA #4)
Permits
3
Max Depth
16,000 ft
First Permit
1980-04-28
Latest Activity
1994-05-23
Lifespan
14 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2016-11-15
Shut-In
—
Plugged
2025-01-23
EWA / Production operator mismatch
Scheduling: GRAYROCK ENERGY II LLC ≠ Production: CAGO, INC. (reported 2000-01)
EWA / Permit operator mismatch
Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: STILLWATER PETROLEUM COMPANY
Resolved via: scheduling → 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
2025-07
Injection / Disposal
Permitted Volume
5,000 bbl/d
Max Pressure
1,650 psi
Injection Interval
3,350–5,100 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-01-01)
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 (4) Elevation 30 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| VICKSBURG | 7,285 ft | -7,255 ft |
| JACKSON | 8,195 ft | -8,165 ft |
| LEDGER SAND | 11,060 ft | -11,030 ft |
| KIRBY SAND | 12,418 ft | -12,388 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 (6)
| Interval | Type |
|---|---|
| 4,440–4,470 ft | Perforated |
| 4,630–4,665 ft | Perforated |
| 4,670–4,690 ft | Perforated |
| 4,940–4,960 ft | Perforated |
| 10,964–10,975 ft | Perforated |
| 12,419–12,429 ft | Perforated |
Casing (8)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 64 ft | — |
| 13.375" | 2,993 ft | 2,600 sx |
| 13.375" | 2,993 ft | 2,600 sx |
| 9.625" | 10,354 ft | 900 sx |
| 9.625" | 10,451 ft | 950 sx |
| 5.5" | 11,076 ft | 2,600 sx |
| 5.5" | 11,076 ft | — |
| 2.375" | 12,357 ft | — |
Permit History (3)
Applications (3)
Records & Logs
9 completion filings on record · 1 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
- 1
- Max Depth
- 16,000 ft
- Drill Type
- Vertical
- County
- HARDIN
- District
- 3
- Operator
- GRAYROCK ENERGY II LLC
- Completed
- 2016-11-15
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