42-211-32551
Final CompletionLOCKHART 57
HEMPHILL County · District 10 · EOG RESOURCES INC. · SPARKS (TONKAWA)
Permits
1
Max Depth
7,800 ft
First Permit
2001-10-09
Latest Activity
2001-10-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2002-01-03
Shut-In
—
Plugged
2018-07-16
EWA / Production operator mismatch
Scheduling: EOG RESOURCES INC. ≠ Production: 4P ENERGY TEXAS, LLC (reported 2016-12)
Resolved via: scheduling → EOG 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
2001-09
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 (2) Elevation 2,659 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOUGLAS | 6,921 ft | -4,262 ft |
| TONKAWA | 7,612 ft | -4,953 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 |
|---|---|
| 7,650–7,652 ft | Perforated |
| 7,655–7,662 ft | Perforated |
| 7,666–7,672 ft | Perforated |
| 7,715–7,724 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,620 ft | 825 sx |
| 4.5" | 7,850 ft | 275 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 2 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
- 4
- Max Depth
- 7,800 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- EOG RESOURCES INC.
- Completed
- 2002-01-03
Operator
- Name
- EOG RES, INC
- Location
- MIDLAND
- P-5 Status
- Active (filed 2025-10-02)
- Cum Oil (all leases)
- 1,173,982,199 bbl
- Cum Gas (all leases)
- 7,415,222,256 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 16,253