42-211-32390
Final CompletionHUMPHREYS 59
HEMPHILL County · District 10 · ENERVEST OPERATING L.L.C. · SPARKS (TONKAWA)
Permits
1
Max Depth
12,400 ft
First Permit
1999-10-14
Latest Activity
1999-10-14
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2000-01-19
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ENERVEST OPERATING L.L.C. ≠ Production: UNBRIDLED RESOURCES, LLC (reported 2023-04)
EWA / Permit operator mismatch
Scheduling: ENERVEST OPERATING L.L.C. ≠ Permit: EOG RESOURCES, INC.
Resolved via: scheduling → ENERVEST OPERATING L.L.C.
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
2000-01
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 (3) Elevation 2,664 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOUGLAS | 6,893 ft | -4,229 ft |
| TONKAWA | 7,591 ft | -4,927 ft |
| MORROW | 10,834 ft | -8,170 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 |
|---|---|
| 7,625–7,656 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,000 ft | 870 sx |
| 5.5" | 10,780 ft | 240 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
- 1
- Max Depth
- 12,400 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- ENERVEST OPERATING L.L.C.
- Completed
- 2000-01-19
Operator
- Name
- ENERVEST OPER, L.L.C
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-13)
- Cum Oil (all leases)
- 39,678,049 bbl
- Cum Gas (all leases)
- 1,492,558,001 mcf
- Activities
- CSGD/G, G/PUR, GTHS/G, OPRS/G
- Total Permits
- 1,249