42-115-32155
Final CompletionESTES TOM ET AL
DAWSON County · District 8 · TARA OPERATING CO. · LANIER (SPRABERRY)
Permits
3
Max Depth
14,000 ft
First Permit
1984-12-11
Latest Activity
2012-02-15
Lifespan
27 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-05-19
Shut-In
—
Plugged
1989-07-26
EWA / Production operator mismatch
Scheduling: TARA OPERATING CO. ≠ Production: DIAMONDBACK E&P LLC (reported 2019-10)
EWA / Permit operator mismatch
Scheduling: TARA OPERATING CO. ≠ Permit: ELEMENT PETRO OPERATING II, LLC
Resolved via: scheduling → TARA OPERATING CO.
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
2006-06
Last Production
2026-07
Injection / Disposal
DAWSON County disposal market →Permitted Volume
15,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
4,000–5,800 ft
Injected (12mo)
844,326 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 (9) Elevation 2,952 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 3,045 ft | -93 ft |
| SAN ANDRES | 4,732 ft | -1,780 ft |
| SPRABERRY | 8,305 ft | -5,353 ft |
| DEAN | 9,539 ft | -6,587 ft |
| PENNSYLVANIAN | 11,047 ft | -8,095 ft |
| MISSISSIPPIAN | 11,445 ft | -8,493 ft |
| WOODFORD | 12,281 ft | -9,329 ft |
| SILURIAN (Silurian (undifferentiated)) | 12,423 ft | -9,471 ft |
| FUSSELMAN | 13,180 ft | -10,228 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 (3)
| Interval | Type |
|---|---|
| 5,200–5,800 ft | Perforated |
| 7,598–7,625 ft | Perforated |
| 8,334–8,370 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 450 ft | 450 sx |
| 9.625" | 5,826 ft | 4,200 sx |
Permit History (3)
Applications (4)
Records & Logs
9 completion filings on record · 2 with log images at RRC.
+3 more filings
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1D
- Max Depth
- 14,000 ft
- Drill Type
- Vertical
- County
- DAWSON
- District
- 8
- Operator
- TARA OPERATING CO.
- Completed
- 1985-05-19
Operator
- Name
- TARA OPER CO
- Location
- LAMESA
- P-5 Status
- Inactive (filed 1997-12-31)
- Cum Oil (all leases)
- 172,948 bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 9