42-311-32871
Final CompletionZAVISCH
MCMULLEN County · District 1 · GTG OPERATING LLC · A.W.P. (OLMOS)
Permits
1
Max Depth
10,300 ft
First Permit
1990-12-03
Latest Activity
1990-12-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-02-28
Shut-In
—
Plugged
2011-07-26
EWA / Permit operator mismatch
Scheduling: GTG OPERATING LLC ≠ Permit: SUNDANCE RESOURCES, INC.
Resolved via: scheduling → GTG OPERATING 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
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 285 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN CITY | 3,171 ft | -2,886 ft |
| CARRIZO | 4,796 ft | -4,511 ft |
| WILCOX | 5,868 ft | -5,583 ft |
| MIDWAY | 6,578 ft | -6,293 ft |
| ESCONDIDO | 9,248 ft | -8,963 ft |
| OLMOS | 10,154 ft | -9,869 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 |
|---|---|
| 10,155–10,167 ft | Perforated |
| 10,178–10,183 ft | Perforated |
| 10,197–10,202 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,500 ft | 480 sx |
| 4.5" | 10,400 ft | 2,050 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 4
- Max Depth
- 10,300 ft
- Drill Type
- Vertical
- County
- MCMULLEN
- District
- 1
- Operator
- GTG OPERATING LLC
- Completed
- 1991-02-28
Operator
- Name
- GTG OPER, LLC
- Location
- TYLER
- P-5 Status
- Active (filed 2026-02-09)
- Cum Oil (all leases)
- 2,204,010 bbl
- Cum Gas (all leases)
- 1,628,363 mcf
- Activities
- GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 1