42-383-00421
Final CompletionBOYD
REAGAN County · District 7 · TAMARACK PETROLEUM COMPANY INC. · CALVIN (DEAN)
Permits
1
Max Depth
7,950 ft
First Permit
2019-03-19
Latest Activity
2019-03-19
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1970-07-11
Shut-In
—
Plugged
1986-12-12
EWA / Permit operator mismatch
Scheduling: TAMARACK PETROLEUM COMPANY INC. ≠ Permit: APACHE CORPORATION
Resolved via: scheduling → TAMARACK PETROLEUM COMPANY 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
2019-04
Last Production
2026-07
Injection / Disposal
REAGAN County disposal market →Permitted Volume
18,000 bbl/d
Max Pressure
1,525 psi
Injection Interval
3,050–6,200 ft
Injected (12mo)
156,196 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
Operator History
originally filed by APACHE CORPORATION — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (8) Elevation 2,648 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 2,708 ft | -60 ft |
| GRAYBURG | 2,973 ft | -325 ft |
| SAN ANDRES - SALTWATER FLOW, POS (San Andres) | 3,455 ft | -807 ft |
| CLEARFORK (Clear Fork) | 5,482 ft | -2,834 ft |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| SPRABERRY | — | — |
| STRAWN | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (2)
| Interval | Type |
|---|---|
| 3,344–3,826 ft | Perforated |
| 7,722–7,857 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 368 ft | 300 sx |
| 7.625" | 3,200 ft | 1,600 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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.
Well Details
- Well Number
- 3SW
- Max Depth
- 7,950 ft
- Drill Type
- Vertical
- County
- REAGAN
- District
- 7
- Operator
- TAMARACK PETROLEUM COMPANY INC.
- Completed
- 1970-07-11
Operator
- Location
- MIDLAND
- P-5 Status
- Inactive (filed 2020-11-20)
- Cum Oil (all leases)
- 9,908,361 bbl
- Cum Gas (all leases)
- 27,439,216 mcf
- Total Permits
- 469