42-389-31556
Final CompletionTUNSTILL OIL & LAND CO.
REEVES County · District 8 · MAYJAC I LLC · MATTHEWS (CANYON CONS.)
Permits
1
Max Depth
4,700 ft
First Permit
1984-10-01
Latest Activity
1984-10-01
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-04-10
Shut-In
—
Plugged
2020-04-03
EWA / Permit operator mismatch
Scheduling: MAYJAC I LLC ≠ Permit: CONOCO INC.
Resolved via: scheduling → MAYJAC I 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
Injection / Disposal
REEVES County disposal market →Permitted Volume
1,200 bbl/d
Max Pressure
1,500 psi
Injection Interval
3,151–3,172 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2019-04-01)
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 (12) Elevation 2,824 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CHERRY CANYON | 3,890 ft | -1,066 ft |
| T/CHERRY CANYON | 3,890 ft | -1,066 ft |
| T/U-1 SAND | 3,930 ft | -1,106 ft |
| U-1 SAND | 3,930 ft | -1,106 ft |
| NORWOOD | 4,035 ft | -1,211 ft |
| T/NORWOOD | 4,035 ft | -1,211 ft |
| RACUE | 4,100 ft | -1,276 ft |
| T/RACUE | 4,100 ft | -1,276 ft |
| L-1 | 4,360 ft | -1,536 ft |
| T/L-1 | 4,360 ft | -1,536 ft |
| L-2 | 4,365 ft | -1,541 ft |
| T-L-2 | 4,365 ft | -1,541 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 |
|---|---|
| 3,151–3,158 ft | Perforated |
| 3,151–3,172 ft | Perforated |
| 3,160–3,172 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 808 ft | 590 sx |
| 5.5" | 4,450 ft | 895 sx |
| 5.5" | 4,550 ft | 865 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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.
No GPS coordinates yet
Well Details
- Well Number
- 3
- Max Depth
- 4,700 ft
- Drill Type
- Vertical
- County
- REEVES
- District
- 8
- Operator
- MAYJAC I LLC
- Completed
- 1985-04-10
Operator
- Name
- MAYJAC I, LLC
- Location
- MIDLAND
- P-5 Status
- Active (filed 2025-08-18)
- Cum Oil (all leases)
- 36,206 bbl
- Cum Gas (all leases)
- 2,471,396 mcf
- Activities
- OPRS/G, OPRS/O