42-389-31496
Final CompletionTUNSTILL OIL & LAND CO.
REEVES County · District 8 · MAYJAC I LLC · MATTHEWS (CANYON CONS.)
Permits
1
Max Depth
5,100 ft
First Permit
1984-03-20
Latest Activity
1984-03-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-05-18
Shut-In
—
Plugged
2020-03-26
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
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 (4) Elevation 2,775 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RAMSEY | 2,980 ft | -205 ft |
| OLDS | 3,005 ft | -230 ft |
| CHERRY CANYON | 3,906 ft | -1,131 ft |
| LOWER CHERRY CANYON (Cherry Canyon) | 4,359 ft | -1,584 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 (2)
| Interval | Type |
|---|---|
| 4,375–4,392 ft | Perforated |
| 4,424–4,444 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 800 ft | 750 sx |
| 5.5" | 5,000 ft | 660 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.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 5,100 ft
- Drill Type
- Vertical
- County
- REEVES
- District
- 8
- Operator
- MAYJAC I LLC
- Completed
- 1984-05-18
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