42-383-33564
Final CompletionMCMASTER E
REAGAN County · District 7 · COX JOHN L. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,300 ft
First Permit
1985-09-09
Latest Activity
1985-09-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-01-05
Shut-In
—
Plugged
1998-04-03
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
1998-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 2,668 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CRETACEOUS | 400 ft | +2,268 ft |
| UPPER SPRABERRY (Spraberry) | 6,720 ft | -4,052 ft |
| LOWER SPRABERRY (Spraberry) | 7,396 ft | -4,728 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 |
|---|---|
| 6,729–7,220 ft | Perforated |
| 7,401–7,770 ft | Perforated |
| 7,893–8,040 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 453 ft | 400 sx |
| 4.5" | 8,120 ft | 1,400 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 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
- 8,300 ft
- Drill Type
- Vertical
- County
- REAGAN
- District
- 7
- Operator
- COX JOHN L.
- Completed
- 1986-01-05
Operator
- Name
- COX, JOHN L
- Location
- MIDLAND
- P-5 Status
- Inactive (filed 2003-03-21)
- Cum Oil (all leases)
- 15,795,687 bbl
- Cum Gas (all leases)
- 2,577,420 mcf
- Total Permits
- 1,123