42-173-32877
Final CompletionCALVERLEY J. B. ESTATE
GLASSCOCK County · District 8 · MEWBOURNE OIL COMPANY · GARDEN CITY W. (WOLFCAMP 7880)
Permits
2
Max Depth
9,000 ft
First Permit
1998-03-20
Latest Activity
1998-03-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1999-02-07
Shut-In
—
Plugged
—
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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (13) Elevation 2,718 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP ANHYDRITE | 1,100 ft | +1,618 ft |
| TANSIL | 1,875 ft | +843 ft |
| GRAYBURG | 2,530 ft | +188 ft |
| SAN ANDRES | 2,780 ft | -62 ft |
| TUBB | 5,551 ft | -2,833 ft |
| CLEARFORK (Clear Fork) | 5,853 ft | -3,135 ft |
| SPRABERRY | 6,028 ft | -3,310 ft |
| WICHITA-ALBANY | 7,148 ft | -4,430 ft |
| CP 2 | 7,643 ft | -4,925 ft |
| CP 1 | 7,781 ft | -5,063 ft |
| WOLFCAMP LS. (Wolfcamp) | 7,804 ft | -5,086 ft |
| WOLFCAMP DETRITAL (Wolfcamp) | 7,900 ft | -5,182 ft |
| BASE WOLFCAMP DETRITAL (Wolfcamp) | 8,053 ft | -5,335 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 (1)
| Interval | Type |
|---|---|
| 7,904–7,918 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 425 ft | 400 sx |
| 8.625" | 3,000 ft | 1,335 sx |
| 5.5" | 8,350 ft | 560 sx |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings on record · 2 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
- 8
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- MEWBOURNE OIL COMPANY
- Completed
- 1999-02-07
Operator
- Name
- MEWBOURNE OIL CO
- Location
- TYLER
- P-5 Status
- Active (filed 2026-05-21)
- Cum Oil (all leases)
- 48,864,987 bbl
- Cum Gas (all leases)
- 768,985,959 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 2,025