42-173-38598
PRODUCING HorizontalCALVERLEY 42/31 B
GLASSCOCK County · District 8 · MEWBOURNE OIL COMPANY · SPRABERRY (TREND AREA)
Permits
1
Max Depth
7,919 ft
First Permit
2021-12-06
Latest Activity
2021-12-06
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2022-07-09
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2022-07
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 (10) Elevation 2,716 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 655 ft | +2,061 ft |
| RUSTLER | 1,200 ft | +1,516 ft |
| YATES | 1,889 ft | +827 ft |
| SEVEN RIVERS | 2,077 ft | +639 ft |
| GRAYBURG | 2,423 ft | +293 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 2,717 ft | -1 ft |
| CLEARFORK (Clear Fork) | 5,832 ft | -3,116 ft |
| SPRABERRY | 6,134 ft | -3,418 ft |
| GLORIETA | — | — |
| QUEEN | — | — |
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 (1)
| Interval | Type |
|---|---|
| 8,124–18,446 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,358 ft | 700 sx |
| 7" | 8,115 ft | 1,090 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record · 1 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.
Well Details
- Well Number
- W101NC
- Max Depth
- 7,919 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 8
- Operator
- MEWBOURNE OIL COMPANY
- Completed
- 2022-07-09
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
- 2,022