42-211-35306
PRODUCING HorizontalYARNOLD 42
HEMPHILL County · District 10 · MEWBOURNE OIL COMPANY · BUFFALO WALLOW (GRANITE WASH)
Permits
1
Max Depth
11,500 ft
First Permit
2014-04-21
Latest Activity
2014-04-21
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-08-03
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
2015-08
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 2,506 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE - PROD, PRESSURED (Brown Dolomite) | 4,301 ft | -1,795 ft |
| DOUGLAS | 7,864 ft | -5,358 ft |
| TONKAWA | 8,570 ft | -6,064 ft |
| KANSAS CITY (HOGSHOOTER) (Kansas City) | 9,119 ft | -6,613 ft |
| CLEVELAND | 10,012 ft | -7,506 ft |
| PENNSYLVANIAN (MARMATON) (Pennsylvanian) | 10,422 ft | -7,916 ft |
| OSWEGO UPPER (Oswego) | 10,655 ft | -8,149 ft |
| BROWNSVILLE | — | — |
| PENNSYLVANIAN SAND (Pennsylvanian) | — | — |
| TOPEKA | — | — |
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 |
|---|---|
| 11,559–15,655 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 500 ft | 1,050 sx |
| 9.625" | 6,792 ft | 610 sx |
| 7" | 11,472 ft | 525 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.
No GPS coordinates yet
Well Details
- Well Number
- 1HW
- Max Depth
- 11,500 ft
- Drill Type
- Horizontal
- County
- HEMPHILL
- District
- 10
- Operator
- MEWBOURNE OIL COMPANY
- Completed
- 2015-08-03
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