42-211-33532
PRODUCINGROSS
HEMPHILL County · District 10 · MOUNTAINSIDE ENERGY OPERATING L · HEMPHILL (GRANITE WASH.)
Permits
1
Max Depth
12,800 ft
First Permit
2006-03-28
Latest Activity
2006-03-28
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-03-13
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: MOUNTAINSIDE ENERGY OPERATING L ≠ Permit: CIMAREX ENERGY CO.
Resolved via: production → MOUNTAINSIDE ENERGY OPERATING, L
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
2008-03
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 (3) Elevation 2,753 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRANITE WASH B (Granite Wash) | 10,996 ft | -8,243 ft |
| GRANITE WASH E SHALE (Granite Wash) | 11,533 ft | -8,780 ft |
| GRANITE WASH G (Granite Wash) | 11,918 ft | -9,165 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 (7)
| Interval | Type |
|---|---|
| 10,791–10,887 ft | Perforated |
| 10,958–11,062 ft | Perforated |
| 11,130–11,275 ft | Perforated |
| 11,419–11,467 ft | Perforated |
| 11,537–11,785 ft | Perforated |
| 12,034–12,282 ft | Perforated |
| 12,353–12,364 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,490 ft | 1,250 sx |
| 5.5" | 12,800 ft | 310 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1271
- Max Depth
- 12,800 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- MOUNTAINSIDE ENERGY OPERATING L
- Completed
- 2008-03-13
Operator
- Location
- DALLAS
- P-5 Status
- Active (filed 2026-01-21)
- Cum Oil (all leases)
- 10,139 bbl
- Cum Gas (all leases)
- 197,306 mcf
- Activities
- OPRS/G, OPRS/O