42-105-35953
HorizontalSHANNON ESTATE
CROCKETT County · District 7 · ASPEN OPERATING COMPANY, L.L.C.
Permits
5
Max Depth
2,600 ft
First Permit
1991-04-26
Latest Activity
2019-03-07
Lifespan
28 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
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
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 (15) Elevation 2,520 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SALADO | 779 ft | +1,741 ft |
| YATES | 1,073 ft | +1,447 ft |
| SEVEN RIVERS | 1,200 ft | +1,320 ft |
| QUEEN | 1,688 ft | +832 ft |
| QUEEN | 1,720 ft | +800 ft |
| GREYBURG | 1,900 ft | +620 ft |
| SAN ANDRES | 1,900 ft | +620 ft |
| SAN ANDRES | 1,998 ft | +522 ft |
| SAN ANDRES | 2,000 ft | +520 ft |
| CANYON | — | — |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| LEONARD | — | — |
| STRAWN | — | — |
| WOLFCAMP | — | — |
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 (3)
| Interval | Type |
|---|---|
| 1,834–3,793 ft | Open hole |
| 1,884–2,729 ft | Open hole |
| 2,014–2,074 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 728 ft | 950 sx |
| 5.5" | 2,300 ft | 1,000 sx |
Permit History (5)
SHANNON ESTATE · 2,300 ft
2019-03-07
SHANNON ESTATE · 2,300 ft
2019-03-07
SHANNON ESTATE 'M-1' · 2,300 ft
2014-09-22
Spud 2014-10-01
SHANNON ESTATE "M-1" · 2,600 ft
2000-12-06
SHANNON ESTATE "M-1" · 2,600 ft
1991-04-26
Spud 1991-06-16
Applications (5)
Records & Logs
5 completion filings on record · 2 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.
Well Details
- Well Number
- M120HC
- Max Depth
- 2,600 ft
- Drill Type
- Horizontal
- County
- CROCKETT
- District
- 7
- Operator
- ASPEN OPERATING COMPANY, L.L.C.
Operator
- Name
- ASPEN OPER CO, L.L.C
- Location
- FORT WORTH
- P-5 Status
- Active (filed 2026-01-12)
- Cum Oil (all leases)
- 4,610,944 bbl
- Cum Gas (all leases)
- 9,640,400 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 124