42-353-33671
PRODUCINGLAKE TRAMMEL UNIT
NOLAN County · District 7 · GRAYROCK ENERGY II LLC · LAKE TRAMMEL W. (CANYON)
Permits
1
Max Depth
6,000 ft
First Permit
2018-11-02
Latest Activity
2018-11-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-12-10
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: ROVER PETROLEUM OPERATING, LLC
Resolved via: production → GRAYROCK ENERGY II, LLC
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 (10) Elevation 2,382 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| COLEMAN JUNCTION - CORROSIVE; PO (Coleman Junction) | 3,085 ft | -703 ft |
| BRECKENRIDGE - DISPOSAL | — | — |
| ELM CREEK - DISPOSAL | — | — |
| FLIPPEN LIME - DISPOSAL | — | — |
| FLIPPEN SAND - DISPOSAL | — | — |
| KING SAND - DISPOSAL | — | — |
| NOODLE CREEK - DISPOSAL | — | — |
| TANNEHILL - DISPOSAL (Tannehill) | — | — |
| WICHITA ALBANY - DISPOSAL (Wichita-Albany) | — | — |
| WOLFCAMP - DISPOSAL (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 (1)
| Interval | Type |
|---|---|
| 4,980–5,158 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 331 ft | 200 sx |
| 5.5" | 5,694 ft | 320 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
- 261
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- NOLAN
- District
- 7
- Operator
- GRAYROCK ENERGY II LLC
- Completed
- 2018-12-10
Operator
- Location
- FORT WORTH
- P-5 Status
- Active (filed 2025-10-16)
- Cum Oil (all leases)
- 1,537,532 bbl
- Cum Gas (all leases)
- 35,084 mcf
- Activities
- OPRS/G, OPRS/O