42-227-40180
INJECTIONDODGE GRANVILLE M. EST.
HOWARD County · District 8 · GRAYROCK ENERGY II LLC · IATAN EAST HOWARD
Permits
1
Max Depth
3,000 ft
First Permit
2019-05-24
Latest Activity
2019-05-24
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-09-03
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
Injection / Disposal
HOWARD County disposal market →Permitted Volume
1,000 bbl/d
Max Pressure
1,150 psi
Injection Interval
2,300–3,000 ft
Injected (12mo)
122,705 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-12-01)
Seismicity: 6 earthquakes M2+ within 10 km in the last 24 months (max M3.0) · TexNet catalog
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 2,267 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SEVEN RIVERS | 1,093 ft | +1,174 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 1,715 ft | +552 ft |
| GLORIETA | 2,424 ft | -157 ft |
| CLEARFORK - SEVERE WATER FLOWS (Clear Fork) | 2,738 ft | -471 ft |
| COLEMAN JUNCTION | — | — |
| DEAN | — | — |
| LEONARD | — | — |
| SPRABERRY | — | — |
| WOLFCAMP | — | — |
| YATES | — | — |
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 |
|---|---|
| 2,733–2,892 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 268 ft | 275 sx |
| 5.5" | 3,102 ft | 550 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record.
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
- 277
- Max Depth
- 3,000 ft
- Drill Type
- Vertical
- County
- HOWARD
- District
- 8
- Operator
- GRAYROCK ENERGY II LLC
- Completed
- 2019-09-03
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