42-227-33685
INJECTIONDODGE GRANVILLE M. EST.
HOWARD County · District 8 · GRAYROCK ENERGY II LLC · IATAN EAST HOWARD
Permits
1
Max Depth
2,950 ft
First Permit
1985-03-12
Latest Activity
1985-03-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1985-05-16
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: ARCO OIL & GAS CO.
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
450 bbl/d
Max Pressure
1,200 psi
Injection Interval
2,439–2,772 ft
Injected (12mo)
127,195 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-12-01)
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 2,257 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 1,804 ft | +453 ft |
| SAN ANGELO | 2,515 ft | -258 ft |
| CLEAR FORK | 2,700 ft | -443 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 (1)
| Interval | Type |
|---|---|
| 2,439–2,772 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 172 ft | 150 sx |
| 5.5" | 2,850 ft | 750 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings 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.
No GPS coordinates yet
Well Details
- Well Number
- 218
- Max Depth
- 2,950 ft
- Drill Type
- Vertical
- County
- HOWARD
- District
- 8
- Operator
- GRAYROCK ENERGY II LLC
- Completed
- 1985-05-16
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