Permits
1
Max Depth
5,890 ft
First Permit
2014-10-21
Latest Activity
2014-10-21
Lifespan
< 1 yr
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
2007-01
Injection / Disposal
ECTOR County disposal market →Permitted Volume
500 bbl/d
Max Pressure
1,000 psi
Injection Interval
5,539–5,890 ft
Injected (12mo)
—
Permitted Volume
2,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
4,969–7,867 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2022-02-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (1) Elevation 3,194 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| 5600 | 5,539 ft | -2,345 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 |
|---|---|
| 5,539–5,890 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,591 ft | 1,100 sx |
| 7" | 5,539 ft | 700 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 661WR
- Max Depth
- 5,890 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- XTO ENERGY INC.
Operator
- Name
- XTO ENGY INC
- Location
- SPRING
- P-5 Status
- X (filed 2026-04-08)
- Cum Oil (all leases)
- 772,419,164 bbl
- Cum Gas (all leases)
- 11,039,899,986 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 16,138