42-115-31848
Final CompletionECHOLS (SPRABERRY) UNIT
DAWSON County · District 8 · CGS OPERATING LLC · ECHOLS (SPRABERRY)
Permits
1
Max Depth
12,500 ft
First Permit
1983-07-07
Latest Activity
1983-07-07
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1989-06-28
Shut-In
—
Plugged
2023-03-09
EWA / Production operator mismatch
Scheduling: CGS OPERATING LLC ≠ Production: MAMMOTH EXPLORATION LLC (reported 2021-09)
EWA / Permit operator mismatch
Scheduling: CGS OPERATING LLC ≠ Permit: DAVIS & CARR ENERGY CO.
Resolved via: scheduling → CGS OPERATING 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
2023-05
Injection / Disposal
DAWSON County disposal market →Permitted Volume
500 bbl/d
Max Pressure
1,000 psi
Injection Interval
8,050–8,277 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2022-08-01)
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 (8) Elevation 2,946 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANHYDRITE | 2,034 ft | +912 ft |
| SAN ANDRES | 4,350 ft | -1,404 ft |
| U. SPRABERRY | 7,842 ft | -4,896 ft |
| L. SPRAYBERRY | 8,410 ft | -5,464 ft |
| DEAN | 9,215 ft | -6,269 ft |
| STRAWN | 10,773 ft | -7,827 ft |
| WOLFCAMP | 11,884 ft | -8,938 ft |
| FUSSELMAN | 12,096 ft | -9,150 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 (4)
| Interval | Type |
|---|---|
| 8,050–8,054 ft | Perforated |
| 8,167–8,176 ft | Perforated |
| 8,270–8,277 ft | Perforated |
| 8,530–8,842 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 40 ft | — |
| 13.375" | 410 ft | 425 sx |
| 8.625" | 4,388 ft | 1,100 sx |
| 4.5" | 7,962 ft | 144 sx |
| 5.5" | 11,160 ft | 1,150 sx |
Permit History (1)
Applications (2)
Records & Logs
8 completion filings on record.
+2 more filings
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
- 1 B
- Max Depth
- 12,500 ft
- Drill Type
- Vertical
- County
- DAWSON
- District
- 8
- Operator
- CGS OPERATING LLC
- Completed
- 1989-06-28
Operator
- Name
- CGS OPER, LLC
- Location
- KILGORE
- P-5 Status
- Inactive (filed 2023-10-18)
- Cum Oil (all leases)
- 540,900 bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 45