42-507-31072
Final CompletionJOHNSON B. K.
ZAVALA County · District 1 · CHAPARROSA OIL COMPANY · FEEDLOT (SERPENTINE)
Permits
2
Max Depth
3,000 ft
First Permit
1978-11-20
Latest Activity
1984-12-31
Lifespan
6 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1978-12-04
Shut-In
—
Plugged
1988-04-04
Formation Tops (6) Elevation 682 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDWAY | 350 ft | +332 ft |
| ESCONDIDO | 480 ft | +202 ft |
| OLMOS | 780 ft | -98 ft |
| SERPENTINE | 1,420 ft | -738 ft |
| SAN MIGUEL | 1,770 ft | -1,088 ft |
| BOWLES SAND | 1,955 ft | -1,273 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 (2)
| Interval | Type |
|---|---|
| 1,316–1,320 ft | Perforated |
| 1,563–1,619 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 374 ft | 250 sx |
| 8.625" | 374 ft | 250 sx |
| 2.375" | 1,490 ft | — |
| 4.5" | 1,563 ft | 450 sx |
Permit History (2)
Applications (2)
#263444 A CHAPARROSA OIL COMPANY
received 1984-12-27
#37175 A CHAPARROSA OIL COMPANY
received 1978-11-20
Records & Logs
3 completion filings on record.
W-2/G-1 1984-12-17
W-2/G-1 1984-11-12
W-2/G-1 1979-04-08
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
Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ZAVALA County.
Well Details
- Well Number
- 11
- Max Depth
- 3,000 ft
- Drill Type
- Vertical
- County
- ZAVALA
- District
- 1
- Operator
- CHAPARROSA OIL COMPANY
- Completed
- 1978-12-04
Operator
- Name
- CHAPARROSA OIL CO
- Location
- SAN ANTONIO
- P-5 Status
- Inactive (filed 1985-01-04)
- Total Permits
- 33