42-163-32699
HorizontalKAIN
FRIO County · District 1 · WILLIAMS CLAYTON ENERGY INC. · PEARSALL (AUSTIN CHALK)
Permits
3
Max Depth
6,900 ft
First Permit
1990-04-13
Latest Activity
2006-07-26
Lifespan
16 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-06-06
Shut-In
—
Plugged
1996-09-17
EWA / Production operator mismatch
Scheduling: WILLIAMS CLAYTON ENERGY INC. ≠ Production: KAIN PETROLEUM, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: WILLIAMS CLAYTON ENERGY INC. ≠ Permit: FIRST ROCK, INC.
Resolved via: production → KAIN PETROLEUM, 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
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 (2) Elevation 611 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANACACHO | 6,180 ft | -5,569 ft |
| AUSTIN CHALK | 6,435 ft | -5,824 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 |
|---|---|
| 6,513–10,600 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 709 ft | 505 sx |
| 7.625" | 6,513 ft | 200 sx |
Permit History (3)
Applications (3)
Records & Logs
4 completion filings on record · 1 with log images at RRC.
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
- 1
- Max Depth
- 6,900 ft
- Drill Type
- Horizontal
- County
- FRIO
- District
- 1
- Operator
- WILLIAMS CLAYTON ENERGY INC.
- Completed
- 1990-06-06
Operator
- Location
- HOUSTON
- P-5 Status
- Delinquent (filed 2017-04-11)
- Cum Oil (all leases)
- 59,671,164 bbl
- Cum Gas (all leases)
- 168,498,727 mcf
- Total Permits
- 1,139