42-501-33921
Final CompletionBLACKJACK
YOAKUM County · District 8 · SIANA OIL & GAS · POKER DRAW (DEVONIAN)
Permits
2
Max Depth
13,000 ft
First Permit
1994-06-13
Latest Activity
1994-06-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1994-10-21
Shut-In
—
Plugged
2014-07-10
EWA / Permit operator mismatch
Scheduling: SIANA OIL & GAS ≠ Permit: PLACID OIL COMPANY
Resolved via: scheduling → SIANA OIL & GAS
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
1994-10
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 (6) Elevation 3,615 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TUBB | 7,075 ft | -3,460 ft |
| WOLFCAMP | 8,937 ft | -5,322 ft |
| ATOKA | 11,235 ft | -7,620 ft |
| MISS LIME (Mississippian) | 11,718 ft | -8,103 ft |
| DEVONIAN | 12,146 ft | -8,531 ft |
| ELLENBURGER | 12,815 ft | -9,200 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 |
|---|---|
| 12,155–12,230 ft | Perforated |
| 12,266–12,352 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 492 ft | 424 sx |
| 8.625" | 4,550 ft | 1,124 sx |
| 5.5" | 12,500 ft | 475 sx |
| 5.5" | — | 250 sx |
Permit History (2)
Applications (2)
Records & Logs
2 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
- 13,000 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- SIANA OIL & GAS
- Completed
- 1994-10-21
Operator
- Name
- SIANA OIL & GAS
- Location
- CONROE
- P-5 Status
- Delinquent (filed 2018-11-07)
- Cum Oil (all leases)
- 1,500,878 bbl
- Cum Gas (all leases)
- 2,780,088 mcf
- Activities
- GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 31