42-051-31458
HorizontalSidetrackJUNEK-MAREK UNIT
BURLESON County · District 3 · UNION PACIFIC RESOURCES COMPANY
Permits
5
Max Depth
8,950 ft
First Permit
1981-03-23
Latest Activity
1996-08-07
Lifespan
15 yrs
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
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 (1) Elevation 343 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| AUSTIN CHALK | 7,655 ft | -7,312 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 (3)
| Interval | Type |
|---|---|
| 7,782–10,400 ft | Perforated |
| 7,944–8,122 ft | Perforated |
| 8,114–10,455 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,830 ft | 1,350 sx |
| 2.375" | 7,840 ft | — |
| 5.5" | 8,786 ft | 1,030 sx |
Permit History (5)
JUNEK-MAREK UNIT · 8,300 ft
1996-08-07
JUNEK-MAREK UNIT · 8,300 ft
1996-08-07
JUNEK-MAREK UNIT · 8,300 ft
1996-08-07
Spud 1996-08-10
J.L. JUMEK UNIT · 8,781 ft
1992-11-13
JUNEK, J. L. UNIT · 8,950 ft
1981-03-23
Spud 1981-04-07
Applications (5)
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
- 8,950 ft
- Drill Type
- Horizontal, Sidetrack
- County
- BURLESON
- District
- 3
- Operator
- UNION PACIFIC RESOURCES COMPANY
Operator
- Name
- UNION PACIFIC RES CO
- Location
- FORT WORTH
- P-5 Status
- Inactive (filed 2000-05-02)
- Cum Oil (all leases)
- 75,300,375 bbl
- Cum Gas (all leases)
- 1,818,873,181 mcf
- Total Permits
- 5,638