42-163-32985

Final Completion Horizontal

ALLERKAMP

FRIO County · District 1 · JENEX PETROLEUM CORPORATION · PEARSALL (AUSTIN CHALK)

Permits

Max Depth

5,300 ft

First Permit

1991-01-24

Latest Activity

2004-02-18

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-07-20

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: JENEX PETROLEUM CORPORATION ≠ Production: BIGFOOT OIL LLC (reported 2026-03)

Resolved via: production → BIGFOOT OIL LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000124318 permitted 2020-09-23

Permitted Volume

5,000 bbl/d

Max Pressure

1,560 psi

Injection Interval

3,917–3,927 ft

Injected (12mo)

648,000 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-02-01)

Operator History

Chain of Custody

JENEX OPERATING COMPANY OF TEXAS 1993-2002→ JENEX PETROLEUM CORPORATION 2002-2016→ JENCO PETROLEUM CORPORATION 2016-2017→ BIGFOOT OIL LLC 2017-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (3) Elevation 511 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
PEARSALL NAVARRO SANDS (Pearsall)	3,900 ft	-3,389 ft
NAVARRO SAND (Navarro)	3,917 ft	-3,406 ft
AUSTIN CHALK	5,300 ft	-4,789 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
3,917–3,927 ft	Perforated
5,300–7,236 ft	Perforated

Casing (5)

Size	Set Depth	Cement
10.75"	890 ft	270 sx
5"	3,940 ft	300 sx
7"	4,884 ft	245 sx
7"	—	180 sx
7"	—	—

Permit History (2)

#542225 Recompletion Final Completion

ALLERKAMP, ERNEST E. · 5,300 ft

2004-02-18

Spud 2004-02-09

#383822 Drill Final Completion

ALLERKAMP · 5,300 ft

1991-01-24

Spud 1991-02-06

Applications (2)

#542225 A JENEX PETROLEUM CORPORATION

received 2004-02-18

#383822 A BLANCO DRILLING, INC.

received 1991-01-24

Records & Logs

7 completion filings on record · 3 with log images at RRC.

W-2/G-1 2022-11-04

W-2/G-1 2022-01-22

W-2/G-1 2015-08-28 log on file

W-2/G-1 2004-02-25 log on file

W-2/G-1 2004-04-29

W-2/G-1 1991-09-03 log on file

+1 more filings

Completion packets + logs ↗ Wellbore filings ↗

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 FRIO County.

Well Details

Well Number: 1H
Max Depth: 5,300 ft
Drill Type: Horizontal
County: FRIO
District: 1
Operator: JENEX PETROLEUM CORPORATION
Completed: 1991-07-20

Operator

Name: JENEX PETRO CORP
Location: THE WOODLAN, DS
P-5 Status: Delinquent (filed 2017-02-24)
Cum Oil (all leases): 490,689 bbl
Cum Gas (all leases): 991,397 mcf
Activities: OPRS/O
Total Permits: 6