42-149-31846

Final Completion Horizontal

ANDREW JACOB UNIT

FAYETTE County · District 3 · HECI EXPLORATION COMPANY · GIDDINGS (AUSTIN CHALK GAS)

Permits

Max Depth

12,200 ft

First Permit

1984-07-17

Latest Activity

2001-06-20

Lifespan

17 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-09-12

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: HECI EXPLORATION COMPANY ≠ Production: MAGNOLIA OIL & GAS OPERATING LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: HECI EXPLORATION COMPANY ≠ Permit: BROWNING OIL COMPANY, INC.

Resolved via: production → MAGNOLIA OIL & GAS OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

BROWNING OIL COMPANY, INC. 1993-2019→ GEMINI EXPLORATION COMPANY 1995-1995→ UNION PACIFIC AUSTIN CHALK CO. 1995-1996→ DALLAS PETROLEUM GROUP, LLC 2019-2025→ MAGNOLIA OIL & GAS OPERATING LLC 2025-2026

Lease Production

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

Formation Tops (4) Elevation 442 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
PECAN GAP	10,350 ft	-9,908 ft
AUSTIN CHALK	10,926 ft	-10,484 ft
AUSTIN CHALK	10,940 ft	-10,498 ft
EAGLEFORD (Eagle Ford)	11,621 ft	-11,179 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
10,979–12,146 ft	Perforated
11,308–11,621 ft	Perforated
11,660–12,844 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,014 ft	330 sx
7"	10,858 ft	310 sx

Permit History (2)

#510535 Recompletion Final Completion

ANDREW JACOB UNIT · 12,200 ft

2001-06-20

Spud 2001-06-26

#245360 Drill Final Completion

ANDREW JACOB UNIT · 12,200 ft

1984-07-17

Applications (2)

#510535 A BROWNING OIL COMPANY, INC.

received 2001-06-20

#245360 A HUMBLE EXPLORATION CO., INC.

received 1984-07-17

Records & Logs

6 completion filings on record · 1 with log images at RRC.

W-2/G-1 2001-08-07 log on file

W-2/G-1 2001-11-26

W-2/G-1 1985-01-18

W-2/G-1 1985-02-12

W-2/G-1 1984-11-07

W-2/G-1 1984-10-25

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 FAYETTE County.

Well Details

Well Number: 1RE
Max Depth: 12,200 ft
Drill Type: Horizontal
County: FAYETTE
District: 3
Operator: HECI EXPLORATION COMPANY
Completed: 1984-09-12

Operator

Name: HECI EXPL CO
Location: GIDDINGS
P-5 Status: Inactive (filed 1990-10-30)
Total Permits: 86