42-507-32257

Final Completion Horizontal

HEITZ B.M.

ZAVALA County · District 1 · FLINT OAK ENERGY LLC · PEARSALL (AUSTIN CHALK)

Permits

Max Depth

9,200 ft

First Permit

1989-08-11

Latest Activity

1999-02-02

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-10-10

Shut-In

—

Plugged

1996-03-20

EWA / Production operator mismatch

Scheduling: FLINT OAK ENERGY LLC ≠ Production: HAWTHORN ENERGY PARTNERS, LLC (reported 2014-12)

EWA / Permit operator mismatch

Scheduling: FLINT OAK ENERGY LLC ≠ Permit: DOUBLE J OPERATING COMPANY, INC.

Resolved via: scheduling → FLINT OAK ENERGY LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

ORYX ENERGY COMPANY 1993-1999→ DOUBLE J OPERATING COMPANY, INC. 1999-2006→ KERR-MCGEE CORPORATION 1999-1999→ KERR-MCGEE OIL & GAS ONSHORE LLC 1999-2003→ TEXAS AMERICAN RESOURCES COMPANY 2003-2009→ HAWTHORN ENERGY PARTNERS, LLC 2006-2014

Lease Production

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

Formation Tops (1) Elevation 3,195 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
AUSTIN CHALK	6,216 ft	-3,021 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
6,216–8,910 ft	Perforated

Casing (2)

Size	Set Depth	Cement
13.375"	700 ft	655 sx
9.625"	6,216 ft	350 sx

Permit History (2)

#482287 Reenter Final Completion

HEITZ, B. M. · 6,250 ft

1999-02-02

Spud 1999-02-24

#362675 Drill Final Completion

HEITZ, B. M. · 9,200 ft

1989-08-11

Spud 1989-08-17

Applications (2)

#482287 A DOUBLE J OPERATING COMPANY, INC.

received 1999-01-27

#362675 A ORYX ENERGY COMPANY

received 1989-08-11

Records & Logs

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

W-2/G-1 1999-05-03

W-2/G-1 1999-05-11

W-2/G-1 1989-11-13 log on file

W-2/G-1 1989-12-11

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 ZAVALA County.

Well Details

Well Number: 1
Max Depth: 9,200 ft
Drill Type: Horizontal
County: ZAVALA
District: 1
Operator: FLINT OAK ENERGY LLC
Completed: 1989-10-10

Operator

Name: FLINT OAK ENGY, LLC
Location: MONTGOMERY
P-5 Status: Active (filed 2026-04-15)
Cum Oil (all leases): 675,155 bbl
Cum Gas (all leases): 737,870 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 14