42-433-30549

Final Completion

MCMILLIN I.S. AC. 8

STONEWALL County · District 7 · PNG OPERATING COMPANY · MENGEL (TANNEHILL)

Permits

Max Depth

4,604 ft

First Permit

1978-12-21

Latest Activity

1989-11-14

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-10-24

Shut-In

—

Plugged

1990-02-05

EWA / Production operator mismatch

Scheduling: PNG OPERATING COMPANY ≠ Production: L.C.S. PRODUCTION COMPANY (reported 2026-04)

Resolved via: production → L.C.S. PRODUCTION COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Plugged 1990-02-23 UIC #000053397 permitted 1984-09-25

Permitted Volume

—

Max Pressure

—

Injection Interval

—

Injected (12mo)

—

Operator History

Chain of Custody

PETROTEX, INC. 1993-1999→ CROWN PETROLEUM CORP. 1999-2015→ L.C.S. PRODUCTION COMPANY 2015-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (4) Elevation 1,783 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TANNEHILL SAND (Tannehill)	2,968 ft	-1,185 ft
TANNEHILL SD (Tannehill)	2,968 ft	-1,185 ft
GUEST CANYON SAND	4,445 ft	-2,662 ft
GUEST CANYON SD	4,445 ft	-2,662 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
2,978–2,983 ft	Perforated
4,445–4,524 ft	Perforated
4,445–? ft	Perforated

Casing (4)

Size	Set Depth	Cement
8.625"	218 ft	200 sx
2.375"	4,352 ft	—
5.5"	4,603 ft	450 sx
5.5"	4,603 ft	750 sx

Permit History (2)

#366317 Recompletion Final Completion

MCMILLIN, I. S. A/C 8 · 4,604 ft

1989-11-14

#39389 Recompletion Final Completion

MCMILLIN, I. S., AC. 8 · 3,200 ft

1978-12-21

Applications (2)

#366317 A PNG OPERATING COMPANY

received 1989-11-10

#39389 A TEXAS PACIFIC OIL COMPANY, INC.

received 1978-12-21

Records & Logs

5 completion filings on record.

W-2/G-1 1987-11-20

W-2/G-1 1984-11-05

W-2/G-1 1979-01-26

W-2/G-1 1977-07-13

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 STONEWALL County.

Well Details

Well Number: 4
Max Depth: 4,604 ft
Drill Type: Vertical
County: STONEWALL
District: 7
Operator: PNG OPERATING COMPANY
Completed: 1984-10-24

Operator

Name: PNG OPER CO
Location: OKLAHOMA CI, TY
P-5 Status: Delinquent (filed 2025-05-23)
Cum Oil (all leases): 17,078 bbl
Cum Gas (all leases): 3,914,789 mcf
Activities: OPRS/G
Total Permits: 10