42-161-30984

PRODUCING

GILLIAM C NO. 1 GAS UNIT

FREESTONE County · District 5 · HILCORP ENERGY COMPANY · FREESTONE (CV-BOSSIER CONS.)

Permits

Max Depth

12,350 ft

First Permit

1985-02-12

Latest Activity

1994-05-02

Lifespan

9 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1994-04-06

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Production operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Production: XTO ENERGY INC. (reported 2016-08)

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: MARATHON OIL COMPANY

Resolved via: scheduling → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARATHON OIL COMPANY 1993-2002→ XTO ENERGY INC. 2002-2016

Lease Production

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

Formation Tops (5) Elevation 450 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GLEN ROSE	6,280 ft	-5,830 ft
RODESSA	7,435 ft	-6,985 ft
PETTIT	8,055 ft	-7,605 ft
TRAVIS PEAK	8,388 ft	-7,938 ft
RODESSA	8,435 ft	-7,985 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 (4)

Interval	Type
8,466–8,645 ft	Perforated
8,834–9,136 ft	Perforated
9,324–9,333 ft	Perforated
11,525–11,760 ft	Perforated

Casing (3)

Size	Set Depth	Cement
16"	62 ft	8 sx
8.625"	5,067 ft	1,375 sx
5.5"	11,870 ft	1,200 sx

Permit History (2)

#423467 Recompletion Final Completion

GILLIAM "C" · 11,870 ft

1994-05-02

Spud 1994-03-15

#266707 Drill Final Completion

GILLIAM "C" · 12,350 ft

1985-02-12

Spud 1985-02-24

Applications (2)

#423467 A MARATHON OIL COMPANY

received 1994-05-02

#266707 A TXO PRODUCTION CORP.

received 1985-02-12

Records & Logs

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

W-2/G-1 1996-07-24

W-2/G-1 1994-05-02 log on file

W-2/G-1 1994-06-14

W-2/G-1 1985-06-04

W-2/G-1 1985-08-01

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 FREESTONE County.

Well Details

Well Number: 1
Max Depth: 12,350 ft
Drill Type: Vertical
County: FREESTONE
District: 5
Operator: HILCORP ENERGY COMPANY
Completed: 1994-04-06

Operator

Name: HILCORP ENGY CO
Location: HOUSTON
P-5 Status: X (filed 2026-03-27)
Cum Oil (all leases): 75,699,281 bbl
Cum Gas (all leases): 1,779,939,645 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,431