TEXAS · WELLS · FREESTONE COUNTY · API 42-161-31219 · DISTRICT 05

Gilliam C No. 1 Gas Unit #3

Y

Freestone County · Freestone (CV-Bossier Cons.) field · Producing  · Vertical

Gilliam C NO. 1 Gas Unit #3 (API 42-161-31219) is a well in Freestone County operated by Hilcorp Energy Company, completed December 28, 1993 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued July 30, 1993, permitted to 11,846 ft.

It was permitted by Marathon Oil Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 6 formation tops, including Buda, Glen Rose, Base Mass Anhyd, Pettit.

No lease production has been reported under this well’s leases.

Operator of record

Hilcorp Energy Company

Permitted by Marathon Oil Company; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 27, 2026
Permits on file
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitMarathon Oil CompanyJul 30, 1993

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,846
total depth, ft
2
permits on file
Jul 30, 1993
last permit issued
Dec 28, 1993
completed
0
cumulative oil, bbl
1.77M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 28, 1993
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Gilliam "C" No. 1 Gas Unit G-5-148437Oaks (Travis Peak 8550)Hilcorp Energy Company101.42MDec 1993 – Jul 2026
Gilliam "C" G-5-148438Pine Oak Creek, N. (Bossier)Marathon Oil Company10351KDec 1993 – May 1996

Gas, mcf lease total

Last 12 months 3,192 · prior 12 1,261(+153%)

0200400600202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Marathon Oil CompanyJan 1994 → Apr 2002
  2. 2XTO Energy Inc.May 2002 → Dec 2023
  3. 3Hilcorp Energy CompanyJan 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
414375-98DrillMarathon Oil CompanyJan 31, 1994Jul 30, 1993Oct 17, 199311,846
414375-99DrillMarathon Oil CompanyJul 28, 1993Jul 30, 1993—12,400

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 28, 1993Gilliam C No. 1 Gas Unit G-5-148437Freestone (CV-Bossier Cons.)Hilcorp Energy CompanyProducing11,846
Dec 14, 1993Gilliam C G-5-148438Pine Oak Creek N. (Bossier)Marathon Oil CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 451 ft elevation.Download CSV →

FormationMD ftSubsea
Buda4,957-4,506
Glen Rose6,262-5,811
Base Mass Anhyd7,370-6,919
Pettit8,033-7,582
Travis Peak8,310-7,859
Bossier11,085-10,634

Perforations

Perforated and open-hole intervals.

FromToType
8,6228,638Perforated
8,6608,676Perforated
11,15411,728Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,06212.25570 S
4.511,8467.8751,210 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 16, 1996Jan 29, 1996—
00Mar 29, 1994Feb 1, 1994Yes
00Mar 16, 1994——

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/16131219, documented in the API reference.