TEXAS · WELLS · RUSK COUNTY · HILLIARD GAS UNIT LEASE · API 42-401-31175 · DISTRICT 06

Hilliard Gas Unit #1

Shut in

Rusk County · Oak Hill (Cotton Valley) field · Producing  · Vertical

Permitted field
Dirgin (Cotton Valley)

Hilliard Gas Unit #1 (API 42-401-31175) is a well in Rusk County operated by Proline Energy Resources Inc, completed March 3, 1993 and listed as producing on the RRC schedule, shut in August 1, 2026.

The RRC has issued one drilling permit, issued April 8, 1981, permitted to 10,800 ft.

It was permitted by Amoco Production Company and has since transferred to Proline Energy Resources Inc on the wellbore schedule.

Completion filings report 5 formation tops, including Massive Anhydrite (marker), Rodessa, Pettit, Travis Peak.

Its lease has reported 1.91K barrels of oil and 503K mcf of gas since the record begins in January 1993, last reporting volume in July 2026.

Operator of record

Proline Energy Resources Inc

Permitted by Amoco Production Company; the EWA schedule now lists a different operator.

Based in
Sugar Land, TX
P-5 status
Active – Extension (X)
P-5 last filed
Sep 15, 2026
Phone
(832) 886-4420

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleProline Energy Resources Inc
Production reportsProline Energy Resources Incthrough Jul 2026
Latest permitAmoco Production CompanyApr 8, 1981

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

10,800
total depth, ft
1
permits on file
Apr 8, 1981
last permit issued
Mar 3, 1993
completed
1.91K
cumulative oil, bbl
503K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH JUL 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 3, 1993
Shut in
Aug 1, 2026
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Hilliard Gas Unit G-6-94564Oak Hill (Cotton Valley)Proline Energy Resources Inc11.91K503Kby Jan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 8,367 · prior 12 8,795(-5%)

05001K1.5K202420252026

Wells named Hilliard Gas Unit

Proline Energy Resources Inc's other wells filed under this lease name in Rusk County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Amoco Production CompanyJan 1993 → Dec 2001
  2. 2BP America Production CompanyJan 2002 → Dec 2005
  3. 3C. W. Resources, Inc.Jan 2006 → Apr 2019
  4. 4Proline Energy Resources IncMay 2019 → Jul 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
114199-99DrillAmoco Production CompanyApr 8, 1981Apr 8, 1981Apr 24, 198110,900

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 3, 1993Hilliard Gas Unit G-6-94564Oak Hill (Cotton Valley)Proline Energy Resources IncProducing · shut in Aug 1, 202610,800

Formation tops

As filed on W-2/G-1. Subsea from 421 ft elevation.Download CSV →

FormationMD ftSubsea
Massive Anhydrite (marker)MASSIVE ANHYDRITE5,969-5,548
Rodessa6,232-5,811
Pettit6,924-6,503
Travis Peak7,250-6,829
Cotton ValleyCOTTON VALLEY LIME9,148-8,727
Cotton ValleyCOTTON VALLEY SAND9,230-8,809

Perforations

Perforated and open-hole intervals.

FromToType
9,2549,274Perforated
9,3149,334Perforated
9,3649,384Perforated
9,3909,400Perforated
9,4749,484Perforated
9,5449,569Perforated
9,5739,588Perforated
10,31410,322Perforated
10,31410,520Perforated
10,34210,395Perforated
10,44610,454Perforated
10,48010,520Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
167526200 S
9.6251,81012.25770 S
9.6251,810—770 S
2.87510,260——
5.510,8008.752,220 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Apr 12, 1993Mar 10, 1993—
00Sep 1, 1988Apr 29, 1988—
00Jan 12, 1984Jul 31, 1981—

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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

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