WELL · 42-289-31150 · DISTRICT 5

Louise Cook a Gas Unit #1

Y

Leon County · Bear Grass (Pettit) field · SWR-10-Well  · Vertical

Louise Cook A Gas Unit #1 (API 42-289-31150) is a well in Leon County operated by Hilcorp Energy Company, completed May 9, 2010 and listed as swr-10-well on the RRC schedule.

The RRC has issued 2 drilling permits (amended once) between 1991 and 2009, permitted to 11,000 ft.

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

Completion filings report 9 formation tops, including Bac, Woodbine, Buda, Paluxy.

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

Operator of record

Hilcorp Energy Company

Permitted by XTO Energy Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,454 permits on file · (713) 209-2411

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitXTO Energy Inc.Aug 13, 2009

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

11,000
total depth, ft
3
permits on file
Aug 13, 2009
last permit issued
May 9, 2010
completed
0
cumulative oil, bbl
976K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 9, 2010
Shut in
—
Plugged
—

Operator's P-5 on the schedule: 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.

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
Cook, Louise "A" G-5-140718Bear Grass (Travis Peak)Hilcorp Energy Company10976KJan 1993 – Jul 2026
Louise Cook "a" Gas Unit G-5-256525Bear Grass (Pettit)Hilcorp Energy Company100May 2010 – Jul 2026

Gas, mcf lease total

Last 12 months 1,017 · prior 12 2,098(-52%)

0100200300202420252026

Chain of custody

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

  1. 1Wisenbaker Production CompanyJan 1993 → Sep 1994
  2. 2General Atlantic Resources, Inc.Oct 1994 → Dec 1994
  3. 3Umc Petroleum CorporationJan 1995 → Feb 1997
  4. 4American Cometra, Inc.Mar 1997 → Nov 1997
  5. 5Pioneer Natural Res. USA, Inc.Dec 1997 → Feb 2005
  6. 6XTO Energy Inc.Mar 2005 → Dec 2023
  7. 7Hilcorp Energy CompanyJan 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
683801-99RecompletionXTO Energy Inc.Aug 4, 2009Aug 13, 2009Jul 21, 200910,540
393315-98DrillWisenbaker Prod. Co.Feb 21, 1992Nov 1, 1991Nov 26, 199110,540
393315-99DrillWisenbaker Prod. Co.Oct 25, 1991Nov 1, 1991—11,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-5-140718————
—— G-5-256525————

Formation tops

As filed on W-2/G-1. Subsea from 408 ft elevation.Download CSV →

FormationMD ftSubsea
Bac5,005-4,597
Woodbine5,400-4,992
Buda5,809-5,401
Paluxy6,881-6,473
Glen Rose7,138-6,730
BMA8,367-7,959
Rodessa8,367-7,959
Rodessa8,407-7,999
Pettit9,142-8,734
Travis Peak9,436-9,028
Travis Peak9,549-9,141

Perforations

Perforated and open-hole intervals.

FromToType
9,1669,332Perforated
9,63210,397Perforated
10,16610,397Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
1652245 S
8.6251,65511495 S
4.510,5407.875635 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
00Aug 20, 2010Jun 1, 2010—
00Jul 14, 2010——
00May 22, 1992May 6, 1992—
00Mar 13, 1992Feb 24, 1992Yes
00Mar 6, 1992——

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/28931150, documented in the API reference.