WELL · 42-089-30485 · DISTRICT 3

Glasscock C. G. #4

N

Colorado County · Glasscock (Wilcox 10630) field  · Vertical

Glasscock C. G. #4 (API 42-089-30485) is a well in Colorado County operated by Milagro Exploration LLC, completed June 1, 2010.

The RRC has issued 5 drilling permits (amended once) between 1987 and 2010, permitted to 11,500 ft.

Completion filings report 3 formation tops, including Yegua, Claiborne, Wilcox.

Its 6 leases have reported 63K barrels of oil and 454K mcf of gas since January 1993, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.

Operator of record

Milagro Exploration LLC

Houston, TX · P-5 Y, filed Aug 7, 2015 · 231 permits on file · (877) 415-8112

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMilagro Exploration LLC
Production reportsWhite Oak Operating Company LLCthrough Nov 2015
Latest permitMilagro Exploration, LLCMay 26, 2010

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

11,500
total depth, ft
6
permits on file
May 26, 2010
last permit issued
Jun 1, 2010
completed
63K
cumulative oil, bbl
454K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 1, 2010
Shut in
—
Plugged
—

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 6 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Glasscock, C. G. O-3-23107Glasscock (Wilcox 9,400)Proline Energy Resources Inc262.9K151KJun 1996 – Jul 2026
Glasscock, C. G. O-3-25582Glasscock (Wilcox 10630)Milagro Exploration, LLC11380Jun 2010 – Aug 2013
Glasscock, C. G. G-3-167379Glasscock (Wilcox 10630)Milagro Exploration, LLC10254KMay 1996 – Jun 2010
Glasscock, C. G. G-3-155096Glasscock (Wilcox 9850)KCS Resources, Inc.107.16KJun 1995 – Jul 1998
Glasscock, C. G. G-3-146628Glasscock (Wilcox 10,000)Brannon Oil & Gas, Inc.1031KAug 1993 – Jun 1995
Glasscock C. G. G-3-125023Glasscock (Wilcox 9,500)Brannon Oil & Gas, Inc.1010.7KJan 1993 – Nov 1993

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Brannon Oil & Gas, Inc.Jan 1993 → Jul 1995
  2. 2KCS Resources, Inc.Jul 1996 → Nov 2007
  3. 3Milagro Exploration, LLCDec 2007 → Oct 2015
  4. 4White Oak Operating Company LLCNov 2015 → Nov 2015

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
696447-99RecompletionMilagro Exploration, LLCMay 24, 2010May 26, 2010Dec 2, 20109,700
438620-98RecompletionKCS Resources, Inc.Nov 21, 1996Aug 9, 1995Apr 17, 199611,500
438620-99RecompletionBrannon Oil & Gas, Inc.Aug 7, 1995Aug 9, 1995—11,500
437380-99RecompletionBrannon Oil & Gas, Inc.Jun 29, 1995Jun 30, 1995Jun 26, 199510,216
415658-99RecompletionBrannon Oil & Gas, Inc.Sep 3, 1993Sep 9, 1993Aug 23, 199310,216
335152-99RecompletionPrairie Producing CompanyAug 27, 1987Aug 31, 1987—10,216

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-125023————
—— G-3-146628————
—— G-3-155096————
—— G-3-167379————
—— O-3-23107————
—— O-3-25582————

Formation tops

As filed on W-2/G-1. Subsea from 252 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua4,365-4,113
Claiborne5,210-4,958
Wilcox7,175-6,923
Wilcox10,600-10,348

Perforations

Perforated and open-hole intervals.

FromToType
8,8168,826Perforated
9,4459,449Perforated
9,4759,484Perforated
9,5139,517Perforated
9,5209,524Perforated
9,8729,875Perforated
9,9889,992Perforated
10,61910,656Perforated
10,62810,656Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,44315650 S
8.510,1858.75925 S
5.510,1858.75925 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
00Dec 22, 2011Mar 9, 2011—
00Nov 3, 2010——
00Nov 2, 2010Oct 12, 2010—
00Aug 4, 2010Jun 8, 2010—
00Jul 21, 1998Jan 21, 1998Yes
00Apr 8, 1998——
00Nov 3, 1995Jul 3, 1995Yes
00Aug 28, 1995——
00Oct 18, 1993Sep 17, 1993Yes
00Oct 5, 1993——
00Jul 19, 1991Jul 1, 1991—
00Sep 25, 1987Sep 1, 1987Yes
00Sep 15, 1987——
00Jan 12, 1984Sep 11, 1980—
00Jan 12, 1984Dec 2, 1975—

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/08930485, documented in the API reference.