WELL · 42-481-34970 · DISTRICT 3

Cockburn H. C. #157

N

Wharton County · Magnet Withers (Frio Cons.) field  · Directional

Cockburn H. C. #157 (API 42-481-34970) is a well in Wharton County operated by Milagro Exploration LLC, completed March 9, 2011.

The RRC has issued 3 drilling permits (amended twice) between 2008 and 2011, permitted to 8,000 ft.

Completion filings report 2 formation tops, including Anahuac, Frio.

Its 2 leases have reported 6.54M barrels of oil and 5.85M mcf of gas since January 1993, last reporting in July 2026. The leases carry 144 wells, so these are lease totals, not this well alone.

Operator of record

Milagro Exploration LLC

Based in
Houston, TX
P-5 status
Inactive (I)
P-5 last filed
Oct 20, 2014
Permits on file
231
Phone
(713) 750-1600

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMilagro Exploration LLC
Production reportsOrx Resources, L.L.C.through Apr 2026
Latest permitMilagro Exploration, LLCAug 5, 2011

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

8,000
total depth, ft
5
permits on file
Aug 5, 2011
last permit issued
Mar 9, 2011
completed
6.54M
cumulative oil, bbl
5.85M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 9, 2011
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 2 leases this well is completed on; they carry 144 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cockburn, H. C. O-3-2899Magnet WithersOrx Resources, L.L.C.1436.54M5.82MJan 1993 – Jul 2026
Cockburn, H. C. G-3-255993Magnet Withers (Frio Cons.)Milagro Exploration, LLC1026.6KMar 2010 – Aug 2011

Oil, barrels lease total

Last 12 months 91,244 · prior 12 85,228(+7%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 6,535 · prior 12 4,502(+45%)

02K4K6K202420252026

Chain of custody

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

  1. 1Exxon Corp.Jan 1993 → Mar 2000
  2. 2Exxon Mobil CorporationApr 2000 → Dec 2005
  3. 3KCS Resources, Inc.Jan 2006 → Nov 2007
  4. 4Milagro Exploration, LLCDec 2007 → Oct 2015
  5. 5White Oak Operating Company LLCNov 2015 → Apr 2023
  6. 6Orx Resources, L.L.C.May 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
721398-99RecompletionMilagro Exploration, LLCAug 1, 2011Aug 5, 2011Aug 1, 20116,600
693300-99Field transferMilagro Exploration, LLCMar 23, 2010Mar 29, 2010Mar 12, 20107,500
657637-97DrillMilagro Exploration, LLCJun 27, 2008Mar 28, 2008Aug 16, 20088,000
657637-98DrillMilagro Exploration, LLCApr 30, 2008Mar 28, 2008—8,000
657637-99DrillMilagro Exploration, LLCMar 18, 2008Mar 28, 2008Aug 15, 20087,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-255993————
—— O-3-2899————
—— O-3-2899————

Formation tops

As filed on W-2/G-1. Subsea from 75 ft elevation.Download CSV →

FormationMD ftSubsea
Anahuac4,874-4,799
Anahuac4,890-4,815
FrioFRIO 15,466-5,391
FrioFRIO 15,482-5,407
FrioFRIO 1B5,569-5,494
FrioFRIO 1B5,585-5,510

Perforations

Perforated and open-hole intervals.

FromToType
5,4785,482Perforated
5,7245,727Perforated
6,4246,427Perforated
6,5786,581Perforated
7,0107,014Perforated
7,2167,220Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,60012.25650 S
75,7938.75900 S
7.57,4708.75900 S
77,4708.75900 S
5.57,4708.75900 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
00Jun 5, 2012Aug 9, 2011—
00Oct 31, 2011Mar 15, 2011—
00Nov 23, 2010Sep 7, 2010—
00Aug 10, 2010Mar 24, 2010Yes
00Jun 2, 2010——
00Jan 13, 2009Dec 5, 2008Yes
00Dec 18, 2008——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
—
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000107277H-1 InjectionNot activated20,0002,5005,480–5,588

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/48134970, documented in the API reference.