WELL · 42-089-30485 · DISTRICT 3
Glasscock C. G. #4
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
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 schedule | Milagro Exploration LLC |
| Production reports | White Oak Operating Company LLCthrough Nov 2015 |
| Latest permit | Milagro 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Glasscock, C. G. O-3-23107 | Glasscock (Wilcox 9,400) | Proline Energy Resources Inc | 2 | 62.9K | 151K | Jun 1996 – Jul 2026 |
| Glasscock, C. G. O-3-25582 | Glasscock (Wilcox 10630) | Milagro Exploration, LLC | 1 | 138 | 0 | Jun 2010 – Aug 2013 |
| Glasscock, C. G. G-3-167379 | Glasscock (Wilcox 10630) | Milagro Exploration, LLC | 1 | 0 | 254K | May 1996 – Jun 2010 |
| Glasscock, C. G. G-3-155096 | Glasscock (Wilcox 9850) | KCS Resources, Inc. | 1 | 0 | 7.16K | Jun 1995 – Jul 1998 |
| Glasscock, C. G. G-3-146628 | Glasscock (Wilcox 10,000) | Brannon Oil & Gas, Inc. | 1 | 0 | 31K | Aug 1993 – Jun 1995 |
| Glasscock C. G. G-3-125023 | Glasscock (Wilcox 9,500) | Brannon Oil & Gas, Inc. | 1 | 0 | 10.7K | Jan 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.
- 1Brannon Oil & Gas, Inc.Jan 1993 → Jul 1995
- 2KCS Resources, Inc.Jul 1996 → Nov 2007
- 3Milagro Exploration, LLCDec 2007 → Oct 2015
- 4White Oak Operating Company LLCNov 2015 → Nov 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 696447-99 | Recompletion | Milagro Exploration, LLC | May 24, 2010 | May 26, 2010 | Dec 2, 2010 | 9,700 |
| 438620-98 | Recompletion | KCS Resources, Inc. | Nov 21, 1996 | Aug 9, 1995 | Apr 17, 1996 | 11,500 |
| 438620-99 | Recompletion | Brannon Oil & Gas, Inc. | Aug 7, 1995 | Aug 9, 1995 | — | 11,500 |
| 437380-99 | Recompletion | Brannon Oil & Gas, Inc. | Jun 29, 1995 | Jun 30, 1995 | Jun 26, 1995 | 10,216 |
| 415658-99 | Recompletion | Brannon Oil & Gas, Inc. | Sep 3, 1993 | Sep 9, 1993 | Aug 23, 1993 | 10,216 |
| 335152-99 | Recompletion | Prairie Producing Company | Aug 27, 1987 | Aug 31, 1987 | — | 10,216 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — 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 →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,816 | 8,826 | Perforated |
| 9,445 | 9,449 | Perforated |
| 9,475 | 9,484 | Perforated |
| 9,513 | 9,517 | Perforated |
| 9,520 | 9,524 | Perforated |
| 9,872 | 9,875 | Perforated |
| 9,988 | 9,992 | Perforated |
| 10,619 | 10,656 | Perforated |
| 10,628 | 10,656 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,443 | 15 | 650 S |
| 8.5 | 10,185 | 8.75 | 925 S |
| 5.5 | 10,185 | 8.75 | 925 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 22, 2011 | Mar 9, 2011 | — |
| 00 | Nov 3, 2010 | — | — |
| 00 | Nov 2, 2010 | Oct 12, 2010 | — |
| 00 | Aug 4, 2010 | Jun 8, 2010 | — |
| 00 | Jul 21, 1998 | Jan 21, 1998 | Yes |
| 00 | Apr 8, 1998 | — | — |
| 00 | Nov 3, 1995 | Jul 3, 1995 | Yes |
| 00 | Aug 28, 1995 | — | — |
| 00 | Oct 18, 1993 | Sep 17, 1993 | Yes |
| 00 | Oct 5, 1993 | — | — |
| 00 | Jul 19, 1991 | Jul 1, 1991 | — |
| 00 | Sep 25, 1987 | Sep 1, 1987 | Yes |
| 00 | Sep 15, 1987 | — | — |
| 00 | Jan 12, 1984 | Sep 11, 1980 | — |
| 00 | Jan 12, 1984 | Dec 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.
- Wellbore filings for 42-089-30485 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-089-30485 → scanned completion filings
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.