WELL · 42-471-30288 · DISTRICT 3
Colburn Unit #1H
Walker County · Mossy Grove (Glen Rose) field · Horizontal
Colburn Unit #1H (API 42-471-30288) is a plugged horizontal well in Walker County, plugged January 20, 2021, last operated by Eog Resources Inc..
The RRC has issued one drilling permit, issued August 26, 1999, permitted to 13,000 ft.
It was permitted by Gruy Petroleum Management CO. and has since transferred to Eog Resources Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Woodbine, Buda, Edwards, Paluxy.
Operator of record
Permitted by Gruy Petroleum Management Co.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jul 4, 2026 · 16,348 permits on file · (713) 594-5431
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through Feb 2016 |
| Latest permit | Gruy Petroleum Management Co.Aug 26, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,000
- total depth, ft
- 1
- permits on file
- Aug 26, 1999
- last permit issued
- Dec 30, 1999
- completed
- 0
- cumulative oil, bbl
- 344K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1999 THROUGH Nov 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 30, 1999
- Shut in
- —
- Plugged
- Jan 20, 2021
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Colburn Unit G-3-178270 | Mossy Grove (Glen Rose) | EOG Resources, Inc. | 1 | 0 | 344K | Dec 1999 – Nov 2021 |
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.
- 1Gruy Petroleum Management Co.Jan 2000 → Apr 2006
- 2Cimarex Energy Co. of ColoradoMay 2006 → Dec 2008
- 3Bluestone Natural Resources, LLCJan 2009 → Jul 2013
- 4EOG Resources, Inc.Aug 2013 → Feb 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 487015-99 | Drill | Gruy Petroleum Management Co. | Aug 26, 1999 | Aug 26, 1999 | Sep 25, 1999 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-178270 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 245 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,890 | 20,001 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 70 | — | — |
| 13.375 | 2,310 | 17.5 | 1,434 S |
| 9.625 | 10,744 | 12.25 | 1,040 S |
| 7 | 11,890 | 8.75 | 242 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 | Oct 4, 2000 | Feb 24, 2000 | Yes |
| 00 | Sep 1, 2000 | — | — |
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 42-471-30288 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-471-30288 → 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/47130288, documented in the API reference.