TEXAS · WELLS · MADISON COUNTY · PORTERHOUSE UNIT A-255 LEASE · API 42-313-30768 · DISTRICT 03
Porterhouse Unit A-255 #1R
Madison County · Mossy Grove (Glen Rose) field · Horizontal
Porterhouse Unit A-255 #1R (API 42-313-30768) is a plugged horizontal well in Madison County, plugged May 10, 2022, last operated by Eog Resources Inc..
The RRC has issued one drilling permit, issued October 18, 2000, permitted to 12,100 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Eog Resources Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Base Chalk, Buda, Paluxy, Glen Rose.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,348
- Phone
- (713) 651-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through Jun 2020 |
| Latest permit | Union Pacific Resources CompanyOct 18, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,100
- total depth, ft
- 1
- permits on file
- Oct 18, 2000
- last permit issued
- Feb 27, 2001
- completed
- 0
- cumulative oil, bbl
- 2.08M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2001 THROUGH May 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 27, 2001
- Shut in
- —
- Plugged
- May 10, 2022
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 |
|---|---|---|---|---|---|---|
| Porterhouse Unit A-255 G-3-186107 | Mossy Grove (Glen Rose) | EOG Resources, Inc. | 1 | 0 | 2.08M | Feb 2001 – May 2022 |
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.Mar 2001 → Apr 2006
- 2Cimarex Energy Co. of ColoradoMay 2006 → Dec 2008
- 3Bluestone Natural Resources, LLCJan 2009 → Jul 2013
- 4EOG Resources, Inc.Aug 2013 → Jun 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 500931-99 | Drill | Union Pacific Resources Company | Oct 18, 2000 | Oct 18, 2000 | Oct 19, 2000 | 12,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 27, 2001 | Porterhouse Unit A-255 G-3-186107 | Mossy Grove (Glen Rose) | EOG Resources Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 190 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,578 | 19,328 | Open hole |
| 11,578 | 19,930 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 3,100 | 14.5 | 2,250 S |
| 9.625 | 10,220 | 12.25 | 810 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 | Feb 20, 2002 | Jul 9, 2001 | Yes |
| 00 | Dec 31, 2001 | — | — |
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 42-313-30768 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-313-30768 → 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/31330768, documented in the API reference.