TEXAS · WELLS · REAGAN COUNTY · GRIERSON STATE LEASE · API 42-383-34487 · DISTRICT 6E
Grierson State #1
Reagan County · Grierson Spring (Strawn) field · Vertical
Grierson State #1 (API 42-383-34487) is a plugged well in Reagan County, plugged September 6, 2018, last operated by Apache Corporation.
The RRC has issued 2 drilling permits (amended once) between 1995 and 2005, permitted to 9,500 ft.
It was permitted by Marathon Oil Company and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 4 formation tops, including Dean, Wolfcamp, Strawn, Devonian.
Its lease has reported 11.7K barrels of oil and 178K mcf of gas since November 1995, with no volume in the three years through April 2026.
Operator of record
Permitted by Marathon Oil Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 9,758
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Feb 2018 |
| Latest permit | Marathon Oil CompanyJul 7, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 3
- permits on file
- Jul 7, 2005
- last permit issued
- Nov 13, 1995
- completed
- 11.7K
- cumulative oil, bbl
- 178K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1995 THROUGH Feb 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 13, 1995
- Shut in
- —
- Plugged
- Sep 6, 2018
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 |
|---|---|---|---|---|---|---|
| Grierson State G-9-156490 | Grierson Spring (Strawn) | Apache Corporation | 1 | 11.7K | 178K | Nov 1995 – Feb 2018 |
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.
- 1Enron Oil & Gas CompanyNov 1995 → Nov 1995
- 2Marathon Oil CompanyDec 1995 → Apr 2009
- 3Apache CorporationJun 2009 → Feb 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 603072-99 | Recompletion | Marathon Oil Company | Jul 6, 2005 | Jul 7, 2005 | — | 9,085 |
| 440179-98 | Drill | Enron Oil & Gas Company | Oct 30, 1995 | Sep 27, 1995 | — | 9,500 |
| 440179-99 | Drill | Enron Oil & Gas Company | Sep 25, 1995 | Sep 27, 1995 | Oct 7, 1995 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 13, 1995 | Grierson State G-9-156490 | Grierson Spring (Strawn) | Apache Corporation | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,938 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,822 | 8,838 | Perforated |
| 8,861 | 8,873 | Perforated |
| 8,880 | 8,902 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 757 | 14.75 | 550 S |
| 8.625 | 3,158 | 11 | 750 S |
| 5.5 | 9,082 | 7.875 | 300 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 13, 1996 | Dec 27, 1995 | Yes |
| 00 | Jan 5, 1996 | — | — |
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 42-383-34487 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-34487 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/38334487, documented in the API reference.