WELL · 42-371-34603 · DISTRICT 8
Longfellow #403
Pecos County · Pinon (Overthrust) field · Vertical
Longfellow #403 (API 42-371-34603) is a well in Pecos County operated by Riata Energy Inc., completed August 1, 1984.
The RRC has issued 2 drilling permits between 1983 and 1999, permitted to 12,483 ft.
Completion filings report 11 formation tops, including Tesnus, Tesnus Sand, 1st Caballos, 1st Caballos Nov..
No lease production has been reported under this well’s leases.
Operator of record
Oklahoma City, OK · P-5 Y, filed Apr 4, 2026 · 588 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Riata Energy Inc. |
| Production reports | Longfellow Energy, LPthrough Apr 2026 |
| Latest permit | Riata Energy, Inc.Mar 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.
- 12,483
- total depth, ft
- 2
- permits on file
- Mar 26, 1999
- last permit issued
- Aug 1, 1984
- completed
- 0
- cumulative oil, bbl
- 920K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 1, 1984
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Longfellow G-10-188926 | Pinon (Overthrust) | Longfellow Energy, LP | 1 | 0 | 734K | Feb 2002 – Jul 2026 |
| Longfellow G-10-113969 | Pinon (Overthrust) | Riata Energy, Inc. | 1 | 0 | 186K | Jan 1993 – Feb 2002 |
Gas, mcf lease total
Last 12 months 238 · prior 12 1,741(-86%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fina Oil & Chemical CompanyJan 1993 → May 1998
- 2Riata Energy, Inc.Jun 1998 → Nov 2006
- 3Sandridge Energy, Inc.Dec 2006 → May 2009
- 4Sandridge Expl. and Prod., LLCJun 2009 → Feb 2016
- 5Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
- 6Longfellow Energy, LPJan 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 483505-99 | Recompletion | Riata Energy, Inc. | Mar 26, 1999 | Mar 26, 1999 | Jan 19, 2002 | 12,483 |
| 220970-99 | Drill | Tenneco Oil Co. | Jan 22, 1985 | Nov 18, 1983 | Dec 8, 1983 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-113969 | — | — | — | — |
| — | — G-10-188926 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 4,192 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tesnus | 2,704 | 1,488 |
| Tesnus Sand | 2,704 | 1,488 |
| 1ST Caballos | 4,700 | -508 |
| 1ST Caballos Nov. | 4,700 | -508 |
| 2ND Caballos | 7,400 | -3,208 |
| 2ND Caballos Nov. | 7,400 | -3,208 |
| Sub Thrust | 7,900 | -3,708 |
| Sub-Thrust | 7,900 | -3,708 |
| 1ST Mississipian | 8,900 | -4,708 |
| Mississippian1ST MISSISSIPPIAN | 8,900 | -4,708 |
| Atoka1ST ATOKA | 11,400 | -7,208 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,710 | 2,798 | Perforated |
| 3,110 | 3,172 | Perforated |
| 3,470 | 3,642 | Perforated |
| 7,631 | 7,738 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,410 | 17.5 | 1,425 S |
| 8.625 | 4,150 | 12.25 | 750 S |
| 4.5 | 10,900 | 6.125 | 250 S |
| 6.625 | 11,266 | 7.875 | 846 S |
| 6.625 | 11,272 | 7.875 | 846 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 | Jul 16, 2002 | Apr 4, 2002 | Yes |
| 00 | Jun 11, 2002 | — | — |
| 00 | Mar 5, 1985 | Dec 13, 1984 | — |
| 00 | Feb 14, 1985 | Nov 3, 1984 | — |
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 42-371-34603 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-34603 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/37134603, documented in the API reference.