WELL · 42-371-37448 · DISTRICT 8
Longfellow State #1501
Pecos County · Wildcat field · Vertical
Longfellow State #1501 (API 42-371-37448) is a well in Pecos County operated by Neg Operating LLC, completed June 6, 2005.
The RRC has issued one drilling permit, issued August 23, 2004, permitted to 9,000 ft.
It was permitted by Riata Energy, Inc. and has since transferred to Neg Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Base Cretaceous (marker), Wolfcamp, Tesnus, Caballos.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Riata Energy, Inc.; the EWA schedule now lists a different operator.
Oklahoma City, OK · P-5 Y, filed Sep 11, 2015 · 238 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Neg Operating LLC |
| Production reports | Neg Operating LLCthrough Jun 2006 |
| Latest permit | Riata Energy, Inc.Aug 23, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Aug 23, 2004
- last permit issued
- Jun 6, 2005
- completed
- 0
- cumulative oil, bbl
- 14.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 6, 2005
- 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 State "600" G-10-209877 | Sabino (Caballos) | Longfellow Energy, LP | 1 | 0 | 14.6K | Dec 2004 – Jul 2026 |
| Longfellow State G-10-210332 | Wildcat | Neg Operating LLC | 1 | 0 | 0 | Jun 2005 – Jul 2006 |
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.
- 1Riata Energy, Inc.Dec 2004 → Feb 2005
- 2Neg Operating LLCJun 2005 → Jun 2006
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 549941-99 | Drill | Riata Energy, Inc. | Aug 23, 2004 | Aug 23, 2004 | Sep 21, 2004 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-209877 | — | — | — | — |
| — | — G-10-210332 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,633 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 2,630 | 1,003 |
| WolfcampBASE WOLFCAMP (INCONFORMITY) | 4,060 | -427 |
| WolfcampBASE WOLFCAMP UNCONFORMITY | 4,060 | -427 |
| Tesnus | 5,380 | -1,747 |
| Caballos | 6,285 | -2,652 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,396 | 5,426 | Perforated |
| 5,440 | 5,496 | Perforated |
| 5,548 | 5,570 | Perforated |
| 6,502 | 6,647 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,195 | 12.25 | 890 S |
| 7 | 6,102 | 8.75 | 630 S |
| 4.5 | 7,120 | 6.125 | 260 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 14, 2006 | Aug 1, 2006 | — |
| 00 | Nov 3, 2005 | Aug 25, 2005 | — |
| 00 | Oct 17, 2005 | Feb 22, 2005 | Yes |
| 00 | Sep 1, 2005 | — | — |
| 00 | Aug 9, 2005 | — | — |
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 42-371-37448 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37448 → 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/37137448, documented in the API reference.