WELL · 42-371-36597 · DISTRICT 8
Longfellow #4
Pecos County · Pinon (Caballos) field · Vertical
Longfellow #4 (API 42-371-36597) is a well in Pecos County operated by Sandridge Energy Inc., completed July 16, 1997.
The RRC has issued one drilling permit, issued April 17, 1996, permitted to 9,000 ft.
It was permitted by Riata Energy, Inc. and has since transferred to Sandridge Energy Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Overthrust, Dimple, 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 Aug 7, 2009 · 698 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sandridge Energy Inc. |
| Production reports | Longfellow Energy, LPthrough Jan 2026 |
| Latest permit | Riata Energy, Inc.Apr 17, 1996 |
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
- Apr 17, 1996
- last permit issued
- Jul 16, 1997
- completed
- 0
- cumulative oil, bbl
- 7.11M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 16, 1997
- 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-10-165275 | Pinon (Overthrust) | Longfellow Energy, LP | 1 | 0 | 1.48M | Jul 1997 – Jul 2026 |
| Longfellow G-10-165274 | Pinon (Caballos) | Sandridge Energy, Inc. | 1 | 0 | 5.63M | Jul 1997 – Nov 2007 |
Gas, mcf lease total
Last 12 months 3,091 · prior 12 1,216(+154%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Riata Energy, Inc.Jul 1997 → Nov 2006
- 2Fina Oil & Chemical CompanyAug 1997 → May 1998
- 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 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 447142-99 | Drill | Riata Energy, Inc. | Apr 17, 1996 | Apr 17, 1996 | Apr 17, 1997 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-165274 | — | — | — | — |
| — | — G-10-165275 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 4,087 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Overthrust | 2,630 | 1,457 |
| Dimple | 3,184 | 903 |
| Tesnus | 3,840 | 247 |
| Caballos | 4,502 | -415 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,184 | 4,294 | Perforated |
| 4,504 | 4,748 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,410 | 12.25 | 370 S |
| 7 | 5,075 | 8.75 | 635 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 11, 2007 | Jun 29, 2007 | — |
| 00 | Jan 2, 1998 | Sep 12, 1997 | Yes |
| 00 | Dec 3, 1997 | — | — |
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 42-371-36597 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-36597 → 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/37136597, documented in the API reference.