TEXAS · WELLS · PECOS COUNTY · LONGFELLOW STATE "600" LEASE · API 42-371-37623 · DISTRICT 7B
Longfellow State 600 #1507
Pecos County · Pinon (Overthrust) field · Producing · Vertical
Longfellow State 600 #1507 (API 42-371-37623) is a well in Pecos County operated by Longfellow Energy LP, completed December 31, 2005 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 23, 2005, permitted to 6,000 ft.
It was permitted by Neg Operating LLC and has since transferred to Longfellow Energy LP on the wellbore schedule.
Completion filings report one formation top, including Base Of Caballos.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Neg Operating LLC; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 26, 2026
- Permits on file
- 37
- Phone
- (972) 590-9900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Longfellow Energy LP |
| Production reports | Longfellow Energy, LPthrough Apr 2026 |
| Latest permit | Neg Operating LLCSep 23, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 1
- permits on file
- Sep 23, 2005
- last permit issued
- Dec 31, 2005
- completed
- 0
- cumulative oil, bbl
- 1.11M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 31, 2005
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Longfellow State "600" G-10-220459 | Sabino (Caballos) | Longfellow Energy, LP | 1 | 0 | 1.11M | Dec 2005 – Jul 2026 |
Gas, mcf lease total
Last 12 months 18,285 · prior 12 11,506(+59%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Neg Operating LLCJan 2006 → Mar 2008
- 2Sandridge Expl. and Prod., LLCApr 2008 → Feb 2016
- 3Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
- 4Longfellow Energy, LPJan 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 606874-99 | Drill | Neg Operating LLC | Sep 23, 2005 | Sep 23, 2005 | Sep 29, 2005 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 31, 2005 | Longfellow State 600 G-10-220459 | Pinon (Overthrust) | Longfellow Energy LP | Producing | 6,000 |
Formation tops
As filed on W-2/G-1. Subsea from 3,405 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base of Caballos | 5,092 | -1,687 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,970 | 5,092 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,155 | 12.375 | 530 S |
| 7 | 4,983 | 8.75 | 205 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 | Mar 1, 2007 | Aug 22, 2006 | Yes |
| 00 | Oct 27, 2006 | — | — |
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 42-371-37623 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37623 → 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/37137623, documented in the API reference.