TEXAS · WELLS · PECOS COUNTY · WEST RANCH LEASE · API 42-371-37236 · DISTRICT 7B
West Ranch #605
Pecos County · Pinon (Overthrust) field · Producing · Vertical
- Fields on the latest permit · any of 3
- Algerita (Ouachita Caballos) · Bitterweed, S. (Caballos) · Pinon (Overthrust)
- Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.
West Ranch #605 (API 42-371-37236) is a well in Pecos County operated by Longfellow Energy LP, completed April 17, 2003 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 24, 2003, permitted to 9,100 ft.
It was permitted by Riata Energy, Inc. and has since transferred to Longfellow Energy LP on the wellbore schedule.
Completion filings report 5 formation tops, including Base Cretaceous (marker), Tesnus, 1st Caballos, 2nd Caballos.
Its lease has reported 571 barrels of oil and 5.27M mcf of gas since April 2003, last reporting volume in April 2026.
Operator of record
Permitted by Riata Energy, Inc.; 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
- 41
- 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 | Riata Energy, Inc.Jan 24, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,100
- total depth, ft
- 2
- permits on file
- Jan 24, 2003
- last permit issued
- Apr 17, 2003
- completed
- 571
- cumulative oil, bbl
- 5.27M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2003 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 17, 2003
- 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 |
|---|---|---|---|---|---|---|
| West Ranch G-10-194416 | Pinon (Overthrust) | Longfellow Energy, LP | 1 | 571 | 5.27M | Apr 2003 – Apr 2026 |
Gas, mcf lease total
Last 12 months 16,224 · prior 12 6,660(+144%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Riata Energy, Inc.Apr 2003 → Nov 2006
- 2Sandridge Energy, Inc.Dec 2006 → May 2009
- 3Sandridge Expl. and Prod., LLCJun 2009 → Feb 2016
- 4Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
- 5Longfellow Energy, LPJan 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 527360-98 | Drill | Riata Energy, Inc. | May 2, 2003 | Jan 24, 2003 | — | 9,000 |
| 527360-99 | Drill | Riata Energy, Inc. | Jan 16, 2003 | Jan 24, 2003 | Feb 3, 2003 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 17, 2003 | West Ranch G-10-194416 | Pinon (Overthrust) | Longfellow Energy LP | Producing | 9,100 |
Formation tops
As filed on W-2/G-1. Subsea from 4,055 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,800 | 2,255 |
| Tesnus | 3,670 | 385 |
| 1ST Caballos | 4,860 | -805 |
| 2ND Caballos | 6,820 | -2,765 |
| 3RD Caballos | 8,620 | -4,565 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,827 | 7,116 | Perforated |
| 8,574 | 8,705 | Perforated |
| 8,844 | 9,088 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,304 | 12.25 | 550 S |
| 7 | 4,112 | 8.75 | 410 S |
| 4.5 | 9,100 | 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. 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 | Jul 17, 2003 | May 5, 2003 | Yes |
| 00 | May 27, 2003 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-371-37236 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37236 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search 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/37137236, documented in the API reference.