WELL · 42-173-31968 · DISTRICT 8
Rylee #1
Glasscock County · Dewey Lake S. (Wolfcamp) field · Vertical
Rylee #1 (API 42-173-31968) is a well in Glasscock County operated by Endeavor Energy Resources L.P., completed February 19, 1987.
The RRC has issued 2 drilling permits between 1986 and 2016, permitted to 10,200 ft.
Completion filings report 6 formation tops, including Anhydrite, Yates, San Andres, Spraberry.
Its 2 leases have reported 31.7K barrels of oil and 329K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Endeavor Energy Resources L.P.Mar 21, 2016 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,200
- total depth, ft
- 2
- permits on file
- Mar 21, 2016
- last permit issued
- Feb 19, 1987
- completed
- 31.7K
- cumulative oil, bbl
- 329K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 19, 1987
- 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 |
|---|---|---|---|---|---|---|
| Rylee (P) O-10-47456 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 12K | 173K | Jan 2016 – Jul 2026 |
| Rylee O-10-31106 | Dewey Lake, S. (Wolfcamp) | Endeavor Energy Resources L.P. | 1 | 19.7K | 156K | Jan 1993 – Apr 2016 |
Gas, mcf lease total
Last 12 months 11,425 · prior 12 10,020(+14%)
Oil, barrels lease total
Last 12 months 632 · prior 12 560(+13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Palo Petroleum, Inc.Jan 1993 → Oct 2006
- 2Endeavor Energy Resources L.P.Nov 2006 → Jun 2020
- 3Diamondback E&P LLCJul 2020 → Apr 2026
- 4DE IV Operating, LLCJul 2024 → Apr 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 814217-99 | Field transfer | Endeavor Energy Resources L.P. | Mar 4, 2016 | Mar 21, 2016 | Sep 19, 2015 | 10,189 |
| 323101-99 | Drill | Palo Petroleum, Inc. | Nov 14, 1986 | Nov 25, 1986 | — | 10,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-31106 | — | — | — | — |
| — | — O-10-47456 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,703 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anhydrite | 1,306 | 1,397 |
| Yates | 2,014 | 689 |
| San Andres | 3,180 | -477 |
| Spraberry | 6,400 | -3,697 |
| Wolfcamp | 7,972 | -5,269 |
| Strawn | 10,003 | -7,300 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,519 | 8,984 | Perforated |
| 8,420 | 8,450 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 462 | 17.5 | 500 S |
| 9.625 | 3,300 | 12.25 | 200 S |
| 5.5 | 8,595 | 8.75 | 425 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 | Apr 12, 2016 | Jan 19, 2016 | Yes |
| 00 | Mar 25, 1987 | Mar 9, 1987 | Yes |
| 00 | Mar 16, 1987 | — | — |
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 42-173-31968 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31968 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/17331968, documented in the API reference.