WELL · 42-173-39275 · DISTRICT 8
Riley 26K #111H
Glasscock County · Spraberry (Trend Area) field · Producing · Horizontal
Riley 26k #111H (API 42-173-39275) is a horizontal well in Glasscock County operated by Pioneer Natural Res. USA Inc., completed December 4, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 23, 2025, permitted to 10,269 ft.
Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.
Its lease has reported 97.3K barrels of oil and 344K mcf of gas since July 2025, last reporting in July 2026.
Operator of record
Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Apr 23, 2025 |
- 10,269
- total depth, ft
- 1
- permits on file
- Apr 23, 2025
- last permit issued
- Dec 4, 2025
- completed
- 97.3K
- cumulative oil, bbl
- 344K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 4, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.773972, -101.681062
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Glasscock County.
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 |
|---|---|---|---|---|---|---|
| Riley 26K O-10-64178 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 97.3K | 344K | Jul 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 97,308 · prior 12 0
Gas, mcf lease total
Last 12 months 343,815 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Dec 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 906915-99 | Drill | Pioneer Natural Res. USA, Inc. | Mar 25, 2025 | Apr 23, 2025 | May 11, 2025 | 10,269 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-64178 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,727 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 640 | 2,087 |
| Rustler | 1,193 | 1,534 |
| Yates | 2,189 | 538 |
| Seven Rivers | 2,468 | 259 |
| Queen | 2,957 | -230 |
| Grayburg | 3,421 | -694 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,684 | -957 |
| Clear ForkCLEARFORK | 5,603 | -2,876 |
| Spraberry | 6,749 | -4,022 |
| Glorieta | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,685 | 26,491 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,235 | 17.5 | 1,500 S |
| 9.625 | 5,094 | 12.25 | 1,196 S |
| 5.5 | 26,516 | 6.75 | 1,831 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 13, 2026 | Feb 13, 2026 | — |
| 00 | Dec 3, 2025 | Nov 17, 2025 | Yes |
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 42-173-39275 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-39275 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Riley 26L42-173-39276
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 640 | 2,087 |
| Rustler | 1,406 | 1,321 |
| Yates | 2,186 | 541 |
| Seven Rivers | 2,457 | 270 |
| Queen | 2,954 | -227 |
| Grayburg | 3,408 | -681 |
| San Andres | 3,675 | -948 |
| Clear Fork | 5,566 | -2,839 |
10 TOPS · FIRST 8
Riley 26J42-173-39274
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 640 | 2,087 |
| Rustler | 1,392 | 1,335 |
| Yates | 2,188 | 539 |
| Seven Rivers | 2,470 | 257 |
| Queen | 2,954 | -227 |
| Grayburg | 3,421 | -694 |
| San Andres | 3,683 | -956 |
| Clear Fork | 5,560 | -2,833 |
10 TOPS · FIRST 8
Tropicana East M 14-2642-173-38731
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 817 | 1,915 |
| Rustler | 1,336 | 1,396 |
| Yates | 2,183 | 549 |
| Seven Rivers | 2,463 | 269 |
| Queen | 2,991 | -259 |
| Grayburg | 3,410 | -678 |
| San Andres | 3,674 | -942 |
| Clear Fork | 5,595 | -2,863 |
10 TOPS · FIRST 8
Tropicana East M 14-2642-173-38730
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 817 | 1,915 |
| Rustler | 1,336 | 1,396 |
| Yates | 2,180 | 552 |
| Seven Rivers | 2,456 | 276 |
| Queen | 2,946 | -214 |
| Grayburg | 3,410 | -678 |
| San Andres | 3,668 | -936 |
| Clear Fork | 5,584 | -2,852 |
10 TOPS · FIRST 8
Tropicana East N 14-2642-173-38732
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 817 | 1,915 |
| Rustler | 1,336 | 1,396 |
| Yates | 2,192 | 540 |
| Seven Rivers | 2,466 | 266 |
| Queen | 2,959 | -227 |
| Grayburg | 3,411 | -679 |
| San Andres | 3,669 | -937 |
| Clear Fork | 5,569 | -2,837 |
11 TOPS · FIRST 8
Tropicana East O 14-2642-173-38733
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 817 | 1,915 |
| Rustler | 1,336 | 1,396 |
| Yates | 2,186 | 546 |
| Seven Rivers | 2,464 | 268 |
| Queen | 2,951 | -219 |
| Grayburg | 3,400 | -668 |
| San Andres | 3,657 | -925 |
| Clear Fork | 5,575 | -2,843 |
10 TOPS · FIRST 8
Tropicana East O 14-2642-173-38734
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 817 | 1,915 |
| Rustler | 1,336 | 1,396 |
| Yates | 2,181 | 551 |
| Seven Rivers | 2,455 | 277 |
| Queen | 2,953 | -221 |
| Grayburg | 3,400 | -668 |
| San Andres | 3,660 | -928 |
| Clear Fork | 5,562 | -2,830 |
10 TOPS · FIRST 8
Tropicana West 23-14K42-173-38869
0.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 817 | 1,915 |
| Rustler | 1,337 | 1,395 |
| Yates | 2,186 | 546 |
| Seven Rivers | 2,459 | 273 |
| Queen | 2,953 | -221 |
| Grayburg | 3,422 | -690 |
| San Andres | 3,688 | -956 |
| Clear Fork | 5,617 | -2,885 |
10 TOPS · FIRST 8
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/17339275, documented in the API reference.