WELL · 42-317-44834 · DISTRICT 8
Robb-Stone W34D #4H
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Robb-Stone W34d #4H (API 42-317-44834) is a horizontal well in Martin County operated by Pioneer Natural Res. USA Inc., completed May 10, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 2, 2022, permitted to 9,974 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its lease has reported 439K barrels of oil and 323K mcf of gas since February 2023, 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.Nov 2, 2022 |
- 9,974
- total depth, ft
- 1
- permits on file
- Nov 2, 2022
- last permit issued
- May 10, 2023
- completed
- 439K
- cumulative oil, bbl
- 323K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 10, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.115652, -101.705571
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin 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 |
|---|---|---|---|---|---|---|
| Robb-Stone W34D O-10-59327 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 1 | 439K | 323K | Feb 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 81,760 · prior 12 111,982(-27%)
Gas, mcf lease total
Last 12 months 71,771 · prior 12 99,268(-28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.May 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 885268-99 | Drill | Pioneer Natural Res. USA, Inc. | Oct 27, 2022 | Nov 2, 2022 | Feb 24, 2023 | 9,974 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-59327 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,592 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 912 | 1,680 |
| Yates | 2,014 | 578 |
| Queen | 2,818 | -226 |
| Grayburg | 3,210 | -618 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 3,445 | -853 |
| Spraberry | 6,661 | -4,069 |
| Dean | 7,946 | -5,354 |
| Wolfcamp | 8,106 | -5,514 |
| Cisco | — | — |
| Pennsylvanian | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,315 | 23,742 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,148 | 17.5 | 1,200 S |
| 9.625 | 5,677 | 12.25 | 1,401 S |
| 5.5 | 23,762 | 8.5 | 3,149 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 | Aug 21, 2023 | Jul 6, 2023 | — |
| 00 | Aug 10, 2023 | Jun 5, 2023 | 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 42-317-44834 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-44834 → 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.
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.
Robb-Stone W34F42-317-44835
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 912 | 1,680 |
| Yates | 2,009 | 583 |
| Queen | 2,820 | -228 |
| Grayburg | 3,210 | -618 |
| San Andres | 3,445 | -853 |
| Spraberry | 6,659 | -4,067 |
| Dean | 7,942 | -5,350 |
| Wolfcamp | 8,114 | -5,522 |
10 TOPS · FIRST 8
Robb-Stone W34B42-317-44833
0.0 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 912 | 1,680 |
| Yates | 2,017 | 575 |
| Queen | 2,832 | -240 |
| Grayburg | 3,224 | -632 |
| San Andres | 3,460 | -868 |
| Clear Fork | 5,620 | -3,028 |
| Spraberry | 6,678 | -4,086 |
| Dean | 7,946 | -5,354 |
11 TOPS · FIRST 8
Robb-Stone E34A42-317-44965
0.6 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 926 | 1,660 |
| Yates | 1,994 | 592 |
| Queen | 2,820 | -234 |
| Grayburg | 3,230 | -644 |
| San Andres | 3,456 | -870 |
| Clear Fork | 5,548 | -2,962 |
| Spraberry | 6,642 | -4,056 |
| Dean | 7,944 | -5,358 |
11 TOPS · FIRST 8
Robb-Stone E34B42-317-44966
0.6 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 926 | 1,660 |
| Yates | 1,997 | 589 |
| Queen | 2,818 | -232 |
| Grayburg | 3,216 | -630 |
| San Andres | 3,458 | -872 |
| Clear Fork | 5,541 | -2,955 |
| Spraberry | 6,634 | -4,048 |
| Dean | 7,934 | -5,348 |
11 TOPS · FIRST 8
Robb-Stone E34C42-317-44967
0.6 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 926 | 1,660 |
| Yates | 2,005 | 581 |
| Queen | 2,818 | -232 |
| Grayburg | 3,215 | -629 |
| San Andres | 3,456 | -870 |
| Clear Fork | 5,539 | -2,953 |
| Spraberry | 6,623 | -4,037 |
| Dean | 7,927 | -5,341 |
11 TOPS · FIRST 8
Gem Stone 3542-227-41345
2.0 KM · Crownquest Operating, LLC · Section with this well →
| Rustler | 1,195 | 1,351 |
| Yates | 1,955 | 591 |
| San Andres | 3,659 | -1,113 |
| Glorieta | 4,538 | -1,992 |
| Clear Fork | 5,476 | -2,930 |
| Spraberry | 6,562 | -4,016 |
| Dean | 7,811 | -5,265 |
| Santa Rosa | — |
10 TOPS · FIRST 8
Barnett42-227-35904
2.2 KM · WTG Exploration · Section with this well →
| Spraberry | 9,162 | -6,624 |
| Spraberry | 9,162 | -6,624 |
| Mississippian | 9,762 | -7,224 |
| Siluro-Devonian | 10,527 | -7,989 |
| Wristen | 10,675 | -8,137 |
| Fusselman | 10,685 | -8,147 |
| Fusselman | 10,685 | -8,147 |
Lulo 3661BP42-227-41921
2.9 KM · OXY USA Inc. · Section with this well →
| Rustler | 1,206 | 1,323 |
| Yates | 1,947 | 582 |
| Seven Rivers | 2,151 | 378 |
| San Andres | 3,650 | -1,121 |
| Clear Fork | 5,421 | -2,892 |
| Spraberry | 6,514 | -3,985 |
| Dean | 7,777 | -5,248 |
| Santa Rosa | — |
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/31744834, documented in the API reference.