WELL · 42-461-37756 · DISTRICT 7
Walker B. S. #1
Upton County · Fuhrman-Mascho field · Vertical
Walker B. S. #1 (API 42-461-37756) is a well in Upton County operated by Hilcorp Energy Company, completed August 27, 2014.
The RRC has issued one drilling permit, issued November 18, 2011, permitted to 9,700 ft.
It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 4 formation tops, including Spraberry, Dean, Wolfcamp, Strawn.
Its 3 leases have reported 1.29M barrels of oil and 498K mcf of gas since January 1993, last reporting in July 2026. The leases carry 19 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Nov 18, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,700
- total depth, ft
- 1
- permits on file
- Nov 18, 2011
- last permit issued
- Aug 27, 2014
- completed
- 1.29M
- cumulative oil, bbl
- 498K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 27, 2014
- 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 3 leases this well is completed on; they carry 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Bloxom "18" O-9-21064 | Spraberry (Trend Area) | Crescent Energy Operating, LLC | 2 | 2.52K | 6.73K | Aug 2020 – Jul 2026 |
| Walker, B. S. O-10-21064 | Fuhrman-Mascho | Hilcorp Energy Company | 14 | 1.25M | 321K | Jan 1993 – Jul 2026 |
| Bloxom "18" O-9-17922 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 3 | 35.5K | 170K | May 2012 – May 2026 |
Oil, barrels lease total
Last 12 months 11,575 · prior 12 5,607(+106%)
Gas, mcf lease total
Last 12 months 8,678 · prior 12 2,507(+246%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Dec 2011
- 3XTO Energy Inc.Jan 2012 → Feb 2025
- 4Pioneer Natural Res. USA, Inc.May 2012 → Jul 2020
- 5Henry Resources LLCSep 2020 → Jul 2023
- 6Hilcorp Energy CompanyApr 2025 → Apr 2026
- 7Crescent Energy Operating, LLCJan 2026 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 728312-99 | Drill | Pioneer Natural Res. USA, Inc. | Nov 15, 2011 | Nov 18, 2011 | Mar 15, 2012 | 9,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-17922 | — | — | — | — |
| — | — O-9-21064 | — | — | — | — |
| — | — O-10-21064 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,562 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,520 | 7,649 | Perforated |
| 7,756 | 7,857 | Perforated |
| 7,931 | 9,109 | Perforated |
| 9,186 | 9,303 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 530 | 11 | 230 S |
| 4.5 | 9,384 | 7.875 | 1,540 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 | Sep 18, 2020 | Oct 23, 2014 | — |
| 00 | Oct 28, 2014 | Oct 23, 2014 | — |
| 00 | Jun 5, 2013 | Jul 18, 2012 | 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 42-461-37756 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-37756 → 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/46137756, documented in the API reference.