WELL · 42-461-38770 · DISTRICT 7

Robbie 17A-8-F #4

N

Upton County · Spraberry (Trend Area) field  · Vertical

Robbie 17a-8-F #4 (API 42-461-38770) is a well in Upton County operated by Pioneer Natural Res. USA Inc., completed August 21, 2013.

The RRC has issued one drilling permit, issued May 2, 2013, permitted to 10,400 ft.

Completion filings report 4 formation tops, including Clearford, Spraberry, Wolfcamp, Strawn.

Its 3 leases have reported 466K barrels of oil and 1.24M mcf of gas since May 2011, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.

Operator of record

Pioneer Natural Res. USA Inc.

Based in
Spring, TX
P-5 status
Active (A)
P-5 last filed
Jul 8, 2026
Permits on file
15,619
Phone
(972) 444-4001

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePioneer Natural Res. USA Inc.
Production reportsCrescent Energy Operating, LLCthrough Apr 2026
Latest permitPioneer Natural Res. USA, Inc.May 2, 2013

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

10,400
total depth, ft
1
permits on file
May 2, 2013
last permit issued
Aug 21, 2013
completed
466K
cumulative oil, bbl
1.24M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 21, 2013
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 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Bloxom "20" O-9-17497Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.480.8K163KMay 2011 – Jul 2026
Robbie 17A-8-F O-9-20172Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.3365K1.06MNov 2018 – Jul 2026
Bloxom "20" O-9-21072Spraberry (Trend Area)Crescent Energy Operating, LLC220.2K19.2KAug 2020 – Jul 2026

Oil, barrels lease total

Last 12 months 21,558 · prior 12 24,092(-11%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 90,788 · prior 12 104,406(-13%)

05K10K15K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Pioneer Natural Res. USA, Inc.Jun 2011 → Apr 2026
  2. 2Parsley Energy Operations, LLCNov 2018 → Jan 2021
  3. 3Henry Resources LLCSep 2020 → Jul 2023
  4. 4Vital Energy, Inc.Aug 2023 → Dec 2025
  5. 5Crescent Energy Operating, LLCJan 2026 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
761779-99DrillPioneer Natural Res. USA, Inc.May 1, 2013May 2, 2013Jun 19, 201310,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-17497————
—— O-9-20172————
—— O-9-21072————

Formation tops

As filed on W-2/G-1. Subsea from 2,540 ft elevation.Download CSV →

FormationMD ftSubsea
Clearford5,998-3,458
Spraberry6,426-3,886
Wolfcamp7,855-5,315
Strawn9,396-6,856

Perforations

Perforated and open-hole intervals.

FromToType
6,4269,801Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37550717.5610 S
8.6255,054111,040 S
4.59,8787.8751,100 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Sep 9, 2020Dec 11, 2013Yes
00Sep 8, 2020Dec 11, 2013Yes
00Jan 14, 2014Dec 11, 2013Yes

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.

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/46138770, documented in the API reference.