WELL · 42-461-39353 · DISTRICT 7

Halff 2C #203

N

Upton County · Spraberry (Trend Area) R 40 Exc field  · Vertical

Halff 2c #203 (API 42-461-39353) is a well in Upton County operated by Pioneer Natural Res. USA Inc., completed July 16, 2014.

The RRC has issued 2 drilling permits (amended once) between 2014 and 2023, permitted to 11,800 ft.

Completion filings report 11 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its 3 leases have reported 1.27M barrels of oil and 3.66M mcf of gas since January 1993, last reporting in July 2026. The leases carry 119 wells, so these are lease totals, not this well alone.

Operator of record

Pioneer Natural Res. USA Inc.

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 schedulePioneer Natural Res. USA Inc.
Production reportsPioneer Natural Res. USA, Inc.through Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Dec 13, 2023
11,800
total depth, ft
3
permits on file
Dec 13, 2023
last permit issued
Jul 16, 2014
completed
1.27M
cumulative oil, bbl
3.66M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 16, 2014
Shut in
—
Plugged
—

Surface location

31.393817, -101.798761

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Upton County.

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 119 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Benedum /Spraberry/ Unit O-9-5204Benedum (Spraberry)Pioneer Natural Res. USA, Inc.1141.17M2.84MJan 1993 – Jul 2026
Halff 2C O-9-18839Spraberry (Trend Area) R 40 ExcPioneer Natural Res. USA, Inc.369.1K500KJul 2014 – Jul 2026
Halff 2C O-9-19328Spraberry (Trend Area) R 40 ExcPioneer Natural Res. USA, Inc.231.1K324KJun 2016 – Jul 2026

Oil, barrels lease total

Last 12 months 8,708 · prior 12 15,526(-44%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 7,067 · prior 12 11,454(-38%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Cox, John L.Jan 1993 → Sep 2003
  2. 2JM Cox Resources, L.P.Oct 2003 → Jul 2018
  3. 3Parsley Energy Operations, LLCJul 2014 → Sep 2018
  4. 4Pioneer Natural Res. USA, Inc.Jul 2016 → Apr 2026
  5. 5DE3 Operating LLCAug 2018 → May 2021

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
895674-99RecompletionPioneer Natural Res. USA, Inc.Dec 4, 2023Dec 13, 2023Jan 23, 20248,175
781739-98DrillParsley Energy Operations, LLCFeb 26, 2015Apr 25, 2014May 22, 201411,800
781739-99DrillParsley Energy Operations, LLCMar 10, 2014Apr 25, 2014May 22, 201411,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-5204————
—— O-9-18839————
—— O-9-19328————

Formation tops

As filed on W-2/G-1. Subsea from 2,678 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,845833
Grayburg3,144-466
San AndresSAN ANDRES - SALTWATER FLOW3,298-620
San AndresSAN ANDRES - SALTWATER FLOW4,400-1,722
Spraberry6,173-3,495
Spraberry6,700-4,022
Dean7,564-4,886
Wolfcamp7,749-5,071
Wolfcamp8,350-5,672
Devonian10,400-7,722
Strawn10,500-7,822
Pennsylvanian10,700-8,022
Devonian——
Ellenburger——
Fusselman——
Grayburg——
Strawn——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
7,6627,688Perforated
8,49411,632Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.7547317.5500 S
8.6254,90111640 S
5.511,7077.8751,416 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 5, 2024Aug 12, 2024—
00Aug 25, 2016Dec 16, 2014Yes
00Apr 8, 2015Dec 16, 2014Yes

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.

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.

Open the cross-section →

Benedum Spraberry Unit42-461-43410

1.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates1,2711,421
Grayburg3,749-1,057
San Andres5,076-2,384
Spraberry6,782-4,090
Wolfcamp—
Strawn—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Benedum Spraberry Unit42-461-43408

1.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,211481
Grayburg3,742-1,050
San Andres3,944-1,252
Spraberry7,050-4,358
Devonian—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Brook D-C31B42-461-41572

1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,196485
Grayburg3,784-1,103
San Andres3,900-1,219
Spraberry6,789-4,108
Wolfcamp8,391-5,710
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Brook D-C31A42-461-41370

1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,192489
Grayburg3,788-1,107
San Andres3,904-1,223
Spraberry6,785-4,104
Dean8,200-5,519
Wolfcamp8,383-5,702
Devonian—
Strawn—

10 TOPS · FIRST 8

Brook D-C31B42-461-41371

1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,124557
Grayburg3,425-744
San Andres3,571-890
Spraberry6,788-4,107
Dean8,202-5,521
Wolfcamp8,388-5,707
Devonian—
Strawn—

10 TOPS · FIRST 8

Brook D-C31C42-461-41372

1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,130551
Grayburg3,408-727
San Andres3,566-885
Spraberry6,779-4,098
Dean8,196-5,515
Fusselman—
Strawn—
Wolfcamp—

10 TOPS · FIRST 8

Brook D-C31D42-461-41373

1.3 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,189492
Grayburg3,791-1,110
San Andres3,902-1,221
Spraberry6,779-4,098
Wolfcamp8,377-5,696
Strawn—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Rogers 3-4042-461-40213

1.5 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Yates2,284385
San Andres3,300-631
Grayburg3,670-1,001
Spraberry7,500-4,831
Wolfcamp8,158-5,489
Ellenburger—
Devonian—
Strawn—

9 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/46139353, documented in the API reference.