WELL · 42-329-00543 · DISTRICT 8

Buchanan Mrs. O.P. #4

N

Midland County · Azalea (Strawn) field  · Vertical

Buchanan Mrs. O.P. #4 (API 42-329-00543) is a well in Midland County operated by Pioneer Natural Res. USA Inc., completed February 7, 2024.

The RRC has issued one drilling permit, issued May 23, 2024, permitted to 11,470 ft.

Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.

Its 2 leases have reported 66.5K barrels of oil and 487K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 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 · 15,618 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 Feb 2026
Latest permitPioneer Natural Res. USA, Inc.May 23, 2024
11,470
total depth, ft
1
permits on file
May 23, 2024
last permit issued
Feb 7, 2024
completed
66.5K
cumulative oil, bbl
487K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 7, 2024
Shut in
—
Plugged
—

Surface location

31.971137, -101.901805

OpenStreetMap → ·  Google Maps →

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

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Buchanan, Mrs. O.P. O-10-62089Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.16.48K9.25KJun 2024 – Jul 2026
Buchanan, Mrs. O.P. O-10-24608Azalea (Strawn)Pioneer Natural Res. USA, Inc.160K478KJan 1993 – Feb 2025

Oil, barrels lease total

Last 12 months 3,452 · prior 12 3,030(+14%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 6,315 · prior 12 2,934(+115%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Fasken, BarbaraJan 1993 → Dec 1995
  2. 2Fasken Oil and Ranch, Ltd.Jan 1996 → Feb 2019
  3. 3DE3 Operating LLCMar 2019 → Mar 2020
  4. 4Pioneer Natural Res. USA, Inc.Jun 2024 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
899888-99RecompletionPioneer Natural Res. USA, Inc.May 21, 2024May 23, 2024—11,470

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-24608————
—— O-10-62089————

Formation tops

As filed on W-2/G-1. Subsea from 2,685 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK6,428-3,743
Spraberry7,292-4,607
Dean8,645-5,960
Wolfcamp8,837-6,152

Perforations

Perforated and open-hole intervals.

FromToType
8,9059,407Perforated
10,37210,394Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,764—1,100 S
7.6259,200—1,000 S
2.37511,300——
2———

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
00Dec 18, 2024Oct 25, 2024—
00Apr 19, 2024Feb 14, 2024—
00Jan 12, 1984Sep 30, 1960—
00Jan 12, 1984Jul 22, 1960—
00Jan 12, 1984——

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). 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 →

Buchs Dough 1 SWD42-329-44367

0.7 KM · Park Hill Disposal LLC · Section with this well →

Santa Rosa1,0001,678
Rustler1,5611,117
Yates2,500178
Seven Rivers2,808-130
Queen3,483-805
Grayburg3,968-1,290
San Andres4,242-1,564
Glorieta5,442-2,764

10 TOPS · FIRST 8

Buchs Dough SWD42-329-45471

0.7 KM · Tall Dune Resources, LLC · Section with this well →

Santa Rosa9971,685
Rustler1,6071,075
Yates2,507175
Queen3,568-886
Grayburg4,277-1,595
San Andres4,599-1,917
Glorieta5,312-2,630
Seven Rivers—

10 TOPS · FIRST 8

Buchs Dough SWD42-329-47107

1.2 KM · Crownquest Operating, LLC · Section with this well →

Santa Rosa9951,686
Rustler1,6311,050
Yates2,500181
Queen3,606-925
Grayburg4,250-1,569
San Andres4,712-2,031
Glorieta5,332-2,651
Clear Fork—

10 TOPS · FIRST 8

Marshall 34 Unit A42-329-47513

1.3 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa8651,801
Yates2,490176
Seven Rivers2,57096
Queen3,007-341
Grayburg3,602-936
San Andres4,031-1,365
Glorieta5,436-2,770
Clear Fork6,431-3,765

10 TOPS · FIRST 8

Marshall 34 Unit A42-329-47512

1.3 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa8811,785
Yates2,494172
Seven Rivers2,57591
Queen3,025-359
Grayburg3,638-972
San Andres4,082-1,416
Glorieta5,531-2,865
Clear Fork6,545-3,879

10 TOPS · FIRST 8

Marshall 34 Unit B42-329-47518

1.3 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa8561,810
Yates2,469197
Seven Rivers2,550116
Queen3,000-334
Grayburg3,582-916
San Andres4,058-1,392
Glorieta5,509-2,843
Clear Fork6,521-3,855

10 TOPS · FIRST 8

Marshall 34 Unit C42-329-47521

1.3 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa8811,785
Yates2,494172
Seven Rivers2,57591
Queen3,024-358
Grayburg3,638-972
San Andres4,082-1,416
Glorieta5,531-2,865
Clear Fork6,545-3,879

10 TOPS · FIRST 8

Marshall 34 Unit B42-329-47519

1.4 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa8561,810
Yates2,469197
Seven Rivers2,549117
Queen2,999-333
Grayburg3,611-945
San Andres4,055-1,389
Glorieta5,502-2,836
Clear Fork6,521-3,855

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/32900543, documented in the API reference.