TEXAS · WELLS · MIDLAND COUNTY · CASS-COUNTISS 20O LEASE · API 42-329-45923 · DISTRICT 7B

Cass-Countiss 20O #15H

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Midland County · Spraberry (Trend Area) field · Producing  · Horizontal

Cass-Countiss 20o #15H (API 42-329-45923) is a horizontal well in Midland County operated by Pioneer Natural Res. USA Inc., completed December 26, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued October 13, 2022, permitted to 9,781 ft.

Completion filings report 10 formation tops, including Santa Rosa, Rustler, Yates, Seven Rivers.

Its lease has reported 247K barrels of oil and 614K mcf of gas since June 2023, last reporting in July 2026.

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
15,628
Phone
(972) 444-4001

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.Oct 13, 2022
9,781
total depth, ft
2
permits on file
Oct 13, 2022
last permit issued
Dec 26, 2023
completed
247K
cumulative oil, bbl
614K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 26, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

31.931742, -102.107867

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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cass-Countiss 20O O-10-60083Spraberry (Trend Area)Pioneer Natural Res. USA, Inc.1247K614KJun 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 43,706 · prior 12 97,870(-55%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 249,605 · prior 12 261,581(-5%)

010K20K30K202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Dec 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
883873-98DrillPioneer Natural Res. USA, Inc.Dec 8, 2022Oct 13, 2022Jun 5, 202310,391
883873-99DrillPioneer Natural Res. USA, Inc.Sep 12, 2022Oct 13, 2022—10,391

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 26, 2023Cass-Countiss 20O O-10-60083Spraberry (Trend Area)Pioneer Natural Res. USA Inc.Producing9,781

Formation tops

As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,1471,698
Rustler1,7371,108
Yates2,79253
Seven Rivers3,110-265
Queen3,909-1,064
Grayburg4,436-1,591
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,620-1,775
Clear ForkCLEARFORK7,017-4,172
Spraberry7,870-5,025
Glorieta——

Perforations

Perforated and open-hole intervals.

FromToType
9,90720,088Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,64417.51,800 S
9.6256,17312.251,455 S
5.520,1136.751,200 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
00May 23, 2024Mar 4, 2024—
00Jan 18, 2024Nov 1, 2023Yes

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Cass-Countiss 20C42-329-45926

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

Santa Rosa1,1511,698
Rustler1,7411,108
Yates2,80148
Seven Rivers3,113-264
Queen3,916-1,067
Grayburg4,443-1,594
San Andres4,644-1,795
Clear Fork7,022-4,173

10 TOPS · FIRST 8

Cass-Countiss 20D42-329-45927

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

Santa Rosa1,1511,698
Rustler1,7411,108
Yates2,79653
Seven Rivers3,112-263
Queen3,920-1,071
Grayburg4,445-1,596
San Andres4,641-1,792
Clear Fork7,017-4,168

10 TOPS · FIRST 8

Garrett A42-329-44382

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

Rustler1,7401,065
Yates2,79015
Seven Rivers3,103-298
Queen3,859-1,054
Grayburg4,467-1,662
San Andres4,886-2,081
Glorieta5,935-3,130
Clear Fork7,042-4,237

10 TOPS · FIRST 8

Cass-Countiss 20E42-329-45928

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

Santa Rosa1,1511,698
Rustler1,7411,108
Yates2,79752
Seven Rivers3,114-265
Queen3,915-1,066
Grayburg4,442-1,593
San Andres4,638-1,789
Clear Fork7,018-4,169

18 TOPS · FIRST 8

Garrett A42-329-44385

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

Santa Rosa1,1371,668
Rustler1,7401,065
Yates2,808-3
Seven Rivers3,162-357
Queen3,734-929
Grayburg4,183-1,378
San Andres4,937-2,132
Glorieta5,937-3,132

10 TOPS · FIRST 8

Cass-Countiss 20K42-329-45932

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

Santa Rosa1,1471,698
Rustler1,7371,108
Yates2,79649
Seven Rivers3,129-284
Queen3,911-1,066
Grayburg4,435-1,590
San Andres4,632-1,787
Clear Fork7,017-4,172

10 TOPS · FIRST 8

Cass-Countiss 20J42-329-45931

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

Santa Rosa1,1471,698
Rustler1,7371,108
Yates2,78956
Seven Rivers3,115-270
Queen3,908-1,063
Grayburg4,433-1,588
San Andres4,625-1,780
Clear Fork7,023-4,178

10 TOPS · FIRST 8

Cass-Countiss 20L42-329-45933

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

Santa Rosa1,1471,698
Rustler1,7371,108
Yates2,78758
Seven Rivers3,117-272
Queen3,907-1,062
Grayburg4,428-1,583
San Andres4,613-1,768
Clear Fork7,026-4,181

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/32945923, documented in the API reference.