WELL · 42-461-40983 · DISTRICT 7

Holzgraf CT (SA) N #3961WA

Y

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

Holzgraf CT (SA) N #3961WA (API 42-461-40983) is a horizontal well in Upton County operated by Discovery Operating Inc., completed June 26, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued November 16, 2018, permitted to 10,000 ft.

Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 201K barrels of oil and 967K mcf of gas since June 2019, last reporting in July 2026.

Operator of record

Discovery Operating Inc.

Midland, TX · P-5 Y, filed Dec 4, 2025 · 712 permits on file · (432) 683-5203

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiscovery Operating Inc.
Production reportsDiscovery Operating, Inc.through Apr 2026
Latest permitDiscovery Operating, Inc.Nov 16, 2018
10,000
total depth, ft
2
permits on file
Nov 16, 2018
last permit issued
Jun 26, 2019
completed
201K
cumulative oil, bbl
967K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 26, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.634214, -102.189978

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Holzgraf CT (SA) N O-9-20450Spraberry (Trend Area)Discovery Operating, Inc.1201K967KJun 2019 – Jul 2026

Gas, mcf lease total

Last 12 months 22,276 · prior 12 20,875(+7%)

010K20K30K202420252026

Oil, barrels lease total

Last 12 months 5,414 · prior 12 3,413(+59%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Discovery Operating, Inc.Jun 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
845318-98DrillDiscovery Operating, Inc.Feb 1, 2019Nov 16, 2018Dec 4, 201810,000
845318-99DrillDiscovery Operating, Inc.Oct 3, 2018Nov 16, 2018Dec 4, 201810,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-20450————

Formation tops

As filed on W-2/G-1. Subsea from 2,883 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,81766
Grayburg4,489-1,606
San AndresSAN ANDRES - SALTWATER FLOW4,745-1,862
Spraberry7,867-4,984
Devonian——
Ellenburger——
Fusselman——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
9,60417,337Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37541417.5450 S
9.6258,57512.25755 S
5.517,3878.51,885 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
00Mar 3, 2020Nov 22, 2019Yes
00Jan 8, 2020Aug 5, 2019Yes

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 →

Holzgraf CT (SA) V42-461-40990

0.0 KM · Discovery Operating, Inc. · Section with this well →

Yates2,82360
Grayburg3,024-141
San Andres4,741-1,858
Spraberry7,866-4,983
Wolfcamp—
Strawn—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Holzgraf CT (SA) U42-461-40989

0.0 KM · Discovery Operating, Inc. · Section with this well →

Yates2,82855
Grayburg4,489-1,606
San Andres4,751-1,868
Spraberry7,866-4,983
Ellenburger—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Holzgraf CT (SA) R42-461-40985

0.0 KM · Discovery Operating, Inc. · Section with this well →

Yates2,82063
Grayburg4,509-1,626
San Andres4,771-1,888
Spraberry7,893-5,010
Ellenburger—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Holzgraf CT (SA) S42-461-40986

0.0 KM · Discovery Operating, Inc. · Section with this well →

Yates2,81865
Grayburg4,498-1,615
San Andres4,755-1,872
Spraberry7,877-4,994
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Holzgraf (SA) D42-461-40610

0.1 KM · Discovery Operating, Inc. · Section with this well →

Yates2,83747
Grayburg4,511-1,627
San Andres4,895-2,011
Spraberry7,095-4,211
Wolfcamp9,207-6,323
Fusselman—
Strawn—
Devonian—

9 TOPS · FIRST 8

Holzgraf (SA) E42-461-40611

0.1 KM · Discovery Operating, Inc. · Section with this well →

Yates2,83549
Grayburg4,501-1,617
San Andres4,897-2,013
Spraberry7,087-4,203
Wolfcamp9,199-6,315
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Holzgraf (SA) F42-461-40612

0.1 KM · Discovery Operating, Inc. · Section with this well →

Yates2,82658
Grayburg4,466-1,582
San Andres4,894-2,010
Spraberry7,075-4,191
Wolfcamp9,195-6,311
Ellenburger—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Holzgraf (SA) G42-461-40613

0.1 KM · Discovery Operating, Inc. · Section with this well →

Yates2,83747
Grayburg4,488-1,604
San Andres4,867-1,983
Spraberry7,071-4,187
Wolfcamp9,184-6,300
Fusselman—
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/46140983, documented in the API reference.