WELL · 42-461-40613 · DISTRICT 7

Holzgraf (SA) G #3974WB

Y

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

Holzgraf (SA) G #3974WB (API 42-461-40613) is a horizontal well in Upton County operated by Discovery Operating Inc., completed December 26, 2017 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued June 2, 2017, permitted to 10,500 ft.

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

Its lease has reported 328K barrels of oil and 1.86M mcf of gas since December 2017, 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.Jun 2, 2017
10,500
total depth, ft
2
permits on file
Jun 2, 2017
last permit issued
Dec 26, 2017
completed
328K
cumulative oil, bbl
1.86M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 26, 2017
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.634509, -102.191155

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 (SA) G O-9-19835Spraberry (Trend Area)Discovery Operating, Inc.1328K1.86MDec 2017 – Jul 2026

Gas, mcf lease total

Last 12 months 77,966 · prior 12 102,325(-24%)

010K20K30K202420252026

Oil, barrels lease total

Last 12 months 1,952 · prior 12 2,147(-9%)

0200400600202420252026

Chain of custody

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

  1. 1Discovery Operating, Inc.Dec 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
826626-98DrillDiscovery Operating, Inc.Jun 20, 2017Jun 2, 2017—10,500
826626-99DrillDiscovery Operating, Inc.May 12, 2017Jun 2, 2017Jun 21, 201710,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-19835————

Formation tops

As filed on W-2/G-1. Subsea from 2,884 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,83747
Grayburg4,488-1,604
San AndresSAN ANDRES - SALTWATER FLOW4,867-1,983
Spraberry7,071-4,187
Wolfcamp9,184-6,300
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
10,05317,772Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37546317.5470 S
9.6258,90012.251,165 S
5.517,8028.51,940 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 1, 2018Apr 5, 2018Yes
00Mar 22, 2018Feb 15, 2018Yes

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 (SA) F42-461-40612

0.0 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
Fusselman—
Strawn—
Devonian—

9 TOPS · FIRST 8

Holzgraf (SA) E42-461-40611

0.0 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—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

Holzgraf (SA) D42-461-40610

0.0 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
Devonian—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Holzgraf CT (SA) N42-461-40983

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

Yates2,81766
Grayburg4,489-1,606
San Andres4,745-1,862
Spraberry7,867-4,984
Strawn—
Devonian—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

Holzgraf CT (SA) V42-461-40990

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

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

9 TOPS · FIRST 8

Holzgraf CT (SA) U42-461-40989

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

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

9 TOPS · FIRST 8

Holzgraf CT (SA) R42-461-40985

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

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

9 TOPS · FIRST 8

Holzgraf CT (SA) S42-461-40986

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

Yates2,81865
Grayburg4,498-1,615
San Andres4,755-1,872
Spraberry7,877-4,994
Ellenburger—
Fusselman—
Wolfcamp—
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/46140613, documented in the API reference.