WELL · 42-461-41323 · DISTRICT 7
Holzgraf CT (SA) W #3946LS
Upton County · Spraberry (Trend Area) field · Horizontal
Holzgraf CT (SA) W #3946LS (API 42-461-41323) is a horizontal well in Upton County operated by Discovery Operating Inc., completed December 30, 2019.
The RRC has issued 2 drilling permits (amended once) between 2019 and 2021, permitted to 10,600 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its 2 leases have reported 778K barrels of oil and 3.74M mcf of gas since December 2019, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
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 schedule | Discovery Operating Inc. |
| Production reports | Discovery Operating, Inc.through Apr 2026 |
| Latest permit | Discovery Operating, Inc.Nov 3, 2021 |
- 10,600
- total depth, ft
- 3
- permits on file
- Nov 3, 2021
- last permit issued
- Dec 30, 2019
- completed
- 778K
- cumulative oil, bbl
- 3.74M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 30, 2019
- Shut in
- —
- Plugged
- —
Surface location
31.637272, -102.187197
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 2 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Holzgraf CT (SA) H O-9-20928 | Spraberry (Trend Area) | Discovery Operating, Inc. | 3 | 542K | 3.39M | Jan 2020 – Jul 2026 |
| Holzgraf CT (SA) W O-9-20955 | Spraberry (Trend Area) | Discovery Operating, Inc. | 1 | 236K | 351K | Dec 2019 – Feb 2022 |
Gas, mcf lease total
Last 12 months 498,713 · prior 12 700,619(-29%)
Oil, barrels lease total
Last 12 months 55,568 · prior 12 61,954(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Discovery Operating, Inc.May 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 873921-99 | Recompletion | Discovery Operating, Inc. | Oct 25, 2021 | Nov 3, 2021 | — | 10,600 |
| 857234-98 | Drill | Discovery Operating, Inc. | Dec 4, 2019 | Dec 4, 2019 | — | 10,600 |
| 857234-99 | Drill | Discovery Operating, Inc. | Sep 18, 2019 | Dec 4, 2019 | Dec 14, 2019 | 10,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-20928 | — | — | — | — |
| — | — O-9-20955 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,882 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,834 | 48 |
| Grayburg | 4,474 | -1,592 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,724 | -1,842 |
| Spraberry | 7,843 | -4,961 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,274 | 17,884 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 437 | 17.5 | 460 S |
| 9.625 | 8,236 | 12.25 | 780 S |
| 5.5 | 17,979 | 8.5 | 2,015 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 2, 2021 | Nov 11, 2021 | — |
| 00 | Dec 28, 2020 | Dec 14, 2020 | Yes |
| 00 | Jun 30, 2020 | May 4, 2020 | Yes |
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.
- Wellbore filings for 42-461-41323 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-41323 → scanned completion filings
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.
Holzgraf CT (SA) H42-461-41324
0.0 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,832 | 50 |
| Grayburg | 4,461 | -1,579 |
| San Andres | 4,706 | -1,824 |
| Spraberry | 7,828 | -4,946 |
| Wolfcamp | 9,195 | -6,313 |
| Strawn | — | |
| Devonian | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) X42-461-41325
0.0 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,826 | 56 |
| Grayburg | 4,453 | -1,571 |
| San Andres | 4,722 | -1,840 |
| Spraberry | 7,841 | -4,959 |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) N42-461-40983
0.4 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,817 | 66 |
| Grayburg | 4,489 | -1,606 |
| San Andres | 4,745 | -1,862 |
| Spraberry | 7,867 | -4,984 |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — | |
| Devonian | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) V42-461-40990
0.4 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,823 | 60 |
| Grayburg | 3,024 | -141 |
| San Andres | 4,741 | -1,858 |
| Spraberry | 7,866 | -4,983 |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) U42-461-40989
0.4 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,828 | 55 |
| Grayburg | 4,489 | -1,606 |
| San Andres | 4,751 | -1,868 |
| Spraberry | 7,866 | -4,983 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — | |
| Strawn | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) R42-461-40985
0.4 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,820 | 63 |
| Grayburg | 4,509 | -1,626 |
| San Andres | 4,771 | -1,888 |
| Spraberry | 7,893 | -5,010 |
| Fusselman | — | |
| Devonian | — | |
| Ellenburger | — | |
| Strawn | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) S42-461-40986
0.5 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,818 | 65 |
| Grayburg | 4,498 | -1,615 |
| San Andres | 4,755 | -1,872 |
| Spraberry | 7,877 | -4,994 |
| Strawn | — | |
| Wolfcamp | — | |
| Devonian | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Holzgraf (SA) G42-461-40613
0.5 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,837 | 47 |
| Grayburg | 4,488 | -1,604 |
| San Andres | 4,867 | -1,983 |
| Spraberry | 7,071 | -4,187 |
| Wolfcamp | 9,184 | -6,300 |
| Ellenburger | — | |
| Strawn | — | |
| Fusselman | — |
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/46141323, documented in the API reference.