WELL · 42-461-40610 · DISTRICT 7
Holzgraf (SA) D #3971WB
Upton County · Spraberry (Trend Area) field · Horizontal
Holzgraf (SA) D #3971WB (API 42-461-40610) is a horizontal well in Upton County operated by Discovery Operating Inc., completed December 24, 2017.
The RRC has issued 2 drilling permits (amended once) between 2017 and 2021, permitted to 10,500 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its 2 leases have reported 592K barrels of oil and 2.75M mcf of gas since December 2017, 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.Jan 13, 2021 |
- 10,500
- total depth, ft
- 3
- permits on file
- Jan 13, 2021
- last permit issued
- Dec 24, 2017
- completed
- 592K
- cumulative oil, bbl
- 2.75M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 24, 2017
- Shut in
- —
- Plugged
- —
Surface location
31.634271, -102.191076
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) R O-9-20476 | Spraberry (Trend Area) | Discovery Operating, Inc. | 3 | 366K | 1.91M | Jun 2019 – Jul 2026 |
| Holzgraf (SA) D O-9-19843 | Spraberry (Trend Area) | Discovery Operating, Inc. | 1 | 226K | 837K | Dec 2017 – Mar 2021 |
Gas, mcf lease total
Last 12 months 154,902 · prior 12 241,356(-36%)
Oil, barrels lease total
Last 12 months 12,544 · prior 12 12,600(0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Discovery Operating, Inc.Dec 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 866564-99 | Recompletion | Discovery Operating, Inc. | Dec 16, 2020 | Jan 13, 2021 | — | 10,500 |
| 826618-98 | Drill | Discovery Operating, Inc. | Jun 20, 2017 | Jun 2, 2017 | — | 10,500 |
| 826618-99 | Drill | Discovery Operating, Inc. | May 12, 2017 | Jun 2, 2017 | Jun 19, 2017 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-19843 | — | — | — | — |
| — | — O-9-20476 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,884 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,837 | 47 |
| Grayburg | 4,511 | -1,627 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,895 | -2,011 |
| Spraberry | 7,095 | -4,211 |
| Wolfcamp | 9,207 | -6,323 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,941 | 17,613 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 461 | 17.5 | 470 S |
| 9.625 | 8,933 | 12.25 | 1,165 S |
| 5.5 | 17,688 | 8.5 | 1,940 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 27, 2021 | Jan 14, 2021 | — |
| 00 | Apr 26, 2018 | Apr 5, 2018 | Yes |
| 00 | Mar 28, 2018 | Feb 15, 2018 | 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 42-461-40610 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-40610 → 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 (SA) E42-461-40611
0.0 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,835 | 49 |
| Grayburg | 4,501 | -1,617 |
| San Andres | 4,897 | -2,013 |
| Spraberry | 7,087 | -4,203 |
| Wolfcamp | 9,199 | -6,315 |
| Devonian | — | |
| Strawn | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Holzgraf (SA) F42-461-40612
0.0 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,826 | 58 |
| Grayburg | 4,466 | -1,582 |
| San Andres | 4,894 | -2,010 |
| Spraberry | 7,075 | -4,191 |
| Wolfcamp | 9,195 | -6,311 |
| Ellenburger | — | |
| Devonian | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Holzgraf (SA) G42-461-40613
0.0 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 |
| Fusselman | — | |
| Strawn | — | |
| Devonian | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) N42-461-40983
0.1 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 | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) V42-461-40990
0.1 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 |
| Strawn | — | |
| Wolfcamp | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) U42-461-40989
0.1 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 |
| Fusselman | — | |
| Ellenburger | — | |
| Strawn | — | |
| Wolfcamp | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) R42-461-40985
0.1 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 |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) S42-461-40986
0.1 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 |
| 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/46140610, documented in the API reference.