WELL · 42-461-40990 · DISTRICT 7
Holzgraf CT (SA) T #3943LS
Upton County · Spraberry (Trend Area) field · Horizontal
Holzgraf CT (SA) T #3943LS (API 42-461-40990) is a horizontal well in Upton County operated by Discovery Operating Inc., completed June 25, 2019.
The RRC has issued 2 drilling permits (amended once) between 2018 and 2021, permitted to 10,000 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its 2 leases have reported 634K barrels of oil and 3.85M mcf of gas since June 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 10, 2021 |
- 10,000
- total depth, ft
- 3
- permits on file
- Nov 10, 2021
- last permit issued
- Jun 25, 2019
- completed
- 634K
- cumulative oil, bbl
- 3.85M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 25, 2019
- Shut in
- —
- Plugged
- —
Surface location
31.634133, -102.189950
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) S O-9-20475 | Spraberry (Trend Area) | Discovery Operating, Inc. | 3 | 390K | 3.33M | Jun 2019 – Jul 2026 |
| Holzgraf CT (SA) T O-9-20448 | Spraberry (Trend Area) | Discovery Operating, Inc. | 1 | 245K | 515K | Jun 2019 – Feb 2022 |
Gas, mcf lease total
Last 12 months 801,081 · prior 12 743,498(+8%)
Oil, barrels lease total
Last 12 months 23,311 · prior 12 39,327(-41%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Discovery Operating, Inc.Jun 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 873929-99 | Recompletion | Discovery Operating, Inc. | Oct 25, 2021 | Nov 10, 2021 | — | 10,000 |
| 845367-98 | Drill | Discovery Operating, Inc. | Jan 31, 2019 | Nov 16, 2018 | Dec 3, 2018 | 10,000 |
| 845367-99 | Drill | Discovery Operating, Inc. | Oct 3, 2018 | Nov 16, 2018 | Dec 3, 2018 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-20448 | — | — | — | — |
| — | — O-9-20475 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,883 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,823 | 60 |
| Grayburg | 3,024 | -141 |
| Grayburg | 4,480 | -1,597 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,741 | -1,858 |
| Spraberry | 7,866 | -4,983 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,106 | 16,823 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.75 | 412 | 17.5 | 460 S |
| 9.625 | 8,133 | 12.25 | 755 S |
| 5.5 | 16,873 | 8.5 | 1,835 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 17, 2021 | — |
| 00 | Mar 19, 2020 | Nov 22, 2019 | — |
| 00 | Jan 8, 2020 | Aug 1, 2019 | 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 42-461-40990 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-40990 → 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) U42-461-40989
0.0 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 | — | |
| Wolfcamp | — | |
| Strawn | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) N42-461-40983
0.0 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 |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) R42-461-40985
0.0 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 | — | |
| Ellenburger | — | |
| Fusselman | — | |
| Strawn | — |
9 TOPS · FIRST 8
Holzgraf CT (SA) S42-461-40986
0.0 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 |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Holzgraf (SA) D42-461-40610
0.1 KM · Discovery Operating, Inc. · Section with this well →
| Yates | 2,837 | 47 |
| Grayburg | 4,511 | -1,627 |
| San Andres | 4,895 | -2,011 |
| Spraberry | 7,095 | -4,211 |
| Wolfcamp | 9,207 | -6,323 |
| Fusselman | — | |
| Ellenburger | — | |
| Strawn | — |
9 TOPS · FIRST 8
Holzgraf (SA) E42-461-40611
0.1 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 |
| Ellenburger | — | |
| Fusselman | — | |
| Devonian | — |
9 TOPS · FIRST 8
Holzgraf (SA) F42-461-40612
0.1 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 | — | |
| Fusselman | — | |
| Devonian | — |
9 TOPS · FIRST 8
Holzgraf (SA) G42-461-40613
0.1 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 | — | |
| 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/46140990, documented in the API reference.