WELL · 42-481-33591 · DISTRICT 3
Brothers-Knipling Oil Unit #1
Wharton County · Trans-Tex (3000 Cat.) field · Vertical
Brothers-Knipling Oil Unit #1 (API 42-481-33591) is a plugged well in Wharton County, plugged August 5, 2025, last operated by Viper S.W.D. LLC.
The RRC has issued 5 drilling permits between 1992 and 2018, permitted to 4,300 ft.
Completion filings report 4 formation tops, including Catahoula, Frio, Knipling, Hillje.
Its 6 leases have reported 37.6K barrels of oil and 83.3K mcf of gas since January 1993, last reporting in August 2025. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
EL Campo, TX · P-5 Y, filed May 4, 2026 · 43 permits on file · (979) 541-7292
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Viper S.W.D. LLC |
| Production reports | Viper S.W.D., LLCthrough May 2017 |
| Latest permit | Viper S.W.D., LLCAug 15, 2018 |
- 4,300
- total depth, ft
- 5
- permits on file
- Aug 15, 2018
- last permit issued
- Jan 28, 1997
- completed
- 37.6K
- cumulative oil, bbl
- 83.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 28, 1997
- Shut in
- —
- Plugged
- Aug 5, 2025
Surface location
29.229291, -96.410270
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Wharton County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 6 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Brothers-Knipling Oil Unit O-3-27357 | Tenna (Hillje Sand) | Viper S.W.D., LLC | 1 | 353 | 0 | Sep 2016 – Aug 2025 |
| Brothers-Knipling Oil Unit O-3-27283 | Trans-Tex (3000 Cat.) | Viper S.W.D., LLC | 1 | 0 | 0 | Jan 2017 – Oct 2018 |
| Brothers-Knipling Oil Unit O-3-27346 | Tenna (Knipling Sand) | Viper S.W.D., LLC | 1 | 0 | 0 | Jul 2016 – Sep 2018 |
| Brothers-Knipling Oil Unit G-3-163002 | Trans-Tex (3000 Cat.) | Viper S.W.D., LLC | 1 | 0 | 39K | Jan 1997 – Jul 2018 |
| Brothers-Knipling Oil Unit O-3-22024 | Tenna (Knipling Sand) | Owl Creek Production Co., Inc. | 1 | 35.9K | 37K | May 1993 – Sep 2002 |
| Brothers - Knipling Oil Unit O-3-21781 | Tenna (Hillje Sand) | Hardwick Oil Company | 1 | 1.34K | 7.29K | Jan 1993 – Jul 1993 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hardwick Oil CompanyJan 1993 → Dec 1997
- 2Owl Creek Production Co., Inc.Jan 1998 → Oct 1999
- 3Viper S.W.D., LLCJan 2017 → May 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 843511-99 | Recompletion | Viper S.W.D., LLC | Aug 13, 2018 | Aug 15, 2018 | — | 4,223 |
| 840861-99 | Recompletion | Viper S.W.D., LLC | Jun 5, 2018 | Jun 12, 2018 | — | 4,223 |
| 461346-99 | Recompletion | Hardwick Oil Company | Apr 18, 1997 | May 30, 1997 | Jan 24, 1997 | 3,860 |
| 410047-99 | Recompletion | Hardwick Oil Company | Mar 22, 1993 | Apr 30, 1993 | May 6, 1993 | 4,100 |
| 404342-99 | Drill | Hardwick Oil Company | Oct 6, 1992 | Oct 6, 1992 | Oct 19, 1992 | 4,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-163002 | — | — | — | — |
| — | — O-3-21781 | — | — | — | — |
| — | — O-3-22024 | — | — | — | — |
| — | — O-3-27283 | — | — | — | — |
| — | — O-3-27346 | — | — | — | — |
| — | — O-3-27357 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 104 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,965 | 2,968 | Perforated |
| 4,030 | 4,034 | Perforated |
| 4,120 | 4,128 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.5 | 509 | 10.75 | 250 S |
| 10.75 | 509 | 13.5 | 250 S |
| 9.875 | 4,223 | 7 | 1,050 S |
| 7 | 4,223 | 9.875 | 1,050 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 | Feb 12, 2019 | Jan 11, 2019 | — |
| 00 | Sep 14, 2018 | Aug 20, 2018 | — |
| 00 | Aug 9, 2018 | Jun 28, 2018 | — |
| 00 | Mar 2, 2018 | Sep 27, 2017 | — |
| 00 | Jun 20, 1997 | Jun 4, 1997 | Yes |
| 00 | Jun 6, 1997 | — | — |
| 00 | Jun 24, 1993 | May 12, 1993 | Yes |
| 00 | Jun 15, 1993 | Nov 25, 1992 | Yes |
| 00 | Jan 5, 1993 | Nov 25, 1992 | Yes |
| 00 | Dec 7, 1992 | — | — |
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 42-481-33591 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-33591 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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.
Viper-Knipling42-481-35433
0.7 KM · Viper S.W.D., LLC · Section with this well →
| Miocene (undifferentiated) | 964 | -859 |
| Miocene (undifferentiated) | 1,948 | -1,843 |
| Catahoula | 3,078 | -2,973 |
| Catahoula | 3,200 | -3,095 |
| Frio | 3,679 | -3,574 |
| Gretta - Disposal | — | |
| Hungerford - Disposal | — | |
| Anahuac | — |
10 TOPS · FIRST 8
Wegenhoft, I.W.42-481-35477
1.2 KM · Viper S.W.D., LLC · Section with this well →
| Frio | 1,970 | |
| Yegua | 2,650 | |
| Hungerford - Disposal | 2,990 | |
| Miocene (undifferentiated) | 3,000 | |
| Catahoula | 3,200 | |
| Wilcox | — | |
| Whitsett - Disposal | — | |
| Gretta - Disposal | — |
10 TOPS · FIRST 8
Wegenhoft, I.W.42-481-35456
1.2 KM · Viper S.W.D., LLC · Section with this well →
| Miocene (undifferentiated) | 950 | -845 |
| Frio | 1,970 | -1,865 |
| Catahoula | 3,200 | -3,095 |
| Hungerford - Disposal | — | |
| Gretta - Disposal | — | |
| Boling Dome - Disposal | — | |
| Anahuac | — | |
| Yegua | — |
10 TOPS · FIRST 8
Viper Swanson42-481-35425
1.8 KM · Viper S.W.D., LLC · Section with this well →
| Miocene (undifferentiated) | 950 | |
| Frio | 1,970 | |
| Catahoula | 3,200 | |
| Yegua | — | |
| Anahuac | — | |
| Boling Dome - Disposal | — | |
| Gretta - Disposal | — | |
| Hungerford - Disposal | — |
10 TOPS · FIRST 8
W.E. Swanson42-481-33658
2.4 KM · Viper S.W.D., LLC · Section with this well →
| Catahoula | 3,000 | -2,893 |
| Massive Miocene | 3,190 | -3,083 |
| Frio | 3,715 | -3,608 |
| Canuck Hillje | 4,167 | -4,060 |
Weinheimer42-481-34760
5.2 KM · Transtexas Gas Corporation · Section with this well →
| Frio | 5,414 | -5,294 |
| Yegua | 7,068 | -6,948 |
| Wilcox | 11,816 | -11,696 |
Gresham Unit42-481-35431
5.4 KM · Kaler Energy Corp. · Section with this well →
| Miocene (undifferentiated) | 1,500 | -1,407 |
| Anahuac | 2,400 | -2,307 |
| Catahoula | 3,350 | -3,257 |
| Gretta - Disposal | 3,870 | -3,777 |
| Frio | 4,350 | -4,257 |
| Yegua | — | |
| Wilcox | — | |
| Whitsett - Disposal | — |
10 TOPS · FIRST 8
Maxwell Unit42-481-35481
6.1 KM · Kaler Energy Corp. · Section with this well →
| Miocene (undifferentiated) | 2,370 | -2,279 |
| Catahoula | 2,370 | -2,279 |
| Gretta - Disposal | 3,350 | -3,259 |
| Frio | 3,850 | -3,759 |
| Wilcox | — | |
| Anahuac | — | |
| Yegua | — | |
| Boling Dome - Disposal | — |
10 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/48133591, documented in the API reference.