WELL · 42-255-31039 · DISTRICT 2
Samsel Gas Unit #1
Karnes County · Malo Domingo (Wilcox 10800) field · Vertical
Samsel Gas Unit #1 (API 42-255-31039) is a well in Karnes County operated by Hanson Minerals CO., completed December 1, 1982.
The RRC has issued 2 drilling permits between 1982 and 2011, permitted to 12,000 ft.
It was permitted by Dune Operating Company and has since transferred to Hanson Minerals CO. on the wellbore schedule.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Jackson, Yegua.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Dune Operating Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 3, 1995 · 418 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hanson Minerals Co. |
| Production reports | White Marlin Operating Co, LLCthrough Apr 2026 |
| Latest permit | Dune Operating CompanyApr 5, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Apr 5, 2011
- last permit issued
- Dec 1, 1982
- completed
- 0
- cumulative oil, bbl
- 3.05M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 1, 1982
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Samsel (Wilcox 9950') Gas Unit G-2-262191 | Malo Domingo (Wilcox 9950) | White Marlin Operating Co, LLC | 1 | 0 | 51.2K | Apr 2011 – Jul 2026 |
| Sansel Gas Unit G-2-106003 | Malo Domingo (Wilcox 10650) | Dune Operating Company | 1 | 0 | 3M | Jan 1993 – Apr 2012 |
Gas, mcf lease total
Last 12 months 765 · prior 12 547(+40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hanson Minerals Co.Jan 1993 → Aug 1993
- 2Hanson Production CompanySep 1993 → Mar 2003
- 3Hilcorp Energy CompanyApr 2003 → Sep 2006
- 4Goldking Operating Company, Inc.Oct 2006 → May 2007
- 5Dune Operating CompanyJun 2007 → Jun 2015
- 6White Marlin Operating Co, LLCJul 2015 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 713228-99 | Recompletion | Dune Operating Company | Mar 30, 2011 | Apr 5, 2011 | Apr 7, 2011 | 10,716 |
| 169174-99 | Drill | Hanson Minerals Co. | Aug 16, 1982 | Aug 16, 1982 | Sep 16, 1982 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-106003 | — | — | — | — |
| — | — G-2-262191 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 288 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 3,980 | -3,692 |
| Jackson | 4,760 | -4,472 |
| Yegua | 5,800 | -5,512 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,926 | 9,931 | Perforated |
| 10,668 | 10,690 | Perforated |
| 11,019 | 11,033 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,499 | 17.5 | 2,090 S |
| 5.5 | 8,628 | 9.625 | 75 S |
| 9.625 | 8,917 | 12.25 | 765 S |
| 9.625 | 8,918 | 12.25 | 765 S |
| 2.375 | 10,499 | — | — |
| 2.375 | 11,033 | — | — |
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 16, 2012 | Sep 20, 2011 | — |
| 00 | Jan 12, 1984 | Jun 27, 1983 | — |
| 00 | Jan 12, 1984 | May 10, 1983 | — |
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 42-255-31039 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31039 → 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.
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/25531039, documented in the API reference.