WELL · 42-057-31600 · DISTRICT 2
Matagorda Bay S.T. 150 #1ST
Calhoun County · Matagorda Bay (Bol Mex) field · Directional
Matagorda Bay S.T. 150 #1ST (API 42-057-31600) is a well in Calhoun County operated by Sonterra Operating Inc., completed October 6, 2004.
The RRC has issued 3 drilling permits between 1999 and 2008, permitted to 13,000 ft.
Completion filings report 14 formation tops, including Bol Mex, Bolmex, 9200 Sand, 9250sand.
No lease production has been reported under this well’s leases.
Operator of record
Houston, TX · P-5 Y, filed Jun 4, 2026 · 2 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sonterra Operating Inc. |
| Production reports | Sonterra Operating, Inc.through Jan 2009 |
| Latest permit | Sonterra Operating, Inc.Nov 15, 2008 |
- 13,000
- total depth, ft
- 3
- permits on file
- Nov 15, 2008
- last permit issued
- Oct 6, 2004
- completed
- 0
- cumulative oil, bbl
- 2.43M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2000 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 6, 2004
- 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 |
|---|---|---|---|---|---|---|
| State Tract 150-1 G-2-252274 | Matagorda Bay (Bol Mex) | Sonterra Operating, Inc. | 1 | 0 | 0 | Mar 2009 – Jul 2026 |
| Matagorda Bay S.T. 150 G-2-179901 | Wildcat | Sonterra Operating, Inc. | 1 | 0 | 2.43M | Jan 2000 – Apr 2010 |
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.
- 1Union Oil Company of CaliforniaNov 2001 → Aug 2003
- 2Flash Gas & Oil Southwest, Inc.Sep 2003 → Sep 2007
- 3Sonterra Operating, Inc.Oct 2007 → Jan 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 672829-99 | Recompletion | Sonterra Operating, Inc. | Oct 9, 2008 | Nov 15, 2008 | Dec 1, 2008 | 10,320 |
| 509867-99 | Recompletion | Union Oil Company of California | Jun 5, 2001 | Jun 5, 2001 | Sep 11, 2001 | 13,000 |
| 487125-99 | Drill | Cockrell Oil Corporation | Aug 31, 1999 | Sep 7, 1999 | Oct 23, 1999 | 11,525 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-179901 | — | — | — | — |
| — | — G-2-252274 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 37 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Bol Mex | 8,863 | -8,826 |
| Bol Mex | 9,110 | -9,073 |
| Bolmex | 9,110 | -9,073 |
| 9200 Sand | 9,302 | -9,265 |
| 9250SAND | 9,366 | -9,329 |
| 9250 SD | 9,366 | -9,329 |
| 9259 SD | 9,366 | -9,329 |
| 9400 Sand | 9,515 | -9,478 |
| 9400 SD | 9,515 | -9,478 |
| 9600 Sand | 9,800 | -9,763 |
| 9600 SD | 9,800 | -9,763 |
| 9700 Sand | 9,900 | -9,863 |
| 9700 SD | 9,900 | -9,863 |
| 9800 Sand | 10,052 | -10,015 |
| 9800 SD | 10,052 | -10,015 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,302 | 9,320 | Perforated |
| 9,356 | 9,374 | Perforated |
| 9,710 | 9,722 | Perforated |
| 9,786 | 9,820 | Perforated |
| 9,900 | 9,908 | Perforated |
| 12,580 | — | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 3,347 | 17.5 | 2,305 S |
| 9.625 | 7,500 | 12.25 | 1,319 S |
| 9.625 | 7,500 | 12.5 | 1,319 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 29, 2010 | Jul 2, 2009 | Yes |
| 00 | Nov 3, 2009 | — | — |
| 00 | Mar 23, 2005 | Dec 9, 2004 | — |
| 00 | Sep 2, 2003 | May 1, 2003 | — |
| 00 | Aug 21, 2003 | Dec 3, 2001 | Yes |
| 00 | Nov 18, 2002 | Aug 19, 2001 | — |
| 00 | Mar 17, 2001 | Feb 7, 2000 | Yes |
| 00 | Dec 12, 2000 | — | — |
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 42-057-31600 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-057-31600 → 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/05731600, documented in the API reference.