TEXAS · WELLS · LAVACA COUNTY · API 42-285-33070 · DISTRICT 02
Mattern G.U. #1
Lavaca County · St. John the Baptizer (WX) field · Vertical
Mattern G.U. #1 (API 42-285-33070) is a plugged well in Lavaca County, plugged June 26, 2009, last operated by Kaler Energy Corp..
The RRC has issued 2 drilling permits in 2004, permitted to 11,200 ft.
Completion filings report 3 formation tops, including T/Yegua, T/Wilcox, T/Midway.
Operator of record
- Based in
- Boerne, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 9, 2026
- Permits on file
- 240
- Phone
- (210) 824-1361
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Kaler Energy Corp. |
| Production reports | Kaler Energy Corp.through Feb 2009 |
| Latest permit | Kaler Energy CorpDec 30, 2004 |
- 11,200
- total depth, ft
- 2
- permits on file
- Dec 30, 2004
- last permit issued
- Feb 5, 2005
- completed
- 0
- cumulative oil, bbl
- 80.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2004 THROUGH Jan 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 5, 2005
- Shut in
- —
- Plugged
- Jun 26, 2009
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 |
|---|---|---|---|---|---|---|
| Mattern G.U. G-2-216108 | St. John the Baptizer (WX) | Kaler Energy Corp. | 1 | 0 | 80.9K | Feb 2005 – Jan 2010 |
| Mattern G. U. G-2-204893 | Wildcat | Kaler Energy Corp. | 1 | 0 | 0 | Apr 2004 – Feb 2005 |
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.
- 1Kaler Energy Corp.Mar 2005 → Feb 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 555501-99 | Recompletion | Kaler Energy Corp | Dec 30, 2004 | Dec 30, 2004 | Mar 17, 2004 | 11,200 |
| 542774-99 | Drill | Strand Energy, L.C. | Mar 3, 2004 | Mar 3, 2004 | Mar 18, 2004 | 11,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 5, 2005 | Mattern G.U. G-2-216108 | St. John the Baptizer (WX) | Kaler Energy Corp. | Plugged | — |
| — | Mattern G. U. G-2-204893 | Wildcat | Kaler Energy Corp. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 250 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Yegua | 3,570 | -3,320 |
| T/Wilcox | 6,330 | -6,080 |
| T/Midway | 9,450 | -9,200 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,092 | 10,098 | Perforated |
| 10,104 | 10,107 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,000 | 14.75 | 1,197 S |
| 7.625 | 9,950 | 9.875 | 300 S |
| 2.875 | 10,351 | 6.75 | 150 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 | Nov 21, 2006 | Nov 21, 2005 | Yes |
| 00 | Jun 1, 2006 | — | — |
| 00 | Mar 23, 2005 | May 6, 2004 | Yes |
| 00 | Dec 29, 2004 | — | — |
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 42-285-33070 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-285-33070 → 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/28533070, documented in the API reference.