WELL · 42-051-30651 · DISTRICT 3
Matcek Unit #3V
Burleson County · Caldwell (Austin Chalk) field · Vertical
Matcek Unit #3V (API 42-051-30651) is a well in Burleson County operated by Cox & Perkins Exploration Inc., completed March 30, 1980.
The RRC has issued one drilling permit (amended once), issued March 7, 1980, permitted to 8,200 ft.
Its 2 leases have reported 192K barrels of oil and 1.62M mcf of gas since January 1993, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.
Operator of record
Cox & Perkins Exploration Inc.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jan 3, 2012
- Permits on file
- 306
- Phone
- (713) 783-7880
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cox & Perkins Exploration Inc. |
| Production reports | Proline Energy Resources Incthrough Jan 2026 |
| Latest permit | CPC Exploration Inc.Mar 7, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,200
- total depth, ft
- 2
- permits on file
- Mar 7, 1980
- last permit issued
- Mar 30, 1980
- completed
- 192K
- cumulative oil, bbl
- 1.62M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 30, 1980
- 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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Newcomb-Matcek O-3-13585 | Caldwell (Austin Chalk) | Proline Energy Resources Inc | 6 | 190K | 1.61M | Jan 1993 – Jul 2026 |
| Matcek Unit O-3-12937 | Caldwell (Austin Chalk) | Cox & Perkins Exploration, Inc. | 1 | 1.89K | 4.38K | Jan 1993 – Aug 2003 |
Gas, mcf lease total
Last 12 months 1,050 · prior 12 2,303(-54%)
Oil, barrels lease total
Last 12 months 190 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cox & Perkins Exploration, Inc.Jan 1993 → Jun 2012
- 2Llewellin Operating Company, LLCJul 2012 → Dec 2013
- 3Zarvona Energy LLCJan 2014 → Oct 2017
- 4Proline Energy Resources IncNov 2017 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 74443-98 | Drill | Cox & Perkins Exploration, Inc. | Jan 17, 1992 | Mar 7, 1980 | — | 8,002 |
| 74443-99 | Drill | CPC Exploration Inc. | Mar 7, 1980 | Mar 7, 1980 | Mar 10, 1980 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-12937 | — | — | — | — |
| — | — O-3-13585 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,863 | 8,000 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,960 | 13.5 | 1,620 S |
| 2.375 | 7,765 | — | — |
| 5.5 | 7,863 | 8.75 | 350 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 3, 1994 | May 6, 1980 | — |
| 00 | Jan 12, 1984 | May 6, 1980 | — |
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 42-051-30651 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-051-30651 → 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/05130651, documented in the API reference.