WELL · 42-311-32521 · DISTRICT 1
Matocha #5
McMullen County · A.W.P. (Olmos) field · Shut IN · Vertical
Matocha #5 (API 42-311-32521) is a well in Mcmullen County operated by Dorado Drilling Inc., completed April 15, 1987 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued January 29, 1987, permitted to 9,500 ft.
It was permitted by Tana Oil & Gas Corp. and has since transferred to Dorado Drilling Inc. on the wellbore schedule.
Its lease has reported 138K barrels of oil and 1.4M mcf of gas since January 1993, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tana Oil & Gas Corp.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Dec 4, 2025 · (662) 590-2440
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Dorado Drilling Inc. |
| Production reports | Dorado Drilling, Inc.through Nov 2023 |
| Latest permit | Tana Oil & Gas Corp.Jan 29, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Jan 29, 1987
- last permit issued
- Apr 15, 1987
- completed
- 138K
- cumulative oil, bbl
- 1.4M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 15, 1987
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 lease this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Matocha O-1-10316 | A.W.P. (Olmos) | Dorado Drilling, Inc. | 5 | 138K | 1.4M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Texaco E & P Inc.Jan 1993 → Feb 1995
- 2Apache CorporationMar 1995 → Mar 1998
- 3Tri-Union Development Corp.Apr 1998 → Oct 2004
- 4Texcal Energy (GP) LLCNov 2004 → May 2010
- 5Milagro Exploration, LLCJun 2010 → Oct 2015
- 6White Oak Operating Company LLCNov 2015 → Aug 2020
- 7Dorado Drilling, Inc.Oct 2020 → Apr 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 325802-99 | Drill | Tana Oil & Gas Corp. | Jan 26, 1987 | Jan 29, 1987 | — | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-10316 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,218 | 9,252 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,530 | 12.25 | 500 S |
| 5.5 | 9,385 | 8.75 | 1,350 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 | May 6, 1987 | Apr 27, 1987 | Yes |
| 00 | May 5, 1987 | — | — |
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 42-311-32521 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-32521 → 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/31132521, documented in the API reference.