WELL · 42-481-33834 · DISTRICT 3
Mazoch Gas Unit #1
Wharton County · Black Owl (Yegua 7560) field · Vertical
Mazoch Gas Unit #1 (API 42-481-33834) is a plugged well in Wharton County, plugged March 30, 1999, last operated by Cox & Perkins Exploration Inc..
The RRC has issued one drilling permit, issued November 8, 1995, permitted to 8,200 ft.
Completion filings report 5 formation tops, including Hockley, Yegua, Discorbis Yeuaensis, Esponides Yeguaensis.
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 | Cox & Perkins Exploration, Inc.through Mar 1999 |
| Latest permit | Cox & Perkins Exploration, Inc.Nov 8, 1995 |
- 8,200
- total depth, ft
- 1
- permits on file
- Nov 8, 1995
- last permit issued
- Jan 8, 1996
- completed
- 0
- cumulative oil, bbl
- 1.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1996 THROUGH Jun 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 8, 1996
- Shut in
- —
- Plugged
- Mar 30, 1999
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mazoch Gas Unit G-3-157455 | Black Owl (Yegua 7560) | Cox & Perkins Exploration, Inc. | 1 | 0 | 1.28M | Jan 1996 – Jun 1999 |
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.
- 1Cox & Perkins Exploration, Inc.Jan 1996 → Mar 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 441154-99 | Drill | Cox & Perkins Exploration, Inc. | Oct 23, 1995 | Nov 8, 1995 | Nov 13, 1995 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-157455 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 104 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Hockley | 6,440 | -6,336 |
| Yegua | 6,990 | -6,886 |
| Discorbis Yeuaensis | 7,340 | -7,236 |
| Esponides Yeguaensis | 7,340 | -7,236 |
| Nodosaria Mexicana | 7,562 | -7,458 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,565 | 7,569 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,020 | 12.25 | 660 S |
| 7 | 5,838 | 8.75 | 345 S |
| 2.875 | 7,703 | 6 | 130 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 | Apr 17, 1996 | Feb 1, 1996 | Yes |
| 00 | Mar 29, 1996 | — | — |
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 42-481-33834 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-33834 → 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/48133834, documented in the API reference.