WELL · 42-285-31504 · DISTRICT 2
Marek Adolph Gas Unit #1
Lavaca County · Word N. (Edwards) field · Vertical
Marek Adolph Gas Unit #1 (API 42-285-31504) is a plugged well in Lavaca County, plugged February 23, 2016, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued 2 drilling permits between 1980 and 1985, permitted to 15,900 ft.
It was permitted by Howell Drilling, Inc. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Yegua, Wilcox, Edwards.
Operator of record
Permitted by Howell Drilling, Inc.; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed May 4, 2026 · 15,618 permits on file · (972) 598-8150
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Jan 2016 |
| Latest permit | Howell Drilling, Inc.Feb 1, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,900
- total depth, ft
- 2
- permits on file
- Feb 1, 1985
- last permit issued
- May 1, 1985
- completed
- 0
- cumulative oil, bbl
- 382K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2016
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 1, 1985
- Shut in
- —
- Plugged
- Feb 23, 2016
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 |
|---|---|---|---|---|---|---|
| Marek, Adolph Gas Unit G-2-91200 | Word, N. (Edwards) | Pioneer Natural Res. USA, Inc. | 1 | 0 | 382K | Jan 1993 – Feb 2016 |
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.
- 1Howell Drilling, Inc.Jan 1993 → Dec 1993
- 2Parker & Parsley Development Co.Jan 1994 → Feb 1995
- 3Parker & Parsley Development L.PMar 1995 → Aug 1997
- 4Pioneer Natural Res. USA, Inc.Sep 1997 → Jan 2016
- 5Prize Operating CompanyJul 1999 → Mar 2002
- 6Gruy Petroleum Management Co.Apr 2002 → Apr 2006
- 7Cimarex Energy Co. of ColoradoMay 2006 → Nov 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 265872-99 | Recompletion | Howell Drilling, Inc. | Feb 1, 1985 | Feb 1, 1985 | — | 15,900 |
| 87242-99 | Drill | Howell Drilling, Inc. | Jul 21, 1980 | Jul 21, 1980 | — | 14,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-91200 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 314 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,483 | 13,495 | Perforated |
| 13,525 | 13,589 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,968 | 17.5 | 1,390 S |
| 9.625 | 9,425 | 12.25 | 825 S |
| 2.875 | 13,449 | — | — |
| 5 | 14,006 | 6 | 180 S |
| 5 | 14,618 | 6 | 400 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 | Aug 14, 1985 | Jul 10, 1985 | — |
| 00 | Jan 12, 1984 | Dec 29, 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 42-285-31504 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-285-31504 → 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/28531504, documented in the API reference.