WELL · 42-427-05043 · DISTRICT 4
Marrs-McLean #10
Starr County · Lockhart (4400) field · Vertical
Marrs-Mclean #10 (API 42-427-05043) is a plugged well in Starr County, plugged January 10, 2002, last operated by Continental Operating CO..
The RRC has issued 2 drilling permits between 1979 and 1993, permitted to 4,503 ft.
It was permitted by South Texas Limited Partnership and has since transferred to Continental Operating CO. on the wellbore schedule.
Its 2 leases have reported 131K barrels of oil and 687K 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
Permitted by South Texas Limited Partnership; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 4, 2026 · 68 permits on file · (713) 209-1110
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Continental Operating Co. |
| Production reports | White Stride LLCthrough Mar 2026 |
| Latest permit | South Texas Limited PartnershipMay 14, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,503
- total depth, ft
- 2
- permits on file
- May 14, 1993
- last permit issued
- —
- completed
- 131K
- cumulative oil, bbl
- 687K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Jan 10, 2002
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 |
|---|---|---|---|---|---|---|
| McLean, Marrs O-4-9832 | Lockhart (Cockfield #2) | White Stride LLC | 3 | 111K | 554K | Jan 1993 – Jul 2026 |
| Marrs-McLean O-4-9329 | Lockhart (Yegua F Seg 3) | Continental Operating Co. | 4 | 20.4K | 133K | Jan 1993 – Jan 2017 |
Oil, barrels lease total
Last 12 months 2,521 · prior 12 2,895(-13%)
Gas, mcf lease total
Last 12 months 6,997 · prior 12 8,458(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1South Texas Limited PartnershipJan 1993 → Feb 1994
- 2Washington Energy Expl., Inc.Mar 1994 → Jul 1994
- 3Cabot Oil & Gas Production Corp.Aug 1994 → Feb 1996
- 4Cabot Oil & Gas CorporationMar 1996 → Jan 1997
- 5Ceniza Petroleum, Inc.Feb 1997 → Feb 2003
- 6FredcoJul 2002 → Feb 2003
- 7White Oak Operating Company LLCMar 2003 → Jun 2004
- 8Opex Energy, LLCJul 2004 → Mar 2007
- 9Exploration Company, TheApr 2007 → Jun 2007
- 10Txco Resources Inc.Jul 2007 → Jul 2008
- 11Continental Operating Co.Aug 2008 → Nov 2019
- 12Maverick Brothers Operating,inc.Dec 2019 → Jun 2025
- 13White Stride LLCJul 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 411779-99 | Recompletion | South Texas Limited Partnership | May 14, 1993 | May 14, 1993 | May 27, 1993 | 4,503 |
| 57042-99 | Recompletion | Sun Exploration & Production Co. | Sep 4, 1979 | Sep 4, 1979 | — | 4,503 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-9329 | — | — | — | — |
| — | — O-4-9832 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,174 | 3,178 | Perforated |
| 3,715 | 3,733 | Perforated |
| 4,443 | 4,454 | Perforated |
| — | 4,383 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 178 | 12.25 | 75 S |
| 8.5 | 178 | 12.25 | 75 S |
| 2.375 | 4,410 | — | — |
| 4.5 | 4,464 | 7.875 | 500 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 10, 1993 | Sep 20, 1993 | Yes |
| 00 | Sep 28, 1993 | Nov 14, 1979 | — |
| 00 | Jan 12, 1984 | Nov 14, 1979 | — |
| 00 | Jan 12, 1984 | Mar 29, 1974 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-427-05043 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-05043 → 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/42705043, documented in the API reference.