WELL · 42-245-02788 · DISTRICT 3
McLean Marrs #12
Jefferson County · Big Hill field · Vertical
Mclean Marrs #12 (API 42-245-02788) is a plugged well in Jefferson County, plugged July 22, 1994, last operated by Kamlok Oil & Gas Inc..
The RRC has issued one drilling permit, issued July 20, 1989, permitted to 6,122 ft.
It was permitted by Kamlok, Inc. and has since transferred to Kamlok Oil & Gas Inc. on the wellbore schedule.
Its lease has reported 252 barrels of oil and 980 mcf of gas since January 1993, last reporting in September 1994. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Kamlok, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Sep 6, 1996 · 184 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Kamlok Oil & Gas Inc. |
| Production reports | Kamlok Oil & Gas, Inc.through Feb 1993 |
| Latest permit | Kamlok, Inc.Jul 20, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,122
- total depth, ft
- 1
- permits on file
- Jul 20, 1989
- last permit issued
- Jul 14, 1989
- completed
- 252
- cumulative oil, bbl
- 980
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 1994
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 14, 1989
- Shut in
- —
- Plugged
- Jul 22, 1994
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McLean, Marrs O-3-6545 | Big Hill | Kamlok Oil & Gas, Inc. | 7 | 252 | 980 | Jan 1993 – Sep 1994 |
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.
- 1Kamlok Oil & Gas, Inc.Jan 1993 → Feb 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 361605-99 | Recompletion | Kamlok, Inc. | Jul 17, 1989 | Jul 20, 1989 | — | 6,122 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-6545 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,885 | 5,887 | Perforated |
| 6,047 | 6,052 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 532 | — | 135 S |
| 8.625 | 532 | 11 | 180 S |
| 2.375 | 6,004 | — | — |
| 4.5 | 6,122 | 7.875 | 250 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 31, 1989 | Jul 27, 1989 | — |
| 00 | Jan 12, 1984 | Feb 12, 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 42-245-02788 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-245-02788 → 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/24502788, documented in the API reference.