WELL · 42-287-32178 · DISTRICT 3
Mar-Sop Unit #1
Lee County · Hooker Creek (Navarro A) field · Producing · Vertical
Mar-Sop Unit #1 (API 42-287-32178) is a well in Lee County operated by Ernest Operating Company, completed November 20, 1989 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 8, 1988, permitted to 5,300 ft.
It was permitted by Bar-Mac Investments Inc. and has since transferred to Ernest Operating Company on the wellbore schedule.
Completion filings report one formation top, including Navarro.
Its lease has reported 8.9K barrels of oil and 60.7K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Bar-Mac Investments Inc.; the EWA schedule now lists a different operator.
Rockdale, TX · P-5 Y, filed Jan 4, 2026 · 32 permits on file · (512) 446-3855
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ernest Operating Company |
| Production reports | Ernest Operating Companythrough Apr 2026 |
| Latest permit | Bar-Mac Investments Inc.Jan 8, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,300
- total depth, ft
- 1
- permits on file
- Jan 8, 1988
- last permit issued
- Nov 20, 1989
- completed
- 8.9K
- cumulative oil, bbl
- 60.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 20, 1989
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Mar-Sop Unit O-3-20593 | Hooker Creek (Navarro A) | Ernest Operating Company | 1 | 8.9K | 60.7K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 181 · prior 12 33(+448%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Bar-Mac Investments Inc.Jan 1993 → Jan 2017
- 2Ernest Operating CompanyFeb 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 341128-99 | Drill | Bar-Mac Investments Inc. | Jan 7, 1988 | Jan 8, 1988 | — | 5,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-20593 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 306 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| NavarroNAVARRO A | 4,893 | -4,587 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,893 | 4,934 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 535 | 12.25 | 270 S |
| 5.5 | 5,118 | 7.875 | 860 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 | Dec 29, 1989 | Dec 15, 1989 | Yes |
| 00 | Dec 22, 1989 | — | — |
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 42-287-32178 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-32178 → 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/28732178, documented in the API reference.