WELL · 42-479-36861 · DISTRICT 4
Mayers Berta #1
Webb County · Rottersman (9020) field · Producing · Vertical
Mayers Berta #1 (API 42-479-36861) is a well in Webb County operated by Marwell Petroleum Ltd Partnrship, completed February 19, 1998 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 22, 1998, permitted to 10,700 ft.
It was permitted by Enron Oil & Gas Company and has since transferred to Marwell Petroleum Ltd Partnrship on the wellbore schedule.
Completion filings report 3 formation tops, including Queen City, Top Lwr Wilcox, Base Lwr Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Marwell Petroleum Ltd Partnrship
Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 2 permits on file · (575) 725-0324
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marwell Petroleum Ltd Partnrship |
| Production reports | Marwell Petroleum Ltd Partnrshipthrough Apr 2026 |
| Latest permit | Enron Oil & Gas CompanyJan 22, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,700
- total depth, ft
- 1
- permits on file
- Jan 22, 1998
- last permit issued
- Feb 19, 1998
- completed
- 0
- cumulative oil, bbl
- 1.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 19, 1998
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Mayers, Berta G-4-167562 | Rottersman (9020) | Marwell Petroleum Ltd Partnrship | 1 | 0 | 1.2M | Feb 1998 – Jul 2026 |
Gas, mcf lease total
Last 12 months 15,103 · prior 12 16,221(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyMar 1998 → Sep 1999
- 2EOG Resources, Inc.Oct 1999 → Jun 2011
- 3Marwell Petroleum Ltd PartnrshipJul 2011 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 472525-99 | Drill | Enron Oil & Gas Company | Jan 22, 1998 | Jan 22, 1998 | Jan 28, 1998 | 10,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-167562 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 466 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen CityTOP QUEEN CITY | 2,085 | -1,619 |
| Top LWR Wilcox | 7,265 | -6,799 |
| Base LWR Wilcox | 8,895 | -8,429 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,054 | 9,080 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,010 | 12.25 | 240 S |
| 7 | 7,596 | 8.75 | 420 S |
| 2.875 | 9,544 | 6.25 | 385 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 | May 7, 1998 | Apr 20, 1998 | Yes |
| 00 | Apr 24, 1998 | — | — |
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 42-479-36861 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36861 → 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/47936861, documented in the API reference.