WELL · 42-479-38027 · DISTRICT 4
Mayers #7
Webb County · Rottersman (Lobo) field · Producing · Vertical
Mayers #7 (API 42-479-38027) is a well in Webb County operated by Arete Operating Company LLC, completed April 20, 2002 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 17, 2002, permitted to 11,400 ft.
It was permitted by Calpine Natural Gas Company and has since transferred to Arete Operating Company LLC on the wellbore schedule.
Completion filings report 4 formation tops, including 8700 Sand, 8700 Sd, Lobo 6, Navarro.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Calpine Natural Gas Company; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed May 4, 2026 · 10 permits on file · (210) 325-9383
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Arete Operating Company LLC |
| Production reports | Arete Operating Company, LLCthrough Apr 2026 |
| Latest permit | Calpine Natural Gas CompanyJan 17, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,400
- total depth, ft
- 1
- permits on file
- Jan 17, 2002
- last permit issued
- Apr 20, 2002
- completed
- 0
- cumulative oil, bbl
- 564K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 20, 2002
- 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 G-4-188875 | Rottersman (Lobo) | Arete Operating Company, LLC | 1 | 0 | 564K | Apr 2002 – Jul 2026 |
Gas, mcf lease total
Last 12 months 3,236 · prior 12 4,062(-20%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Calpine Natural Gas Company L.P.Apr 2002 → Jul 2002
- 2Calpine Natural Gas L.P.Aug 2002 → Dec 2005
- 3Rosetta Resources Operating LPJan 2006 → Mar 2012
- 4Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
- 5Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 6White Oak Operating Company LLCAug 2014 → Dec 2020
- 7Arete Operating Company III, LLCJan 2021 → Jun 2025
- 8Arete Operating Company, LLCJul 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 516903-99 | Drill | Calpine Natural Gas Company | Jan 17, 2002 | Jan 17, 2002 | Mar 18, 2002 | 11,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-188875 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 532 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| 8700 Sand | 8,700 | -8,168 |
| 8700 SD | 8,700 | -8,168 |
| Lobo 6 | 9,400 | -8,868 |
| NavarroNAVARRO SD | 10,500 | -9,968 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,038 | 8,200 | Perforated |
| 8,710 | 8,730 | Perforated |
| 8,710 | 8,798 | Perforated |
| 8,790 | 8,798 | Perforated |
| 9,304 | 9,326 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,506 | 12.25 | 545 S |
| 9.375 | 1,506 | 12.25 | 545 S |
| 7.625 | 5,405 | 8.75 | 130 S |
| 7.625 | 5,450 | 8.75 | 130 S |
| 3.5 | 9,811 | 4.75 | 150 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 | Apr 26, 2006 | Oct 13, 2005 | — |
| 00 | Nov 18, 2005 | Sep 6, 2005 | — |
| 00 | Jul 8, 2002 | May 23, 2002 | Yes |
| 00 | Jun 7, 2002 | — | — |
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 42-479-38027 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-38027 → 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/47938027, documented in the API reference.