WELL · 42-479-38667 · DISTRICT 4
M. M. A. Cattle Co. #11
Webb County · Barrera (Lobo) field · SWR-10-Well · Vertical
M. M. A. Cattle CO. #11 (API 42-479-38667) is a well in Webb County operated by Arete Operating Company II LLC, completed December 30, 2004 and listed as swr-10-well on the RRC schedule.
The RRC has issued one drilling permit, issued March 22, 2004, permitted to 11,000 ft.
It was permitted by Calpine Natural Gas L.P. and has since transferred to Arete Operating Company II LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Lobo 1, Lobo 2, Lobo 6.
No lease production has been reported under this well’s leases.
Operator of record
Arete Operating Company II LLC
Permitted by Calpine Natural Gas L.P.; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Sep 4, 2025 · (210) 325-9383
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Arete Operating Company II LLC |
| Production reports | Arete Operating Company, LLCthrough Apr 2026 |
| Latest permit | Calpine Natural Gas L.P.Mar 22, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 1
- permits on file
- Mar 22, 2004
- last permit issued
- Dec 30, 2004
- completed
- 0
- cumulative oil, bbl
- 783K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 30, 2004
- 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| M. M. A. Cattle Co. G-4-201857 | Fausto (Lobo) | Arete Operating Company, LLC | 1 | 0 | 783K | Apr 2004 – Jul 2026 |
| M. M. A. Cattle Co. G-4-207832 | Barrera (Lobo) | Arete Operating Company II, LLC | 1 | 0 | 0 | Dec 2004 – Jul 2026 |
Gas, mcf lease total
Last 12 months 8,892 · prior 12 11,557(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Calpine Natural Gas L.P.May 2004 → Dec 2005
- 2Rosetta Resources Operating LPJan 2006 → Jun 2012
- 3Pinpoint Energy Operating, LLCJul 2012 → Aug 2012
- 4Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 5White Oak Operating Company LLCAug 2014 → Dec 2020
- 6Arete Operating Company II, LLCJan 2021 → Jun 2025
- 7Arete Operating Company, LLCJul 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 543498-99 | Drill | Calpine Natural Gas L.P. | Mar 19, 2004 | Mar 22, 2004 | Apr 8, 2004 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-201857 | — | — | — | — |
| — | — G-4-207832 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 518 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo 1 | 8,400 | -7,882 |
| Lobo 2 | 8,600 | -8,082 |
| Lobo 6 | 9,100 | -8,582 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,412 | 8,432 | Perforated |
| 8,514 | 8,524 | Perforated |
| 8,518 | 8,524 | Perforated |
| 8,607 | 8,614 | Perforated |
| 8,634 | 8,644 | Perforated |
| 9,116 | 9,122 | Perforated |
| 9,116 | 9,254 | Perforated |
| 9,136 | 9,139 | Perforated |
| 9,200 | 9,204 | Perforated |
| 9,248 | 9,254 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,576 | 12.25 | 390 S |
| 7 | 7,200 | 8.75 | 300 S |
| 3.5 | 9,813 | 6.25 | 400 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 15, 2005 | Mar 1, 2005 | — |
| 00 | Jun 30, 2005 | Feb 16, 2005 | — |
| 00 | Apr 28, 2005 | — | — |
| 00 | Aug 6, 2004 | May 27, 2004 | — |
| 00 | Aug 4, 2004 | May 25, 2004 | Yes |
| 00 | Jul 5, 2004 | — | — |
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 42-479-38667 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-38667 → 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/47938667, documented in the API reference.