WELL · 42-479-36661 · DISTRICT 4
Martin Sophie J. #9
Webb County · Cerrito Creek (Lobo Cons.) field · Producing · Vertical
Martin Sophie J. #9 (API 42-479-36661) is a well in Webb County operated by Arete Operating Company Iii LLC, completed August 10, 1997 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) in 1997, permitted to 10,500 ft.
It was permitted by Michael Petroleum Corporation and has since transferred to Arete Operating Company Iii LLC on the wellbore schedule.
Completion filings report 8 formation tops, including T/Queen City, T/Recklaw, T/Wilcox-Carrizo, T/Wilcox/Carrizo.
No lease production has been reported under this well’s leases.
Operator of record
Arete Operating Company III LLC
Permitted by Michael Petroleum Corporation; 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 III LLC |
| Production reports | Arete Operating Company III, LLCthrough Apr 2026 |
| Latest permit | Michael Petroleum CorporationAug 1, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 3
- permits on file
- Aug 1, 1997
- last permit issued
- Aug 10, 1997
- completed
- 0
- cumulative oil, bbl
- 792K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 10, 1997
- 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 |
|---|---|---|---|---|---|---|
| Martin, Sophie J. G-4-163853 | Vato (Lobo) | Arete Operating Company II, LLC | 1 | 0 | 1.98K | May 1997 – Jul 2026 |
| Martin, Sophie J. G-4-164914 | Pepito (Lobo) | Arete Operating Company III, LLC | 1 | 0 | 790K | Aug 1997 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,986 · prior 12 1,515(+31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Michael Petroleum CorporationMay 1997 → Dec 2001
- 2Calpine Natural Gas CompanyJan 2002 → Apr 2002
- 3Calpine Natural Gas Company L.P.May 2002 → Jul 2002
- 4Calpine Natural Gas L.P.Aug 2002 → Dec 2005
- 5Rosetta Resources Operating LPJan 2006 → Jun 2012
- 6Pinpoint Energy Operating, LLCJul 2012 → Aug 2012
- 7Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 8White Oak Operating Company LLCAug 2014 → Dec 2020
- 9Arete Operating Company II, LLCJan 2021 → Jun 2025
- 10Arete Operating Company III, LLCJul 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 465765-99 | Recompletion | Michael Petroleum Corporation | Aug 1, 1997 | Aug 1, 1997 | Aug 2, 1997 | 9,150 |
| 460218-98 | Drill | Michael Petroleum Corporation | Jun 24, 1997 | Mar 21, 1997 | Apr 11, 1997 | 10,500 |
| 460218-99 | Drill | Michael Petroleum Corporation | Mar 21, 1997 | Mar 21, 1997 | — | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-163853 | — | — | — | — |
| — | — G-4-164914 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 445 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Queen City | 2,700 | -2,255 |
| T/Recklaw | 4,050 | -3,605 |
| T/Wilcox-Carrizo | 4,310 | -3,865 |
| T/Wilcox/Carrizo | 4,310 | -3,865 |
| B/Lower Wilcox | 6,240 | -5,795 |
| B/LWR Wilcox | 6,240 | -5,795 |
| Will Point | 9,250 | -8,805 |
| Wills Point | 9,250 | -8,805 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,672 | 8,686 | Perforated |
| 9,020 | 9,024 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 765 | 12.25 | 310 S |
| 7 | 7,037 | 8.75 | 350 S |
| 7 | 7,039 | 8.75 | 350 S |
| 4.5 | 9,250 | 6.125 | 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 | Nov 5, 1997 | Oct 9, 1997 | Yes |
| 00 | Oct 28, 1997 | — | — |
| 00 | Aug 26, 1997 | Aug 1, 1997 | Yes |
| 00 | Aug 12, 1997 | — | — |
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 42-479-36661 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36661 → 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/47936661, documented in the API reference.