WELL · 42-391-01052 · DISTRICT 2
Obrien J. M. #403
Refugio County · Greta (4400) field · Vertical
Obrien J. M. #403 (API 42-391-01052) is a plugged well in Refugio County, plugged November 28, 2012, last operated by Primrose Operating Company.
The RRC has issued 2 drilling permits between 1981 and 2009, permitted to 4,388 ft.
It was permitted by Cambrian Management, Ltd. and has since transferred to Primrose Operating Company on the wellbore schedule.
Operator of record
Permitted by Cambrian Management, Ltd.; the EWA schedule now lists a different operator.
Wichita Falls, TX · P-5 Y, filed Nov 6, 2009 · 274 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Primrose Operating Company |
| Production reports | Primrose Operating Companythrough Dec 2002 |
| Latest permit | Cambrian Management, Ltd.May 7, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,388
- total depth, ft
- 2
- permits on file
- May 7, 2009
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 65.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Nov 28, 2012
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 |
|---|---|---|---|---|---|---|
| O'Brien, J.M. G-2-254510 | Greta (L- 2) | Acock/Anaqua Operating Co., LP | 1 | 0 | 0 | May 2009 – Nov 2012 |
| O'Brien, J.M. G-2-93260 | Greta (L- 5) | Cambrian Management, Ltd. | 1 | 0 | 65.1K | Jan 1993 – May 2009 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dewbre Petroleum CorporationJan 1993 → Oct 2002
- 2Primrose Operating CompanyNov 2002 → Dec 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 680661-99 | Recompletion | Cambrian Management, Ltd. | Apr 23, 2009 | May 7, 2009 | May 18, 2009 | 4,388 |
| 109485-99 | Recompletion | Sun Exploration & Production Co. | Feb 25, 1981 | Feb 25, 1981 | — | 4,388 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-93260 | — | — | — | — |
| — | — G-2-254510 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,736 | 1,752 | Perforated |
| 2,053 | 2,069 | Perforated |
| — | 4,400 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,290 | — | — |
| 2.375 | 1,996 | — | — |
| 5 | 4,388 | — | — |
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 13, 2010 | Nov 23, 2009 | Yes |
| 00 | Feb 11, 2010 | — | — |
| 00 | Jan 12, 1984 | May 18, 1981 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-391-01052 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01052 → 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/39101052, documented in the API reference.