WELL · 42-391-31910 · DISTRICT 2
O'Brien, J.M. "B" #214
Refugio County · Vertical
O'Brien, J.M. "B" #214 (API 42-391-31910) is a permitted well in Refugio County filed by Cambrian Management, Ltd.; no completion report is on file yet.
The RRC has issued 4 drilling permits between 1986 and 2008, permitted to 7,375 ft.
Its 2 leases have reported 65.9K barrels of oil and 262K mcf of gas since January 1993, last reporting in September 2021. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
McCaulley, TX · P-5 Y, filed Apr 4, 2026 · 107 permits on file · (432) 664-7052
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Cambrian Management, Ltd.through Jun 2009 |
| Latest permit | Cambrian Management, Ltd.Jul 28, 2008 |
- 7,375
- total depth, ft
- 4
- permits on file
- Jul 28, 2008
- last permit issued
- —
- completed
- 65.9K
- cumulative oil, bbl
- 262K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O'Brien, J. M. "B" G-2-192311 | Greta, Deep (5360) | Dorchester Operating Company LLC | 1 | 0 | 89.2K | Jul 2002 – Sep 2021 |
| Obrien, J. M., -B- O-2-3980 | Greta (4400) | Acock/Anaqua Operating Co., LP | 5 | 65.9K | 173K | Jan 1993 – Jul 2020 |
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.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Sep 2001
- 3Primrose Operating CompanyJan 2002 → Jan 2005
- 4Cambrian Management, Ltd.Jun 2008 → Jun 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 666242-99 | Recompletion | Cambrian Management, Ltd. | Jul 8, 2008 | Jul 28, 2008 | — | 6,375 |
| 519412-99 | Recompletion | Primrose Operating Company | Apr 24, 2002 | Apr 24, 2002 | May 23, 2002 | 5,600 |
| 305520-99 | Drill | Exxon Corp. | Jul 25, 1986 | Aug 21, 1986 | — | 7,375 |
| 298882-99 | Drill | Exxon Corp. | Feb 28, 1986 | Mar 3, 1986 | Apr 8, 1986 | 7,375 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-192311 | — | — | — | — |
| — | — O-2-3980 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,361 | 4,356 | Perforated |
| 5,384 | 5,388 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 328 | 20 | 465 S |
| 10.75 | 1,376 | 14.75 | 990 S |
| 7.625 | 5,457 | 9.875 | 1,345 S |
| 7.625 | 5,459 | 9.875 | 1,345 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 | Sep 11, 2003 | May 12, 2003 | — |
| 00 | Aug 29, 2003 | Apr 9, 2003 | — |
| 00 | Mar 18, 2003 | Aug 1, 2002 | Yes |
| 00 | Jan 23, 2003 | — | — |
| 00 | Nov 26, 1986 | Oct 7, 1986 | — |
| 00 | Nov 21, 1986 | — | — |
| 00 | Nov 15, 1986 | — | — |
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 42-391-31910 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31910 → 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/39131910, documented in the API reference.