WELL · 42-391-00990 · DISTRICT 2
Obrien J. M. -C- #1
Refugio County · Greta (4400) field · Vertical
Obrien J. M. -C- #1 (API 42-391-00990) is a plugged well in Refugio County, plugged September 8, 2021, last operated by Greta Operating Company LLC.
The RRC has issued one drilling permit, issued April 28, 1992, permitted to 2,450 ft.
It was permitted by Chilton Energy and has since transferred to Greta Operating Company LLC on the wellbore schedule.
Completion filings report one formation top, including Greta.
Operator of record
Permitted by Chilton Energy; the EWA schedule now lists a different operator.
Refugio, TX · P-5 Y, filed Jul 4, 2026 · 3 permits on file · (361) 946-4520
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Greta Operating Company LLC |
| Production reports | Acock/Anaqua Operating Co., LPthrough Feb 2017 |
| Latest permit | Chilton EnergyApr 28, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,450
- total depth, ft
- 1
- permits on file
- Apr 28, 1992
- last permit issued
- Apr 11, 1974
- completed
- 0
- cumulative oil, bbl
- 433K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 11, 1974
- Shut in
- —
- Plugged
- Sep 8, 2021
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 |
|---|---|---|---|---|---|---|
| Obrien, J. M., -C- O-2-3962 | Greta (4400) | Greta Operating Company LLC | 5 | 0 | 0 | Jan 1993 – Jan 2022 |
| O'Brien, J.M. C G-2-141944 | Greta (L- 5) | Greta Operating Company LLC | 1 | 0 | 433K | Jan 1993 – Sep 2021 |
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.
- 1Chilton EnergyJan 1993 → Jul 2001
- 2Acock Engineering & Assoc., Inc.Aug 2001 → Mar 2002
- 3Acock/Anaqua Operating Co., LCApr 2002 → Apr 2004
- 4Acock/Anaqua Operating Co., LPMay 2004 → Feb 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 397473-99 | Recompletion | Chilton Energy | Mar 13, 1992 | Apr 28, 1992 | Jul 2, 1992 | 2,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-141944 | — | — | — | — |
| — | — O-2-3962 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,730 | 1,750 | Perforated |
| 1,848 | 1,868 | Perforated |
| 2,065 | 2,075 | Perforated |
| 3,750 | 3,770 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13 | 273 | — | 175 S |
| 10.75 | 1,273 | — | 450 S |
| 7 | 4,350 | — | 600 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 29, 1992 | Jul 31, 1992 | Yes |
| 00 | Aug 12, 1992 | — | — |
| 00 | Jan 12, 1984 | Oct 3, 1974 | — |
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 42-391-00990 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00990 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 585K
- bbl, all reported
- Dec 1991
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000001643 | W-14 Disposal | Plugged Oct 21, 2021 | 0 | 0 | 3,654–3,797 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/39100990, documented in the API reference.