WELL · 42-239-00578 · DISTRICT 2
Halamicek J. M. #1
Jackson County · Ganado West (4700 Zone) field · Vertical
Halamicek J. M. #1 (API 42-239-00578) is a plugged well in Jackson County, plugged May 13, 2022, last operated by Unocal Exploration Corporation.
The RRC has issued 2 drilling permits between 1991 and 1993, permitted to 6,098 ft.
It was permitted by Union Oil Company Of California and has since transferred to Unocal Exploration Corporation on the wellbore schedule.
Completion filings report 2 formation tops, including Marg, Greta.
Its 3 leases have reported 94.6K barrels of oil and 30.7K mcf of gas since January 1993, last reporting in August 2022. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Unocal Exploration Corporation
Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 7, 1993 · 66 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unocal Exploration Corporation |
| Production reports | Premier Natural Resources, LLCthrough Oct 2014 |
| Latest permit | Union Oil Company of CaliforniaAug 24, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,098
- total depth, ft
- 2
- permits on file
- Aug 24, 1993
- last permit issued
- —
- completed
- 94.6K
- cumulative oil, bbl
- 30.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- May 13, 2022
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Halamicek, J.M. O-2-7919 | Ganado, West | Allegiant Resources, LLC | 1 | 94.4K | 29.2K | Nov 1993 – Aug 2022 |
| Halamicek, J.M. O-2-5144 | Ganado, West (Charles Sand) | Priest Petroleum Corporation | 2 | 211 | 1.54K | Jan 1993 – Feb 2005 |
| — O-2-3417 | — | — | 0 | 0 | 0 | — |
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.
- 1Union Oil Company of CaliforniaJan 1993 → Oct 1998
- 2Synergy Oil & Gas, Inc. (A)Nov 1998 → Aug 2001
- 3Penn Virginia Oil & Gas Corp.Sep 2001 → Dec 2004
- 4Priest Petroleum CorporationJan 2005 → May 2007
- 5Premier Natural Resources, LLCJun 2007 → Oct 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 414154-99 | Recompletion | Union Oil Company of California | Jul 22, 1993 | Aug 24, 1993 | Oct 28, 1993 | 4,727 |
| 385365-99 | Recompletion | Unocal Exploration Corporation | Mar 6, 1991 | Apr 11, 1991 | Apr 20, 1991 | 6,098 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-3417 | — | — | — | — |
| — | — O-2-5144 | — | — | — | — |
| — | — O-2-7919 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 61 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marg | 4,690 | -4,629 |
| Greta | 4,735 | -4,674 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,690 | 4,710 | Perforated |
| 4,724 | 4,730 | Perforated |
| — | 4,700 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 944 | 12.5 | 350 S |
| 5.5 | 4,838 | 8.75 | 340 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 | Oct 9, 1996 | Sep 18, 1996 | — |
| 00 | Feb 11, 1994 | Nov 12, 1993 | Yes |
| 00 | Nov 23, 1993 | May 24, 1991 | Yes |
| 00 | Jul 16, 1991 | May 24, 1991 | Yes |
| 00 | Jun 21, 1991 | — | — |
| 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 42-239-00578 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-239-00578 → 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/23900578, documented in the API reference.