TEXAS · WELLS · WASHINGTON COUNTY · JARMON UNIT LEASE · API 42-477-30848 · DISTRICT 03
Jarmon Unit #1
Washington County · Giddings (Austin Chalk Gas) field · Horizontal
- Fields on the latest permit · any of 2
- Giddings (Austin Chalk-3) · Giddings (Austin Chalk, Gas)
- Not one formation; the well must be completed in one of them, and no target formation is stated.
Jarmon Unit #1 (API 42-477-30848) is a plugged horizontal well in Washington County, plugged February 21, 2023, last operated by Magnolia Oil & Gas Operating LLC.
The RRC has issued one drilling permit (amended once), issued June 16, 1997, permitted to 15,500 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its lease has reported 1 barrels of oil and 3.81M mcf of gas since November 1997, with no volume in the three years through April 2026.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 6, 2026
- Permits on file
- 617
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2011 |
| Latest permit | Union Pacific Resources CompanyJun 16, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,500
- total depth, ft
- 2
- permits on file
- Jun 16, 1997
- last permit issued
- Nov 4, 1997
- completed
- 1
- cumulative oil, bbl
- 3.81M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1997 THROUGH Apr 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 4, 1997
- Shut in
- —
- Plugged
- Feb 21, 2023
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jarmon Unit G-3-166230 | Giddings (Austin Chalk, Gas) | Magnolia Oil & Gas Operating LLC | 1 | 1 | 3.81M | Nov 1997 – Apr 2011 |
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 Pacific Resources CompanyNov 1997 → Jan 2001
- 2Rme Petroleum CompanyMar 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Jul 2007
- 4Enervest Operating, L.L.C.Aug 2007 → Apr 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 463793-98 | Drill | Union Pacific Resources Company | Dec 15, 1997 | Jun 16, 1997 | — | 15,500 |
| 463793-99 | Drill | Union Pacific Resources Company | Jun 16, 1997 | Jun 16, 1997 | Jul 19, 1997 | 15,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 4, 1997 | Jarmon Unit G-3-166230 | Giddings (Austin Chalk Gas) | Magnolia Oil & Gas Operating LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 276 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin ChalkAUSTIN-CHALK (TVD) | 14,800 | -14,524 |
| Austin ChalkAUSTIN-CHALK (MD) | 14,835 | -14,559 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,807 | 15,268 | Perforated |
| 14,831 | 14,874 | Perforated |
| 14,841 | 19,090 | Perforated |
| 14,894 | 18,778 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.625 | 2,435 | 17.5 | 1,275 S |
| 9.625 | 12,020 | 12.25 | 750 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 12, 1998 | Dec 12, 1997 | Yes |
| 00 | Feb 4, 1998 | — | — |
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 42-477-30848 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-477-30848 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/47730848, documented in the API reference.