TEXAS · WELLS · LEE COUNTY · API 42-287-30854 · DISTRICT 03
Mary Helen Unit #1
Lee County · Giddings (Austin Chalk-3) field · Vertical
- 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. The district's wildcat field is also on the permit.
Mary Helen Unit #1 (API 42-287-30854) is a plugged well in Lee County, plugged May 17, 1984, last operated by Magnolia Oil & Gas Operating LLC.
The RRC has issued one drilling permit, issued April 20, 1981, permitted to 9,500 ft.
It was permitted by U. S. Operating, Inc. and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by U. S. Operating, Inc.; 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 | none |
| Latest permit | U. S. Operating, Inc.Apr 20, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Apr 20, 1981
- last permit issued
- Oct 29, 1981
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 29, 1981
- Shut in
- —
- Plugged
- May 17, 1984
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 143243-99 | Drill | U. S. Operating, Inc. | Apr 20, 1981 | Apr 20, 1981 | — | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 29, 1981 | Mary Helen Unit O-3-14976 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,539 | 8,745 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,255 | 12.25 | 445 S |
| 7 | 7,959 | 8.75 | 200 S |
| 2.375 | 8,410 | — | — |
| 7 | — | 8.75 | 700 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 | Jan 12, 1984 | Nov 20, 1981 | — |
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 42-287-30854 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-30854 → 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/28730854, documented in the API reference.