TEXAS · WELLS · FAYETTE COUNTY · HAYS, MARGARET LEASE · API 42-149-31638 · DISTRICT 03
Hays Margaret #1
Fayette County · Giddings (Austin Chalk-3) field · Producing · Horizontal · Sidetrack
Hays Margaret #1 (API 42-149-31638) is a horizontal well in Fayette County operated by Magnolia Oil & Gas Operating LLC, completed October 20, 2004 and listed as producing on the RRC schedule.
The RRC has issued 3 drilling permits between 1983 and 2005, permitted to 10,330 ft.
It was permitted by Marathon Oil Company and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford.
Its lease has reported 87.3K barrels of oil and 338K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Marathon Oil 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
- 615
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Marathon Oil CompanyMar 3, 2005 |
- 10,330
- total depth, ft
- 3
- permits on file
- Mar 3, 2005
- last permit issued
- Oct 20, 2004
- completed
- 87.3K
- cumulative oil, bbl
- 338K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 20, 2004
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Hays, Margaret O-3-17124 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 87.3K | 338K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,524 · prior 12 2,752(-8%)
Gas, mcf lease total
Last 12 months 7,639 · prior 12 9,072(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Browning Oil Company, Inc.Jan 1993 → Jan 1995
- 2Marathon Oil CompanyOct 2004 → Aug 2009
- 3Enervest Operating, L.L.C.Sep 2009 → Jul 2018
- 4Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 557122-99 | Recompletion · sidetrack | Marathon Oil Company | Feb 2, 2005 | Mar 3, 2005 | — | 10,300 |
| 548205-99 | Recompletion | Marathon Oil Company | Jul 14, 2004 | Jul 26, 2004 | Sep 22, 2004 | 10,300 |
| 214346-99 | Drill | Humble Exploration Co., Inc. | Sep 23, 1983 | Sep 23, 1983 | — | 10,955 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 20, 2004 | Hays Margaret O-3-17124 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing | 10,330 |
| Oct 20, 2004 | Hays Margaret O-3-17124 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing | 10,330 |
Formation tops
As filed on W-2/G-1. Subsea from 332 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 9,012 | -8,680 |
| Austin Chalk | 9,490 | -9,158 |
| Eagle FordEAGLEFORD | 10,254 | -9,922 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,522 | 11,435 | Open hole |
| 10,112 | 10,253 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,655 | 12.25 | 715 S |
| 5.5 | 10,329 | 8.75 | 325 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 | Aug 23, 2005 | Nov 2, 2004 | Yes |
| 00 | Jan 20, 1984 | Dec 15, 1983 | — |
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 42-149-31638 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-149-31638 → 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/14931638, documented in the API reference.