WELL · 42-255-31725 · DISTRICT 2
Mary #1H
Karnes County · Eagleville (Eagle Ford-2) field · Shut IN · Horizontal
Mary #1H (API 42-255-31725) is a horizontal well in Karnes County operated by Magnolia Oil & Gas Operating LLC, completed December 15, 2010 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 18, 2010, permitted to 11,750 ft.
Completion filings report 11 formation tops, including Anacacho, Austin Chalk, Eagle Ford, Carrizo.
Its lease has reported 747K barrels of oil and 2M mcf of gas since December 2010, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Magnolia Oil & Gas Operating LLC
Houston, TX · P-5 Y, filed Mar 4, 2026 · 615 permits on file · (713) 345-6206
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 2026 |
| Latest permit | Riley Exploration, LLCAug 18, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,750
- total depth, ft
- 2
- permits on file
- Aug 18, 2010
- last permit issued
- Dec 15, 2010
- completed
- 747K
- cumulative oil, bbl
- 2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 15, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mary O-2-9668 | Eagleville (Eagle Ford-2) | Magnolia Oil & Gas Operating LLC | 4 | 747K | 2M | Dec 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 114,348 · prior 12 131,481(-13%)
Gas, mcf lease total
Last 12 months 1,037,587 · prior 12 346,429(+200%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Riley Exploration, LLCDec 2010 → Jun 2013
- 21776 Energy Operators, LLCJul 2013 → Oct 2025
- 3Silver Hill Energy Operating LLCNov 2025 → Feb 2026
- 4Magnolia Oil & Gas Operating LLCMar 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 700756-98 | Drill | Magnolia Oil & Gas Operating LLC | May 6, 2026 | Aug 18, 2010 | Aug 28, 2010 | 11,750 |
| 700756-99 | Drill | Riley Exploration, LLC | Aug 16, 2010 | Aug 18, 2010 | Aug 28, 2010 | 11,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9668 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 453 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 10,529 | -10,076 |
| Austin Chalk | 10,755 | -10,302 |
| Austin ChalkAUSTIN CHALK - H2S | 10,755 | -10,302 |
| Eagle Ford | 11,318 | -10,865 |
| Eagle FordEAGLE FORD - H2S | 11,318 | -10,865 |
| Carrizo | — | — |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| Queen City | — | — |
| Reklaw | — | — |
| SligoSLIGO - H2S | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
| YeguaYEGUA - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,899 | 15,985 | Perforated |
| 15,192 | 15,940 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,067 | 12.25 | 1,020 S |
| 4 | 10,865 | 4.75 | 307 S |
| 4 | 15,965 | 4.75 | 129 S |
| 5.5 | 16,085 | 8.5 | 3,004 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 | May 29, 2026 | May 5, 2026 | — |
| 00 | May 14, 2025 | Mar 12, 2025 | — |
| 00 | Dec 22, 2011 | Jan 31, 2011 | Yes |
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 42-255-31725 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31725 → 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/25531725, documented in the API reference.