WELL · 42-255-36356 · DISTRICT 2
Margaret Ann #9H
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Margaret Ann #9H (API 42-255-36356) is a horizontal well in Karnes County operated by Magnolia Oil & Gas Operating LLC, completed October 2, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 26, 2019, permitted to 12,500 ft.
Completion filings report 10 formation tops, including Reklaw, Yegua, Carrizo, Wilcox.
Its lease has reported 2.11M barrels of oil and 3.3M mcf of gas since October 2017, last reporting in July 2026. The lease carries 13 wells, so these are lease totals, not this well alone.
Operator of record
Magnolia Oil & Gas Operating LLC
- 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 | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Magnolia Oil & Gas Operating LLCFeb 26, 2019 |
- 12,500
- total depth, ft
- 1
- permits on file
- Feb 26, 2019
- last permit issued
- Oct 2, 2019
- completed
- 2.11M
- cumulative oil, bbl
- 3.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 2, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
28.955857, -97.950282
Permit surface location from the RRC GIS record, in Karnes County.
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 13 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Margaret Ann O-2-11450 | Eagleville (Eagle Ford-2) | Magnolia Oil & Gas Operating LLC | 13 | 2.11M | 3.3M | Oct 2017 – Jul 2026 |
Oil, barrels lease total
Last 12 months 84,795 · prior 12 99,221(-15%)
Gas, mcf lease total
Last 12 months 220,914 · prior 12 262,455(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Gulftex Energy IV, LPOct 2017 → Feb 2018
- 2Enervest Operating, L.L.C.Mar 2018 → Jul 2018
- 3Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 850294-99 | Drill | Magnolia Oil & Gas Operating LLC | Feb 21, 2019 | Feb 26, 2019 | Apr 17, 2019 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-11450 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 313 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Reklaw | 3,960 | -3,647 |
| YeguaYEGUA - DISPOSAL | 4,000 | -3,687 |
| Carrizo | 4,123 | -3,810 |
| WilcoxWILCOX - DISPOSAL | 5,122 | -4,809 |
| Queen City | 6,440 | -6,127 |
| Austin ChalkAUSTIN CHALK - H2S | 10,384 | -10,071 |
| Eagle FordEAGLE FORD - H2S | 10,628 | -10,315 |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,900 | 14,378 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,013 | 12.25 | 1,325 S |
| 9.625 | 5,099 | 12.25 | 1,325 S |
| 5.5 | 14,510 | 8.5 | 2,210 S |
| 5.5 | 14,512 | 8.75 | 2,210 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 21, 2020 | Jan 15, 2020 | Yes |
| 00 | Sep 4, 2019 | Aug 23, 2019 | 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 42-255-36356 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-36356 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.
Margaret Ann42-255-36352
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,647 |
| Yegua | 4,000 | -3,687 |
| Carrizo | 4,123 | -3,810 |
| Wilcox | 5,122 | -4,809 |
| Queen City | 6,400 | -6,087 |
| Austin Chalk | 10,385 | -10,072 |
| Eagle Ford | 10,627 | -10,314 |
| Sligo | — |
10 TOPS · FIRST 8
Margaret Ann42-255-36357
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,647 |
| Yegua | 4,000 | -3,687 |
| Carrizo | 4,123 | -3,810 |
| Wilcox | 5,122 | -4,809 |
| Queen City | 6,440 | -6,127 |
| Austin Chalk | 10,443 | -10,130 |
| Eagle Ford | — | |
| Edwards | — |
10 TOPS · FIRST 8
Margaret Ann42-255-36351
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,648 |
| Yegua | 4,000 | -3,688 |
| Carrizo | 4,123 | -3,811 |
| Wilcox | 5,122 | -4,810 |
| Queen City | 6,440 | -6,128 |
| Austin Chalk | 10,382 | -10,070 |
| Eagle Ford | 10,629 | -10,317 |
| Frio | — |
10 TOPS · FIRST 8
Margaret Ann42-255-36359
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,647 |
| Yegua | 4,000 | -3,687 |
| Carrizo | 4,123 | -3,810 |
| Wilcox | 5,122 | -4,809 |
| Queen City | 6,440 | -6,127 |
| Austin Chalk | 10,376 | -10,063 |
| Sligo | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
Margaret Ann42-255-36350
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,648 |
| Yegua | 4,000 | -3,688 |
| Carrizo | 4,123 | -3,811 |
| Wilcox | 5,122 | -4,810 |
| Queen City | 6,440 | -6,128 |
| Austin Chalk | 10,383 | -10,071 |
| Eagle Ford | 10,622 | -10,310 |
| Frio | — |
10 TOPS · FIRST 8
Margaret Ann42-255-36358
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,646 |
| Yegua | 4,000 | -3,686 |
| Carrizo | 4,123 | -3,809 |
| Wilcox | 5,122 | -4,808 |
| Queen City | 6,440 | -6,126 |
| Austin Chalk | 10,375 | -10,061 |
| Sligo | — | |
| Eagle Ford | — |
10 TOPS · FIRST 8
Margaret Ann42-255-36349
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,648 |
| Yegua | 4,000 | -3,688 |
| Carrizo | 4,123 | -3,811 |
| Wilcox | 5,122 | -4,810 |
| Queen City | 6,440 | -6,128 |
| Austin Chalk | 10,457 | -10,145 |
| Eagle Ford | 10,700 | -10,388 |
| Sligo | — |
10 TOPS · FIRST 8
Margaret Ann42-255-36348
0.0 KM · Magnolia Oil & Gas Operating LLC · Section with this well →
| Reklaw | 3,960 | -3,648 |
| Yegua | 4,000 | -3,688 |
| Carrizo | 4,123 | -3,811 |
| Wilcox | 5,122 | -4,810 |
| Queen City | 6,440 | -6,128 |
| Austin Chalk | 10,447 | -10,135 |
| Eagle Ford | 10,688 | -10,376 |
| Sligo | — |
10 TOPS · FIRST 8
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/25536356, documented in the API reference.