WELL · 42-013-34590 · DISTRICT 1
May Girls #1H
Atascosa County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
May Girls #1H (API 42-013-34590) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed September 28, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 15, 2012, permitted to 11,139 ft.
Completion filings report 11 formation tops, including Anacacho, Austin Chalk, Eagle Ford, Bartosh.
Its lease has reported 972K barrels of oil and 1.06M mcf of gas since December 2012, last reporting in July 2026. The lease carries 5 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 26, 2025
- Permits on file
- 3,191
- Phone
- (832) 486-2737
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marathon Oil EF LLC |
| Production reports | Marathon Oil EF LLCthrough Apr 2026 |
| Latest permit | Marathon Oil EF LLCAug 15, 2012 |
- 11,139
- total depth, ft
- 1
- permits on file
- Aug 15, 2012
- last permit issued
- Sep 28, 2012
- completed
- 972K
- cumulative oil, bbl
- 1.06M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 28, 2012
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| May Girls O-1-16413 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | 5 | 972K | 1.06M | Dec 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 47,439 · prior 12 242,969(-80%)
Gas, mcf lease total
Last 12 months 46,148 · prior 12 308,915(-85%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCJan 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 746046-99 | Drill | Marathon Oil EF LLC | Aug 7, 2012 | Aug 15, 2012 | Sep 11, 2012 | 15,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 28, 2012 | May Girls O-1-16413 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | Producing | 11,139 |
Formation tops
As filed on W-2/G-1. Subsea from 310 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 10,628 | -10,318 |
| AnacachoANACACHO - H2S | 10,628 | -10,318 |
| Austin Chalk | 10,846 | -10,536 |
| Austin ChalkAUSTIN CHALK - H2S, DISPOSAL | 10,846 | -10,536 |
| Eagle Ford | 10,999 | -10,689 |
| Bartosh | — | — |
| Carrizo | — | — |
| EscondidoESCONDIDO - H2S, DISPOSAL | — | — |
| NavarroNAVARRO - H2S | — | — |
| OlmosOLMOS - DISPOSAL | — | — |
| Queen City | — | — |
| Reklaw | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,250 | 16,524 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,245 | 12.25 | 2,065 S |
| 5.5 | 16,775 | 8.75 | 2,095 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 | Nov 19, 2024 | Sep 11, 2024 | — |
| 00 | May 28, 2013 | Apr 4, 2013 | — |
| 00 | Mar 26, 2013 | Jan 23, 2013 | 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 42-013-34590 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-34590 → 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/01334590, documented in the API reference.