WELL · 42-013-36075 · DISTRICT 1
Deatley Griffin May a-B SA #1H
Atascosa County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Deatley Griffin May A-B SA #1H (API 42-013-36075) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed June 11, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 1, 2023, permitted to 22,000 ft.
Completion filings report 11 formation tops, including Cook Mountain, Queen City, Reklaw, Carrizo.
Its lease has reported 330K barrels of oil and 434K mcf of gas since October 2023, last reporting in July 2026.
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 LLCSep 1, 2023 |
- 22,000
- total depth, ft
- 1
- permits on file
- Sep 1, 2023
- last permit issued
- Jun 11, 2024
- completed
- 330K
- cumulative oil, bbl
- 434K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 11, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
28.767905, -98.124351
Permit surface location from the RRC GIS record, in Atascosa 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Deatley Griffin May a-B SA O-1-21202 | Eagleville (Eagle Ford-1) | Marathon Oil EF LLC | 1 | 330K | 434K | Oct 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 53,749 · prior 12 176,311(-70%)
Gas, mcf lease total
Last 12 months 80,070 · prior 12 260,965(-69%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Marathon Oil EF LLCFeb 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 893325-99 | Drill | Marathon Oil EF LLC | Aug 29, 2023 | Sep 1, 2023 | Jan 1, 2024 | 22,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-21202 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 393 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Cook Mountain | 2,027 | -1,634 |
| Queen City | 2,930 | -2,537 |
| Reklaw | 3,512 | -3,119 |
| Carrizo | 4,250 | -3,857 |
| WilcoxWILCOX - DISPOSAL | 4,321 | -3,928 |
| AnacachoANACACHO - H2S | 10,755 | -10,362 |
| Austin ChalkAUSTIN CHALK - H2S, DISPOSAL | 10,919 | -10,526 |
| Bartosh | — | — |
| EscondidoESCONDIDO - H2S, DISPOSAL | — | — |
| NavarroNAVARRO - H2S | — | — |
| OlmosOLMOS - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,737 | 26,741 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 5,282 | 12.25 | 1,295 S |
| 6 | 26,741 | 8.75 | 4,489 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 | Sep 5, 2024 | Aug 16, 2024 | — |
| 00 | Apr 10, 2024 | Mar 7, 2024 | — |
| 00 | Jan 5, 2024 | Dec 21, 2023 | 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 42-013-36075 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-36075 → 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.
Deatley Griffin May SA542-013-36078
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 2,930 | -2,536 |
| Reklaw | 3,512 | -3,118 |
| Carrizo | 4,250 | -3,856 |
| Wilcox | 4,321 | -3,927 |
| Anacacho | 10,740 | -10,346 |
| Austin Chalk | 10,900 | -10,506 |
| Olmos | — | |
| Escondido | — |
10 TOPS · FIRST 8
Deatley Griffin May SA342-013-36074
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 2,930 | -2,535 |
| Reklaw | 3,512 | -3,117 |
| Carrizo | 4,250 | -3,855 |
| Wilcox | 4,321 | -3,926 |
| Anacacho | 10,697 | -10,302 |
| Austin Chalk | 10,848 | -10,453 |
| Navarro | — | |
| Olmos | — |
10 TOPS · FIRST 8
Deatley Griffin May SA242-013-36077
0.0 KM · Marathon Oil EF LLC · Section with this well →
| Queen City | 2,930 | -2,537 |
| Reklaw | 3,512 | -3,119 |
| Carrizo | 4,250 | -3,857 |
| Wilcox | 4,321 | -3,928 |
| Anacacho | 10,697 | -10,304 |
| Austin Chalk | 10,852 | -10,459 |
| Navarro | — | |
| Escondido | — |
10 TOPS · FIRST 8
Purser Unit A42-297-36251
1.2 KM · Burlington Resources O & G Co LP · Section with this well →
| Jackson | 749 | -379 |
| Cook Mountain | 1,880 | -1,510 |
| Queen City | 3,045 | -2,675 |
| Wilcox | 4,412 | -4,042 |
| Austin Chalk | 10,952 | -10,582 |
| Eagle Ford | 10,985 | -10,615 |
| Frio | — | |
| Sligo | — |
10 TOPS · FIRST 8
Purser Unit A42-297-36252
1.2 KM · Burlington Resources O & G Co LP · Section with this well →
| Jackson | 759 | -389 |
| Cook Mountain | 1,876 | -1,506 |
| Queen City | 3,037 | -2,667 |
| Wilcox | 4,420 | -4,050 |
| Austin Chalk | 10,932 | -10,562 |
| Eagle Ford | 10,943 | -10,573 |
| Frio | — | |
| Edwards | — |
10 TOPS · FIRST 8
Purser Unit A42-297-36250
1.2 KM · Burlington Resources O & G Co LP · Section with this well →
| Jackson | 752 | -382 |
| Cook Mountain | 1,881 | -1,511 |
| Queen City | 3,049 | -2,679 |
| Wilcox | 4,422 | -4,052 |
| Austin Chalk | 10,958 | -10,588 |
| Eagle Ford | 11,100 | -10,730 |
| Sligo | — | |
| Edwards | — |
10 TOPS · FIRST 8
Purser Unit A42-297-36249
1.2 KM · Burlington Resources O & G Co LP · Section with this well →
| Jackson | 778 | -408 |
| Cook Mountain | 1,908 | -1,538 |
| Queen City | 3,055 | -2,685 |
| Wilcox | 4,408 | -4,038 |
| Austin Chalk | 10,967 | -10,597 |
| Eagle Ford | 11,110 | -10,740 |
| Frio | — | |
| Hockley - Disposal | — |
10 TOPS · FIRST 8
Stubby A42-013-36122
1.3 KM · Verdun Oil & Gas LLC · Section with this well →
| Anacacho | 10,732 | -10,363 |
| Austin Chalk | 10,861 | -10,492 |
| Navarro | — | |
| Olmos | — | |
| Queen City | — | |
| Escondido | — | |
| Bartosh | — | |
| Wilcox | — |
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/01336075, documented in the API reference.