WELL · 42-013-36078 · DISTRICT 1

Deatley Griffin May SA5 #5H

Y

Atascosa County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

Deatley Griffin May Sa5 #5H (API 42-013-36078) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed May 1, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 5, 2023, permitted to 22,000 ft.

Completion filings report 10 formation tops, including Queen City, Reklaw, Carrizo, Wilcox.

Its lease has reported 220K barrels of oil and 289K mcf of gas since September 2023, last reporting in July 2026.

Operator of record

Marathon Oil EF LLC

Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMarathon Oil EF LLC
Production reportsMarathon Oil EF LLCthrough Apr 2026
Latest permitMarathon Oil EF LLCSep 5, 2023
22,000
total depth, ft
1
permits on file
Sep 5, 2023
last permit issued
May 1, 2024
completed
220K
cumulative oil, bbl
289K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 1, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.767905, -98.124273

OpenStreetMap → ·  Google Maps →

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Deatley Griffin May SA5 O-1-21213Eagleville (Eagle Ford-1)Marathon Oil EF LLC1220K289KSep 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 44,354 · prior 12 105,633(-58%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 52,691 · prior 12 169,616(-69%)

010K20K30K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Marathon Oil EF LLCFeb 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
893324-99DrillMarathon Oil EF LLCAug 29, 2023Sep 5, 2023Jan 8, 202422,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-21213————

Formation tops

As filed on W-2/G-1. Subsea from 394 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City2,930-2,536
Reklaw3,512-3,118
Carrizo4,250-3,856
WilcoxWILCOX - DISPOSAL4,321-3,927
AnacachoANACACHO - H2S10,740-10,346
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,900-10,506
Bartosh——
EscondidoESCONDIDO - H2S, DISPOSAL——
NavarroNAVARRO - H2S——
OlmosOLMOS - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,63421,081Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,27012.251,295 S
621,0818.753,352 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00May 21, 2024May 1, 2024—
00Apr 10, 2024Mar 6, 2024—
00Jan 12, 2024Dec 21, 2023Yes

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.

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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Deatley Griffin May a-B SA42-013-36075

0.0 KM · Marathon Oil EF LLC · Section with this well →

Cook Mountain2,027-1,634
Queen City2,930-2,537
Reklaw3,512-3,119
Carrizo4,250-3,857
Wilcox4,321-3,928
Anacacho10,755-10,362
Austin Chalk10,919-10,526
Navarro—

11 TOPS · FIRST 8

Deatley Griffin May SA342-013-36074

0.0 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,930-2,535
Reklaw3,512-3,117
Carrizo4,250-3,855
Wilcox4,321-3,926
Anacacho10,697-10,302
Austin Chalk10,848-10,453
Navarro—
Olmos—

10 TOPS · FIRST 8

Deatley Griffin May SA242-013-36077

0.0 KM · Marathon Oil EF LLC · Section with this well →

Queen City2,930-2,537
Reklaw3,512-3,119
Carrizo4,250-3,857
Wilcox4,321-3,928
Anacacho10,697-10,304
Austin Chalk10,852-10,459
Navarro—
Escondido—

10 TOPS · FIRST 8

Purser Unit A42-297-36251

1.2 KM · Burlington Resources O & G Co LP · Section with this well →

Jackson749-379
Cook Mountain1,880-1,510
Queen City3,045-2,675
Wilcox4,412-4,042
Austin Chalk10,952-10,582
Eagle Ford10,985-10,615
Frio—
Sligo—

10 TOPS · FIRST 8

Purser Unit A42-297-36252

1.2 KM · Burlington Resources O & G Co LP · Section with this well →

Jackson759-389
Cook Mountain1,876-1,506
Queen City3,037-2,667
Wilcox4,420-4,050
Austin Chalk10,932-10,562
Eagle Ford10,943-10,573
Frio—
Edwards—

10 TOPS · FIRST 8

Purser Unit A42-297-36250

1.2 KM · Burlington Resources O & G Co LP · Section with this well →

Jackson752-382
Cook Mountain1,881-1,511
Queen City3,049-2,679
Wilcox4,422-4,052
Austin Chalk10,958-10,588
Eagle Ford11,100-10,730
Sligo—
Edwards—

10 TOPS · FIRST 8

Purser Unit A42-297-36249

1.2 KM · Burlington Resources O & G Co LP · Section with this well →

Jackson778-408
Cook Mountain1,908-1,538
Queen City3,055-2,685
Wilcox4,408-4,038
Austin Chalk10,967-10,597
Eagle Ford11,110-10,740
Frio—
Hockley - Disposal—

10 TOPS · FIRST 8

Stubby A42-013-36122

1.3 KM · Verdun Oil & Gas LLC · Section with this well →

Anacacho10,732-10,363
Austin Chalk10,861-10,492
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/01336078, documented in the API reference.