WELL · 42-255-37895 · DISTRICT 2

Choate-Dullye SA1 #1H

Y

Karnes County · Sugarkane (Eagle Ford) field · Producing  · Horizontal

Choate-Dullye Sa1 #1H (API 42-255-37895) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed April 26, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 18, 2023, permitted to 22,000 ft.

Completion filings report 12 formation tops, including Sparta, Queen City, Reklaw, Carrizo.

No lease production has been reported under this well’s leases.

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 LLCDec 18, 2023
22,000
total depth, ft
1
permits on file
Dec 18, 2023
last permit issued
Apr 26, 2024
completed
0
cumulative oil, bbl
2M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 26, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.873500, -97.763147

OpenStreetMap → ·  Google Maps →

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Choate-Dullye SA1 G-2-296646Sugarkane (Eagle Ford)Marathon Oil EF LLC102MFeb 2024 – Jul 2026

Gas, mcf lease total

Last 12 months 501,360 · prior 12 1,469,740(-66%)

0100K200K300K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCApr 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
895425-99DrillMarathon Oil EF LLCNov 20, 2023Dec 18, 2023Jan 3, 202422,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-296646————

Formation tops

As filed on W-2/G-1. Subsea from 230 ft elevation.Download CSV →

FormationMD ftSubsea
Sparta4,058-3,828
Queen City4,358-4,128
Reklaw4,758-4,528
Carrizo5,858-5,628
WilcoxWILCOX - DISPOSAL6,076-5,846
Anacacho12,660-12,430
Austin ChalkAUSTIN CHALK - H2S12,777-12,547
Eagle FordEAGLE FORD - H2S12,980-12,750
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
13,28720,108Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,53812.251,473 S
9.6255,58312.251,473 S
5.520,1088.753,820 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
00Aug 13, 2024Jul 1, 2024—
00Jul 1, 2024May 23, 2024—
00Apr 9, 2024Mar 25, 2024Yes

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 →

Dullye 0142-255-37892

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

Frio4,058-3,829
Queen City4,358-4,129
Reklaw4,758-4,529
Carrizo5,858-5,629
Wilcox6,076-5,847
Austin Chalk12,861-12,632
Eagle Ford13,082-12,853
Yegua—

10 TOPS · FIRST 8

Dullye 0142-255-37893

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

Queen City4,358-4,128
Reklaw4,758-4,528
Carrizo5,858-5,628
Wilcox6,076-5,846
Austin Chalk12,791-12,561
Eagle Ford12,981-12,751
Frio—
Yegua—

10 TOPS · FIRST 8

Dullye 0142-255-37894

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

Sparta4,058-3,827
Queen City4,358-4,127
Reklaw4,758-4,527
Carrizo5,858-5,627
Wilcox6,076-5,845
Austin Chalk12,672-12,441
Anacacho12,672-12,441
Eagle Ford12,788-12,557

12 TOPS · FIRST 8

Dullye 0142-255-37482

0.6 KM · Ensign Operating LLC · Section with this well →

Queen City5,484-5,258
Reklaw5,687-5,461
Wilcox5,856-5,630
Carrizo5,856-5,630
Austin Chalk12,911-12,685
Eagle Ford13,009-12,783
Sligo—
Yegua—

10 TOPS · FIRST 8

Ridley Farms 01 - Dullye 01 C42-255-37489

0.6 KM · Ensign Operating LLC · Section with this well →

Queen City5,474-5,248
Reklaw5,727-5,501
Carrizo5,867-5,641
Wilcox5,867-5,641
Austin Chalk12,906-12,680
Eagle Ford13,007-12,781
Yegua—
Edwards—

10 TOPS · FIRST 8

Ridley Farms 01 - Dullye 01 B42-255-37488

0.6 KM · Ensign Operating LLC · Section with this well →

Queen City5,449-5,223
Carrizo5,735-5,509
Reklaw5,735-5,509
Wilcox5,876-5,650
Austin Chalk12,912-12,686
Eagle Ford13,019-12,793
Sligo—
Frio—

10 TOPS · FIRST 8

Ridley Farms 01 - Dullye 01 AC42-255-37487

0.7 KM · Ensign Operating LLC · Section with this well →

Yegua2,867-2,641
Queen City5,439-5,213
Reklaw5,720-5,494
Carrizo5,924-5,698
Wilcox5,924-5,698
Austin Chalk12,898-12,672
Eagle Ford13,040-12,814
Frio—

10 TOPS · FIRST 8

Ridley Farms 0142-255-37486

1.2 KM · Ensign Operating LLC · Section with this well →

Queen City5,429-5,205
Reklaw5,726-5,502
Carrizo5,912-5,688
Wilcox5,912-5,688
Austin Chalk12,895-12,671
Eagle Ford13,091-12,867
Frio—
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

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