WELL · 42-255-35821 · DISTRICT 2

Davila Unit #9H

Y

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

Davila Unit #9H (API 42-255-35821) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed August 10, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 28, 2018, permitted to 22,000 ft.

Completion filings report 10 formation tops, including Yegua, 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 LLCFeb 28, 2018
22,000
total depth, ft
1
permits on file
Feb 28, 2018
last permit issued
Aug 10, 2018
completed
0
cumulative oil, bbl
1.96M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 10, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.749783, -97.992444

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
Davila Unit G-2-285060Sugarkane (Eagle Ford)Marathon Oil EF LLC101.96MJun 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 4,887 · prior 12 642(+661%)

05001K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCAug 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
836686-99DrillMarathon Oil EF LLCFeb 22, 2018Feb 28, 2018Jul 16, 201822,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-285060————

Formation tops

As filed on W-2/G-1. Subsea from 488 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,000-1,512
Queen City4,397-3,909
Reklaw4,794-4,306
Carrizo5,384-4,896
WilcoxWILCOX - DISPOSAL6,557-6,069
Austin ChalkAUSTIN CHALK - H2S12,298-11,810
Eagle FordEAGLE FORD - H2S12,367-11,879
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,52020,582Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,01112.251,770 S
5.520,6908.753,566 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
00Nov 29, 2018Sep 19, 2018Yes
00Nov 26, 2018Sep 19, 2018Yes

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 →

Davila Unit AC42-255-35822

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

Yegua2,000-1,512
Queen City4,397-3,909
Reklaw4,794-4,306
Carrizo5,384-4,896
Wilcox6,557-6,069
Austin Chalk12,301-11,813
Frio—
Sligo—

10 TOPS · FIRST 8

Davila Unit42-255-35820

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

Yegua2,000-1,512
Queen City4,397-3,909
Reklaw4,794-4,306
Carrizo5,384-4,896
Wilcox6,557-6,069
Austin Chalk12,308-11,820
Eagle Ford12,379-11,891
Sligo—

10 TOPS · FIRST 8

Easley Unit42-255-37474

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

Yegua2,098-1,598
Queen City4,291-3,791
Reklaw4,656-4,156
Carrizo5,296-4,796
Wilcox6,358-5,858
Austin Chalk12,278-11,778
Eagle Ford12,370-11,870
Edwards—

10 TOPS · FIRST 8

Easley Unit42-255-37476

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

Yegua2,098-1,596
Queen City4,291-3,789
Reklaw4,656-4,154
Carrizo5,296-4,794
Wilcox6,358-5,856
Austin Chalk12,317-11,815
Eagle Ford12,371-11,869
Edwards—

10 TOPS · FIRST 8

Easley Unit42-255-37475

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

Queen City4,291-3,790
Reklaw4,565-4,064
Carrizo5,296-4,795
Wilcox5,355-4,854
Austin Chalk12,272-11,771
Eagle Ford12,370-11,869
Yegua—
Sligo—

10 TOPS · FIRST 8

Easley Unit AC42-255-37477

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

Queen City4,291-3,790
Reklaw4,565-4,064
Carrizo5,296-4,795
Wilcox5,335-4,834
Austin Chalk12,277-11,776
Eagle Ford—
Sligo—
Frio—

10 TOPS · FIRST 8

Kennedy42-255-36006

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

Yegua2,053-1,618
Queen City4,353-3,918
Reklaw4,811-4,376
Carrizo5,467-5,032
Wilcox6,700-6,265
Austin Chalk12,281-11,846
Eagle Ford12,343-11,908
Sligo—

10 TOPS · FIRST 8

Kennedy-Olson Esse 8H Psa42-255-36010

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

Yegua2,053-1,620
Queen City4,353-3,920
Reklaw4,811-4,378
Carrizo5,467-5,034
Wilcox6,700-6,267
Austin Chalk12,305-11,872
Eagle Ford12,369-11,936
Frio—

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/25535821, documented in the API reference.