WELL · 42-255-37016 · DISTRICT 2

Davila-Weston Henke Unit SA B #11H

Y

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

Davila-Weston Henke Unit SA B #11H (API 42-255-37016) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed May 24, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 7, 2020, permitted to 23,000 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

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 scheduleMarathon Oil EF LLC
Production reportsMarathon Oil EF LLCthrough Apr 2026
Latest permitMarathon Oil EF LLCOct 7, 2020
23,000
total depth, ft
1
permits on file
Oct 7, 2020
last permit issued
May 24, 2022
completed
0
cumulative oil, bbl
2.19M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 24, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

28.768422, -98.008792

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-Weston Henke Unit SA B G-2-290471Sugarkane (Eagle Ford)Marathon Oil EF LLC102.19MDec 2020 – Jul 2026

Gas, mcf lease total

Last 12 months 113,869 · prior 12 201,076(-43%)

020K40K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCJun 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
865401-99DrillMarathon Oil EF LLCOct 5, 2020Oct 7, 2020Nov 4, 202023,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-290471————

Formation tops

As filed on W-2/G-1. Subsea from 433 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,667-1,234
Queen City4,065-3,632
Reklaw4,462-4,029
Carrizo5,052-4,619
WilcoxWILCOX - DISPOSAL6,225-5,792
Austin ChalkAUSTIN CHALK - H2S11,885-11,452
Eagle FordEAGLE FORD - H2S12,003-11,570
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,31023,017Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,10412.251,817 S
5.523,0178.754,511 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
00Jul 29, 2022Jul 14, 2022Yes
00Jul 22, 2021Jul 9, 2021—
00Mar 26, 2021Feb 4, 2021Yes

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

Open the cross-section →

Davila-Weston Henke Unit SA C42-255-37017

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

Yegua1,667-1,235
Queen City4,065-3,633
Reklaw4,462-4,030
Carrizo5,052-4,620
Wilcox6,225-5,793
Austin Chalk11,877-11,445
Eagle Ford12,002-11,570
Edwards—

10 TOPS · FIRST 8

Davila-Weston Henke Unit SA A42-255-37015

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

Yegua1,667-1,233
Queen City4,065-3,631
Reklaw4,462-4,028
Carrizo5,052-4,618
Wilcox6,225-5,791
Austin Chalk11,886-11,452
Eagle Ford12,012-11,578
Sligo—

10 TOPS · FIRST 8

Davila-Mobil a-Kennedy Unit SA42-255-37018

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

Yegua1,667-1,232
Queen City4,065-3,630
Reklaw4,462-4,027
Carrizo5,052-4,617
Wilcox6,225-5,790
Austin Chalk11,847-11,412
Eagle Ford11,968-11,533
Sligo—

10 TOPS · FIRST 8

Davila-Graham-Kowalik SA42-255-37022

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

Yegua1,667-1,230
Queen City4,065-3,628
Reklaw4,462-4,025
Carrizo5,052-4,615
Wilcox6,225-5,788
Austin Chalk11,923-11,486
Eagle Ford12,038-11,601
Sligo—

10 TOPS · FIRST 8

Kowalik 228-1R42-255-35509

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

Yegua1,802-1,382
Queen City3,948-3,528
Reklaw4,416-3,996
Carrizo4,906-4,486
Austin Chalk11,838-11,418
Eagle Ford11,935-11,515
Wilcox—
Sligo—

10 TOPS · FIRST 8

Kowalik 228-1R42-255-35510

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

Yegua1,802-1,383
Queen City3,948-3,529
Reklaw4,416-3,997
Carrizo4,906-4,487
Wilcox6,461-6,042
Austin Chalk11,809-11,390
Eagle Ford11,907-11,488
Sligo—

10 TOPS · FIRST 8

Kowalik 228-1R42-255-35511

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

Yegua1,826-1,407
Queen City4,037-3,618
Reklaw4,704-4,285
Carrizo4,999-4,580
Wilcox6,461-6,042
Austin Chalk11,809-11,390
Eagle Ford11,907-11,488
Frio—

10 TOPS · FIRST 8

Rancho Grande Trust-Kowalik SA42-255-37703

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

Queen City3,784-3,378
Reklaw4,247-3,841
Carrizo4,920-4,514
Wilcox4,992-4,586
Austin Chalk11,777-11,371
Eagle Ford11,889-11,483
Frio—
Edwards—

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/25537016, documented in the API reference.