WELL · 42-013-35421 · DISTRICT 1

Chapman Rothe Unit #7H

Y

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

Chapman Rothe Unit #7H (API 42-013-35421) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed May 5, 2017 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 2, 2016, permitted to 16,500 ft.

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

Its lease has reported 872K barrels of oil and 1.2M mcf of gas since May 2011, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.

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 2, 2016
16,500
total depth, ft
2
permits on file
Dec 2, 2016
last permit issued
May 5, 2017
completed
872K
cumulative oil, bbl
1.2M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 5, 2017
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.805233, -98.117869

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; they carry 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Chapman Rothe Unit O-1-15604Eagleville (Eagle Ford-1)Marathon Oil EF LLC6872K1.2MMay 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 14,915 · prior 12 41,622(-64%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 9,595 · prior 12 18,315(-48%)

02K4K202420252026

Chain of custody

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

  1. 1Hilcorp Energy CompanyMay 2011 → Oct 2011
  2. 2Marathon Oil EF LLCNov 2011 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
820170-98DrillMarathon Oil EF LLCMay 17, 2017Dec 2, 2016Dec 22, 201616,500
820170-99DrillMarathon Oil EF LLCNov 8, 2016Dec 2, 2016Dec 22, 201616,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-15604————

Formation tops

As filed on W-2/G-1. Subsea from 426 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City2,883-2,457
Reklaw3,458-3,032
Bartosh3,711-3,285
Carrizo4,129-3,703
WilcoxWILCOX - DISPOSAL5,545-5,119
NavarroNAVARRO - H2S8,695-8,269
OlmosOLMOS - DISPOSAL9,082-8,656
AnacachoANACACHO - H2S10,427-10,001
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,558-10,132
EscondidoESCONDIDO - H2S, DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
11,19215,482Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,19612.251,544 S
5.515,5908.52,667 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
00Jun 1, 2017May 19, 2017Yes

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 →

Chapman Rothe Unit42-013-35420

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

Queen City2,883-2,457
Reklaw3,458-3,032
Bartosh3,711-3,285
Carrizo4,129-3,703
Wilcox5,545-5,119
Navarro8,695-8,269
Olmos9,082-8,656
Anacacho10,426-10,000

10 TOPS · FIRST 8

Chapman Rothe Unit42-013-35419

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

Queen City2,883-2,457
Reklaw3,458-3,032
Bartosh3,711-3,285
Carrizo4,129-3,703
Wilcox5,545-5,119
Navarro8,695-8,269
Olmos9,082-8,656
Anacacho10,425-9,999

10 TOPS · FIRST 8

C.pfeil-C.kellner-C.hummel Psa42-013-35629

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

Queen City2,860-2,432
Reklaw3,435-3,007
Bartosh3,688-3,260
Carrizo4,106-3,678
Wilcox5,522-5,094
Navarro8,672-8,244
Olmos9,059-8,631
Anacacho10,444-10,016

10 TOPS · FIRST 8

Chapman-Pfeil 4H Psa42-013-35630

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

Queen City2,860-2,432
Reklaw3,435-3,007
Bartosh3,688-3,260
Carrizo4,106-3,678
Wilcox5,522-5,094
Navarro8,672-8,244
Olmos9,059-8,631
Anacacho10,440-10,012

10 TOPS · FIRST 8

Chapman-Pfeil 1H Psa42-013-35628

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

Queen City2,860-2,431
Reklaw3,435-3,006
Bartosh3,688-3,259
Carrizo4,106-3,677
Wilcox5,522-5,093
Navarro8,672-8,243
Olmos9,059-8,630
Anacacho10,446-10,017

10 TOPS · FIRST 8

Chapman-Pfeil 2H Psa42-013-35627

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

Queen City2,860-2,431
Reklaw3,435-3,006
Bartosh3,688-3,259
Carrizo4,106-3,677
Wilcox5,522-5,093
Navarro8,672-8,243
Olmos9,059-8,630
Anacacho10,440-10,011

10 TOPS · FIRST 8

Chapman Pfeil AC Psa42-013-35642

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

Queen City2,860-2,431
Reklaw3,435-3,006
Bartosh3,688-3,259
Carrizo4,106-3,677
Wilcox5,522-5,093
Navarro8,672-8,243
Olmos9,059-8,630
Anacacho10,411-9,982

10 TOPS · FIRST 8

Chapman-Hummel Unit42-255-38031

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

Queen City2,778-2,330
Reklaw3,376-2,928
Carrizo4,083-3,635
Wilcox4,202-3,754
Austin Chalk10,568-10,120
Eagle Ford10,770-10,322
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

Developers: this page as JSON is GET /v1/data/wells/01335421, documented in the API reference.