WELL · 42-311-35919 · DISTRICT 1

San Miguel Ranch EF #19H

N

McMullen County  · Horizontal

San Miguel Ranch EF #19H (API 42-311-35919) is a permitted horizontal well in Mcmullen County filed by Silverbow Resources Oper, LLC; no completion report is on file yet.

The RRC has issued 2 drilling permits (amended once) between 2014 and 2017, permitted to 12,500 ft.

Completion filings report 10 formation tops, including Catahoula, Frio, Yegua, Wilcox.

Its lease has reported 3.51M barrels of oil and 5.91M mcf of gas since April 2011, last reporting in July 2026. The lease carries 21 wells, so these are lease totals, not this well alone.

Operator of record

Silverbow Resources Oper, LLC

Houston, TX · P-5 Y, filed Mar 4, 2026 · 460 permits on file · (469) 575-3805

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsSilverbow Resources Oper, LLCthrough Apr 2026
Latest permitSwift Energy Operating, LLCApr 24, 2017
12,500
total depth, ft
3
permits on file
Apr 24, 2017
last permit issued
—
completed
3.51M
cumulative oil, bbl
5.91M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.561677, -98.458703

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in McMullen 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 21 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
San Miguel Ranch EF O-1-15513Eagleville (Eagle Ford-1)Crescent Energy Operating, LLC213.51M5.91MApr 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 55,774 · prior 12 68,182(-18%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 135,300 · prior 12 191,128(-29%)

010K20K202420252026

Chain of custody

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

  1. 1Swift Energy Operating, LLCApr 2011 → Jun 2017
  2. 2Silverbow Resources Oper, LLCJul 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
825502-98DrillSilverbow Resources Oper, LLCJul 20, 2017Apr 24, 2017Oct 6, 201811,000
825502-99DrillSwift Energy Operating, LLCApr 13, 2017Apr 24, 2017—11,000
780489-99DrillSwift Energy Operating, LLCFeb 24, 2014Mar 22, 2014—12,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-15513————

Formation tops

As filed on W-2/G-1. Subsea from 298 ft elevation.Download CSV →

FormationMD ftSubsea
CatahoulaCATAHOULA - DISPOSAL435-137
FrioFRIO - DISPOSAL573-275
YeguaYEGUA - DISPOSAL615-317
WilcoxWILCOX - DISPOSAL5,084-4,786
Escondido8,750-8,452
Olmos8,880-8,582
Anacacho10,084-9,786
Austin Chalk10,643-10,345
Eagle FordEAGLE FORD - H2S10,693-10,395
CatahoulaCATAHOULA - DISPOSAL——
FrioFRIO - DISPOSAL——
Navarro——

Perforations

Perforated and open-hole intervals.

FromToType
11,22617,424Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,51812.251,305 S
5.517,7338.752,535 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
00Sep 10, 2020Aug 4, 2020Yes
00Jan 23, 2020Oct 1, 2019Yes

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 →

San Miguel Ranch EF42-311-35920

0.5 KM · Swift Energy Operating, LLC · Section with this well →

Wilcox5,253-4,955
Olmos8,706-8,408
Anacacho10,100-9,802
Austin Chalk10,664-10,366
Eagle Ford10,730-10,432
Yegua—
Catahoula—
Frio—

10 TOPS · FIRST 8

San Miguel Ranch EF42-311-35923

0.5 KM · Swift Energy Operating, LLC · Section with this well →

Wilcox5,110-4,812
Olmos8,703-8,405
Anacacho10,121-9,823
Austin Chalk10,699-10,401
Eagle Ford10,731-10,433
Frio—
Yegua—
Catahoula—

10 TOPS · FIRST 8

San Miguel Ranch EF42-311-36940

1.4 KM · Silverbow Resources Oper, LLC · Section with this well →

Catahoula435-140
Frio573-278
Yegua615-320
Wilcox5,136-4,841
Escondido8,750-8,455
Olmos8,919-8,624
Anacacho10,151-9,856
Austin Chalk10,686-10,391

10 TOPS · FIRST 8

San Miguel Ranch EF42-311-36941

1.4 KM · Silverbow Resources Oper, LLC · Section with this well →

Catahoula435-140
Frio573-278
Yegua615-320
Wilcox5,146-4,851
Escondido8,750-8,455
Olmos8,919-8,624
Anacacho10,159-9,864
Austin Chalk10,697-10,402

10 TOPS · FIRST 8

San Miguel Ranch EF A42-311-37072

2.1 KM · Silverbow Resources Oper, LLC · Section with this well →

Wilcox5,105-4,851
Navarro8,078-7,824
Escondido8,265-8,011
Olmos8,744-8,490
Anacacho10,106-9,852
Austin Chalk10,644-10,390
Eagle Ford10,691-10,437
Catahoula—

10 TOPS · FIRST 8

San Miguel Ranch EF B42-311-37073

2.1 KM · Silverbow Resources Oper, LLC · Section with this well →

Wilcox5,108-4,854
Navarro7,961-7,707
Escondido8,270-8,016
Olmos8,771-8,517
Anacacho10,130-9,876
Austin Chalk10,656-10,402
Eagle Ford10,705-10,451
Frio—

10 TOPS · FIRST 8

Peeler Efs42-311-34900

2.1 KM · Texegy Operating Company LLC · Section with this well →

Carrizo3,800-3,517
Wilcox6,400-6,117
Olmos8,850-8,567
Eagle Ford10,800-10,517

San Miguel Ranch EF C42-311-37074

2.1 KM · Silverbow Resources Oper, LLC · Section with this well →

Wilcox5,106-4,852
Navarro7,968-7,714
Escondido8,272-8,018
Olmos8,866-8,612
Anacacho10,106-9,852
Austin Chalk10,639-10,385
Eagle Ford10,686-10,432
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/31135919, documented in the API reference.