WELL · 42-283-36608 · DISTRICT 1

Irvin West #51H

N

LA Salle County  · Horizontal

Irvin West #51H (API 42-283-36608) is a permitted horizontal well in La Salle County filed by Carrizo (Eagle Ford) LLC; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2012 and 2018, permitted to 11,000 ft.

Completion filings report 10 formation tops, including Wilcox, Escondido, Olmos, Austin Chalk.

Its lease has reported 12M barrels of oil and 15.1M mcf of gas since June 2013, last reporting in July 2026. The lease carries 75 wells, so these are lease totals, not this well alone.

Operator of record

Carrizo (Eagle Ford) LLC

Houston, TX · P-5 Y, filed May 12, 2020 · 861 permits on file · (800) 301-5122

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsJavelin Energy Partners Mgmt LLCthrough Mar 2026
Latest permitCarrizo (Eagle Ford) LLCDec 7, 2018
11,000
total depth, ft
2
permits on file
Dec 7, 2018
last permit issued
—
completed
12M
cumulative oil, bbl
15.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

28.540642, -99.000075

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in LA Salle 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 75 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Irvin West O-1-17695Eagleville (Eagle Ford-1)Javelin Energy Partners Mgmt LLC7512M15.1MJun 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 465,004 · prior 12 610,499(-24%)

050K100K202420252026

Gas, mcf lease total

Last 12 months 569,516 · prior 12 569,511(+0%)

050K100K150K202420252026

Chain of custody

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

  1. 1Carrizo (Eagle Ford) LLCJul 2013 → Jan 2020
  2. 2Callon (Eagle Ford) LLCFeb 2020 → Jun 2023
  3. 3Ridgemar Energy Operating, LLCJul 2023 → Jan 2025
  4. 4Javelin Energy Partners Mgmt LLCFeb 2025 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
847591-99DrillCarrizo (Eagle Ford) LLCDec 6, 2018Dec 7, 2018Feb 7, 201911,000
753299-99DrillCarrizo (Eagle Ford) LLCDec 17, 2012Dec 19, 2012—11,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-17695————

Formation tops

As filed on W-2/G-1. Subsea from 384 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL3,259-2,875
Escondido5,568-5,184
OlmosOLMOS - DISPOSAL6,590-6,206
Austin Chalk8,367-7,983
Eagle FordEAGLE FORD - H2S8,743-8,359
BudaBUDA - H2S——
EdwardsEDWARDS - H2S——
Queen City——
Sparta——
Yegua——

Perforations

Perforated and open-hole intervals.

FromToType
9,04916,537Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,45112.25920 S
5.516,6498.52,750 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
00Dec 13, 2019Sep 30, 2019Yes
00Apr 26, 2019Apr 24, 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 →

Irvin West42-283-36607

0.0 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Wilcox3,259-2,875
Escondido5,551-5,167
Olmos6,588-6,204
Austin Chalk8,358-7,974
Eagle Ford8,740-8,356
Queen City—
Edwards—
Buda—

10 TOPS · FIRST 8

Irvin West42-283-36609

0.0 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Carrizo2,500-2,116
Wilcox3,280-2,896
Escondido5,562-5,178
Olmos6,589-6,205
Austin Chalk8,366-7,982
Eagle Ford8,741-8,357
Buda—
Queen City—

10 TOPS · FIRST 8

Irvin J Unit42-283-36610

0.0 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Carrizo2,500-2,116
Wilcox3,260-2,876
Escondido5,556-5,172
Olmos6,588-6,204
Austin Chalk8,357-7,973
Eagle Ford8,738-8,354
Sparta—
Buda—

11 TOPS · FIRST 8

Irvin West42-283-36886

0.0 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Wilcox2,827
Escondido5,645
Olmos6,605
Austin Chalk8,004
Eagle Ford8,491
Eagle Ford8,770
Buda—
Edwards—

12 TOPS · FIRST 8

Irvin West42-283-36885

0.0 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Wilcox2,823
Escondido5,642
Olmos6,601
Austin Chalk8,003
Eagle Ford8,491
Eagle Ford8,765
Yegua—
Sparta—

11 TOPS · FIRST 8

Irvin West42-283-36884

0.0 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Wilcox2,838
Escondido5,652
Olmos6,625
Austin Chalk8,013
Eagle Ford8,490
Eagle Ford8,763
Yegua—
Sparta—

10 TOPS · FIRST 8

Irvin West42-283-36883

0.0 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Wilcox2,845
Escondido5,660
Olmos6,635
Austin Chalk8,023
Eagle Ford8,490
Eagle Ford8,761
Queen City—
Sparta—

10 TOPS · FIRST 8

Irvin West42-283-36890

0.6 KM · Carrizo (Eagle Ford) LLC · Section with this well →

Wilcox3,314-2,925
Escondido5,544-5,155
Olmos6,604-6,215
Austin Chalk8,327-7,938
Eagle Ford8,723-8,334
Edwards—
Sparta—
Buda—

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/28336608, documented in the API reference.