WELL · 42-283-36991 · DISTRICT 1

Irvin West #27H

Y

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

Irvin West #27H (API 42-283-36991) is a horizontal well in La Salle County operated by Javelin Energy Partners Mgmt LLC, completed June 30, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 3, 2020, permitted to 12,000 ft.

It was permitted by Carrizo (Eagle Ford) LLC and has since transferred to Javelin Energy Partners Mgmt LLC on the wellbore schedule.

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

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

Javelin Energy Partners Mgmt LLC

Permitted by Carrizo (Eagle Ford) LLC; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Jan 4, 2026 · 233 permits on file · (888) 973-7780

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleJavelin Energy Partners Mgmt LLC
Production reportsJavelin Energy Partners Mgmt LLCthrough Mar 2026
Latest permitCarrizo (Eagle Ford) LLCFeb 3, 2020

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

12,000
total depth, ft
1
permits on file
Feb 3, 2020
last permit issued
Jun 30, 2021
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
ON SCHEDULE
Completed
Jun 30, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

28.536093, -99.031407

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
861471-99DrillCarrizo (Eagle Ford) LLCJan 29, 2020Feb 3, 2020Feb 28, 202012,000

Completions

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

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
WilcoxWILCOX - DISPOSAL4,002
Escondido5,268
OlmosOLMOS - DISPOSAL6,470
Anacacho7,877
Austin Chalk8,277
Eagle FordEAGLE FORD - H2S8,693
BudaBUDA - H2S—
Queen City—
Sparta—
Yegua—

Perforations

Perforated and open-hole intervals.

FromToType
9,02214,188Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,39912.25910 S
5.514,2998.52,130 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 8, 2021Sep 17, 2021Yes
00Oct 28, 2020Oct 5, 2020Yes

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 West42-283-36992

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

Wilcox3,882
Escondido5,250
Olmos6,455
Anacacho7,844
Austin Chalk8,304
Eagle Ford8,699
Sparta—
Queen City—

11 TOPS · FIRST 8

Irvin West42-283-36990

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

Wilcox4,122
Escondido5,272
Olmos6,494
Anacacho7,882
Austin Chalk8,277
Eagle Ford8,686
Buda—
Yegua—

10 TOPS · FIRST 8

Irvin West42-283-36993

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

Wilcox3,760
Escondido5,235
Olmos6,431
Anacacho7,838
Austin Chalk8,306
Eagle Ford8,698
Buda—
Yegua—

10 TOPS · FIRST 8

Irvin West42-283-36994

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

Wilcox3,655
Escondido5,222
Olmos6,412
Anacacho7,822
Austin Chalk8,292
Eagle Ford8,692
Queen City—
Buda—

11 TOPS · FIRST 8

Irvin West42-283-36995

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

Wilcox3,545
Escondido5,209
Olmos6,393
Anacacho7,829
Austin Chalk8,287
Eagle Ford8,680
Edwards—
Queen City—

11 TOPS · FIRST 8

Irvin West42-283-36972

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

Wilcox3,040
Escondido5,724
Olmos6,609
Austin Chalk8,023
Eagle Ford8,720
Queen City—
Edwards—
Buda—

10 TOPS · FIRST 8

Irvin West42-283-36973

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

Wilcox3,016
Escondido5,702
Olmos6,582
Austin Chalk8,003
Eagle Ford8,428
Eagle Ford8,725
Buda—
Yegua—

10 TOPS · FIRST 8

Irvin West42-283-36974

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

Wilcox2,995
Escondido5,685
Olmos6,560
Austin Chalk7,980
Eagle Ford8,439
Eagle Ford8,729
Sparta—
Queen City—

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/28336991, documented in the API reference.