WELL · 42-283-33577 · DISTRICT 1

Cortez C #1H

Y

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

Cortez C #1H (API 42-283-33577) is a horizontal well in La Salle County operated by Trinity Operating (Usg) LLC, completed April 3, 2013 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 22, 2012, permitted to 8,602 ft.

It was permitted by Comstock Oil & Gas, LP and has since transferred to Trinity Operating (Usg) LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Olmos, Anacacho, Austin Chalk, Eagle Ford.

Its lease has reported 939K barrels of oil and 983K mcf of gas since February 2013, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Trinity Operating (Usg) LLC

Permitted by Comstock Oil & Gas, LP; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jan 28, 2026
Permits on file
392
Phone
(713) 951-5309

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTrinity Operating (Usg) LLC
Production reportsTrinity Operating (Usg), LLCthrough Apr 2026
Latest permitComstock Oil & Gas, LPOct 22, 2012

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

8,602
total depth, ft
1
permits on file
Oct 22, 2012
last permit issued
Apr 3, 2013
completed
939K
cumulative oil, bbl
983K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 3, 2013
Shut in
—
Plugged
—

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

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cortez 'C' O-1-16608Eagleville (Eagle Ford-1)Trinity Operating (Usg), LLC4939K983KFeb 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 12,985 · prior 12 16,660(-22%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 35,925 · prior 12 49,600(-28%)

05K10K202420252026

Chain of custody

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

  1. 1Comstock Oil & Gas, LPFeb 2013 → Aug 2018
  2. 2Trinity Operating (Usg), LLCSep 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
749999-99DrillComstock Oil & Gas, LPOct 16, 2012Oct 22, 2012Dec 10, 201218,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 3, 2013Cortez C O-1-16608Eagleville (Eagle Ford-1)Trinity Operating (Usg) LLCProducing8,602

Formation tops

As filed on W-2/G-1. Subsea from 406 ft elevation.Download CSV →

FormationMD ftSubsea
Olmos6,757-6,351
Anacacho8,156-7,750
Austin Chalk8,497-8,091
Eagle Ford8,790-8,384

Perforations

Perforated and open-hole intervals.

FromToType
8,9409,301Perforated
8,94016,339Perforated
9,3549,715Perforated
9,76810,129Perforated
10,18210,543Perforated
10,59610,957Perforated
11,01011,371Perforated
11,42411,785Perforated
11,83812,199Perforated
12,25212,613Perforated
12,66713,027Perforated
13,08013,441Perforated
13,49413,855Perforated
13,90814,269Perforated
14,32214,683Perforated
14,73615,097Perforated
15,15015,511Perforated
15,56415,925Perforated
15,97816,339Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.753,85214.751,670 S
5.58,2588.751,436 S
516,3988.751,900 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
00May 30, 2013Apr 8, 2013—
00May 7, 2013Mar 6, 2013Yes

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.

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/28333577, documented in the API reference.