TEXAS · WELLS · DIMMIT COUNTY · THALMANN LEASE · API 42-127-33764 · DISTRICT 01

Thalmann #1H

Y

Dimmit County · Briscoe Ranch (Eagleford) field · Producing  · Horizontal

Thalmann #1H (API 42-127-33764) is a horizontal well in Dimmit County operated by Exco Operating Company LP, completed January 6, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 22, 2010, permitted to 6,359 ft.

It was permitted by Chesapeake Operating, Inc. and has since transferred to Exco Operating Company LP on the wellbore schedule.

Completion filings report 3 formation tops, including Amcacho, Austin Chalk, Eagle Ford.

Its lease has reported 85.8K barrels of oil and 219K mcf of gas since January 2011, last reporting in July 2026.

Operator of record

Exco Operating Company LP

Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.

Based in
Dallas, TX
P-5 status
Active (A)
P-5 last filed
Aug 22, 2025
Permits on file
515
Phone
(214) 368-2084

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleExco Operating Company LP
Production reportsExco Operating Company, LPthrough Apr 2026
Latest permitChesapeake Operating, Inc.Sep 22, 2010

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

6,359
total depth, ft
1
permits on file
Sep 22, 2010
last permit issued
Jan 6, 2011
completed
85.8K
cumulative oil, bbl
219K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 6, 2011
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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Thalmann O-1-15289Briscoe Ranch (Eagleford)Exco Operating Company, LP185.8K219KJan 2011 – Jul 2026

Gas, mcf lease total

Last 12 months 5,518 · prior 12 5,263(+5%)

0200400600202420252026

Oil, barrels lease total

Last 12 months 776 · prior 12 809(-4%)

050100150202420252026

Chain of custody

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

  1. 1Chesapeake Operating, Inc.Feb 2011 → Jun 2013
  2. 2Exco Operating Company, LPJul 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
702402-99DrillChesapeake Operating, Inc.Sep 20, 2010Sep 22, 2010Sep 29, 201012,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 6, 2011Thalmann O-1-15289Briscoe Ranch (Eagleford)Exco Operating Company LPProducing6,359

Formation tops

As filed on W-2/G-1. Subsea from 544 ft elevation.Download CSV →

FormationMD ftSubsea
Amcacho4,892-4,348
Austin Chalk5,232-4,688
Eagle Ford5,995-5,451

Perforations

Perforated and open-hole intervals.

FromToType
6,74012,727Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,85512.25647 S
76,8828.75265 S
4.512,9056.125830 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 8, 2011Mar 15, 2011Yes

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/12733764, documented in the API reference.