WELL · 42-283-34210 · DISTRICT 1
Cassin Unit #71H
LA Salle County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Cassin Unit #71H (API 42-283-34210) is a horizontal well in La Salle County operated by Texas American Resources Company, completed February 25, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 25, 2013, permitted to 11,000 ft.
It was permitted by Carrizo (Eagle Ford) LLC and has since transferred to Texas American Resources Company on the wellbore schedule.
Completion filings report 3 formation tops, including Carrizo, Austin Chalk, Eagle Ford.
Its lease has reported 579K barrels of oil and 748K mcf of gas since October 2013, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Texas American Resources Company
Permitted by Carrizo (Eagle Ford) LLC; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 19, 2025
- Permits on file
- 552
- Phone
- (512) 480-8700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas American Resources Company |
| Production reports | Texas American Resources Companythrough Apr 2026 |
| Latest permit | Carrizo (Eagle Ford) LLCSep 25, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 1
- permits on file
- Sep 25, 2013
- last permit issued
- Feb 25, 2014
- completed
- 579K
- cumulative oil, bbl
- 748K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 25, 2014
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cassin Unit O-1-17232 | Eagleville (Eagle Ford-1) | Texas American Resources Company | 2 | 579K | 748K | Oct 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 95,979 · prior 12 167,797(-43%)
Gas, mcf lease total
Last 12 months 124,333 · prior 12 118,650(+5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Carrizo (Eagle Ford) LLCFeb 2014 → Jan 2020
- 2Callon (Eagle Ford) LLCFeb 2020 → Oct 2021
- 3Texas American Resources CompanyNov 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 769981-99 | Drill | Carrizo (Eagle Ford) LLC | Sep 13, 2013 | Sep 25, 2013 | Jan 7, 2014 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-17232 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 496 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CarrizoBASE OF CARRIZO | 3,000 | -2,504 |
| Austin Chalk | 7,259 | -6,763 |
| Eagle Ford | 7,879 | -7,383 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,175 | 16,602 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,106 | 14.75 | 1,573 S |
| 5.5 | 16,726 | 8.75 | 2,889 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 16, 2014 | Jul 31, 2014 | — |
| 00 | Apr 24, 2014 | Mar 28, 2014 | — |
| 00 | Jan 17, 2014 | Dec 17, 2013 | Yes |
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.
- Wellbore filings for 42-283-34210 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-34210 → scanned completion filings
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/28334210, documented in the API reference.