TEXAS · WELLS · LA SALLE COUNTY · KLATTENHOFF UNIT LAS LEASE · API 42-283-33136 · DISTRICT 01
Klattenhoff Unit Las #1H
La Salle County · Eagleville (Eagle Ford-1) field · Shut In · Horizontal
Klattenhoff Unit Las #1H (API 42-283-33136) is a horizontal well in La Salle County operated by Verdun Oil & Gas LLC, completed July 5, 2012 and listed as shut in on the RRC schedule, shut in April 1, 2021.
The RRC has issued one drilling permit (amended twice), issued April 10, 2012, permitted to 9,369 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Verdun Oil & Gas LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.
Its lease has reported 84.2K barrels of oil and 85.5K mcf of gas since July 2012, with no volume in the three years through April 2026.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 22, 2025
- Permits on file
- 396
- Phone
- (713) 337-9300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Verdun Oil & Gas LLC |
| Production reports | Verdun Oil & Gas LLCthrough Jul 2020 |
| Latest permit | Chesapeake Operating, Inc.Apr 10, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,369
- total depth, ft
- 3
- permits on file
- Apr 10, 2012
- last permit issued
- Jul 5, 2012
- completed
- 84.2K
- cumulative oil, bbl
- 85.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2012 THROUGH Jul 2020
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 5, 2012
- Shut in
- Apr 1, 2021
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Klattenhoff Unit Las O-1-16136 | Eagleville (Eagle Ford-1) | Verdun Oil & Gas LLC | 1 | 84.2K | 85.5K | Jul 2012 – Jul 2020 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Jul 2012 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Dec 2018
- 3Gulftex Energy IV, LPJan 2019 → Mar 2019
- 4Inpex Eagle Ford, LLCApr 2019 → Jul 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 736877-97 | Drill | Chesapeake Operating, Inc. | May 30, 2012 | Apr 10, 2012 | Apr 25, 2012 | 12,000 |
| 736877-98 | Drill | Chesapeake Operating, Inc. | Apr 26, 2012 | Apr 10, 2012 | — | 12,000 |
| 736877-99 | Drill | Chesapeake Operating, Inc. | Mar 26, 2012 | Apr 10, 2012 | Apr 21, 2012 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 5, 2012 | Klattenhoff Unit Las O-1-16136 | Eagleville (Eagle Ford-1) | Verdun Oil & Gas LLC | Shut In · shut in Apr 1, 2021 | 9,369 |
Formation tops
As filed on W-2/G-1. Subsea from 375 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 8,698 | -8,323 |
| Austin Chalk | 9,180 | -8,805 |
| Eagle FordEAGLEFORD | 9,370 | -8,995 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,631 | 14,112 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,721 | 12.25 | 1,048 S |
| 5.5 | 14,214 | 8.75 | 2,041 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 22, 2022 | Aug 4, 2022 | — |
| 00 | Dec 4, 2012 | Sep 21, 2012 | 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 42-283-33136 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-33136 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/28333136, documented in the API reference.