WELL · 42-283-32846 · DISTRICT 1
Rathjen a Unit #A 1H
LA Salle County · Eagleville (Eagle Ford-1) field · Horizontal
Rathjen A Unit #A 1H (API 42-283-32846) is a horizontal well in La Salle County operated by Javelin Energy Partners Mgmt LLC, completed December 29, 2013.
The RRC has issued one drilling permit, issued October 21, 2011, permitted to 7,999 ft.
It was permitted by Zaza Energy, LLC and has since transferred to Javelin Energy Partners Mgmt LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Lower Chalk, Eagle Ford.
Its 2 leases have reported 284K barrels of oil and 1.33M mcf of gas since January 2012, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Javelin Energy Partners Mgmt LLC
Permitted by Zaza Energy, 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 schedule | Javelin Energy Partners Mgmt LLC |
| Production reports | Javelin Energy Partners Mgmt LLCthrough Mar 2026 |
| Latest permit | Zaza Energy, LLCOct 21, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,999
- total depth, ft
- 1
- permits on file
- Oct 21, 2011
- last permit issued
- Dec 29, 2013
- completed
- 284K
- cumulative oil, bbl
- 1.33M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 29, 2013
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rathjen a Unit G-1-290820 | Eagleville (Eagle Ford-1) | Javelin Energy Partners Mgmt LLC | 1 | 0 | 528K | Jan 2012 – Jul 2026 |
| Rathjen a Unit O-1-15801 | Eagleville (Eagle Ford-1) | Javelin Energy Partners Mgmt LLC | 4 | 284K | 806K | Jan 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,563 · prior 12 6,281(-75%)
Gas, mcf lease total
Last 12 months 12,094 · prior 12 13,052(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Callon (Eagle Ford) LLCJan 2012 → Jun 2023
- 2Hess CorporationAug 2012 → May 2013
- 3Sanchez Oil & Gas CorporationJun 2013 → Apr 2014
- 4SN Operating, LLCMay 2014 → Nov 2016
- 5Carrizo (Eagle Ford) LLCDec 2016 → Jan 2020
- 6Ridgemar Energy Operating, LLCJul 2023 → Jan 2025
- 7Javelin Energy Partners Mgmt LLCFeb 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 726531-99 | Drill | Zaza Energy, LLC | Oct 18, 2011 | Oct 21, 2011 | Nov 7, 2011 | 7,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-290820 | — | — | — | — |
| — | — O-1-15801 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 462 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 7,101 | -6,639 |
| Lower Chalk | 7,356 | -6,894 |
| Eagle Ford | 7,675 | -7,213 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,640 | 13,298 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,651 | 12.25 | 830 S |
| 5.5 | 13,435 | 8.75 | 2,045 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 | Jun 14, 2021 | May 6, 2021 | — |
| 00 | Apr 6, 2015 | Nov 19, 2014 | — |
| 00 | Nov 13, 2012 | Aug 28, 2012 | — |
| 00 | May 23, 2012 | Apr 4, 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 42-283-32846 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-32846 → 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/28332846, documented in the API reference.