WELL · 42-185-30443 · DISTRICT 3
Hassler Unit #1H
Grimes County · Iola (Georgetown) field · Horizontal
Hassler Unit #1H (API 42-185-30443) is a horizontal well in Grimes County operated by Setex Oil And Gas Company, completed May 22, 1994.
The RRC has issued 2 drilling permits between 1993 and 2004, permitted to 15,400 ft.
Completion filings report 4 formation tops, including Glen Rose, Austin Chalk, Buda, Georgetown.
Its 2 leases have reported 189K barrels of oil and 799K mcf of gas since May 1994, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Jun 8, 2007 · 34 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Setex Oil and Gas Company |
| Production reports | Crimson Exploration Oper., Inc.through Jul 2019 |
| Latest permit | Setex Oil and Gas CompanyOct 20, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,400
- total depth, ft
- 2
- permits on file
- Oct 20, 2004
- last permit issued
- May 22, 1994
- completed
- 189K
- cumulative oil, bbl
- 799K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 22, 1994
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hassler G-3-208981 | Iola,nw (Glenrose-B-) | Wildfire Energy Operating LLC | 1 | 0 | 391K | Jan 2005 – Jul 2026 |
| Hassler Unit O-3-22432 | Iola (Georgetown) | Setex Oil and Gas Company | 1 | 189K | 408K | May 1994 – Jul 2005 |
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.
- 1Patterson Petroleum, Inc.May 1994 → Sep 1999
- 2Setex Oil and Gas CompanyJan 2005 → Sep 2005
- 3Crimson Exploration Inc.Oct 2005 → Apr 2006
- 4Crimson Exploration Oper., Inc.May 2006 → Jul 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 552540-99 | Recompletion | Setex Oil and Gas Company | Oct 20, 2004 | Oct 20, 2004 | Oct 25, 2004 | 11,400 |
| 417577-99 | Drill | Patterson Petroleum, Inc. | Oct 27, 1993 | Oct 27, 1993 | Oct 28, 1993 | 15,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-208981 | — | — | — | — |
| — | — O-3-22432 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 318 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Glen Rose | 1,147 | -829 |
| Austin Chalk | 8,892 | -8,574 |
| Austin ChalkTOP AUSTIN CHALK | 8,892 | -8,574 |
| Buda | 10,238 | -9,920 |
| Georgetown | 10,418 | -10,100 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,217 | 15,160 | Perforated |
| 11,855 | 14,063 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,973 | 13.5 | 851 S |
| 10.25 | 1,973 | 13.5 | 851 S |
| 7.625 | 10,217 | 9.875 | 392 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 | Sep 14, 2005 | Apr 21, 2005 | Yes |
| 00 | Jun 30, 2005 | — | — |
| 00 | Aug 5, 1994 | Jun 15, 1994 | Yes |
| 00 | Jul 18, 1994 | — | — |
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 42-185-30443 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-185-30443 → 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/18530443, documented in the API reference.