WELL · 42-433-01616 · DISTRICT 7
Katz (Strawn) Unit #21
Stonewall County · Katz (Strawn) field · Vertical
Katz (Strawn) Unit #21 (API 42-433-01616) is a plugged well in Stonewall County, plugged January 7, 2011, last operated by Atlas Operating LLC.
The RRC has issued 2 drilling permits between 1984 and 1990, permitted to 5,105 ft.
It was permitted by Tex/Con Oil & Gas Company and has since transferred to Atlas Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Katz Sand, Mcgregor Sand, Day Sand, Lorentzen Sand.
Its 5 leases have reported 14.2M barrels of oil and 30.3M mcf of gas since January 1993, last reporting in July 2026. The leases carry 317 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Tex/Con Oil & Gas Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Hearing (H)
- P-5 last filed
- Mar 9, 2026
- Permits on file
- 78
- Phone
- (281) 893-9400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Atlas Operating LLC |
| Production reports | Atlas Operating LLCthrough Mar 2026 |
| Latest permit | Tex/Con Oil & Gas CompanyJun 18, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,105
- total depth, ft
- 2
- permits on file
- Jun 18, 1990
- last permit issued
- Apr 27, 1990
- completed
- 14.2M
- cumulative oil, bbl
- 30.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 27, 1990
- Shut in
- —
- Plugged
- Jan 7, 2011
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 5 leases this well is completed on; they carry 317 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Katz (Strawn) Unit O-8-30524 | Katz (Strawn) | Atlas Operating LLC | 245 | 13.1M | 30.2M | May 2010 – Jul 2026 |
| Southwest River Unit O-8-30423 | Katz (Strawn) | Kinder Morgan Production Co LLC | 48 | 29.3K | 8.65K | Nov 2009 – Jul 2010 |
| Southwest River Unit O-8-25643 | Katz (Day) | Kinder Morgan Production Co LLC | 4 | 199K | 38.3K | Jan 1993 – Feb 2010 |
| Southwest River Unit O-8-25644 | Katz (5100) | Kinder Morgan Production Co LLC | 20 | 843K | 134K | Jan 1993 – Feb 2010 |
| — O-8-20092 | — | — | 0 | 0 | 0 | — |
Oil, barrels lease total
Last 12 months 265,670 · prior 12 333,294(-20%)
Gas, mcf lease total
Last 12 months 948,880 · prior 12 1,027,778(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pg&e Resources CompanyJan 1993 → Oct 1994
- 2Dalen Resources Oil & Gas Co.Nov 1994 → Dec 1995
- 3Enserch Exploration, IncJan 1996 → Sep 1997
- 4Merit Energy CompanyOct 1997 → Aug 2000
- 5Journey Operating, L.L.C.Sep 2000 → Feb 2006
- 6Kinder Morgan Production Co LPMar 2006 → Jul 2007
- 7Kinder Morgan Production Co LLCAug 2007 → May 2024
- 8Atlas Operating LLCJun 2024 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 374590-99 | Recompletion | Tex/Con Oil & Gas Company | Jun 18, 1990 | Jun 18, 1990 | — | 5,105 |
| 243228-99 | Recompletion | Getty Oil Co. | Jun 14, 1984 | Jun 27, 1984 | — | 4,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-20092 | — | — | — | — |
| — | — O-8-25643 | — | — | — | — |
| — | — O-8-25644 | — | — | — | — |
| — | — O-8-30423 | — | — | — | — |
| — | — O-8-30524 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,457 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Katz Sand | 4,782 | -3,325 |
| McGregor Sand | 4,832 | -3,375 |
| Day Sand | 4,877 | -3,420 |
| Lorentzen Sand | 5,058 | -3,601 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,779 | 4,791 | Perforated |
| 4,877 | 4,883 | Perforated |
| 5,064 | 5,093 | Perforated |
| — | 5,064 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 198 | 12.25 | 125 S |
| 8.625 | 210 | 11 | 125 sx |
| 5.5 | 5,094 | 7.875 | 300 sx |
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 | May 25, 2010 | Jun 11, 1990 | — |
| 00 | Nov 25, 2009 | Jun 11, 1990 | — |
| 00 | Aug 8, 1990 | Jun 11, 1990 | — |
| 00 | Jul 26, 1990 | — | — |
| 00 | Feb 13, 1990 | Aug 1, 1984 | — |
| 00 | Jan 18, 1990 | — | — |
| 00 | Aug 22, 1984 | Aug 1, 1984 | — |
| 00 | Aug 10, 1984 | Aug 1, 1984 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-433-01616 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-433-01616 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 3.5M
- bbl, all reported
- Sep 2010
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000072354 | H-1 Injection | Plugged Jan 20, 2011 | 2,500 | 1,400 | 4,775–5,100 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/43301616, documented in the API reference.