WELL · 42-275-32177 · DISTRICT 7
Richardson North #4
Knox County · Katz field · Vertical
Richardson North #4 (API 42-275-32177) is a well in Knox County operated by Apache Corporation, completed March 8, 2003.
The RRC has issued one drilling permit, issued December 19, 2002, permitted to 5,300 ft.
It was permitted by Westport Oil And Gas Company, LP and has since transferred to Apache Corporation on the wellbore schedule.
Completion filings report 4 formation tops, including Coleman Junction, Des Moines, Strawn, K Lime.
Its 2 leases have reported 293K barrels of oil since March 2003, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Westport Oil and Gas Company, LP; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Great American Resources Inc.through Apr 2026 |
| Latest permit | Westport Oil and Gas Company, LPDec 19, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,300
- total depth, ft
- 1
- permits on file
- Dec 19, 2002
- last permit issued
- Mar 8, 2003
- completed
- 293K
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 8, 2003
- 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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Richardson North O-8-30431 | Katz (Strawn) | Great American Resources Inc. | 4 | 126K | 0 | Nov 2009 – Jul 2026 |
| Richardson North O-8-29219 | Katz | Apache Corporation | 3 | 167K | 0 | Mar 2003 – Feb 2010 |
Oil, barrels lease total
Last 12 months 678 · prior 12 966(-30%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Westport Oil and Gas Company, LPMar 2003 → Feb 2006
- 2Kerr-McGee Oil & Gas Onshore LPMar 2006 → Mar 2007
- 3Apache CorporationApr 2007 → Apr 2015
- 4Cholla Petroleum, Inc.May 2015 → May 2024
- 5Great American Resources Inc.Jun 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 526504-99 | Drill | Westport Oil and Gas Company, LP | Dec 18, 2002 | Dec 19, 2002 | Feb 6, 2003 | 5,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-29219 | — | — | — | — |
| — | — O-8-30431 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,459 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Coleman Junction | 1,979 | -520 |
| Des MoinesDES MOINES SHALE | 4,833 | -3,374 |
| StrawnSTRAWN 4800 | 4,885 | -3,426 |
| K Lime | 5,000 | -3,541 |
| StrawnSTRAWN 5100 | 5,119 | -3,660 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,888 | 4,904 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 226 | 12.25 | 165 S |
| 5.5 | 5,292 | 7.875 | 500 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 | Dec 2, 2009 | Mar 17, 2003 | Yes |
| 00 | May 8, 2003 | Mar 17, 2003 | Yes |
| 00 | Apr 25, 2003 | — | — |
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 42-275-32177 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-275-32177 → 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
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000124925 | H-1 Injection | Not activated | 3,000 | 2,443 | 4,886–5,292 |
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/27532177, documented in the API reference.