TEXAS · WELLS · OCHILTREE COUNTY · API 42-357-31439 · DISTRICT 08
Nitschke -A- #4
Ochiltree County · Haywood (Atoka) field · Vertical
Nitschke -A- #4 (API 42-357-31439) is a plugged well in Ochiltree County, plugged May 13, 2010, last operated by Conocophillips Company.
The RRC has issued 3 drilling permits between 1983 and 2008, permitted to 9,010 ft.
Completion filings report 8 formation tops, including Brown Dolomite, Tonkawa, Atoka, Morrow.
Its 2 leases have reported 250K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 3, 2026
- Permits on file
- 3,290
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Conocophillips Company |
| Production reports | Conocophillips Companythrough Sep 2008 |
| Latest permit | Conocophillips CompanyJun 18, 2008 |
- 9,010
- total depth, ft
- 3
- permits on file
- Jun 18, 2008
- last permit issued
- Aug 7, 2008
- completed
- 0
- cumulative oil, bbl
- 250K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 7, 2008
- Shut in
- —
- Plugged
- May 13, 2010
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Nitschke -A- G-14-135545 | Haywood (Atoka) | Conocophillips Company | 1 | 0 | 250K | Jan 1993 – Sep 2008 |
| — O-14-5755 | — | — | 0 | 0 | 0 | — |
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.
- 1Phillips Petroleum CompanyJan 1993 → Dec 2002
- 2Conocophillips CompanyJan 2003 → Sep 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 663370-99 | Recompletion | Conocophillips Company | May 30, 2008 | Jun 18, 2008 | — | 7,200 |
| 369833-99 | Recompletion | Phillips Petroleum Company | Feb 13, 1990 | Feb 13, 1990 | — | 8,439 |
| 209703-99 | Drill | Phillips Petroleum Company | Apr 16, 1984 | Sep 6, 1983 | Sep 25, 1983 | 9,010 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 7, 2008 | Nitschke -A- G-14-135545 | Haywood (Atoka) | Conocophillips Company | Plugged | — |
| Nov 14, 1983 | Nitschke A O-14-5755 | Nitschke (St. Louis) | Phillips Petroleum Company | Plugged | — |
| Nov 14, 1983 | Nitschke A O-14-5590 | Alpar (St. Louis) | Phillips Petroleum Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,053 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,272 | -219 |
| TonkawaTONKAWA SAND | 5,430 | -2,377 |
| Atoka | 7,206 | -4,153 |
| MorrowMORROW SHALE | 7,362 | -4,309 |
| MississippianMISS - ST. GEN. | 7,927 | -4,874 |
| MississippianMISS-ST. GEN | 7,927 | -4,874 |
| MississippianMISS. - ST. GEN | 7,927 | -4,874 |
| MississippianMISS. ST. GEN. | 7,927 | -4,874 |
| St. Louis | 7,984 | -4,931 |
| Spergen | 8,665 | -5,612 |
| Hunton | 9,100 | -6,047 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,049 | 7,061 | Perforated |
| 7,207 | 7,214 | Perforated |
| 8,434 | 8,440 | Perforated |
| 8,434 | 9,109 | Perforated |
| 8,442 | 8,446 | Perforated |
| 8,489 | 8,498 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,060 | 12.25 | 1,175 S |
| 2.375 | 8,489 | — | — |
| 5.5 | 9,293 | 7.875 | 550 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 | Oct 21, 2009 | Jul 6, 2009 | — |
| 00 | Nov 27, 1990 | Jun 22, 1990 | Yes |
| 00 | Sep 11, 1990 | — | — |
| 00 | May 21, 1984 | Mar 5, 1984 | — |
| 00 | May 17, 1984 | Mar 5, 1984 | — |
| 00 | Feb 8, 1984 | Nov 22, 1983 | — |
| 00 | Jan 12, 1984 | Nov 22, 1983 | — |
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 42-357-31439 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-357-31439 → 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/35731439, documented in the API reference.