WELL · 42-461-33856 · DISTRICT 7
Neal Ranch 56 Z #1
Upton County · Spraberry (Trend Area) field · Producing · Vertical
Neal Ranch 56 Z #1 (API 42-461-33856) is a well in Upton County operated by Cog Operating LLC, completed October 20, 1997 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 4, 1997, permitted to 10,150 ft.
It was permitted by Apache Corporation and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 37.9K barrels of oil and 15.4K mcf of gas since October 1997, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Apache Corporation; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Apache CorporationSep 4, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,150
- total depth, ft
- 2
- permits on file
- Sep 4, 1997
- last permit issued
- Oct 20, 1997
- completed
- 37.9K
- cumulative oil, bbl
- 15.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 20, 1997
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.491890, -102.059212
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Upton County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Neal Ranch "56" Z O-9-14682 | Spraberry (Trend Area) | COG Operating LLC | 4 | 37.9K | 15.4K | Oct 1997 – Jul 2026 |
Oil, barrels lease total
Last 12 months 362 · prior 12 547(-34%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Arco PermianNov 1997 → Dec 2001
- 2BP America Production CompanyJan 2002 → Nov 2010
- 3Apache CorporationDec 2010 → May 2022
- 4COG Operating LLCJun 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 467062-98 | Drill | Apache Corporation | Jun 23, 2020 | Sep 4, 1997 | Sep 7, 1997 | 10,150 |
| 467062-99 | Drill | Arco Permian | Sep 3, 1997 | Sep 4, 1997 | Sep 7, 1997 | 10,150 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-14682 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,787 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,057 | -3,270 |
| Spraberry | 7,545 | -4,758 |
| Dean | 8,843 | -6,056 |
| Wolfcamp | 9,080 | -6,293 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,740 | 6,760 | Perforated |
| 6,740 | 9,430 | Perforated |
| 7,675 | 7,695 | Perforated |
| 8,300 | 8,320 | Perforated |
| 9,410 | 9,430 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 405 | 14.75 | 200 S |
| 8.625 | 4,990 | 11 | 400 S |
| 5.5 | 9,997 | 7.875 | 960 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 30, 2020 | Jun 30, 2020 | — |
| 00 | Dec 19, 1997 | Nov 26, 1997 | Yes |
| 00 | Dec 5, 1997 | — | — |
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 42-461-33856 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-33856 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Eagle Pass C142-461-42903
0.1 KM · COG Operating LLC · Section with this well →
| Yates | 2,606 | 181 |
| Grayburg | 4,697 | -1,910 |
| San Andres | 4,789 | -2,002 |
| Spraberry | 7,587 | -4,800 |
| Ellenburger | — | |
| Strawn | — | |
| Wolfcamp | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Eagle Pass C242-461-42916
0.1 KM · COG Operating LLC · Section with this well →
| Yates | 2,605 | 182 |
| Grayburg | 4,699 | -1,912 |
| San Andres | 4,786 | -1,999 |
| Spraberry | 7,582 | -4,795 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — | |
| Strawn | — |
9 TOPS · FIRST 8
Eagle Pass C342-461-42917
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,605 | 182 |
| Grayburg | 4,699 | -1,912 |
| San Andres | 4,781 | -1,994 |
| Spraberry | 7,577 | -4,790 |
| Wolfcamp | 9,070 | -6,283 |
| Ellenburger | — | |
| Strawn | — | |
| Devonian | — |
9 TOPS · FIRST 8
Eagle Pass C442-461-42918
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,603 | 184 |
| Grayburg | 4,702 | -1,915 |
| San Andres | 4,782 | -1,995 |
| Spraberry | 7,575 | -4,788 |
| Wolfcamp | — | |
| Ellenburger | — | |
| Strawn | — | |
| Devonian | — |
9 TOPS · FIRST 8
Eagle Pass C542-461-42919
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,602 | 185 |
| Grayburg | 4,706 | -1,919 |
| San Andres | 4,786 | -1,999 |
| Spraberry | 7,577 | -4,790 |
| Wolfcamp | 9,076 | -6,289 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Eagle Pass C642-461-42920
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,602 | 185 |
| Grayburg | 4,711 | -1,924 |
| San Andres | 4,791 | -2,004 |
| Spraberry | 7,576 | -4,789 |
| Wolfcamp | — | |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Eagle Pass C742-461-42921
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,601 | 186 |
| Grayburg | 4,713 | -1,926 |
| San Andres | 4,793 | -2,006 |
| Spraberry | 7,576 | -4,789 |
| Fusselman | — | |
| Ellenburger | — | |
| Strawn | — | |
| Wolfcamp | — |
9 TOPS · FIRST 8
Eagle Pass C842-461-42922
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,601 | 186 |
| Grayburg | 4,722 | -1,935 |
| San Andres | 4,799 | -2,012 |
| Spraberry | 7,577 | -4,790 |
| Wolfcamp | — | |
| Ellenburger | — | |
| Devonian | — | |
| Fusselman | — |
9 TOPS · FIRST 8
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/46133856, documented in the API reference.