WELL · 42-461-41939 · DISTRICT 7
Amacker 85A #8502BH
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Amacker 85a #8502BH (API 42-461-41939) is a horizontal well in Upton County operated by Cog Operating LLC, completed August 8, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 26, 2021, permitted to 12,000 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 245K barrels of oil and 960K mcf of gas since February 2022, last reporting in July 2026.
Operator of record
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 | COG Operating LLCOct 26, 2021 |
- 12,000
- total depth, ft
- 1
- permits on file
- Oct 26, 2021
- last permit issued
- Aug 8, 2022
- completed
- 245K
- cumulative oil, bbl
- 960K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 8, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.384302, -102.065877
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Amacker 85A O-9-21619 | Spraberry (Trend Area) | COG Operating LLC | 1 | 245K | 960K | Feb 2022 – Jul 2026 |
Gas, mcf lease total
Last 12 months 237,312 · prior 12 245,177(-3%)
Oil, barrels lease total
Last 12 months 26,508 · prior 12 35,986(-26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCAug 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 873774-99 | Drill | COG Operating LLC | Oct 18, 2021 | Oct 26, 2021 | Jan 5, 2022 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-21619 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,771 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,521 | 250 |
| Grayburg | 3,725 | -954 |
| San AndresSAN ANDRES - SALTWATER FLOW | 3,803 | -1,032 |
| Spraberry | 7,285 | -4,514 |
| Wolfcamp | 8,624 | -5,853 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,343 | 19,696 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 585 | 17.5 | 600 S |
| 9.625 | 8,408 | 12.25 | 1,050 S |
| 5.5 | 19,775 | 8.5 | 3,140 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 1, 2022 | Nov 2, 2022 | Yes |
| 00 | Jun 24, 2022 | May 18, 2022 | Yes |
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 42-461-41939 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-41939 → 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.
Amacker 85B42-461-41938
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 767 | 2,004 |
| Grayburg | 3,729 | -958 |
| San Andres | 3,807 | -1,036 |
| Spraberry | 7,291 | -4,520 |
| Wolfcamp | 8,629 | -5,858 |
| Fusselman | — | |
| Strawn | — | |
| Devonian | — |
9 TOPS · FIRST 8
Amacker 68D42-461-41943
0.9 KM · COG Operating LLC · Section with this well →
| Yates | 2,502 | 266 |
| Grayburg | 3,697 | -929 |
| San Andres | 3,777 | -1,009 |
| Spraberry | 7,301 | -4,533 |
| Wolfcamp | 8,651 | -5,883 |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Amacker 68C42-461-41942
0.9 KM · COG Operating LLC · Section with this well →
| Yates | 2,503 | 265 |
| Grayburg | 3,698 | -930 |
| San Andres | 3,776 | -1,008 |
| Spraberry | 7,294 | -4,526 |
| Wolfcamp | 8,644 | -5,876 |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Amacker 68B42-461-41941
0.9 KM · COG Operating LLC · Section with this well →
| Yates | 2,504 | 264 |
| Grayburg | 3,698 | -930 |
| San Andres | 3,777 | -1,009 |
| Spraberry | 7,300 | -4,532 |
| Wolfcamp | 8,643 | -5,875 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Amacker 68A42-461-41940
0.9 KM · COG Operating LLC · Section with this well →
| Yates | 2,505 | 263 |
| Grayburg | 3,700 | -932 |
| San Andres | 3,778 | -1,010 |
| Spraberry | 7,298 | -4,530 |
| Wolfcamp | 8,645 | -5,877 |
| Ellenburger | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Noelia B542-461-43219
2.1 KM · COG Operating LLC · Section with this well →
| Yates | 2,577 | 231 |
| Grayburg | 4,685 | -1,877 |
| San Andres | 4,758 | -1,950 |
| Spraberry | 8,131 | -5,323 |
| Wolfcamp | 9,019 | -6,211 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Noelia B642-461-43220
2.1 KM · COG Operating LLC · Section with this well →
| Yates | 2,578 | 230 |
| Grayburg | 4,685 | -1,877 |
| San Andres | 4,758 | -1,950 |
| Spraberry | 8,121 | -5,313 |
| Wolfcamp | 9,353 | -6,545 |
| Ellenburger | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Noelia B442-461-43218
2.1 KM · COG Operating LLC · Section with this well →
| Yates | 2,576 | 232 |
| Grayburg | 4,680 | -1,872 |
| San Andres | 4,753 | -1,945 |
| Spraberry | 8,127 | -5,319 |
| Wolfcamp | 8,985 | -6,177 |
| Fusselman | — | |
| Ellenburger | — | |
| Strawn | — |
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/46141939, documented in the API reference.