WELL · 42-461-40368 · DISTRICT 7
HASEL28 Unit #2801AH
Upton County · Spraberry (Trend Area) field · Producing · Horizontal
Hasel28 Unit #2801AH (API 42-461-40368) is a horizontal well in Upton County operated by Cog Operating LLC, completed March 18, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued June 27, 2016, permitted to 10,500 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 574K barrels of oil and 3.92M mcf of gas since March 2017, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
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 LLCJun 27, 2016 |
- 10,500
- total depth, ft
- 2
- permits on file
- Jun 27, 2016
- last permit issued
- Mar 18, 2017
- completed
- 574K
- cumulative oil, bbl
- 3.92M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 18, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.340724, -101.985070
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| HASEL28 Unit O-9-19584 | Spraberry (Trend Area) | COG Operating LLC | 2 | 574K | 3.92M | Mar 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 183,859 · prior 12 113,822(+62%)
Oil, barrels lease total
Last 12 months 14,779 · prior 12 11,740(+26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCMar 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 816552-98 | Drill | COG Operating LLC | May 16, 2017 | Jun 27, 2016 | Aug 2, 2016 | 10,500 |
| 816552-99 | Drill | COG Operating LLC | Jun 24, 2016 | Jun 27, 2016 | Aug 1, 2016 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-19584 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,659 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,300 | 359 |
| Yates | 2,404 | 255 |
| Grayburg | 4,100 | -1,441 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,440 | -1,781 |
| Grayburg | 4,490 | -1,831 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,685 | -2,026 |
| Spraberry | 7,015 | -4,356 |
| Spraberry | 7,355 | -4,696 |
| Wolfcamp | 8,110 | -5,451 |
| Wolfcamp | 8,775 | -6,116 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,052 | 19,275 | Perforated |
| 9,052 | 19,385 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 500 | 17.5 | 520 S |
| 9.625 | 8,059 | 12.25 | 450 S |
| 5.5 | 19,426 | 8.5 | 3,070 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 13, 2017 | Oct 9, 2017 | Yes |
| 00 | Sep 18, 2017 | May 26, 2017 | 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 42-461-40368 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-40368 → 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.
HASEL28 Unit 142-461-40370
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,300 | 359 |
| Grayburg | 4,100 | -1,441 |
| San Andres | 4,440 | -1,781 |
| Spraberry | 7,015 | -4,356 |
| Wolfcamp | 8,280 | -5,621 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
COWDEN28 Unit 142-461-40380
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,360 | 298 |
| Grayburg | 4,300 | -1,642 |
| San Andres | 4,440 | -1,782 |
| Spraberry | 7,015 | -4,357 |
| Wolfcamp | 8,425 | -5,767 |
| Strawn | — | |
| Devonian | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Drilly Idol A842-461-42990
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,327 | 340 |
| Grayburg | 4,354 | -1,687 |
| San Andres | 4,467 | -1,800 |
| Spraberry | 7,956 | -5,289 |
| Wolfcamp | 9,194 | -6,527 |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Drilly Idol A742-461-42989
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,327 | 340 |
| Grayburg | 4,356 | -1,689 |
| San Andres | 4,473 | -1,806 |
| Spraberry | 7,268 | -4,601 |
| Fusselman | — | |
| Wolfcamp | — | |
| Devonian | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Drilly Idol A642-461-42978
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,326 | 341 |
| Grayburg | 4,380 | -1,713 |
| San Andres | 4,485 | -1,818 |
| Spraberry | 7,958 | -5,291 |
| Wolfcamp | 8,758 | -6,091 |
| Strawn | — | |
| Devonian | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Drilly Idol A542-461-42976
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,326 | 341 |
| Grayburg | 4,377 | -1,710 |
| San Andres | 4,485 | -1,818 |
| Spraberry | 7,285 | -4,618 |
| Ellenburger | — | |
| Fusselman | — | |
| Strawn | — | |
| Wolfcamp | — |
9 TOPS · FIRST 8
Drilly Idol A342-461-42977
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,326 | 341 |
| Grayburg | 4,387 | -1,720 |
| San Andres | 4,498 | -1,831 |
| Spraberry | 7,282 | -4,615 |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Drilly Idol A442-461-42975
0.2 KM · COG Operating LLC · Section with this well →
| Yates | 2,326 | 341 |
| Grayburg | 4,384 | -1,717 |
| San Andres | 4,497 | -1,830 |
| Spraberry | 7,954 | -5,287 |
| Wolfcamp | 9,181 | -6,514 |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
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/46140368, documented in the API reference.