WELL · 42-461-35099 · DISTRICT 7

HASEL15 #1

Y

Upton County · Spraberry (Trend Area) field · Producing  · Vertical

Hasel15 #1 (API 42-461-35099) is a well in Upton County operated by Cog Operating LLC, completed September 29, 2006 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits (amended once) between 2006 and 2012, permitted to 10,325 ft.

Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.

Its 2 leases have reported 95.7K barrels of oil and 373K mcf of gas since September 2006, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 2, 2026
Permits on file
4,568
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCAug 9, 2012
10,325
total depth, ft
3
permits on file
Aug 9, 2012
last permit issued
Sep 29, 2006
completed
95.7K
cumulative oil, bbl
373K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2006 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 29, 2006
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
HASEL15 O-9-17962Spraberry (Trend Area)COG Operating LLC248.6K287KJun 2011 – Jul 2026
HASEL15 O-9-16041Buck Trap (Wolfcamp)COG Operating LLC147.2K85.3KSep 2006 – Jul 2013

Gas, mcf lease total

Last 12 months 9,873 · prior 12 6,525(+51%)

01K2K202420252026

Oil, barrels lease total

Last 12 months 932 · prior 12 951(-2%)

0100200202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Henry Petroleum LPSep 2006 → Dec 2008
  2. 2COG Operating LLCJan 2009 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
745683-99Field transferCOG Operating LLCAug 1, 2012Aug 9, 2012—10,800
619945-98DrillHenry Petroleum LPJun 20, 2006May 25, 2006Aug 3, 200610,800
619945-99DrillHenry Petroleum LPMay 25, 2006May 25, 2006Aug 2, 200610,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 29, 2006HASEL15 O-9-17962Spraberry (Trend Area)COG Operating LLCProducing10,325
Sep 29, 2006HASEL15 O-9-17962Spraberry (Trend Area)COG Operating LLCProducing10,325
Sep 29, 2006HASEL15 O-9-16041Buck Trap (Wolfcamp)COG Operating LLCNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,697 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK6,339-3,642
Spraberry7,075-4,378
Dean8,430-5,733
Wolfcamp8,535-5,838

Perforations

Perforated and open-hole intervals.

FromToType
8,67210,040Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62551912.25330 S
5.510,3257.8751,200 S
5.510,3258.751,200 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 2, 2013Aug 15, 2012—
00Jun 28, 2013Oct 13, 2006Yes
00Feb 21, 2007Oct 13, 2006Yes
00Oct 17, 2006——

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.

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.

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/46135099, documented in the API reference.