TEXAS · WELLS · UPTON COUNTY · AMACKER65 LEASE · API 42-461-36343 · DISTRICT 6E

AMACKER65 #4

Shut in

Upton County · Spraberry (Trend Area) field · Shut In  · Vertical

Amacker65 #4 (API 42-461-36343) is a well in Upton County operated by Cog Operating LLC, completed October 28, 2009 and listed as shut in on the RRC schedule, shut in February 1, 2020.

The RRC has issued one drilling permit, issued August 5, 2009, permitted to 10,315 ft.

Completion filings report 5 formation tops, including Spraberry, Dean, Wolfcamp, Base Of At Zone.

Its lease has reported 283K barrels of oil and 805K mcf of gas since October 2004, last reporting in July 2026. The lease carries 4 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 5, 2009
10,315
total depth, ft
1
permits on file
Aug 5, 2009
last permit issued
Oct 28, 2009
completed
283K
cumulative oil, bbl
805K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2004 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 28, 2009
Shut in
Feb 1, 2020
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 lease this well is completed on; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
AMACKER65 O-9-15603Spraberry (Trend Area)COG Operating LLC4283K805KOct 2004 – Jul 2026

Oil, barrels lease total

Last 12 months 1,095 · prior 12 1,614(-32%)

0100200300202420252026

Gas, mcf lease total

Last 12 months 2,603 · prior 12 1,468(+77%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Henry Petroleum LPOct 2004 → Dec 2008
  2. 2COG Operating LLCJan 2009 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
683591-99DrillCOG Operating LLCJul 29, 2009Aug 5, 2009Sep 13, 200910,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 28, 2009AMACKER65 O-9-15603Spraberry (Trend Area)COG Operating LLCShut In · shut in Feb 1, 202010,315

Formation tops

As filed on W-2/G-1. Subsea from 2,752 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,195-4,443
Dean8,535-5,783
Wolfcamp8,660-5,908
WolfcampLOWER WOLFCAMP9,000-6,248
Base of at Zone9,390-6,638
Base Big Lime10,165-7,413

Perforations

Perforated and open-hole intervals.

FromToType
7,50010,080Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62559712.25315 S
5.510,3157.875920 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
00Feb 24, 2010Nov 23, 2009Yes
00Dec 11, 2009——

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/46136343, documented in the API reference.