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CWU 840-21

API 43047353020000 · Uintah County, Utah · NATURAL BUTTES field

PGW
API
43047353020000
Operator
Greylock Production, LLC
County
Uintah
Field
NATURAL BUTTES
Location
NESE Sec 21 9S 22E (S)
Measured depth
10,250 ft

Production

18 monthly filings with Utah, Jan 2025 to Jun 2026. Each product is in its own unit and the four are never added.

Cumulative oil
620 bbl
Cumulative gas
42,900 MCF
Cumulative water
1,301 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
Jun 202632,2921030
May 2026102,4283031
Apr 2026352,2778030
Mar 2026382,2055231
Feb 2026272,0994928
Jan 2026422,38910231
Dec 2025372,46411031
Nov 2025362,3929930
Oct 2025542,3809331
Sep 2025242,2957130
Aug 2025352,5179731
Jul 2025382,56710031
Jun 2025262,3186730
May 2025372,4717731
Apr 2025572,4255630
Mar 2025312,5456531
Feb 2025452,3386728
Jan 2025452,4987631

A dash is a period the well filed with no volume for that product. This corpus holds Utah’s series from 2025; the Division publishes earlier years in a separate set of files.

Work history

Utah files 2 records of work done on this well — each drill, plug, deepening, re-entry, re-perforation and recompletion, with the depths reached. One carries a production test the operator filed afterwards.

DRILL

VERTICALPGW
Spudded
2006-01-04
Completed
2006-03-02
First production
2006-03-02
Measured depth
10,250 ft
True vertical depth
10,250 ft

Production test

TestedOil (bbl/d)Gas (MCF/d)Water (bbl/d)Gravity (°API)Shut-in (psi)Choke
2006-03-0841911121——10

A production test is one measurement the operator made on one day and filed with Utah. It is not a monthly average and it does not describe how the well produced afterwards. The choke size is shown exactly as filed: Utah records it in inches on some reports and in sixty-fourths of an inch on others, and names the unit on neither. A dash is a measurement Utah did not file, or one it filed outside any physically possible range.

REPERF

PGW

Location

40.020104, -109.436789

40.02010, -109.43679 · Surface location as filed with Utah

Every well in Uintah County, Utah

Utah state record, from UT_wells_Wells.parquet. Corpus built 2026-09-11.