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CWU 1235-21

API 43047500450000 · Uintah County, Utah · NATURAL BUTTES field

PGW
API
43047500450000
Operator
Greylock Production, LLC
County
Uintah
Field
NATURAL BUTTES
Location
SENW Sec 21 9S 23E (S)
Measured depth
9,050 ft
True vertical depth
9,050 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
278 bbl
Cumulative gas
8,237 MCF
Cumulative water
3,646 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
Jun 20261239914230
May 2026746218831
Apr 2026238914126
Mar 20263048416631
Feb 20261842215328
Jan 2026635513723
Dec 20251548616231
Nov 20252052316730
Oct 20252248217431
Sep 2025950516730
Aug 2025353718931
Jul 2025265261977
Jun 20252553926010
May 20251530523213
Apr 2025114292144
Mar 202595412906
Feb 2025164403054
Jan 2025324133629

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 1 record 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
2009-08-09
Completed
2009-11-26
First production
2009-11-26
Measured depth
9,050 ft
True vertical depth
9,050 ft

Production test

TestedOil (bbl/d)Gas (MCF/d)Water (bbl/d)Gravity (°API)Shut-in (psi)Choke
2009-12-038727520——24

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.

Location

40.023350, -109.334168

40.02335, -109.33417 · 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.