HART INVESTMENT LLC #20-1

API 3510540854 · Nowata County, Oklahoma

ACGAS

API

3510540854

Operator

RIVER ROCK OPERATING LLC

County

Nowata

Location

Sec 20 29N 17E (IM)

Completion

Oklahoma files 1 completion report for this well. One carries a production test the operator filed.

Completion 0

STRAIGHT HOLEACGAS

Spudded

2011-05-26

Drilling finished

2011-05-27

Completed

2011-06-13

Total depth

1,180 ft

Operator

RIVER ROCK OPERATING LLC

Intervals

Formation	Produced	Perforated (ft)	Treatment
NEUTRAL	GAS	878–820	Acid, Frac
RIVERTON	GAS	888–890	Acid, Frac

Production test

Tested	Oil (bbl/d)	Gas (MCF/d)	Water (bbl/d)	Gravity (°API)	Shut-in (psi)	Choke
2011-05-26	0	28	0	—	0	OPEN

A production test is one measurement the operator made on one day and filed with Oklahoma. It is not a monthly average and it does not describe how the well produced afterwards. The choke size is shown exactly as filed: Oklahoma 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 Oklahoma did not file, or one it filed outside any physically possible range.

Casing

String	Size (in)	Weight (lb/ft)	Grade	Set (ft)	Cement (sacks)
PRODUCTION	5.5	14	PORTLAND A	1,019	165
SURFACE	5.5	—	PORTLAND A	23	4

Drilling permit

Oklahoma files 1 application to drill this well, naming 10 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.

Filed 2011-05-13

WRADRStraight hole

Permit API

35105408540000

Operator

POSTROCK MIDCONTINENT PRODUCTION LLC

Well type

GAS

Approved

2011-05-13

Expires

2011-11-13

Proposed depth

1,180 ft

Ground elevation

825 ft

Target formations

Formation	Expected top (ft)
SUMMIT	350
MULKY	415
IRON POST	435
CROWEBERG	460
TEBO	605
WEIR	619
BLUEJACKET	740
ROWE COAL	815
NEUTRAL	825
RIVERTON	885

An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.

Every well in Nowata County, Oklahoma

Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.