ELIZABETH 11-11-16 #1H

API 3514921621 · Washita County, Oklahoma

ACOIL

API

3514921621

Operator

UNBRIDLED RESOURCES LLC

County

Washita

Location

Sec 11 11N 16W (IM)

Completion

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

Completion 0

HORIZONTAL HOLEACOIL

Spudded

2011-12-17

Drilling finished

2012-02-26

Completed

2012-03-21

First production

2012-03-11

Total depth

15,556 ft

Operator

UNBRIDLED RESOURCES LLC

Interval

Formation	Produced	Perforated (ft)	Treatment
DES MOINES	OIL	12,116–15,450	Frac

Production test

Tested	Oil (bbl/d)	Gas (MCF/d)	Water (bbl/d)	Gravity (°API)	Shut-in (psi)	Choke
2012-03-21	359	3,439	68	46	3,500	20

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)
INTERMEDIATE	7	26	P-110	11,511	625
PRODUCTION	4 1/2	13.5	P-110	15,556	700
INTERMEDIATE	9 5/8	40	J-55	1,525	560
SURFACE	13 3/8	48	H-40	440	690

Drilling permit

Oklahoma files 1 application to drill this well, naming 4 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 2011-10-24

WRADRHorizontal hole

Permit API

35149216210000

Operator

CHESAPEAKE OPERATING LLC

Well type

OIL

Approved

2011-10-24

Expires

2012-04-24

Proposed depth

17,000 ft

Proposed measured depth

15,556 ft

Proposed true vertical depth

11,918 ft

Proposed lateral

4,715 ft

Surface casing

1,500 ft

Ground elevation

1,507 ft

Target formations

Formation	Expected top (ft)
PERMIAN	8,200
VIRGILIAN	8,500
MISSOURIAN	9,500
DES MOINES	11,827

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.

Location

35.437290, -98.869140

35.43729, -98.86914 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom

Every well in Washita County, Oklahoma

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