42-251-34386

PRODUCING Horizontal

KING SISTERS

JOHNSON County · District 9 · FORMENTERA OPERATIONS LLC · NEWARK EAST (BARNETT SHALE)

Permits

1

Max Depth

9,000 ft

First Permit

2011-08-25

Latest Activity

2011-08-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2012-04-19

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Production operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Production: JAVELIN ENERGY PARTNERS MGMT LLC (reported 2024-03)

!

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.

Resolved via: schedulingFORMENTERA OPERATIONS LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-04

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (3) Elevation 842 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BIG SALINE 5,849 ft-5,007 ft
MARBLE FALLS 5,966 ft-5,124 ft
UPPER BARNETT SHALE (Barnett)6,374 ft-5,532 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (10)

IntervalType
6,654–7,028 ftPerforated
7,119–7,493 ftPerforated
7,584–7,958 ftPerforated
8,049–9,423 ftPerforated
8,514–8,888 ftPerforated
8,979–9,353 ftPerforated
9,444–9,818 ftPerforated
9,909–10,283 ftPerforated
10,374–10,748 ftPerforated
10,839–11,213 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,154 ft465 sx
5.5"11,270 ft1,485 sx

Permit History (1)

Applications (1)

#722403 A DEVON ENERGY PRODUCTION CO, L.P.
received 2011-08-16

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2012-07-12 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in JOHNSON County.

Well Details

Well Number
21H
Max Depth
9,000 ft
Drill Type
Horizontal
County
JOHNSON
District
9
Completed
2012-04-19

Operator

Location
AUSTIN
P-5 Status
X (filed 2026-06-11)
Cum Oil (all leases)
7,170,117 bbl
Cum Gas (all leases)
53,235,974 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
71