42-251-30121

PRODUCING Horizontal

SANDEFUR R. V.

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

Permits

1

Max Depth

9,000 ft

First Permit

2002-12-19

Latest Activity

2002-12-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-11-16

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Production operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Production: JAVELIN ENERGY PARTNERS MGMT LLC (reported 2025-11)

!

EWA / Permit operator mismatch

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

Resolved via: schedulingFORMENTERA OPERATIONS LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2003-04

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 (1) Elevation 839 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ATOKA 5,219 ft-4,380 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 (1)

IntervalType
8,135–9,792 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,665 ft1,480 sx
8.625"7,681 ft330 sx
5.5"9,799 ft155 sx

Permit History (1)

Applications (1)

#526544 A DEVON ENERGY OPERATING CO., L.P.
received 2002-12-19

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2020-06-30
W-2/G-1 2003-07-25 log on file
W-2/G-1 2003-09-11

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
2
Max Depth
9,000 ft
Drill Type
Horizontal
County
JOHNSON
District
9
Completed
2018-11-16

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
73