42-497-36316

Horizontal

EUDALY

WISE County · District 9 · PIONEER NATURAL RES. USA INC. · NEWARK EAST (BARNETT SHALE)

Permits

2

Max Depth

9,000 ft

First Permit

2007-08-06

Latest Activity

2007-08-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-10-11

Shut-In

Plugged

2012-10-02

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: DUNE OPERATING COMPANY

Resolved via: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2007-10

Last Production

2012-10

Lease Production

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

Formation Tops (3) Elevation 782 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MARBLE FALLS 5,862 ft-5,080 ft
UPPER BARNETT SHALE (Barnett)6,190 ft-5,408 ft
FORESTBURG 6,362 ft-5,580 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 (7)

IntervalType
6,730–6,688 ftPerforated
7,130–7,364 ftPerforated
7,130–8,744 ftPerforated
7,475–7,709 ftPerforated
7,820–8,054 ftPerforated
8,165–8,399 ftPerforated
8,510–8,744 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"982 ft500 sx
5.5"8,844 ft750 sx

Permit History (2)

Applications (2)

#643554 A DUNE OPERATING COMPANY
received 2007-08-08
#643554 A DARK HORSE OPERATING CO., L.L.C.
received 2007-07-31

Records & Logs

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

W-2/G-1 2008-06-04 log on file
W-2/G-1 2008-10-10

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 WISE County.

Well Details

Well Number
1H
Max Depth
9,000 ft
Drill Type
Horizontal
County
WISE
District
9
Completed
2007-10-11

Operator

Location
Y SPRING
P-5 Status
Active (filed 2025-08-01)
Cum Oil (all leases)
1,771,882,421 bbl
Cum Gas (all leases)
1,763,727,021 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
15,489