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WILLIS 44

MIDLAND County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

12,000 ft

First Permit

2009-04-03

Latest Activity

2017-03-10

Lifespan

8 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2009-06-27

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2003-02

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 (11) Elevation 2,694 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,500 ft+194 ft
SPRABERRY 7,440 ft-4,746 ft
SPRABERRY 7,450 ft-4,756 ft
DEAN 8,825 ft-6,131 ft
WOLFCAMP 9,350 ft-6,656 ft
LOWER WOLFCAMP LIME (Wolfcamp)10,250 ft-7,556 ft
STRAWN 10,475 ft-7,781 ft
STRAWN LIME (Strawn)10,475 ft-7,781 ft
BEND 10,675 ft-7,981 ft
ATOKA 10,825 ft-8,131 ft
ATOKA SHALE (Atoka)10,825 ft-8,131 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 (2)

IntervalType
7,443–11,041 ftPerforated
7,453–10,442 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"372 ft440 sx
8.625"5,087 ft700 sx
4.5"11,115 ft1,480 sx

Permit History (2)

Applications (2)

#823828 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-02-28
#680043 A ENDEAVOR ENERGY RESOURCES L.P.
received 2009-04-02

Records & Logs

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

W-2/G-1 2017-03-18
W-2/G-1 2009-10-26 log on file
W-2/G-1 2010-01-22

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 MIDLAND County.

Well Details

Well Number
8
Max Depth
12,000 ft
Drill Type
Vertical
County
MIDLAND
District
8
Completed
2009-06-27

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-05-04)
Cum Oil (all leases)
986,290,193 bbl
Cum Gas (all leases)
41,995,553 mcf
Activities
GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits
4,977