42-317-34981

PRODUCING

PHILLIPS 31

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

Permits

2

Max Depth

13,000 ft

First Permit

2007-08-10

Latest Activity

2017-11-13

Lifespan

10 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-01-20

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

2008-01

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 (8) Elevation 2,620 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,025 ft-4,405 ft
LOWER SPRABERRY (Spraberry)7,650 ft-5,030 ft
DEAN 8,350 ft-5,730 ft
WOLFCAMP LIME (Wolfcamp)8,650 ft-6,030 ft
STRAWN LIME (Strawn)10,075 ft-7,455 ft
MISS (Mississippian)10,300 ft-7,680 ft
WOODFORD 10,900 ft-8,280 ft
ATOKA

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-317-35436 PHILLIPS '31' · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Clear Fork 5,625'Spraberry 7,050'Dean 8,375'Wolfcamp 8,700'Strawn 10,125'Mississippian 10,375'Woodford 10,975'Atoka
42-317-41050 TARZAN UNIT 2 · XTO ENERGY INC.
0.4 mi
Santa Rosa 1,009'Yates 2,266'Queen 2,600'Grayburg 3,858'San Andres 3,883'Spraberry 7,067'Dean 8,400'Wolfcamp 8,591'Cisco Pennsylvanian
42-317-41052 TARZAN UNIT 2 · XTO ENERGY INC.
0.5 mi
Santa Rosa 1,009'Yates 2,265'Queen 3,369'Grayburg 3,757'San Andres 3,885'Spraberry 7,062'Cisco Wolfcamp Pennsylvanian Dean
42-317-41044 TARZAN UNIT 2 · XTO ENERGY INC.
0.5 mi
Santa Rosa 1,008'Yates 2,268'Queen 3,366'Grayburg 3,754'San Andres 3,885'Spraberry 7,065'Wolfcamp Cisco Pennsylvanian Dean
42-317-34880 MIMS '32' · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Spraberry 7,050'Spraberry 7,550'Dean 8,375'Wolfcamp 8,700'Strawn 10,125'Mississippian 10,375'Woodford 10,950'Woodford 10,995'Atoka
42-317-41075 MIMS 32H · XTO ENERGY INC.
0.5 mi
Santa Rosa 1,006'Yates 2,258'Queen 3,354'Grayburg 3,741'San Andres 3,859'Spraberry 7,061'Dean 8,387'Wolfcamp 8,588'Cisco Pennsylvanian
42-317-41074 MIMS 32H · XTO ENERGY INC.
0.5 mi
Santa Rosa 1,020'Yates 2,266'Queen 3,361'Grayburg 3,753'San Andres 3,870'Spraberry 7,069'Dean 8,396'Wolfcamp 8,591'Cisco Pennsylvanian
42-317-41078 MIMS 32H · XTO ENERGY INC.
0.5 mi
Santa Rosa 1,013'Yates 2,259'Queen 3,353'Grayburg 3,744'San Andres 3,865'Spraberry 7,061'Cisco Wolfcamp Pennsylvanian Dean

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (2)

IntervalType
7,047–10,079 ftPerforated
7,047–10,907 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"290 ft350 sx
8.625"4,497 ft700 sx
4.5"11,006 ft1,580 sx

Permit History (2)

Applications (2)

#833015 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-11-08
#641929 A ENDEAVOR ENERGY RESOURCES L.P.
received 2007-07-05

Records & Logs

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

W-2/G-1 2018-04-06
W-2/G-1 2008-02-04 log on file
W-2/G-1 2008-03-25
Completion packets + logs ↗ Wellbore filings ↗

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

Lat 32.318902
Lon -101.803074

Well Details

Well Number
1
Max Depth
13,000 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
2008-01-20

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
4,969