42-317-42570

SHUT IN Horizontal

SILVERBACK 13-8 UNIT 1

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

Permits

2

Max Depth

11,000 ft

First Permit

2019-10-04

Latest Activity

2019-10-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-08-29

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

2019-12

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 (12) Elevation 2,811 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,811 ft
YATES 2,200 ft+611 ft
QUEEN 4,100 ft-1,289 ft
GRAYBURG 4,230 ft-1,419 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,446 ft-1,635 ft
SPRABERRY 7,833 ft-5,022 ft
CISCO 8,500 ft-5,689 ft
JO MILL 8,656 ft-5,845 ft
DEAN 9,138 ft-6,327 ft
WOLFCAMP 9,472 ft-6,661 ft
PENNSYLVANIAN
WOLFCAMP

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
42-317-42569 SILVERBACK 13-8 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 2,200'Queen 4,100'Grayburg 4,218'San Andres 4,434'Spraberry 7,844'Cisco 8,500'Dean 9,127'Wolfcamp 9,422'Pennsylvanian
42-317-42571 SILVERBACK 13-8 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 2,200'Queen 4,100'Grayburg 4,230'San Andres 4,446'Spraberry 7,833'Cisco 8,500'Jo Mill 8,652'Dean 9,132'Wolfcamp 9,432'Pennsylvanian
42-317-42573 SILVERBACK 13-8 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Spraberry 7,833'Jo Mill 8,652'Dean 9,132'Wolfcamp 9,432'Mississippian Devonian Pennsylvanian Wolfcamp Fusselman Silurian (undifferentiated) Ellenburger +1 more
42-317-43202 YOU JANE 20-25 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Yates 2,608'Queen 3,501'Grayburg 3,999'San Andres 4,211'Spraberry 7,785'Dean 9,087'Wolfcamp 9,426'Strawn Cisco Pennsylvanian
42-317-43201 YOU JANE 20-25 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Santa Rosa 1,290'Yates 2,608'Queen 3,501'Grayburg 3,999'San Andres 4,211'Spraberry 7,784'Spraberry 8,301'Wolfcamp Cisco Dean
42-317-43207 YOU JANE 20-25 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Santa Rosa 1,290'Yates 2,608'Queen 3,501'Grayburg 3,999'San Andres 4,211'Spraberry 7,780'Jo Mill 8,606'Dean 9,087'Wolfcamp 9,365'Cisco
42-317-43203 YOU JANE 20-25 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Santa Rosa 1,290'Yates 2,608'Queen 3,501'Grayburg 3,999'San Andres 4,211'Spraberry 7,763'Jo Mill 8,584'Spraberry 8,683'Wolfcamp Dean
42-317-43205 YOU JANE 20-25 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Santa Rosa 1,290'Yates 2,608'Queen 3,501'Grayburg 3,999'San Andres 4,211'Spraberry 5,200'Dean 6,000'Wolfcamp 6,951'Cisco Pennsylvanian

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 (1)

IntervalType
9,878–20,249 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,352 ft891 sx
10.75"6,704 ft1,039 sx
5.5"20,370 ft1,983 sx

Permit History (2)

Applications (2)

#857265 A ENDEAVOR ENERGY RESOURCES L.P.
received 2020-02-03
#857265 A ENDEAVOR ENERGY RESOURCES L.P.
received 2019-09-19

Records & Logs

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

W-2/G-1 2020-10-30 log on file
W-2/G-1 2020-07-01 log on file
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 32.309037
Lon -101.991342

Well Details

Well Number
231
Max Depth
11,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2020-08-29

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
4,974