42-329-41852

PRODUCING Horizontal

RIO NUECES 37-44 UNIT 1

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

Permits

1

Max Depth

11,000 ft

First Permit

2017-07-21

Latest Activity

2017-07-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-02-24

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

2018-02

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 (10) Elevation 2,711 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,711 ft
YATES 2,650 ft+61 ft
SEVEN RIVERS 2,965 ft-254 ft
QUEEN 3,822 ft-1,111 ft
GRAYBURG 4,463 ft-1,752 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,105 ft-2,394 ft
GLORIETA 5,843 ft-3,132 ft
CLEARFORK (Clear Fork)6,785 ft-4,074 ft
SPRABERRY 7,652 ft-4,941 ft
SPRABERRY UPPER-DEAN (Spraberry)9,021 ft-6,310 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-329-41851 RIO NUECES 37-44 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 2,650'Seven Rivers 2,965'Queen 3,822'Grayburg 4,463'San Andres 5,105'Glorieta 5,843'Clear Fork 6,785'Spraberry 7,652'Spraberry 9,021'
42-329-41853 RIO NUECES 37-44 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 2,650'Seven Rivers 2,965'Queen 3,822'Grayburg 4,463'San Andres 5,105'Glorieta 5,843'Clear Fork 6,785'Spraberry 7,652'Spraberry 9,021'
42-329-41850 RIO NUECES 37-44 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 2,650'Seven Rivers 2,965'Queen 3,822'Grayburg 4,463'San Andres 5,105'Glorieta 5,843'Clear Fork 6,785'Spraberry 7,652'Spraberry 9,021'
42-329-46849 RIO SAN MARCOS 36-45 UNIT 2B · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Santa Rosa 1,000'Rustler 1,614'Yates 2,609'Queen 3,679'Grayburg 4,366'San Andres 5,161'Glorieta 5,632'Clear Fork 6,767'Spraberry 7,660'Seven Rivers
42-329-46848 RIO SAN MARCOS 36-45 UNIT 2A · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Santa Rosa 1,000'Rustler 1,614'Yates 2,609'Yates 2,625'Seven Rivers 2,981'Queen 3,680'Queen 3,830'Grayburg 4,368'Grayburg 4,393'San Andres 5,121'San Andres 5,161'Glorieta 5,631' +8 more
42-329-46847 RIO SAN MARCOS 36-45 UNIT 2A · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Santa Rosa 1,000'Rustler 1,614'Yates 2,609'Yates 2,614'Seven Rivers 2,974'Queen 3,681'Queen 3,825'Grayburg 4,369'Grayburg 4,384'San Andres 5,121'San Andres 5,161'Glorieta 5,629' +8 more
42-329-46845 RIO SAN MARCOS 36-45 UNIT 2A · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Santa Rosa 1,000'Rustler 1,614'Yates 2,608'Yates 2,617'Seven Rivers 2,981'Queen 3,682'Queen 3,827'Grayburg 4,370'Grayburg 4,391'San Andres 5,123'San Andres 5,161'Glorieta 5,628' +8 more
42-329-46846 RIO SAN MARCOS 36-45 UNIT 2A · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Santa Rosa 1,000'Rustler 1,614'Yates 2,608'Yates 2,624'Seven Rivers 2,986'Queen 3,684'Queen 3,821'Grayburg 4,371'Grayburg 4,380'San Andres 5,126'San Andres 5,161'Glorieta 5,626' +8 more

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
9,841–20,135 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,543 ft1,340 sx
9.625"8,625 ft1,110 sx
5.5"20,154 ft2,910 sx

Permit History (1)

Applications (1)

#829040 A ENDEAVOR ENERGY RESOURCES L.P.
received 2017-07-20

Records & Logs

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

W-2/G-1 2018-12-18 log on file
W-2/G-1 2018-04-05 log on file

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.

Lat 31.789101
Lon -102.017748

Well Details

Well Number
221
Max Depth
11,000 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2018-02-24

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