42-317-42482

PRODUCING Horizontal

DARK STAR UNIT 2

MARTIN County · District 8 · XTO ENERGY INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

10,000 ft

First Permit

2019-08-22

Latest Activity

2019-08-22

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-06-02

Shut-In

Plugged

P-5 Org Status: X

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 (18) Elevation 2,594 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 849 ft+1,745 ft
SANTA ROSA 881 ft+1,713 ft
YATES 2,076 ft+518 ft
YATES 2,087 ft+507 ft
QUEEN 3,176 ft-582 ft
QUEEN 3,207 ft-613 ft
GRAYBURG 3,435 ft-841 ft
GRAYBURG 3,451 ft-857 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,497 ft-903 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,514 ft-920 ft
SPRABERRY 6,612 ft-4,018 ft
SPRABERRY 6,614 ft-4,020 ft
DEAN 8,157 ft-5,563 ft
DEAN 8,176 ft-5,582 ft
WOLFCAMP 8,358 ft-5,764 ft
WOLFCAMP 8,359 ft-5,765 ft
CISCO
PENNSYLVANIAN

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
42-317-42479 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 mi
Santa Rosa 849'Queen Spraberry Pennsylvanian Wolfcamp Cisco Grayburg Yates Dean San Andres
42-317-42483 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 mi
Santa Rosa 849'Santa Rosa 898'Yates 2,076'Yates 2,080'Queen 3,176'Queen 3,196'Grayburg 3,427'Grayburg 3,435'San Andres 3,482'San Andres 3,497'Spraberry 6,608'Spraberry 6,614' +6 more
42-317-42484 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 mi
Santa Rosa 840'Santa Rosa 894'Yates 2,067'Yates 2,091'Queen 3,167'Queen 3,189'Grayburg 3,420'Grayburg 3,426'San Andres 3,482'San Andres 3,488'Spraberry 6,605'Spraberry 6,615' +6 more
42-317-42480 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 mi
Santa Rosa 840'Santa Rosa 877'Yates 2,067'Yates 2,086'Queen 3,167'Queen 3,207'Grayburg 3,426'Grayburg 3,446'San Andres 3,488'San Andres 3,507'Spraberry 6,605'Spraberry 6,617' +6 more
42-317-42481 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 mi
Santa Rosa 840'Santa Rosa 843'Yates 2,067'Yates 2,084'Queen 3,167'Queen 3,202'Grayburg 3,426'Grayburg 3,443'San Andres 3,488'San Andres 3,505'Spraberry 6,601'Spraberry 6,605' +6 more
42-317-42476 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 mi
Santa Rosa 758'Santa Rosa 834'Yates 2,061'Yates 2,081'Queen 3,161'Queen 3,189'Grayburg 3,420'Grayburg 3,446'San Andres 3,482'San Andres 3,497'Spraberry 6,599'Spraberry 6,600' +6 more
42-317-42493 DARK STAR UNIT 1 & 2 ALLOCATION · XTO ENERGY INC.
0.2 mi
Santa Rosa 862'Santa Rosa 885'Yates 2,089'Queen 3,189'Queen 3,207'Grayburg 3,448'Grayburg 3,458'San Andres 3,510'San Andres 3,516'Spraberry 6,627'Spraberry 6,636'Dean 8,189' +5 more
42-317-42494 DARK STAR UNIT 1 & 2 ALLOCATION · XTO ENERGY INC.
0.2 mi
Santa Rosa 856'Santa Rosa 862'Yates 2,089'Yates 2,093'Queen 3,189'Queen 3,226'Grayburg 3,448'Grayburg 3,463'San Andres 3,510'San Andres 3,522'Spraberry 6,627'Spraberry 6,635' +6 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
9,516–19,872 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"1,092 ft580 sx
8.625"7,826 ft1,447 sx
5.5"19,995 ft2,252 sx

Permit History (1)

Applications (1)

#855620 A XTO ENERGY INC.
received 2019-07-26

Records & Logs

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

W-2/G-1 2021-07-09 log on file
W-2/G-1 2020-07-14 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 32.271954
Lon -101.765847

Well Details

Well Number
2115AH
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-06-02

Operator

Location
SPRING
P-5 Status
X (filed 2026-04-08)
Cum Oil (all leases)
772,419,164 bbl
Cum Gas (all leases)
11,039,899,986 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
16,138