42-317-42467

PRODUCING Horizontal

DARK STAR UNIT 1

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

Permits

1

Max Depth

10,000 ft

First Permit

2019-08-20

Latest Activity

2019-08-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-05-24

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-01

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 (18) Elevation 2,604 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 865 ft+1,739 ft
SANTA ROSA 930 ft+1,674 ft
YATES 2,092 ft+512 ft
YATES 2,118 ft+486 ft
QUEEN 3,192 ft-588 ft
QUEEN 3,223 ft-619 ft
GRAYBURG 3,451 ft-847 ft
GRAYBURG 3,469 ft-865 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,513 ft-909 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,530 ft-926 ft
SPRABERRY 6,630 ft-4,026 ft
SPRABERRY 6,647 ft-4,043 ft
DEAN 8,187 ft-5,583 ft
DEAN 8,192 ft-5,588 ft
WOLFCAMP 8,375 ft-5,771 ft
WOLFCAMP 8,376 ft-5,772 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
42-317-42465 DARK STAR UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 881'Santa Rosa 930'Yates 2,108'Yates 2,117'Queen 3,208'Queen 3,242'Grayburg 3,467'Grayburg 3,469'San Andres 3,522'San Andres 3,529'Spraberry 6,646'Spraberry 6,647' +6 more
42-317-42468 DARK STAR UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 928'Yates 2,092'Yates 2,119'Queen 3,192'Queen 3,223'Grayburg 3,451'Grayburg 3,463'San Andres 3,513'San Andres 3,515'Spraberry 6,630'Spraberry 6,646'Dean 8,192' +6 more
42-317-42469 DARK STAR UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 865'Santa Rosa 925'Yates 2,092'Yates 2,126'Queen 3,192'Queen 3,204'Grayburg 3,451'Grayburg 3,475'San Andres 3,513'San Andres 3,524'Spraberry 6,630'Spraberry 6,642' +6 more
42-317-42466 DARK STAR UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 883'Santa Rosa 917'Yates 2,109'Yates 2,110'Queen 3,210'Queen 3,243'Grayburg 3,469'Grayburg 3,474'San Andres 3,523'San Andres 3,531'Spraberry 6,633'Spraberry 6,648' +6 more
42-317-42463 DARK STAR UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 883'Santa Rosa 924'Yates 2,110'Yates 2,117'Queen 3,210'Queen 3,233'Grayburg 3,469'Grayburg 3,474'San Andres 3,524'San Andres 3,531'Spraberry 6,648'Spraberry 6,654' +6 more
42-317-42462 DARK STAR UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 933'Yates 2,117'Queen 3,217'Queen 3,233'Grayburg 3,475'Grayburg 3,476'San Andres 3,530'San Andres 3,538'Spraberry 6,646'Spraberry 6,655'Dean 8,217'Dean 8,233' +6 more
42-317-42495 DARK STAR UNIT 1 & 2 ALLOCATION · XTO ENERGY INC.
0.1 mi
Santa Rosa 853'Santa Rosa 862'Yates 2,089'Yates 2,112'Queen 3,189'Queen 3,221'Grayburg 3,448'Grayburg 3,460'San Andres 3,510'San Andres 3,520'Spraberry 6,626'Spraberry 6,627' +6 more
42-317-42494 DARK STAR UNIT 1 & 2 ALLOCATION · XTO ENERGY INC.
0.1 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
9,314–19,671 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"1,105 ft610 sx
8.625"7,872 ft1,453 sx
5.5"19,789 ft2,285 sx

Permit History (1)

Applications (1)

#855528 A XTO ENERGY INC.
received 2019-07-25

Records & Logs

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

W-2/G-1 2021-06-24 log on file
W-2/G-1 2020-06-09 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 32.271193
Lon -101.770755

Well Details

Well Number
2114AH
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-05-24

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