42-317-42465

SHUT IN 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

2021-05-22

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 2,603 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 881 ft+1,722 ft
SANTA ROSA 930 ft+1,673 ft
YATES 2,108 ft+495 ft
YATES 2,117 ft+486 ft
QUEEN 3,208 ft-605 ft
QUEEN 3,242 ft-639 ft
GRAYBURG 3,467 ft-864 ft
GRAYBURG 3,469 ft-866 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,522 ft-919 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,529 ft-926 ft
SPRABERRY 6,646 ft-4,043 ft
SPRABERRY 6,647 ft-4,044 ft
DEAN 8,206 ft-5,603 ft
DEAN 8,208 ft-5,605 ft
WOLFCAMP 8,391 ft-5,788 ft
WOLFCAMP 8,464 ft-5,861 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
42-317-42467 DARK STAR UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 865'Santa Rosa 930'Yates 2,092'Yates 2,118'Queen 3,192'Queen 3,223'Grayburg 3,451'Grayburg 3,469'San Andres 3,513'San Andres 3,530'Spraberry 6,630'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
9,810–20,208 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"1,154 ft610 sx
8.625"8,082 ft1,439 sx
5.5"20,318 ft2,342 sx

Permit History (1)

Applications (1)

#855524 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 2020-07-16 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 32.271172
Lon -101.770848

Well Details

Well Number
2103BH
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-05-22

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