42-317-42459

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

2021-05-09

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 2,610 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 903 ft+1,707 ft
SANTA ROSA 925 ft+1,685 ft
YATES 2,130 ft+480 ft
YATES 2,134 ft+476 ft
QUEEN 3,230 ft-620 ft
QUEEN 3,238 ft-628 ft
GRAYBURG 3,487 ft-877 ft
GRAYBURG 3,489 ft-879 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,551 ft-941 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,556 ft-946 ft
SPRABERRY 6,662 ft-4,052 ft
SPRABERRY 6,668 ft-4,058 ft
DEAN 8,230 ft-5,620 ft
WOLFCAMP 8,413 ft-5,803 ft
CISCO
DEAN
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
42-317-42460 DARK STAR UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 893'Santa Rosa 942'Yates 2,103'Yates 2,120'Queen 3,220'Queen 3,250'Grayburg 3,479'Grayburg 3,487'San Andres 3,541'San Andres 3,550'Spraberry 6,648'Spraberry 6,658' +6 more
42-317-42458 DARK STAR UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 903'Santa Rosa 921'Yates 2,130'Queen 3,230'Queen 3,243'Grayburg 3,486'Grayburg 3,489'San Andres 3,542'San Andres 3,551'Spraberry 6,658'Spraberry 6,668'Dean 8,230' +5 more
42-317-42461 DARK STAR UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 893'Santa Rosa 934'Yates 2,120'Yates 2,127'Queen 3,220'Queen 3,238'Grayburg 3,478'Grayburg 3,479'San Andres 3,541'San Andres 3,544'Spraberry 6,646'Spraberry 6,658' +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
42-317-42463 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
42-317-42466 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
42-317-42457 DARK STAR UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 906'Santa Rosa 934'Yates 2,127'Yates 2,133'Queen 3,233'Queen 3,265'Grayburg 3,492'Grayburg 3,512'San Andres 3,554'San Andres 3,568'Spraberry 6,671'Dean 8,233' +4 more
42-317-42454 DARK STAR UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 911'Santa Rosa 977'Yates 2,138'Yates 2,158'Queen 3,238'Queen 3,262'Grayburg 3,497'Grayburg 3,513'San Andres 3,559'San Andres 3,580'Spraberry 6,676'Spraberry 6,679' +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
8,236–18,640 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,141 ft960 sx
9.625"6,750 ft2,120 sx
5.5"18,732 ft2,230 sx

Permit History (1)

Applications (1)

#855511 A XTO ENERGY INC.
received 2019-07-24

Records & Logs

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

W-2/G-1 2021-06-10 log on file
W-2/G-1 2020-08-06 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 32.269485
Lon -101.772779

Well Details

Well Number
2172JH
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-05-09

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