42-317-42478

SHUT IN 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

2021-08-09

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 2,587 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 772 ft+1,815 ft
SANTA ROSA 827 ft+1,760 ft
YATES 2,054 ft+533 ft
YATES 2,078 ft+509 ft
QUEEN 3,154 ft-567 ft
QUEEN 3,177 ft-590 ft
GRAYBURG 3,413 ft-826 ft
GRAYBURG 3,443 ft-856 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,475 ft-888 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,494 ft-907 ft
SPRABERRY 6,592 ft-4,005 ft
SPRABERRY 6,603 ft-4,016 ft
DEAN 8,154 ft-5,567 ft
WOLFCAMP 8,337 ft-5,750 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
42-317-42473 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 mi
Santa Rosa 764'Santa Rosa 820'Yates 2,047'Yates 2,064'Queen 3,147'Queen 3,172'Grayburg 3,406'Grayburg 3,424'San Andres 3,468'San Andres 3,471'Spraberry 6,585'Spraberry 6,603' +6 more
42-317-42477 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 mi
Santa Rosa 789'Santa Rosa 827'Yates 2,054'Yates 2,078'Queen 3,154'Queen 3,172'Grayburg 3,413'Grayburg 3,427'San Andres 3,475'San Andres 3,488'Spraberry 6,592'Spraberry 6,602' +6 more
42-317-42474 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 mi
Santa Rosa 730'Santa Rosa 820'Yates 2,047'Yates 2,055'Queen 3,147'Queen 3,180'Grayburg 3,406'Grayburg 3,418'San Andres 3,468'San Andres 3,475'Spraberry 6,585'Spraberry 6,604' +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
42-317-42481 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
42-317-42480 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
42-317-42475 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 mi
Santa Rosa 755'Santa Rosa 815'Yates 2,042'Yates 2,064'Queen 3,142'Queen 3,183'Grayburg 3,401'Grayburg 3,420'San Andres 3,463'San Andres 3,477'Spraberry 6,580'Spraberry 6,602' +7 more
42-317-42470 DARK STAR UNIT 2 · XTO ENERGY INC.
0.2 mi
Santa Rosa 757'Santa Rosa 810'Yates 2,037'Yates 2,065'Queen 3,137'Queen 3,172'Grayburg 3,396'Grayburg 3,412'San Andres 3,458'San Andres 3,469'Spraberry 6,575'Spraberry 6,588' +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
8,382–18,786 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"1,055 ft590 sx
8.625"5,564 ft1,420 sx
5.5"18,878 ft1,640 sx

Permit History (1)

Applications (1)

#855614 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 2021-10-06 log on file
W-2/G-1 2020-07-28 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 32.271430
Lon -101.762487

Well Details

Well Number
2127SH
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-08-09

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