42-317-42476

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

2021-07-02

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 2,592 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 758 ft+1,834 ft
SANTA ROSA 834 ft+1,758 ft
YATES 2,061 ft+531 ft
YATES 2,081 ft+511 ft
QUEEN 3,161 ft-569 ft
QUEEN 3,189 ft-597 ft
GRAYBURG 3,420 ft-828 ft
GRAYBURG 3,446 ft-854 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,482 ft-890 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,497 ft-905 ft
SPRABERRY 6,599 ft-4,007 ft
SPRABERRY 6,600 ft-4,008 ft
DEAN 8,146 ft-5,554 ft
DEAN 8,161 ft-5,569 ft
WOLFCAMP 8,344 ft-5,752 ft
WOLFCAMP 8,345 ft-5,753 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
42-317-42481 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 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.
0.0 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
42-317-42479 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 mi
Santa Rosa 849'Queen Spraberry Pennsylvanian Wolfcamp Cisco Grayburg Yates Dean San Andres
42-317-42477 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 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
42-317-42478 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 mi
Santa Rosa 772'Santa Rosa 827'Yates 2,054'Yates 2,078'Queen 3,154'Queen 3,177'Grayburg 3,413'Grayburg 3,443'San Andres 3,475'San Andres 3,494'Spraberry 6,592'Spraberry 6,603' +6 more
42-317-42482 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 mi
Santa Rosa 849'Santa Rosa 881'Yates 2,076'Yates 2,087'Queen 3,176'Queen 3,207'Grayburg 3,435'Grayburg 3,451'San Andres 3,497'San Andres 3,514'Spraberry 6,612'Spraberry 6,614' +6 more
42-317-42473 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 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
42-317-42483 DARK STAR UNIT 2 · XTO ENERGY INC.
0.1 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

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
9,114–19,486 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,120 ft910 sx
9.625"7,770 ft2,180 sx
5.5"19,608 ft2,933 sx

Permit History (1)

Applications (1)

#855611 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 2020-07-24 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 32.272357
Lon -101.764018

Well Details

Well Number
2117AH
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-07-02

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