42-317-42473

SHUT IN Horizontal

DARK STAR UNIT 2

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

Permits

2

Max Depth

10,000 ft

First Permit

2019-08-22

Latest Activity

2019-08-22

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-08-12

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 (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 764 ft+1,823 ft
SANTA ROSA 820 ft+1,767 ft
YATES 2,047 ft+540 ft
YATES 2,064 ft+523 ft
QUEEN 3,147 ft-560 ft
QUEEN 3,172 ft-585 ft
GRAYBURG 3,406 ft-819 ft
GRAYBURG 3,424 ft-837 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,468 ft-881 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,471 ft-884 ft
SPRABERRY 6,585 ft-3,998 ft
SPRABERRY 6,603 ft-4,016 ft
DEAN 8,147 ft-5,560 ft
WOLFCAMP 8,330 ft-5,743 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
42-317-42478 DARK STAR UNIT 2 · XTO ENERGY INC.
0.0 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
42-317-42474 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
42-317-42477 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
42-317-42476 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.
0.1 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
8,139–18,548 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,057 ft910 sx
9.625"5,561 ft2,110 sx
5.5"18,636 ft2,210 sx

Permit History (2)

Applications (2)

#855600 A XTO ENERGY INC.
received 2021-09-20
#855600 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 2021-10-04 log on file
W-2/G-1 2020-08-17 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 32.271450
Lon -101.762394

Well Details

Well Number
2177JH
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-08-12

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