42-329-43185

SHUT IN Horizontal

TXL 21 UNIT 1

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

Permits

2

Max Depth

8,870 ft

First Permit

2019-03-05

Latest Activity

2019-03-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-02-20

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-07

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 (19) Elevation 2,745 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 805 ft+1,940 ft
YATES 2,688 ft+57 ft
YATES 2,711 ft+34 ft
SEVEN RIVERS 3,035 ft-290 ft
SEVEN RIVERS 3,058 ft-313 ft
QUEEN 3,686 ft-941 ft
QUEEN 3,848 ft-1,103 ft
GRAYBURG 4,359 ft-1,614 ft
GRAYBURG 4,386 ft-1,641 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,544 ft-1,799 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,566 ft-1,821 ft
GLORIETA 5,071 ft-2,326 ft
GLORIETA 5,163 ft-2,418 ft
CLEARFORK (Clear Fork)6,776 ft-4,031 ft
CLEARFORK (Clear Fork)6,779 ft-4,034 ft
SPRABERRY 7,293 ft-4,548 ft
SPRABERRY 7,656 ft-4,911 ft
SPRABERRY UPPER-DEAN (Spraberry)
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
42-329-43183 TXL 21 UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 805'Santa Rosa 824'Yates 2,676'Yates 2,709'Seven Rivers 3,038'Seven Rivers 3,056'Queen 3,688'Queen 3,846'Grayburg 4,356'Grayburg 4,384'San Andres 4,556'San Andres 4,564' +7 more
42-329-43186 TXL 21 UNIT 1 · XTO ENERGY INC.
0.0 mi
Santa Rosa 796'Santa Rosa 812'Yates 2,686'Yates 2,697'Seven Rivers 3,044'Seven Rivers 3,046'Queen 3,699'Queen 3,834'Grayburg 4,368'Grayburg 4,372'San Andres 4,562'Glorieta 5,087' +8 more
42-329-43177 TXL 21 UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 885'Yates 2,695'Seven Rivers 3,042'Queen 3,697'Grayburg 4,353'San Andres 4,537'Glorieta 5,171'Clear Fork 6,788'Spraberry 7,299'Spraberry 9,012'
42-329-43176 TXL 21 UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 882'Yates 2,696'Seven Rivers 3,041'Queen 3,694'Grayburg 4,362'San Andres 4,542'Glorieta 5,164'Clear Fork 6,793'Spraberry 7,299'Spraberry 9,027'
42-329-43175 TXL 21 UNIT 1 · XTO ENERGY INC.
0.1 mi
Santa Rosa 847'Santa Rosa 884'Yates 2,695'Yates 2,732'Seven Rivers 3,041'Seven Rivers 3,079'Queen 3,697'Queen 3,869'Grayburg 4,361'Grayburg 4,407'San Andres 4,539'San Andres 4,587' +8 more
42-329-43187 TXL 21 UNIT 1 · XTO ENERGY INC.
0.2 mi
Santa Rosa 815'Yates 2,693'Seven Rivers 3,039'Queen 3,691'Grayburg 4,357'San Andres 4,550'Glorieta 5,079'Clear Fork 6,790'Spraberry 7,304'Spraberry 9,038'
42-329-43188 TXL 21 UNIT 1 · XTO ENERGY INC.
0.2 mi
Santa Rosa 817'Santa Rosa 832'Yates 2,693'Yates 2,717'Seven Rivers 3,036'Seven Rivers 3,064'Queen 3,688'Queen 3,854'Grayburg 4,366'Grayburg 4,392'San Andres 4,560'San Andres 4,572' +8 more
42-329-43189 TXL 21 UNIT 1 · XTO ENERGY INC.
0.2 mi
Santa Rosa 817'Yates 2,686'Seven Rivers 3,028'Queen 3,685'Grayburg 4,359'San Andres 4,545'Glorieta 5,079'Clear Fork 6,784'Spraberry 7,300'Spraberry

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
9,604–19,988 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,034 ft910 sx
9.625"8,003 ft2,820 sx
5.5"20,125 ft2,270 sx

Permit History (2)

Applications (2)

#850520 A XTO ENERGY INC.
received 2020-04-27
#850520 A XTO ENERGY INC.
received 2019-02-28

Records & Logs

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

W-2/G-1 2020-05-01 log on file
W-2/G-1 2020-01-07 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 31.694240
Lon -102.017489

Well Details

Well Number
1643SH
Max Depth
8,870 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-02-20

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