42-173-37902

PRODUCING Horizontal

BLALOCK 1309

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

Permits

2

Max Depth

8,640 ft

First Permit

2018-05-21

Latest Activity

2018-05-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-11-29

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-11

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 (10) Elevation 2,569 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 719 ft+1,850 ft
YATES 2,084 ft+485 ft
SEVEN RIVERS 2,366 ft+203 ft
QUEEN 2,944 ft-375 ft
GRAYBURG 3,557 ft-988 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,612 ft-1,043 ft
GLORIETA 4,434 ft-1,865 ft
CLEARFORK (Clear Fork)5,467 ft-2,898 ft
SPRABERRY 6,597 ft-4,028 ft
WICHITA ALBANY (Wichita-Albany)

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
42-173-37888 BLALOCK 1329 · XTO ENERGY INC.
0.0 mi
Santa Rosa 747'Yates 2,112'Seven Rivers 2,394'Queen 2,972'Grayburg 3,585'San Andres 3,640'Glorieta 4,462'Clear Fork 5,495'Spraberry 6,625'Wichita-Albany
42-173-37891 BLALOCK 1319 · XTO ENERGY INC.
0.0 mi
Santa Rosa 748'Yates 2,113'Seven Rivers 2,395'Queen 2,973'Grayburg 3,586'San Andres 3,641'Glorieta 4,463'Clear Fork 5,496'Spraberry 6,626'Wichita-Albany
42-173-38524 BLALOCK 1323 · XTO ENERGY INC.
0.3 mi
Santa Rosa 673'Santa Rosa 747'Rustler 1,242'Rustler 1,312'Yates 2,052'Yates 2,083'Seven Rivers 2,215'Seven Rivers 2,253'Queen 2,913'Queen 2,924'Grayburg 3,341'Grayburg 3,552' +8 more
42-173-38532 BLALOCK 1382 · XTO ENERGY INC.
0.7 mi
Santa Rosa 699'Santa Rosa 747'Rustler 1,237'Rustler 1,338'Yates 2,078'Yates 2,091'Seven Rivers 2,225'Seven Rivers 2,279'Queen 2,939'Queen 2,978'Grayburg 3,355'Grayburg 3,578' +8 more
42-173-38531 BLALOCK 1382 · XTO ENERGY INC.
0.7 mi
Santa Rosa 699'Santa Rosa 747'Rustler 1,234'Rustler 1,338'Yates 2,078'Yates 2,094'Seven Rivers 2,229'Seven Rivers 2,279'Queen 2,939'Queen 2,973'Grayburg 3,339'Grayburg 3,578' +8 more
42-173-38530 BLALOCK 1322 · XTO ENERGY INC.
0.7 mi
Santa Rosa 705'Santa Rosa 747'Rustler 1,254'Rustler 1,344'Yates 2,084'Yates 2,091'Seven Rivers 2,226'Seven Rivers 2,285'Queen 2,945'Queen 2,986'Grayburg 3,347'Grayburg 3,584' +8 more
42-173-38535 BLALOCK 1311 · XTO ENERGY INC.
0.8 mi
Santa Rosa 706'Rustler 1,345'Yates 2,085'Seven Rivers 2,286'Queen 2,946'Queen 2,981'Grayburg 3,352'Grayburg 3,585'San Andres 3,608'San Andres 3,622'Glorieta 4,445'Glorieta 4,474' +8 more
42-173-38534 BLALOCK 1321 · XTO ENERGY INC.
0.8 mi
Santa Rosa 747'Rustler 1,253'Yates 2,083'Seven Rivers 2,220'Queen 2,978'Grayburg 3,346'San Andres 3,605'Glorieta 4,491'Clear Fork 5,194'Clear Fork 5,259'Spraberry 6,268'Spraberry 7,195' +8 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
9,623–19,826 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"752 ft720 sx
9.625"7,725 ft2,250 sx
5.5"19,956 ft2,388 sx

Permit History (2)

Applications (2)

#840271 A XTO ENERGY INC.
received 2019-07-15
#840271 A XTO ENERGY INC.
received 2018-05-21

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2019-01-10 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 31.944970
Lon -101.710560

Well Details

Well Number
1309BH
Max Depth
8,640 ft
Drill Type
Horizontal
County
GLASSCOCK
District
8
Completed
2018-11-29

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