← Wells

42-297-35791

Horizontal

THREE SISTERS 01

LIVE OAK County · District 2 · PIONEER NATURAL RES. USA, INC.

Permits

3

Max Depth

25,000 ft

First Permit

2015-09-23

Latest Activity

2018-07-30

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Formation Tops

No tops on file for this well. Formation tops come from W-2/G-1 completion filings — this well has none yet, which is normal for permits that were never drilled, dry holes plugged without a filing, or wells completed before digital records. The nearest completed wells below show what to expect at this location.

Check this well's filings at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported — this well has no filings of its own yet.

Cross-section
✓ 42-297-35785 THREE SISTERS 01 · PIONEER NATURAL RES. USA, INC.
0.2 mi
HOCKLEY - DISPOSAL 548'Jackson 1,263'Cook Mountain 2,654'Queen City 3,588'Wilcox 5,107'Austin Chalk 12,397'Eagle Ford 12,568'Frio —Edwards —Sligo —
✓ 42-297-36122 THREE SISTERS 01 · ENSIGN OPERATING LLC
0.2 mi
Wilcox 4,951'Austin Chalk 12,563'Eagle Ford 12,596'Frio —HOCKLEY - DISPOSAL —Jackson —Sligo —Cook Mountain —Edwards —Queen City —
✓ 42-297-35824 THREE SISTERS 01 · PIONEER NATURAL RES. USA, INC.
0.2 mi
HOCKLEY - DISPOSAL 560'Jackson 1,261'Jackson 1,262'Cook Mountain 2,639'Cook Mountain 2,640'Queen City 3,549'Queen City 3,550'Wilcox 5,136'Wilcox 5,137'Austin Chalk 12,428'Austin Chalk 12,429'Eagle Ford 12,559' +4 more
✓ 42-297-36123 THREE SISTERS 01 · ENSIGN OPERATING LLC
0.2 mi
Wilcox 4,951'Austin Chalk 12,568'Eagle Ford 12,598'Cook Mountain —Edwards —Frio —Queen City —HOCKLEY - DISPOSAL —Jackson —Sligo —
✓ 42-297-35934 THREE SISTERS 01 · PIONEER NATURAL RES. USA, INC.
0.2 mi
HOCKLEY - DISPOSAL 559'Jackson 1,260'Cook Mountain 2,619'Queen City 3,559'Wilcox 5,108'Austin Chalk 12,428'Eagle Ford 12,550'Sligo —Edwards —Frio —
✓ 42-297-36124 THREE SISTERS 01 · ENSIGN OPERATING LLC
0.2 mi
Wilcox 4,951'Austin Chalk 12,567'Eagle Ford 12,593'HOCKLEY - DISPOSAL —Jackson —Sligo —Cook Mountain —Edwards —Frio —Queen City —
✓ 42-297-36279 THREE SISTERS 01 · ENSIGN OPERATING LLC
0.6 mi
Queen City 4,839'Wilcox 5,239'Austin Chalk 12,675'Eagle Ford 12,716'HOCKLEY - DISPOSAL —Frio —Edwards —Jackson —Sligo —Cook Mountain —
✓ 42-297-36278 THREE SISTERS 01 · ENSIGN OPERATING LLC
0.6 mi
Queen City 4,839'Wilcox 5,239'Austin Chalk 12,672'Eagle Ford 12,704'HOCKLEY - DISPOSAL —Frio —Edwards —Jackson —Sligo —Cook Mountain —

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).

Permit History (3)

#840212 Drill

THREE SISTERS 01 · 25,000 ft

2018-07-30

#810541 Drill

THREE SISTERS 01 · 21,000 ft

2015-09-23

#810541 Drill

THREE SISTERS 01 · 25,000 ft

2015-09-23

Applications (3)

#840212 A PIONEER NATURAL RES. USA, INC.
received 2018-05-17
#810541 A PIONEER NATURAL RES. USA, INC.
received 2015-12-01
#810541 A PIONEER NATURAL RES. USA, INC.
received 2015-09-22

Records & Logs

No W-2/G-1 filings on record in the RRC wellbore file for this well.

Completion packets + logs ↗ Wellbore filings ↗

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.

Google Maps → Explorer Map →
Lat 28.542951
Lon -98.246806

Well Details

Well Number
50H
Max Depth
25,000 ft
Drill Type
Horizontal
County
LIVE OAK
District
2
Operator
PIONEER NATURAL RES. USA, INC.

Operator

Location
Y SPRING
P-5 Status
Active (filed 2025-08-01)
Cum Oil (all leases)
1,771,882,421 bbl
Cum Gas (all leases)
1,763,727,021 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
15,399