← Wells

42-389-36848

PRODUCING Horizontal

DARLINGTON UNIT 11B4

REEVES County · District 8 · VTX ENERGY OPERATING LLC · WOLFBONE (TREND AREA)

Permits

1

Max Depth

13,000 ft

First Permit

2018-04-18

Latest Activity

2018-04-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-02-14

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: VTX ENERGY OPERATING LLC ≠ Permit: PRI OPERATING, LLC

Resolved via: production → VTX ENERGY OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2018-09

Last Production

2026-07

Operator History

Chain of Custody

PRI OPERATING, LLC 2018-2023→ VTX ENERGY OPERATING, LLC 2023-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →

Formation Tops (10) Elevation 2,699 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BELL CANYON 5,060 ft-2,361 ft
DELAWARE 5,060 ft-2,361 ft
CHERRY CANYON 5,950 ft-3,251 ft
BONE SPRINGS (Bone Spring)8,130 ft-5,431 ft
WOLFCAMP 10,520 ft-7,821 ft
CASTILLE (Castile)——
DELAWARE CONSOLIDATED GAS (Delaware)——
FORD-DELAWARE (Delaware)——
PENNSYLVANIAN ——
PERMIAN (Permian (undifferentiated))——

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
✓ 42-389-36849 DARLINGTON UNIT 11B5 · PRI OPERATING, LLC
0.0 mi
Delaware 5,061'Bell Canyon 5,061'Cherry Canyon 5,952'Bone Spring 8,106'Wolfcamp 10,513'Mississippian —Fusselman —Ellenburger —Devonian —Pennsylvanian —Castile —Delaware — +2 more
✓ 42-389-34689 DARLINGTON UNIT 11B · PATRIOT RESOURCES, INC.
0.3 mi
Delaware 5,062'Bell Canyon 5,062'Cherry Canyon 5,990'Bone Spring 8,107'Wolfcamp 10,507'Delaware —Delaware —Permian (undifferentiated) —Pennsylvanian —Castile —
✓ 42-389-38429 DARLINGTON UNIT 11A · VTX ENERGY OPERATING, LLC
0.3 mi
Bell Canyon 5,061'Delaware 5,061'Cherry Canyon 5,952'Bone Spring 8,272'Pennsylvanian —Delaware —Delaware —Wolfcamp —Castile —Permian (undifferentiated) —
✓ 42-389-36571 DARLINGTON UNIT 11A · PRI OPERATING, LLC
0.4 mi
Bell Canyon 5,074'Delaware 5,074'Bone Spring 8,105'Wolfcamp 10,556'Delaware —Permian (undifferentiated) —Delaware —Cherry Canyon —Pennsylvanian —Castile —
✓ 42-389-36272 WAHA · PARSLEY ENERGY OPERATIONS, LLC
0.4 mi
Lamar 5,060'Bone Spring 8,228'Wolfcamp 10,494'Delaware —Cherry Canyon —Castile —Delaware —Delaware —Permian (undifferentiated) —Bell Canyon —
✓ 42-389-36135 WAHA · PARSLEY ENERGY OPERATIONS, LLC
0.4 mi
Rustler 828'Lamar 5,061'Bone Spring 8,222'Bell Canyon —Delaware —Delaware —Cherry Canyon —Castile —Delaware —Permian (undifferentiated) —
✓ 42-389-41082 RANGER 14-7 64 · VTX ENERGY OPERATING, LLC
0.4 mi
Bell Canyon 5,045'Cherry Canyon 5,920'Bone Spring 8,987'Bone Spring 9,224'Bone Spring 9,665'Delaware —Delaware —Permian (undifferentiated) —Delaware —Castile —
✓ 42-389-41081 RANGER 14-7 31 · VTX ENERGY OPERATING, LLC
0.4 mi
Bell Canyon 5,025'Cherry Canyon 5,900'Bone Spring 8,945'Bone Spring 9,165'Bone Spring 9,702'Delaware —Delaware —Permian (undifferentiated) —Delaware —Castile —

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
11,299–18,962 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,472 ft1,405 sx
9.625"10,176 ft2,161 sx
5.5"18,962 ft3,325 sx

Permit History (1)

#836618 Drill Final Completion

DARLINGTON UNIT 11B4 · 13,000 ft

2018-04-18

Spud 2018-05-30

Applications (1)

#836618 A PRI OPERATING, LLC
received 2018-02-20

Records & Logs

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

W-2/G-1 2019-02-28 log on file
W-2/G-1 2018-10-30 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.

Google Maps → Explorer Map →
Lat 31.289386
Lon -103.241994

Well Details

Well Number
4H
Max Depth
13,000 ft
Drill Type
Horizontal
County
REEVES
District
8
Operator
VTX ENERGY OPERATING LLC
Completed
2019-02-14

Operator

Location
AUSTIN
P-5 Status
Active (filed 2026-06-05)
Cum Oil (all leases)
35,445,239 bbl
Cum Gas (all leases)
9,598,371 mcf
Activities
OPRS/G, OPRS/O
Total Permits
156