42-389-37170

Final Completion Horizontal

TOYAH EAST 4-9

REEVES County · District 8 · OXY USA WTP LP · WOLFBONE (TREND AREA)

Permits

2

Max Depth

14,000 ft

First Permit

2018-05-23

Latest Activity

2018-05-23

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2018-10-03

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: OXY USA WTP LP ≠ Production: PERMIAN RESOURCES OPERATING, LLC (reported 2026-04)

Resolved via: productionPERMIAN RESOURCES OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-10

Last Production

2026-07

H-1 Injection Active UIC #000125652 permitted 2022-12-15

Permitted Volume

10,000 bbl/d

Max Pressure

3,700 psi

Injection Interval

9,887–10,727 ft

Injected (12mo)

Seismicity: 26 earthquakes M2+ within 10 km in the last 24 months (max M3.0) · TexNet catalog

Lease Production

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

Formation Tops (11) Elevation 2,614 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CASTILLE (Castile)958 ft+1,656 ft
PERMIAN (Permian (undifferentiated))958 ft+1,656 ft
BELL CANYON 4,983 ft-2,369 ft
DELAWARE 4,983 ft-2,369 ft
DELAWARE CONSOLIDATED GAS (Delaware)5,010 ft-2,396 ft
FORD-DELAWARE (Delaware)5,112 ft-2,498 ft
CHERRY CANYON 5,958 ft-3,344 ft
BONE SPRINGS (Bone Spring)8,078 ft-5,464 ft
ELLENBURGER
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
42-389-37169 TOYAH WEST 4-9 · OXY USA WTP LP
0.0 mi
Permian (undifferentiated) 958'Castile 958'Bell Canyon 4,981'Delaware 4,981'Delaware 5,004'Delaware 5,101'Cherry Canyon 5,951'Bone Spring 8,084'Wolfcamp 10,345'Pennsylvanian Wolfcamp
42-389-37172 TOYAH 4-9-7N · OXY USA WTP LP
0.1 mi
Castile 958'Permian (undifferentiated) 958'Delaware 4,985'Bell Canyon 4,985'Delaware 5,025'Delaware 5,097'Cherry Canyon 5,956'Bone Spring 8,070'Wolfcamp 10,494'Fusselman Devonian Pennsylvanian +2 more
42-389-37171 TOYAH 4-9-4N · OXY USA WTP LP
0.2 mi
Castile 958'Permian (undifferentiated) 958'Delaware 4,988'Bell Canyon 4,988'Delaware 5,025'Delaware 5,110'Cherry Canyon 5,952'Bone Spring 8,089'Pennsylvanian Wolfcamp
42-389-36985 TOYAH 4-9-5N · OXY USA WTP LP
0.4 mi
Castile 831'Permian (undifferentiated) 831'Delaware 5,005'Bell Canyon 5,005'Delaware 5,048'Delaware 5,124'Cherry Canyon 5,965'Bone Spring 8,094'Wolfcamp 10,417'Pennsylvanian
42-389-41502 HOLD MY FOSTERS B 10 · GREENLAKE ENERGY OPERATING, LLC
0.8 mi
Bell Canyon 4,994'Cherry Canyon 5,941'Brushy Canyon 7,064'Bone Spring 8,038'Bone Spring 9,675'Delaware Delaware Delaware Castile Permian (undifferentiated)
42-389-41501 HOLD MY FOSTERS 10 · GREENLAKE ENERGY OPERATING, LLC
0.8 mi
Bell Canyon 5,000'Cherry Canyon 5,949'Brushy Canyon 7,075'Bone Spring 8,044'Bone Spring 9,685'Delaware Castile Permian (undifferentiated) Delaware Delaware
42-389-38079 APOLLO 2-11-1N · OXY USA WTP LP
1.6 mi
Castile 1,750'Permian (undifferentiated) 1,750'Bell Canyon 5,057'Delaware 5,057'Delaware 5,111'Cherry Canyon 6,006'Bone Spring 8,125'Pennsylvanian Delaware Wolfcamp
42-389-38081 APOLLO 2-11-2N · OXY USA WTP LP
1.6 mi
Castile 1,750'Permian (undifferentiated) 1,750'Bell Canyon 5,044'Delaware 5,044'Delaware 5,112'Cherry Canyon 5,999'Bone Spring 8,119'Wolfcamp 10,515'Delaware Pennsylvanian

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
10,170–20,474 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,470 ft830 sx
9.625"10,163 ft1,555 sx
5.5"20,657 ft2,605 sx

Permit History (2)

Applications (2)

#840276 A OXY USA WTP LP
received 2019-04-29
#840276 A OXY USA WTP LP
received 2018-05-21

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 2023-09-01
W-2/G-1 2019-01-17 log on file
W-2/G-1 2019-01-17 log on file
W-2/G-1 2019-01-17 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 31.273422
Lon -103.432916

Well Details

Well Number
83NH
Max Depth
14,000 ft
Drill Type
Horizontal
County
REEVES
District
8
Completed
2018-10-03

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-10-16)
Cum Oil (all leases)
329,551,533 bbl
Cum Gas (all leases)
84,981,131 mcf
Activities
CSGD/G, CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
2,273