← Wells

42-475-37090

Final Completion Horizontal

STEEL UNIT

WARD County · District 8 · COG OPERATING LLC · WOLFBONE (TREND AREA)

Permits

2

Max Depth

11,200 ft

First Permit

2016-05-13

Latest Activity

2021-02-22

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2016-08-24

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: COG OPERATING LLC ≠ Production: U.S. ENERGY DEVELOPMENT CORP (reported 2026-04)

Resolved via: production → U.S. ENERGY DEVELOPMENT CORP

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2016-08

Last Production

2026-07

Operator History

Chain of Custody

COG OPERATING LLC 2016-2025→ U.S. ENERGY DEVELOPMENT CORP 2025-2026

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (10) Elevation 2,576 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,700 ft+876 ft
YATES 2,000 ft+576 ft
SEVEN RIVERS 2,375 ft+201 ft
QUEEN 3,200 ft-624 ft
GLORIETA 4,000 ft-1,424 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,500 ft-1,924 ft
HOLT 4,800 ft-2,224 ft
DELAWARE 4,893 ft-2,317 ft
CLEARFORK (Clear Fork)5,000 ft-2,424 ft
TUBB 5,300 ft-2,724 ft

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
✓ 42-475-38380 MIPA NO SLEEP 8253 · COG OPERATING LLC
0.2 mi
Rustler 1,362'Delaware 4,882'Queen —Holt —San Andres —Clear Fork —Capitan —Yates —Seven Rivers —Glorieta —
✓ 42-475-38401 MIPA NO SLEEP 8202 · COG OPERATING LLC
0.2 mi
Rustler 1,358'Delaware 4,893'Queen —Holt —San Andres —Glorieta —Yates —Seven Rivers —Clear Fork —Capitan —
✓ 42-475-38402 MIPA NO SLEEP 8252 · COG OPERATING LLC
0.2 mi
Rustler 1,359'Delaware 4,895'Seven Rivers —Glorieta —Queen —Holt —Clear Fork —Capitan —Yates —San Andres —
✓ 42-475-38403 MIPA NO SLEEP 8201 · COG OPERATING LLC
0.2 mi
Rustler 1,359'Delaware 4,903'Queen —Holt —Clear Fork —Capitan —Yates —Seven Rivers —San Andres —Glorieta —
✓ 42-475-37410 FUNKY BOSS C · COG OPERATING LLC
0.9 mi
Rustler 882'San Andres 2,000'Yates 2,000'Queen 2,200'Seven Rivers 2,375'Glorieta 3,900'Clear Fork 4,500'Tubb 4,600'Holt 4,600'Delaware 4,955'
✓ 42-475-37409 FUNKY BOSS B · COG OPERATING LLC
0.9 mi
Rustler 881'Yates 2,000'San Andres 2,000'Queen 2,200'Seven Rivers 2,375'Glorieta 3,900'Clear Fork 4,500'Tubb 4,600'Holt 4,600'Delaware 4,954'
✓ 42-475-37967 MARTHA 34-182 C · JETTA OPERATING COMPANY, INC.
1.0 mi
Delaware 4,837'Glorieta —Queen —Rustler —Holt —Clear Fork —Tubb —San Andres —Yates —Seven Rivers —
✓ 42-475-35657 HUMANE SOCIETY 34-187 · ANADARKO PETROLEUM CORPORATION
1.0 mi
Bone Spring 9,148'Bone Spring 9,148'Bone Spring 9,718'Bone Spring 9,718'Bone Spring 10,537'Bone Spring 10,537'

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
11,576–16,399 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"2,355 ft2,530 sx
9.625"10,364 ft1,120 sx
5.5"16,530 ft2,640 sx

Permit History (2)

#866908 Field Transfer Final Completion

STEEL UNIT · 10,997 ft

2021-02-22

#815063 Drill Final Completion

STEEL UNIT · 11,200 ft

2016-05-13

Spud 2016-06-12

Applications (2)

#866908 A COG OPERATING LLC
received 2021-01-07
#815063 A COG OPERATING LLC
received 2016-04-14

Records & Logs

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

W-2/G-1 2021-02-23
W-2/G-1 2016-10-24 log on file
W-2/G-1 2016-10-24 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 31.481136
Lon -103.381650

Well Details

Well Number
8206H
Max Depth
11,200 ft
Drill Type
Horizontal
County
WARD
District
8
Operator
COG OPERATING LLC
Completed
2016-08-24

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-06-02)
Cum Oil (all leases)
645,285,792 bbl
Cum Gas (all leases)
305,183,488 mcf
Activities
OPRS/G, OPRS/O
Total Permits
4,538