42-461-40791

INJECTION

PEGASUS SPRABERRY UNIT

UPTON County · District 7 · COG OPERATING LLC · PEGASUS (ELLENBURGER)

Permits

2

Max Depth

15,500 ft

First Permit

2018-03-16

Latest Activity

2018-03-16

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-11-25

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-11

Last Production

2026-07

H-1 Injection Active UIC #000116371 permitted 2018-06-06

Permitted Volume

30,000 bbl/d

Max Pressure

6,550 psi

Injection Interval

13,100–14,600 ft

Injected (12mo)

2,588,064 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-08-01)

Seismicity: 2 earthquakes M2+ within 10 km in the last 24 months (max M2.0) · TexNet catalog

Lease Production

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

Formation Tops (9) Elevation 2,849 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,692 ft+157 ft
GRAYBURG 4,722 ft-1,873 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,776 ft-1,927 ft
SPRABERRY 7,673 ft-4,824 ft
WOLFCAMP 9,614 ft-6,765 ft
STRAWN 10,335 ft-7,486 ft
DEVONIAN 11,624 ft-8,775 ft
FUSSELMAN 12,354 ft-9,505 ft
ELLENBURGER 13,064 ft-10,215 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
42-461-41712 HALL POWELL P4 · COG OPERATING LLC
0.4 mi
Yates 2,687'Yates 2,693'Grayburg 3,193'Grayburg 4,048'San Andres 4,776'San Andres 4,784'Spraberry 7,684'Spraberry 7,696'Wolfcamp Devonian Fusselman Strawn +1 more
42-461-41706 PEGASUS SPRABERRY UNIT · COG OPERATING LLC
0.4 mi
Yates 2,688'Yates 2,693'Grayburg 3,193'Grayburg 4,047'San Andres 4,775'San Andres 4,784'Spraberry 7,686'Spraberry 7,696'Strawn Fusselman Ellenburger Devonian +1 more
42-461-41713 HALL POWELL P3 · COG OPERATING LLC
0.4 mi
Yates 2,688'Yates 2,693'Grayburg 3,193'Grayburg 4,045'San Andres 4,774'San Andres 4,784'Spraberry 7,688'Spraberry 7,696'Strawn Ellenburger Devonian Wolfcamp +1 more
42-461-41707 PEGASUS SPRABERRY UNIT · COG OPERATING LLC
0.5 mi
Yates 2,695'Yates 2,700'Grayburg 3,200'Grayburg 4,060'San Andres 4,775'San Andres 4,782'Spraberry 7,694'Spraberry 7,696'Wolfcamp Devonian Fusselman Strawn +1 more
42-461-41714 HALL POWELL P2 · COG OPERATING LLC
0.5 mi
Yates 2,695'Yates 2,700'Grayburg 3,200'Grayburg 4,067'San Andres 4,775'San Andres 4,782'Spraberry 7,694'Spraberry 7,696'Strawn Fusselman Ellenburger Devonian +1 more
42-461-41716 HALL POWELL P1 · COG OPERATING LLC
0.5 mi
Yates 2,696'Yates 2,700'Grayburg 3,200'Grayburg 4,075'San Andres 4,774'San Andres 4,782'Spraberry 7,606'Spraberry 7,695'Strawn Ellenburger Devonian Wolfcamp +1 more
42-461-41708 PEGASUS SPRABERRY UNIT · COG OPERATING LLC
0.5 mi
Yates 2,696'Yates 2,700'Grayburg 3,200'Grayburg 4,078'San Andres 4,774'San Andres 4,782'Spraberry 7,695'Spraberry 7,696'Fusselman Ellenburger Devonian Wolfcamp +1 more
42-461-40766 HALL-POWELL · COG OPERATING LLC
0.7 mi
Yates 2,691'Grayburg 4,721'San Andres 4,775'Spraberry 7,672'Wolfcamp 9,613'Strawn 10,334'Devonian 11,623'Fusselman 12,353'Ellenburger 13,064'

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
13,133–14,213 ftOpen hole

Casing (2)

SizeSet DepthCement
13.375"1,765 ft1,450 sx
9.625"9,505 ft960 sx

Permit History (2)

Applications (2)

#837606 A COG OPERATING LLC
received 2018-05-10
#837606 A COG OPERATING LLC
received 2018-03-16

Records & Logs

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

W-2/G-1 2019-03-12 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 31.606855
Lon -102.117666

Well Details

Well Number
5708D
Max Depth
15,500 ft
Drill Type
Vertical
County
UPTON
District
7
Completed
2018-11-25

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