42-135-43671

PRODUCING Horizontal

RATLIFF A 28 EAST HZ UNIT

ECTOR County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)

Permits

1

Max Depth

10,500 ft

First Permit

2019-03-05

Latest Activity

2019-03-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-09-23

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-09

Last Production

2026-07

Lease Production

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

Formation Tops (10) Elevation 2,942 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA BASE (Santa Rosa)1,073 ft+1,869 ft
YATES 3,101 ft-159 ft
SEVEN RIVERS 3,329 ft-387 ft
QUEEN 3,982 ft-1,040 ft
GRAYBURG 4,405 ft-1,463 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,090 ft-2,148 ft
GLORIETA 5,587 ft-2,645 ft
HOLT 5,601 ft-2,659 ft
TUBB 6,102 ft-3,160 ft
CLEARFORK (Clear Fork)7,385 ft-4,443 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
42-135-43670 RATLIFF A 28 EAST HZ UNIT · COG OPERATING LLC
0.0 mi
Santa Rosa 1,065'Yates 3,096'Seven Rivers 3,327'Queen 3,982'Grayburg 4,404'San Andres 5,093'Glorieta 5,572'Holt 5,600'Tubb 6,100'Clear Fork 7,383'
42-135-43744 RATLIFF A 2109AH · COG OPERATING LLC
0.6 mi
Santa Rosa 1,091'Yates 3,094'Seven Rivers 3,435'Queen 3,971'Grayburg 4,399'San Andres 5,027'Glorieta 5,528'Clear Fork 7,328'Spraberry 8,210'Holt
42-135-43945 RATLIFF JGA1 · COG OPERATING LLC
1.1 mi
Santa Rosa 1,413'Yates 3,466'Seven Rivers 4,436'Queen 5,173'Grayburg 5,203'San Andres 5,403'Holt 7,003'Glorieta 7,503'Clear Fork 7,603'Spraberry 8,395'
42-135-43833 WHITTENBURG · EARTHSTONE OPERATING, LLC
1.2 mi
Santa Rosa 1,389'Yates 3,114'Seven Rivers 3,471'Queen 4,201'Grayburg 4,885'San Andres 4,885'Glorieta 6,255'Clear Fork 7,464'Spraberry 8,363'Wolfcamp Wichita-Albany Strawn +8 more
42-135-43831 WHITTENBURG · EARTHSTONE OPERATING, LLC
1.2 mi
Santa Rosa 1,392'Rustler 1,954'Yates 3,109'Seven Rivers 3,467'Queen 4,204'Grayburg 4,894'San Andres 4,894'Glorieta 6,247'Clear Fork 7,464'Holt
42-135-43836 WHITTENBURG · EARTHSTONE OPERATING, LLC
1.2 mi
Santa Rosa 1,392'Santa Rosa 1,800'Yates 3,135'Seven Rivers 3,376'Queen 3,800'Grayburg 4,100'San Andres 4,440'San Andres 4,440'Glorieta 6,210'Clear Fork 7,459'Clear Fork 7,550'Spraberry 8,213' +9 more
42-135-43832 WHITTENBURG · EARTHSTONE OPERATING, LLC
1.2 mi
Santa Rosa 1,385'Yates 3,113'Seven Rivers 3,463'Queen 4,204'Grayburg 4,882'San Andres 4,882'Glorieta 6,254'Clear Fork 7,465'Spraberry 9,427'Canyon McKee PRECAMBRIAN (UNDIFFERENTIATED) +7 more
42-135-43834 WHITTENBURG · EARTHSTONE OPERATING, LLC
1.2 mi
Santa Rosa 1,392'Santa Rosa 1,800'Yates 3,135'Seven Rivers 3,376'Queen 3,800'Grayburg 4,100'San Andres 4,440'San Andres 4,440'Glorieta 6,210'Clear Fork 7,550'Spraberry 8,212'Tubb +8 more

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
9,578–22,840 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,747 ft1,500 sx
9.625"8,714 ft2,800 sx
5.5"22,982 ft2,950 sx

Permit History (1)

Applications (1)

#850168 A COG OPERATING LLC
received 2019-02-19

Records & Logs

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

W-2/G-1 2020-02-21 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 31.990697
Lon -102.314245

Well Details

Well Number
2802AH
Max Depth
10,500 ft
Drill Type
Horizontal
County
ECTOR
District
8
Completed
2019-09-23

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