42-227-39475

PRODUCING Horizontal

GIBSON UNIT A 28-21

HOWARD County · District 8 · APACHE CORPORATION · SPRABERRY (TREND AREA)

Permits

3

Max Depth

8,500 ft

First Permit

2018-02-09

Latest Activity

2018-02-09

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-08-19

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: APACHE CORPORATION ≠ Permit: CALLON PETROLEUM OPERATING CO

Resolved via: productionAPACHE CORPORATION

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-08

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)

CSV
FormationTop Depth (MD)
YATES 2,055 ft
SEVEN RIVERS 2,135 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,330 ft
GLORIETA 4,285 ft
CLEARFORK - SEVERE WATER FLOWS (Clear Fork)5,790 ft
SPRABERRY 6,615 ft
LEONARD 7,531 ft
DEAN 7,814 ft
WOLFCAMP 8,010 ft
COLEMAN JUNCTION

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-227-39508 GIBSON UNIT A-A2 28-21 · CALLON PETROLEUM OPERATING CO
0.0 mi
Yates 2,055'Seven Rivers 2,135'San Andres 3,330'Glorieta 4,285'Clear Fork 5,790'Spraberry 6,615'Leonard 7,535'Dean 7,818'Wolfcamp 8,093'Coleman Junction
42-227-39523 GIBSON UNIT 28-21 · CALLON PETROLEUM OPERATING CO
0.0 mi
Yates 2,055'Seven Rivers 2,135'San Andres 3,330'Glorieta 4,285'Clear Fork 5,790'Spraberry 6,615'Leonard 7,538'Dean 7,828'Wolfcamp 8,028'Coleman Junction
42-227-39975 WRIGHT UNIT 40-33 · CALLON PETROLEUM OPERATING CO
0.3 mi
Yates 2,060'Seven Rivers 2,130'San Andres 3,330'Glorieta 4,275'Clear Fork 5,780'Spraberry 6,565'Leonard 7,540'Dean 7,860'Wolfcamp 8,009'Coleman Junction
42-227-39976 WRIGHT UNIT 40-33 · CALLON PETROLEUM OPERATING CO
0.3 mi
Yates 2,060'Seven Rivers 2,130'San Andres 3,330'Glorieta 4,275'Clear Fork 5,780'Spraberry 6,565'Leonard 7,535'Dean 7,861'Wolfcamp 8,012'Coleman Junction
42-227-39977 WRIGHT UNIT 40-33 · CALLON PETROLEUM OPERATING CO
0.3 mi
Yates 2,060'Seven Rivers 2,130'San Andres 3,330'Glorieta 4,275'Clear Fork 5,780'Spraberry 6,565'Leonard 7,531'Wolfcamp Dean Coleman Junction
42-227-40701 GIBSON UNIT 28-21 · CALLON PETROLEUM OPERATING CO
0.3 mi
Santa Rosa 1,015'Yates 2,055'Seven Rivers 2,145'San Andres 3,315'Glorieta 4,305'Clear Fork 5,825'Spraberry 6,600'Leonard 7,527'Rustler Dean
42-227-40700 GIBSON UNIT 28-21 · CALLON PETROLEUM OPERATING CO
0.3 mi
Santa Rosa 1,015'Yates 2,055'Seven Rivers 2,145'San Andres 3,315'Glorieta 4,305'Clear Fork 5,825'Spraberry 6,600'Leonard 7,525'Dean 7,874'Rustler
42-227-40698 GIBSON UNIT 28-21 · CALLON PETROLEUM OPERATING CO
0.3 mi
Santa Rosa 1,015'Yates 2,055'Seven Rivers 2,145'San Andres 3,315'Glorieta 4,305'Clear Fork 5,825'Spraberry 6,600'Leonard 7,525'Dean 7,877'Rustler

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
8,542–17,891 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"1,247 ft861 sx
9.625"7,394 ft737 sx
7"9,486 ft3,093 sx
5.5"18,051 ft3,093 sx

Permit History (3)

Applications (3)

#835735 A CALLON PETROLEUM OPERATING CO
received 2018-02-27
#835735 A CALLON PETROLEUM OPERATING CO
received 2018-02-20
#835735 A CALLON PETROLEUM OPERATING CO
received 2018-01-29

Records & Logs

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

W-2/G-1 2018-11-26 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 32.497396
Lon -101.620670

Well Details

Well Number
8AH
Max Depth
8,500 ft
Drill Type
Horizontal
County
HOWARD
District
8
Completed
2018-08-19

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-12-03)
Cum Oil (all leases)
615,928,793 bbl
Cum Gas (all leases)
2,702,742,169 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
9,662