MASTERS UNIT

Oil · District 08 · Lease #47823

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

2.2M BBL

Cum Gas

5.4M MCF

casinghead

Wells

8

Production

2015-11 — 2026-04

Peak Month

2019-10

Production History

Cum Oil: 2,229,961 BBL Cum Gas: 5,410,447 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

60,696 BBL/mo

Di (annual)

41.6%

b-factor

0.0

EUR

1,749,348 BBL

R-squared

0.664

type

exponential

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2016-06 — 2024-07 CALLON PETROLEUM OPERATING CO 98 mo
2015-11 — 2016-05 BIG STAR OIL & GAS, LLC 7 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4AHAPACHE CORPORATION28,5002020-04-15
5AHAPACHE CORPORATION28,5002020-04-15
8SHAPACHE CORPORATION28,5002020-04-15
3AHAPACHE CORPORATION28,0002019-03-19
7SHAPACHE CORPORATION28,0002019-03-18
2AHAPACHE CORPORATION28,0002019-03-14
6SHAPACHE CORPORATION28,0002019-03-13
A 1HAPACHE CORPORATION110,0002015-07-31