< leases

CALVERLEY B-REED 40

Oil · District 08 · Lease #50548

Operator: VENCER ENERGY, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

717k BBL

Cum Gas

7.9M MCF

casinghead

Wells

4

Production

2018-07 — 2026-03

Peak Month

2020-05

Production History

Cum Oil: 716,909 BBL Cum Gas: 7,934,483 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

40,867 BBL/mo

Di (annual)

112.1%

b-factor

0.3

EUR

624,387 BBL

R-squared

0.899

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 31 mo
2021-08 — 2023-12 VENCER ENERGY, LLC 29 mo
2018-07 — 2021-07 HUNT OIL COMPANY 37 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
304HB42-173-38001CIVITAS PERMIAN OPERATING, LLC18,9102018-10-15
104HA42-173-37720CIVITAS PERMIAN OPERATING, LLC18,3842017-10-04
104HB42-173-37721CIVITAS PERMIAN OPERATING, LLC18,6552017-09-27
204HL42-173-37719CIVITAS PERMIAN OPERATING, LLC28,1532017-09-27