BOOKS, E. C.

Oil · District 08 · Lease #36443

Operator: VENCER ENERGY, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

39k BBL

Cum Gas

192k MCF

casinghead

Wells

4

Production

2000-11 — 2022-08

Peak Month

2002-07

Production History

Cum Oil: 39,304 BBL Cum Gas: 191,996 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

532 BBL/mo

Di (annual)

18.3%

b-factor

0.1

EUR

38,635 BBL

R-squared

0.818

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

2013-12 — 2021-07 HUNT OIL COMPANY 92 mo

2002-07 — 2013-11 MERIT ENERGY COMPANY 137 mo

2001-07 — 2002-06 DEVON ENERGY PRODUCTION CO, L.P. 12 mo

2000-11 — 2001-06 CONCHO RESOURCES INC. 8 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-173-33017	VENCER ENERGY, LLC	2	8,975	2020-06-01
3	42-173-32190	VENCER ENERGY, LLC	4	9,000	2020-05-14
1	42-173-32146	HUNT OIL COMPANY	4	11,500	2001-03-06
5	42-173-32208	HUNT OIL COMPANY	4	9,000	2000-09-19