< leases

COOK, T. E.

Oil · District 7C · Lease #13986

Operator: PARSLEY ENERGY OPERATIONS, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

102k BBL

Cum Gas

706k MCF

casinghead

Wells

5

Production

1995-11 — 2026-04

Peak Month

2014-03

Production History

Cum Oil: 102,285 BBL Cum Gas: 706,361 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,420 BBL/mo

Di (annual)

52.0%

b-factor

1.0

EUR

107,982 BBL

R-squared

0.648

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 DE CENTRAL OPERATING, LLC 17 mo
2022-10 — 2025-02 FLAT TOP OPERATING, LLC 29 mo
2021-03 — 2022-09 HEXP OPERATING, LLC 19 mo
2020-06 — 2021-02 BAM PERMIAN OPERATING, LLC 9 mo
2013-05 — 2020-05 PARSLEY ENERGY OPERATIONS, LLC 85 mo
2006-04 — 2013-04 CHEVRON MIDCONTINENT, L.P. 85 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1995-11 — 2001-12 HALLWOOD PETROLEUM, INC. 74 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-383-38356DE CENTRAL OPERATING, LLC29,3002013-06-25
542-383-38357DE CENTRAL OPERATING, LLC29,3002013-06-25
342-383-34276DE CENTRAL OPERATING, LLC18,2001994-06-07
142-383-30147DE CENTRAL OPERATING, LLC------
242-383-30148DE CENTRAL OPERATING, LLC------