< leases

PETTIT, JAP-B-

Oil · District 7C · Lease #6347

Operator: SINCLAIR DEVELOPMENT, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

39k BBL

Cum Gas

123k MCF

casinghead

Wells

2

Production

1993-01 — 2019-05

Peak Month

1994-09

Production History

Cum Oil: 38,971 BBL Cum Gas: 123,245 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

347 BBL/mo

Di (annual)

11.6%

b-factor

0.0

EUR

35,905 BBL

R-squared

0.786

type

exponential

Operator History (from monthly production reports)

2018-09 — 2020-12 EARTHSTONE OPERATING, LLC 28 mo
2016-12 — 2018-08 BOLD OPERATING, LLC 21 mo
2009-09 — 2016-11 SINCLAIR DEVELOPMENT, LLC 87 mo
2006-04 — 2009-08 CHEVRON MIDCONTINENT, L.P. 41 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1994-12 — 2001-12 HALLWOOD PETROLEUM, INC. 85 mo
1993-01 — 1994-11 HALLWOOD ENERGY CORPORATION 23 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-383-34274EARTHSTONE OPERATING, LLC29,0002011-07-08
142-383-30370EARTHSTONE OPERATING LLC------