MENDEL ESTATE -38-

Oil · District 08 · Lease #29950

Operator: WJC, INC.

Cum Oil

41k BBL

Cum Gas

1.9M MCF

casinghead

Wells

3

Production

1993-01 — 2017-02

Peak Month

1995-01

Production History

Cum Oil: 40,641 BBL Cum Gas: 1,875,081 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

409 BBL/mo

Di (annual)

22.5%

b-factor

0.3

EUR

30,111 BBL

R-squared

0.480

type

hyperbolic

Operator History (from monthly production reports)

2013-06 — 2018-02 PRIMEXX OPERATING CORPORATION 57 mo
2009-03 — 2013-05 WJC, INC. 51 mo
2004-12 — 2009-02 COG OPERATING LLC 51 mo
1999-01 — 2004-11 MARALO, LLC 71 mo
1993-01 — 1998-12 MARALO, INC. 72 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PRIMEXX OPERATING CORPORATION111,2001986-08-22
2VAQUERO OPERATING111,4001985-11-26
1PRIMEXX OPERATING CORPORATION111,3001985-04-16