WEIL "B"

Oil · District 04 · Lease #12065

Operator: TEXWYCAL OPERATIONS, INC

Cum Oil

53k BBL

Cum Gas

28k MCF

casinghead

Wells

2

Production

1993-01 — 2010-06

Peak Month

1993-03

Production History

Cum Oil: 53,344 BBL Cum Gas: 28,011 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,496 BBL/mo

Di (annual)

40.2%

b-factor

0.1

EUR

49,606 BBL

R-squared

0.960

type

hyperbolic

Operator History (from monthly production reports)

2010-03 — 2026-07 CALSTAR ENERGY CONSULTANTS, LLC 197 mo
2008-10 — 2010-02 TEXWYCAL OPERATIONS, INC 17 mo
2003-10 — 2008-09 TEXAS SOUTHERN PETROLEUM CORP. 60 mo
1999-01 — 2003-09 PEARL, BILL H. PRODUCTIONS, INC. 57 mo
1993-01 — 1998-12 HUGHES, DAN A. COMPANY 72 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2D. O. G. OPERATING, LLC35,5002016-04-15
1CALSTAR ENERGY CONSULTANTS LLC15,0001992-04-08