CHALK

Oil · District 08 · Lease #19432

Operator: SHENANDOAH PETROLEUM CORPORATION

Cum Oil

165k BBL

Cum Gas

20 MCF

casinghead

Wells

10

Production

1993-01 — 2011-11

Peak Month

2002-10

Production History

Cum Oil: 165,286 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

891 BBL/mo

Di (annual)

8.0%

b-factor

0.2

EUR

151,721 BBL

R-squared

0.535

type

hyperbolic

Operator History (from monthly production reports)

2002-08 — 2013-03 MIRANDA ENERGY CORPORATION 128 mo
2002-03 — 2002-07 SHENANDOAH PETROLEUM CORPORATION 5 mo
2002-01 — 2002-02 LYNX OPERATING CO., INC. 2 mo
1993-01 — 2001-12 LYNX ENERGY COMPANY, INC. 108 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8WGTG OPERATING, LLC13,3002005-10-28
7GTG OPERATING, LLC13,3002003-01-23
5GTG OPERATING, LLC13,2502002-11-13
142-227-10249GTG OPERATING, LLC------
242-227-10251GTG OPERATING, LLC------
342-227-10326GTG OPERATING, LLC------
442-227-10555GTG OPERATING, LLC------
642-227-10556GTG OPERATING, LLC------
6W42-227-10556GTG OPERATING, LLC------
942-227-10787GTG OPERATING, LLC------