GRESHAM TRUST

Oil · District 03 · Lease #25729

Operator: ENCANA OIL & GAS(USA) INC.

Cum Oil

90k BBL

Cum Gas

24k MCF

casinghead

Wells

2

Production

2011-09 — 2026-04

Peak Month

2012-01

Production History

Cum Oil: 89,511 BBL Cum Gas: 24,080 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,741 BBL/mo

Di (annual)

235.6%

b-factor

1.2

EUR

57,021 BBL

R-squared

0.395

type

hyperbolic

Operator History (from monthly production reports)

2019-09 — 2026-07 COMSTOCK OIL & GAS, LLC 83 mo
2014-04 — 2019-08 COVEY PARK OPERATING LLC 65 mo
2011-09 — 2014-03 ENCANA OIL & GAS(USA) INC. 31 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HCOMSTOCK OIL & GAS, LLC220,0002011-12-12
1HCOMSTOCK OIL & GAS, LLC215,5002011-06-02