MARSTON, EDGAR J. JR. TRUST.-B-

Oil · District 08 · Lease #25355

Operator: WATERBRIDGE TEXAS OPERATING LLC

Cum Oil

21k BBL

Cum Gas

95k MCF

casinghead

Wells

2

Production

1993-01 — 2004-07

Peak Month

1999-06

Production History

Cum Oil: 21,110 BBL Cum Gas: 95,274 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

260 BBL/mo

Di (annual)

35.7%

b-factor

0.0

EUR

8,688 BBL

R-squared

0.619

type

exponential

Operator History (from monthly production reports)

2019-03 — 2026-07 NESITOR WEST TEXAS LLC 89 mo
2019-02 — 2019-02 WATERBRIDGE TEXAS OPERATING LLC 1 mo
2018-04 — 2019-01 ENWATER OPERATING, LLC 10 mo
2016-10 — 2018-03 CROSSING ROCKS ENERGY, LLC 18 mo
2001-10 — 2016-09 LARIO OIL & GAS COMPANY 180 mo
1993-01 — 2001-09 PITTENCRIEFF AMERICA, INC. 105 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2NESITOR WEST TEXAS LLC16,7001982-11-15
1NESITOR WEST TEXAS LLC16,7501979-02-01