RANGEL UNIT A ZAV

Oil · District 01 · Lease #15570

Operator: EXCO OPERATING COMPANY, LP

Cum Oil

122k BBL

Cum Gas

78k MCF

casinghead

Wells

1

Production

2011-06 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 121,676 BBL Cum Gas: 78,287 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,251 BBL/mo

Di (annual)

12.6%

b-factor

0.0

EUR

118,767 BBL

R-squared

0.361

type

exponential

Operator History (from monthly production reports)

2013-07 — 2026-07 EXCO OPERATING COMPANY, LP 157 mo
2011-06 — 2013-06 CHESAPEAKE OPERATING, INC. 25 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEXCO OPERATING COMPANY, LP19,0002011-05-18