RICHTER UNIT B ZAV

Oil · District 01 · Lease #17215

Operator: EXCO OPERATING COMPANY, LP

Cum Oil

196k BBL

Cum Gas

83k MCF

casinghead

Wells

1

Production

2013-09 — 2026-04

Peak Month

2013-11

Production History

Cum Oil: 196,474 BBL Cum Gas: 82,999 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,191 BBL/mo

Di (annual)

61.6%

b-factor

0.4

EUR

196,958 BBL

R-squared

0.821

type

hyperbolic

Operator History (from monthly production reports)

2013-09 — 2026-07 EXCO OPERATING COMPANY, LP 155 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEXCO OPERATING COMPANY, LP29,0002012-03-24