DAVID HOLDSWORTH ZAV

Oil · District 01 · Lease #15619

Operator: EXCO OPERATING COMPANY, LP

Cum Oil

231k BBL

Cum Gas

118k MCF

casinghead

Wells

1

Production

2011-08 — 2026-04

Peak Month

2012-01

Production History

Cum Oil: 231,494 BBL Cum Gas: 118,441 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,580 BBL/mo

Di (annual)

13.1%

b-factor

0.0

EUR

236,838 BBL

R-squared

0.554

type

exponential

Operator History (from monthly production reports)

2013-07 — 2026-07 EXCO OPERATING COMPANY, LP 157 mo
2011-08 — 2013-06 CHESAPEAKE OPERATING, INC. 23 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEXCO OPERATING COMPANY, LP19,0002011-07-11