WALKER-BUCKLER "135" UNIT

Oil · District 7B · Lease #28886

Operator: VAN OPERATING, LTD.

Fields: SHERI (CADDO)

Cum Oil

62k BBL

Cum Gas

93k MCF

casinghead

Wells

1

Production

2000-10 — 2018-11

Peak Month

2000-10

Production History

Cum Oil: 62,075 BBL Cum Gas: 92,541 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,554 BBL/mo

Di (annual)

39.6%

b-factor

0.2

EUR

58,652 BBL

R-squared

0.887

type

hyperbolic

Operator History (from monthly production reports)

2000-10 — 2022-05 VAN OPERATING, LTD. 260 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VAN OPERATING LTD.25,0002000-10-27