ZANT

Oil · District 10 · Lease #23775

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

203k BBL

Cum Gas

0 MCF

Wells

9

Production

1993-01 — 2026-03

Peak Month

1993-03

Production History

Cum Oil: 202,603 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

931 BBL/mo

Di (annual)

4.4%

b-factor

0.0

EUR

226,703 BBL

R-squared

0.694

type

exponential

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13WALDROP COMPANY13,9001982-05-25
11WALDROP COMPANY14,0001981-04-08
9WALDROP COMPANY14,0001980-05-06
10WALDROP COMPANY14,0001980-05-01
8WALDROP COMPANY14,0001978-10-20
142-173-30301--------
442-173-30318--------
542-173-30322--------
642-173-30380--------
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