WALDEN

Oil · District 11 · Lease #62223

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

1.1M BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

2022-05

Production History

Cum Oil: 1,094,411 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

4,536 BBL/mo

Di (annual)

4.0%

b-factor

0.0

EUR

1,170,472 BBL

R-squared

0.420

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2NORTH AMERICAN ROYALTIES, INC.112,0001979-05-11
1NORTH AMERICAN ROYALTIES, INC.112,0001978-03-08
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