HUMBLE-DUVAL RANCH SEC 204

Oil · District 4 · Lease #11211

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

89k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

1994-11

Production History

Cum Oil: 89,189 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,281 BBL/mo

Di (annual)

49.6%

b-factor

0.0

EUR

31,001 BBL

R-squared

0.689

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHWEST ROYALTIES, INC.12,4091995-10-20
10MOBIL PRODUCING TX. & N.M. INC.32,9001989-09-21
6MOBIL PRODUCING TX. & N.M. INC.26,9801988-01-12
9MOBIL PRODUCING TX. & N.M. INC.12,9001986-12-31
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