HUMBLE-DUVAL RANCH SEC 204

Oil · District 04 · Lease #11211

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

89k BBL

Cum Gas

34k MCF

casinghead

Wells

4

Production

1993-01 — 2006-06

Peak Month

1994-07

Production History

Cum Oil: 89,189 BBL Cum Gas: 34,331 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

1993-01 — 2026-05 SOUTHWEST ROYALTIES, INC. 401 mo

Wells (4)

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