N X S

Oil · District 08 · Lease #34308

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

11k BBL

Cum Gas

48k MCF

casinghead

Wells

1

Production

1994-08 — 2006-08

Peak Month

2003-09

Production History

Cum Oil: 10,592 BBL Cum Gas: 47,664 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

412 BBL/mo

Di (annual)

79.5%

b-factor

0.3

EUR

8,746 BBL

R-squared

0.673

type

hyperbolic

Operator History (from monthly production reports)

1998-06 — 2026-07 MAKK OIL PRODUCTION INC. 338 mo
1994-08 — 1998-05 SOUTHWEST ROYALTIES, INC. 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAKK OIL PRODUCTION INC.16,1001993-08-26