MCELROY RANCH

Oil · District 7C · Lease #16427

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

356k BBL

Cum Gas

2.4M MCF

casinghead

Wells

2

Production

2007-06 — 2026-04

Peak Month

2008-07

Production History

Cum Oil: 355,813 BBL Cum Gas: 2,385,204 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,437 BBL/mo

Di (annual)

99.8%

b-factor

0.3

EUR

384,794 BBL

R-squared

0.791

type

hyperbolic

Operator History (from monthly production reports)

2007-06 — 2026-07 SOUTHWEST ROYALTIES, INC. 230 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOUTHWEST ROYALTIES, INC.111,0002008-03-27
3SOUTHWEST ROYALTIES, INC.212,5982007-07-20