SULLIVAN "A"

Oil · District 11 · Lease #1904

Operator: SOUTHWEST ROYALTIES, INC.

Fields: GARZA

Cum Oil

141k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-01 — 2026-03

Peak Month

2019-10

Production History

Cum Oil: 140,981 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

493 BBL/mo

Di (annual)

13.1%

b-factor

0.0

EUR

45,055 BBL

R-squared

0.397

type

exponential

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6BROWN, GEO. R PARTNERSHIP,LP,THE13,2002008-04-01
5SHENANDOAH PETROLEUM CORPORATION12,8962005-10-13
3PHILLIPS OIL COMPANY13,3001984-07-23
4PHILLIPS OIL COMPANY13,3001984-07-23
142-169-01424--------
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