CREWS-MAST, LTD.

Oil · District 08 · Lease #45295

Operator: VIN FISHER OPERATING, INC.

Cum Oil

47k BBL

Cum Gas

30k MCF

casinghead

Wells

2

Production

2014-08 — 2026-04

Peak Month

2016-01

Production History

Cum Oil: 47,005 BBL Cum Gas: 30,354 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,513 BBL/mo

Di (annual)

181.4%

b-factor

0.4

EUR

27,487 BBL

R-squared

0.710

type

hyperbolic

Operator History (from monthly production reports)

2024-10 — 2026-07 VIN FISHER OPERATING, INC. 22 mo
2014-08 — 2024-09 RING ENERGY, INC. 122 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5VIN FISHER OPERATING, INC.15,1002015-11-03
2VIN FISHER OPERATING, INC.25,1002014-06-05