SCHRADER-STONEHENGE UNIT

Oil · District 03 · Lease #21061

Operator: COX & PERKINS EXPLORATION, INC.

Cum Oil

18k BBL

Cum Gas

285k MCF

casinghead

Wells

1

Production

1993-01 — 2002-11

Peak Month

1993-10

Production History

Cum Oil: 17,609 BBL Cum Gas: 285,385 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

581 BBL/mo

Di (annual)

270.2%

b-factor

0.9

EUR

10,692 BBL

R-squared

0.417

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2004-08 COX & PERKINS EXPLORATION, INC. 140 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COX & PERKINS EXPLORATION INC.113,5001990-11-20