DORA ROBERTS RANCH UNIT

Oil · District 08 · Lease #34019

Operator: OXY USA INC.

Cum Oil

53k BBL

Cum Gas

177k MCF

casinghead

Wells

2

Production

1993-11 — 1995-09

Peak Month

1994-05

Production History

Cum Oil: 53,137 BBL Cum Gas: 176,947 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,062 BBL/mo

Di (annual)

819.9%

b-factor

1.4

EUR

95,550 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

1993-11 — 1995-10 OXY USA INC. 24 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4506CONTINENTAL RESOURCES, INC.413,3182007-02-10
4001CONTINENTAL RESOURCES, INC.113,3221994-04-04