DORA ROBERTS RANCH UNIT

Oil · District 08 · Lease #15859

Operator: OXY USA WTP LP

Cum Oil

1.0M BBL

Cum Gas

3.8M MCF

casinghead

Wells

12

Production

1993-01 — 2026-04

Peak Month

1999-10

Production History

Cum Oil: 1,030,035 BBL Cum Gas: 3,827,496 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,667 BBL/mo

Di (annual)

4.8%

b-factor

0.0

EUR

1,057,025 BBL

R-squared

0.303

type

exponential

Operator History (from monthly production reports)

2023-11 — 2026-07 CONTINENTAL RESOURCES, INC. 33 mo
2001-01 — 2023-10 OXY USA WTP LP 274 mo
1993-01 — 2000-12 OXY USA INC. 96 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4606CONTINENTAL RESOURCES, INC.213,1252013-01-04
4607CONTINENTAL RESOURCES, INC.113,2252013-01-04
4504CONTINENTAL RESOURCES, INC.113,1682007-08-29
4609CONTINENTAL RESOURCES, INC.113,2442007-08-29
4506CONTINENTAL RESOURCES, INC.413,3182007-02-10
4602CONTINENTAL RESOURCES, INC.19,7501997-08-25
4503CONTINENTAL RESOURCES, INC.213,2201986-03-03
4002 T42-329-00388CONTINENTAL RESOURCES, INC.------
460142-329-02048CONTINENTAL RESOURCES, INC.------
460442-329-00190CONTINENTAL RESOURCES, INC.------
4604 T42-329-00190CONTINENTAL RESOURCES, INC.------
460842-329-00428CONTINENTAL RESOURCES, INC.------