ROBB WALTER UNIT

Oil · District 08 · Lease #47664

Operator: OXY USA INC.

Cum Oil

967k BBL

Cum Gas

1.2M MCF

casinghead

Wells

3

Production

2016-02 — 2026-04

Peak Month

2017-06

Production History

Cum Oil: 967,316 BBL Cum Gas: 1,160,344 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,304 BBL/mo

Di (annual)

45.7%

b-factor

0.4

EUR

1,072,685 BBL

R-squared

0.786

type

hyperbolic

Operator History (from monthly production reports)

2016-02 — 2026-07 OXY USA INC. 126 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1504WAOXY USA INC.112,5002015-09-22
1502WAOXY USA INC.212,5002015-09-16
1501WAOXY USA INC.112,5002015-09-15