FOSTER RANCH

Oil · District 08 · Lease #46902

Operator: OXYROCK OPERATING, LLC

Cum Oil

139k BBL

Cum Gas

464k MCF

casinghead

Wells

4

Production

2015-05 — 2026-03

Peak Month

2015-12

Production History

Cum Oil: 139,144 BBL Cum Gas: 463,800 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,546 BBL/mo

Di (annual)

18.6%

b-factor

0.0

EUR

99,803 BBL

R-squared

0.554

type

exponential

Operator History (from monthly production reports)

2025-05 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 15 mo
2024-08 — 2025-04 OXYROCK OPERATING, LLC 9 mo
2015-05 — 2024-07 CROWNQUEST OPERATING, LLC 111 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
381CIVITAS PERMIAN OPERATING, LLC112,0002018-02-15
491CIVITAS PERMIAN OPERATING, LLC112,0002017-10-25
441CIVITAS PERMIAN OPERATING, LLC112,0002015-03-04
431CIVITAS PERMIAN OPERATING, LLC112,0002015-03-03