STUMBERG RANCH UNIT D

Oil · District 01 · Lease #19814

Operator: SN EF MAVERICK, LLC

Cum Oil

779k BBL

Cum Gas

3.2M MCF

casinghead

Wells

8

Production

2019-02 — 2026-04

Peak Month

2019-07

Production History

Cum Oil: 778,804 BBL Cum Gas: 3,222,233 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

107,222 BBL/mo

Di (annual)

860.2%

b-factor

1.0

EUR

913,534 BBL

R-squared

0.895

type

hyperbolic

Operator History (from monthly production reports)

2023-09 — 2026-07 JAVELIN ENERGY PARTNERS MGMT LLC 35 mo
2019-02 — 2023-08 SN EF MAVERICK, LLC 55 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
02HAJAVELIN ENERGY PARTNERS MGMT LLC18,2002018-08-27
02HCJAVELIN ENERGY PARTNERS MGMT LLC18,2002018-08-27
02HDJAVELIN ENERGY PARTNERS MGMT LLC18,2002018-08-27
02HFJAVELIN ENERGY PARTNERS MGMT LLC18,2002018-08-27
01HAJAVELIN ENERGY PARTNERS MGMT LLC18,0002018-07-30
01HCJAVELIN ENERGY PARTNERS MGMT LLC17,5002018-07-30
01HDJAVELIN ENERGY PARTNERS MGMT LLC17,5002018-07-30
01HFJAVELIN ENERGY PARTNERS MGMT LLC17,5002018-07-30