< leases

TETENS "A"

Oil · District 8A · Lease #67910

Operator: SOUTHERN BAY OPERATING, L.L.C.

Fields: HARRIS (SAN ANDRES)

Cum Oil

766k BBL

Cum Gas

38k MCF

casinghead

Wells

7

Production

1998-02 — 2026-04

Peak Month

2002-07

Production History

Cum Oil: 765,695 BBL Cum Gas: 37,896 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,038 BBL/mo

Di (annual)

4.6%

b-factor

0.0

EUR

718,229 BBL

R-squared

0.359

type

exponential

Operator History (from monthly production reports)

2022-12 — 2026-07 FREE REIN OPERATING LLC 44 mo
2019-04 — 2022-11 FLINT OAK ENERGY, LLC 44 mo
2013-12 — 2019-03 ENERGYQUEST II, LLC 64 mo
2013-07 — 2013-11 HK ENERGY OPERATING, LLC 5 mo
2007-12 — 2013-06 SOUTHERN BAY OPERATING, L.L.C. 67 mo
2000-05 — 2007-11 AROC (TEXAS) INC. 91 mo
1998-02 — 2000-04 LYNX ENERGY COMPANY, INC. 27 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
642-165-36355FREE REIN OPERATING LLC25,1002005-03-23
742-165-35824FREE REIN OPERATING LLC25,1002002-04-11
442-165-35648FREE REIN OPERATING LLC15,2002000-10-27
542-165-35649FREE REIN OPERATING LLC15,2002000-10-27
242-165-35303FREE REIN OPERATING LLC26,1001999-05-18
142-165-35301FREE REIN OPERATING LLC26,1001998-10-12
342-165-35302FREE REIN OPERATING LLC26,1001997-12-01