< leases

TRAINER TRUST 16

Oil · District 08 · Lease #42172

Operator: WHITING OIL AND GAS CORPORATION

Fields: WOLFBONE (TREND AREA)

Cum Oil

197k BBL

Cum Gas

505k MCF

casinghead

Wells

2

Production

2011-01 — 2026-03

Peak Month

2011-08

Production History

Cum Oil: 196,954 BBL Cum Gas: 505,088 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,211 BBL/mo

Di (annual)

69.9%

b-factor

0.4

EUR

146,567 BBL

R-squared

0.655

type

hyperbolic

Operator History (from monthly production reports)

2025-07 — 2026-07 SWORDFISH ENERGY OPERATING, LLC 13 mo
2020-10 — 2025-06 PECOS RIVER EXPLORATION, LLC 57 mo
2020-02 — 2020-09 PARSLEY ENERGY OPERATIONS, LLC 8 mo
2014-03 — 2020-01 JAGGED PEAK ENERGY LLC 71 mo
2011-01 — 2014-02 WHITING OIL AND GAS CORPORATION 38 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-371-37712SWORDFISH ENERGY OPERATING, LLC611,6002012-10-29
242-371-10902SWORDFISH ENERGY OPERATING, LLC512,0002007-11-30