BIG TEX NORTH

Oil · District 08 · Lease #41551

Operator: WHITING OIL AND GAS CORPORATION

Cum Oil

134k BBL

Cum Gas

295k MCF

casinghead

Wells

3

Production

2011-03 — 2024-10

Peak Month

2012-04

Production History

Cum Oil: 134,079 BBL Cum Gas: 294,538 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,110 BBL/mo

Di (annual)

130.8%

b-factor

0.7

EUR

150,901 BBL

R-squared

0.747

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
2011-03 — 2014-02 WHITING OIL AND GAS CORPORATION 36 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1501JAGGED PEAK ENERGY LLC310,5002014-04-29
301SWORDFISH ENERGY OPERATING LLC210,4002011-05-04
1351SWORDFISH ENERGY OPERATING LLC211,0002010-10-06