< leases

TARZAN PIVOT 8

Oil · District 08 · Lease #43651

Operator: QEP ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

95k BBL

Cum Gas

161k MCF

casinghead

Wells

4

Production

2012-11 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 94,992 BBL Cum Gas: 160,904 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,002 BBL/mo

Di (annual)

15.8%

b-factor

0.0

EUR

76,069 BBL

R-squared

0.420

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 67 mo
2018-11 — 2019-05 QEP ENERGY COMPANY 7 mo
2018-04 — 2018-10 BIRCH OPERATIONS, INC. 7 mo
2012-12 — 2018-03 BREITBURN OPERATING L.P. 64 mo
2012-11 — 2012-11 CROWNQUEST OPERATING, LLC 1 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-317-39287DIAMONDBACK E&P LLC112,0002014-04-16
442-317-39289DIAMONDBACK E&P LLC112,0002014-04-16
242-317-38423DIAMONDBACK E&P LLC112,0002013-02-11
142-317-37881DIAMONDBACK E&P LLC112,0002012-06-08