< leases

GARDENDALE "9"

Oil · District 08 · Lease #40523

Operator: SLANT OPERATING, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

736k BBL

Cum Gas

3.1M MCF

casinghead

Wells

15

Production

2010-05 — 2026-04

Peak Month

2015-11

Production History

Cum Oil: 735,770 BBL Cum Gas: 3,102,836 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,867 BBL/mo

Di (annual)

59.4%

b-factor

0.4

EUR

588,319 BBL

R-squared

0.917

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 DIAMONDBACK E&P LLC 15 mo
2023-07 — 2025-04 DE IV OPERATING, LLC 22 mo
2022-12 — 2023-06 SLANT OPERATING, LLC 7 mo
2022-01 — 2022-11 CONTANGO RESOURCES, LLC 11 mo
2015-03 — 2021-12 FDL OPERATING, LLC 82 mo
2014-07 — 2015-02 LINN OPERATING, INC. 8 mo
2010-11 — 2014-06 BERRY OIL COMP. 44 mo
2010-05 — 2010-10 KEYSTONE PETROLEUM GP LLC 6 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-135-42663DIAMONDBACK E&P LLC411,9002013-07-25
742-135-42664DIAMONDBACK E&P LLC111,9002013-07-25
1142-135-42631DIAMONDBACK E&P LLC111,9002013-07-10
1242-135-42632DIAMONDBACK E&P LLC111,9002013-07-10
942-135-42630DIAMONDBACK E&P LLC311,9002013-07-10
642-135-42629DIAMONDBACK E&P LLC111,9002013-07-01
142-135-42628DIAMONDBACK E&P LLC411,9002013-06-28
1542-135-41395DIAMONDBACK E&P LLC111,9002011-11-17
442-135-41073DIAMONDBACK E&P LLC311,9002011-05-11
1442-135-41052DIAMONDBACK E&P LLC211,9002011-05-02
242-135-41047DIAMONDBACK E&P LLC211,9002011-05-02
1042-135-40796DIAMONDBACK E&P LLC211,9002011-02-02
842-135-40671DIAMONDBACK E&P LLC211,9002010-11-23
1642-135-40494DIAMONDBACK E&P LLC211,0002010-08-18
542-135-40255DIAMONDBACK E&P LLC111,0002010-03-26