< leases

GARDENDALE 4

Oil · District 08 · Lease #40518

Operator: SLANT OPERATING, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

1.1M BBL

Cum Gas

4.4M MCF

casinghead

Wells

17

Production

2010-04 — 2026-04

Peak Month

2018-07

Production History

Cum Oil: 1,129,826 BBL Cum Gas: 4,449,199 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,056 BBL/mo

Di (annual)

29.1%

b-factor

0.1

EUR

919,958 BBL

R-squared

0.771

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
2010-04 — 2010-10 KEYSTONE PETROLEUM GP LLC 7 mo

Wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
642-135-41067DIAMONDBACK E&P LLC311,9002024-07-29
342-135-43258DIAMONDBACK E&P LLC111,9002014-11-14
3142-135-42849DIAMONDBACK E&P LLC111,9002014-01-08
1342-135-42625DIAMONDBACK E&P LLC311,9002013-06-28
1042-135-42232DIAMONDBACK E&P LLC111,9002013-01-08
2R42-135-41809DIAMONDBACK E&P LLC111,9002012-04-26
1442-135-41031DIAMONDBACK E&P LLC211,9002011-05-11
1642-135-40917DIAMONDBACK E&P LLC211,9002011-05-11
542-135-41027DIAMONDBACK E&P LLC211,9002011-05-05
1142-135-41022DIAMONDBACK E&P LLC211,9002011-04-29
1242-135-41023DIAMONDBACK E&P LLC211,9002011-04-29
1542-135-41032DIAMONDBACK E&P LLC211,9002011-04-29
742-135-41029DIAMONDBACK E&P LLC211,9002011-04-29
842-135-41030DIAMONDBACK E&P LLC211,9002011-04-29
942-135-41021DIAMONDBACK E&P LLC211,9002011-04-29
442-135-40599DIAMONDBACK E&P LLC211,0002010-10-14
142-135-40182DIAMONDBACK E&P LLC211,0002010-02-03