DARLENE UNIT

Oil · District 02 · Lease #9552

Operator: VALIDUS NRG AQUILAS ASSETCO LLC

Cum Oil

1.1M BBL

Cum Gas

1.2M MCF

casinghead

Wells

7

Production

2010-12 — 2026-04

Peak Month

2022-02

Production History

Cum Oil: 1,102,112 BBL Cum Gas: 1,221,920 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,763 BBL/mo

Di (annual)

58.3%

b-factor

0.0

EUR

632,810 BBL

R-squared

0.464

type

exponential

Operator History (from monthly production reports)

2022-09 — 2026-07 DEVON ENERGY PRODUCTION CO, L.P. 47 mo
2021-05 — 2022-08 VALIDUS NRG AQUILAS ASSETCO LLC 16 mo
2020-02 — 2021-04 OVINTIV USA INC. 15 mo
2014-07 — 2020-01 ENCANA OIL & GAS(USA) INC. 67 mo
2013-07 — 2014-06 FREEPORT-MCMORAN OIL & GAS LLC 12 mo
2010-12 — 2013-06 PLAINS EXPLORATION & PROD. CO. 31 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HDEVON ENERGY PRODUCTION CO, L.P.114,0002021-07-21
6HDEVON ENERGY PRODUCTION CO, L.P.114,0002021-07-21
7HDEVON ENERGY PRODUCTION CO, L.P.114,0002021-07-21
8HSDEVON ENERGY PRODUCTION CO, L.P.214,0002021-07-21
4HDEVON ENERGY PRODUCTION CO, L.P.113,7002012-01-31
2HDEVON ENERGY PRODUCTION CO, L.P.115,0002009-11-24
1 HDEVON ENERGY PRODUCTION CO, L.P.214,8272009-05-26