HECKER

Oil · District 08 · Lease #40990

Operator: R K PETROLEUM CORP.

Cum Oil

67k BBL

Cum Gas

120k MCF

casinghead

Wells

2

Production

2010-12 — 2025-03

Peak Month

2011-05

Production History

Cum Oil: 66,952 BBL Cum Gas: 119,882 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,132 BBL/mo

Di (annual)

81.2%

b-factor

0.6

EUR

69,624 BBL

R-squared

0.903

type

hyperbolic

Operator History (from monthly production reports)

2021-10 — 2026-07 DIAMONDBACK E&P LLC 58 mo
2016-10 — 2021-09 QEP ENERGY COMPANY 60 mo
2010-12 — 2016-09 R K PETROLEUM CORP. 70 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 2DIAMONDBACK E&P LLC113,5002017-03-23
1DIAMONDBACK E&P LLC112,0002010-09-03