KOLB

Oil · District 08 · Lease #41910

Operator: PIEDRA OPERATING, LLC

Cum Oil

25k BBL

Cum Gas

49k MCF

casinghead

Wells

1

Production

2011-11 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 24,654 BBL Cum Gas: 49,039 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,493 BBL/mo

Di (annual)

433.7%

b-factor

1.3

EUR

36,944 BBL

R-squared

0.824

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 DIAMONDBACK E&P LLC 15 mo
2022-11 — 2025-04 DE IV OPERATING, LLC 30 mo
2019-09 — 2022-10 FED OPERATING LLC 38 mo
2015-02 — 2019-08 ENCANA OIL & GAS(USA) INC. 55 mo
2014-04 — 2015-01 ATHLON HOLDINGS LP 10 mo
2011-11 — 2014-03 PIEDRA OPERATING, LLC 29 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC211,5002011-07-13