NIVENS, COY

Oil · District 09 · Lease #19198

Operator: WINFIELD OPERATING COMPANY

Cum Oil

10k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-09

Production History

Cum Oil: 10,246 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41 BBL/mo

Di (annual)

3.7%

b-factor

0.0

EUR

11,329 BBL

R-squared

0.461

type

exponential

Operator History (from monthly production reports)

2011-06 — 2026-07 WINFIELD OPERATING COMPANY 182 mo
1993-01 — 2011-05 MARCON OPERATING COMPANY, INC. 221 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WINFIELD OPERATING COMPANY16,2001978-11-06