NIX 31

Oil · District 8A · Lease #67299

Operator: R K PETROLEUM CORP.

Cum Oil

179k BBL

Cum Gas

136k MCF

casinghead

Wells

2

Production

1994-09 — 2026-04

Peak Month

1996-07

Production History

Cum Oil: 178,530 BBL Cum Gas: 135,926 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,540 BBL/mo

Di (annual)

14.3%

b-factor

0.2

EUR

156,756 BBL

R-squared

0.647

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2000-11 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 290 mo
1994-09 — 2000-10 R K PETROLEUM CORP. 74 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC18,3501996-05-06
1DIAMONDBACK E&P LLC18,3501994-08-17