GRAHAM

Oil · District 08 · Lease #42684

Operator: NORTHSTAR OPERATING COMPANY

Cum Oil

465k BBL

Cum Gas

1.1M MCF

casinghead

Wells

16

Production

2012-02 — 2026-04

Peak Month

2019-01

Production History

Cum Oil: 464,818 BBL Cum Gas: 1,092,848 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,783 BBL/mo

Di (annual)

164.1%

b-factor

1.3

EUR

511,098 BBL

R-squared

0.985

type

hyperbolic

Operator History (from monthly production reports)

2025-09 — 2026-07 N & B OIL AND GAS LLC 11 mo
2017-09 — 2025-08 BLACKBEARD OPERATING, LLC 96 mo
2012-02 — 2017-08 NORTHSTAR OPERATING COMPANY 67 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16N & B OIL AND GAS LLC17,0002018-10-31
14N & B OIL AND GAS LLC17,0002018-07-18
15N & B OIL AND GAS LLC17,0002018-07-18
13N & B OIL AND GAS LLC17,0002018-04-11
12N & B OIL AND GAS LLC17,0002018-01-22
11N & B OIL AND GAS LLC17,0002017-10-27
10N & B OIL AND GAS LLC15,2002017-07-11
9N & B OIL AND GAS LLC15,2002017-01-10
8N & B OIL AND GAS LLC15,2002016-04-27
7N & B OIL AND GAS LLC15,5002015-04-29
6N & B OIL AND GAS LLC15,2002014-12-10
5N & B OIL AND GAS LLC15,1502014-09-11
4N & B OIL AND GAS LLC15,1502014-05-21
3N & B OIL AND GAS LLC16,6002013-03-08
2N & B OIL AND GAS LLC15,2002012-09-06
1N & B OIL AND GAS LLC15,0002012-01-10