GRAHAM

Oil · District 10 · Lease #42684

Operator: NORTHSTAR OPERATING COMPANY

Cum Oil

460k BBL

Cum Gas

0 MCF

Wells

16

Production

2012-02 — 2026-03

Peak Month

2019-01

Production History

Cum Oil: 459,891 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

10,232 BBL/mo

Di (annual)

151.1%

b-factor

1.3

EUR

511,802 BBL

R-squared

0.981

type

hyperbolic

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16BLACKBEARD OPERATING, LLC17,0002018-10-31
14BLACKBEARD OPERATING, LLC17,0002018-07-18
15BLACKBEARD OPERATING, LLC17,0002018-07-18
13BLACKBEARD OPERATING, LLC17,0002018-04-11
12BLACKBEARD OPERATING, LLC17,0002018-01-22
11BLACKBEARD OPERATING, LLC17,0002017-10-27
10NORTHSTAR OPERATING COMPANY15,2002017-07-11
9NORTHSTAR OPERATING COMPANY15,2002017-01-10
8NORTHSTAR OPERATING COMPANY15,2002016-04-27
7NORTHSTAR OPERATING COMPANY15,5002015-04-29
6NORTHSTAR OPERATING COMPANY15,2002014-12-10
5NORTHSTAR OPERATING COMPANY15,1502014-09-11
4NORTHSTAR OPERATING COMPANY15,1502014-05-21
3NORTHSTAR OPERATING COMPANY16,6002013-03-08
2NORTHSTAR OPERATING COMPANY15,2002012-09-06
1NORTHSTAR OPERATING COMPANY15,0002012-01-10
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