JOHN UNIT WATERFLOOD

Oil // district 11 // lease#68117

op: PATTERSON PETROLEUM LP

cum_oil

6.1M BBL

cum_gas

0 MCF

wells

27

production

1999-09 — 2026-03

peak_month

2002-05

-- production_history

cum_oil: 6,129,994 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

43,107 BBL/mo

Di (annual)

10.1%

b-factor

0.1

EUR

5,550,054 BBL

R-squared

0.990

type

hyperbolic

-- wells (27)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15PATTERSON PETROLEUM, INC.35,2002014-09-26
28CML EXPLORATION, LLC15,1002008-08-01
27PATTERSON PETROLEUM LP15,2002006-01-11
21SPATTERSON PETROLEUM, INC.25,2102000-07-27
24PATTERSON PETROLEUM, INC.15,2002000-03-30
25PATTERSON PETROLEUM, INC.28,5002000-01-13
22PATTERSON PETROLEUM, INC.15,2001999-12-21
23PATTERSON PETROLEUM, INC.15,2001999-11-30
19PATTERSON PETROLEUM, INC.15,2001999-10-27
20PATTERSON PETROLEUM, INC.15,2001999-10-21
17PATTERSON PETROLEUM, INC.15,1001998-09-29
18PATTERSON PETROLEUM, INC.15,1001998-07-07
10PATTERSON PETROLEUM, INC.15,1001998-05-14
16PATTERSON PETROLEUM, INC.15,1001998-05-06
9PATTERSON PETROLEUM, INC.15,1501998-04-06
11PATTERSON PETROLEUM, INC.25,2201998-02-27
8PATTERSON PETROLEUM, INC.15,1501998-01-08
1PATTERSON PETROLEUM, INC.15,1501997-11-17
6PATTERSON PETROLEUM, INC.15,1501997-09-26
7PATTERSON PETROLEUM, INC.15,1501997-08-15
4PATTERSON PETROLEUM, INC.15,1501997-06-27
5PATTERSON PETROLEUM, INC.15,1501997-06-27
3PATTERSON PETROLEUM, INC.15,1001997-05-07
2PATTERSON PETROLEUM, INC.15,2001997-03-17
13PATTERSON PETROLEUM, INC.15,2001995-10-16
14PATTERSON PETROLEUM, INC.38,5001995-05-03
12PATTERSON PETROLEUM, INC.15,2001991-03-20
EOF // data source: Texas Railroad Commission // 2026