RAILWAY RANCH "18"

Oil // district 9 // lease#16195

op: WINN OPERATING, LLC

cum_oil

1.0M BBL

cum_gas

0 MCF

wells

16

production

2007-03 — 2026-03

peak_month

2008-03

-- production_history

cum_oil: 1,049,443 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

9,591 BBL/mo

Di (annual)

13.9%

b-factor

0.0

EUR

828,518 BBL

R-squared

0.487

type

exponential

-- wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12COG OPERATING LLC112,0002011-04-07
16COG OPERATING LLC112,0002011-03-15
13COG OPERATING LLC112,0002011-03-09
9COG OPERATING LLC112,0002011-01-26
11COG OPERATING LLC112,0002011-01-05
10COG OPERATING LLC112,0002010-11-09
15COG OPERATING LLC111,5002010-08-31
14COG OPERATING LLC111,2002010-05-25
8COG OPERATING LLC111,5002010-02-25
6COG OPERATING LLC111,5002010-02-17
7COG OPERATING LLC211,8002010-01-21
5TERRACE PETROLEUM CORPORATION110,8002009-05-04
4TERRACE PETROLEUM CORPORATION110,8002007-12-31
3TERRACE PETROLEUM CORPORATION111,0002007-09-12
2TERRACE PETROLEUM CORPORATION111,0002007-05-01
1TERRACE PETROLEUM CORPORATION111,0002006-08-24
EOF // data source: Texas Railroad Commission // 2026