CHILSON EST.

Oil · District 13 · Lease #12536

Operator: WINFREY OIL CO., INC.

Cum Oil

123k BBL

Cum Gas

0 MCF

Wells

32

Production

1993-01 — 2026-03

Peak Month

2009-07

Production History

Cum Oil: 123,367 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,649 BBL/mo

Di (annual)

70.2%

b-factor

0.5

EUR

85,661 BBL

R-squared

0.966

type

hyperbolic

Wells (32)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21TEXAS ENERGY OPERATIONS, LC12,0002009-09-15
15 STEXAS ENERGY OPERATIONS, LC22,0002008-09-02
16 STEXAS ENERGY OPERATIONS, LC22,0002008-09-02
14STEXAS ENERGY OPERATIONS, LC22,0002008-08-28
17STEXAS ENERGY OPERATIONS, LC11,8002008-08-28
18STEXAS ENERGY OPERATIONS, LC11,8002008-08-26
19STEXAS ENERGY OPERATIONS, LC11,8002008-08-26
12STEXAS ENERGY OPERATIONS, LC12,0002008-05-28
10 STEXAS ENERGY OPERATIONS, LC12,0002008-05-23
10STEXAS ENERGY OPERATIONS, LC12,0002008-05-23
11STEXAS ENERGY OPERATIONS, LC12,0002008-05-23
13STEXAS ENERGY OPERATIONS, LC12,0002008-05-23
8 STEXAS ENERGY OPERATIONS, LC11,8002008-03-19
7STEXAS ENERGY OPERATIONS, LC11,8002008-03-18
6 SSISSOM OIL11,8002007-11-09
5 SSISSOM OIL11,8002006-10-30
4 SSISSOM OIL11,9992001-09-12
3 SSISSOM OIL11,9992000-06-06
2 SSISSOM OIL11,9992000-03-09
2SSISSOM OIL11,9992000-03-09
1 SSISSOM OIL11,9991999-11-09
1SSISSOM OIL11,9991999-11-09
13WINFREY OIL CO.11,3001989-05-03
B 1WINFREY OIL CO.15,2001984-12-27
142-485-01859--------
1042-485-11812--------
242-485-01860--------
3W42-485-01861--------
442-485-01862--------
542-485-01863--------
7W42-485-01865--------
842-485-01866--------
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