THORN-WILLINGHAM GUNSIGHT UNIT

Oil // district 8 // lease#24802

op: SMITH PIPE OF ABILENE

cum_oil

16k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2000-04

peak_month

1993-08

-- production_history

cum_oil: 16,206 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

421 BBL/mo

Di (annual)

39.9%

b-factor

0.4

EUR

20,302 BBL

R-squared

0.773

type

hyperbolic

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2COTTONWOOD PETROLEUM CO.12,5001987-12-09
1COTTONWOOD PETROLEUM CO.12,5001987-10-06
3COTTONWOOD PETROLEUM CO.12,5001987-04-16
4COTTONWOOD PETROLEUM CO.12,5001986-12-31
6COTTONWOOD PETROLEUM CO.12,5001986-12-31
11CIGNA ENERGY RESOURCES, INC.12,4001986-12-19
5COTTONWOOD PETROLEUM CO.13,2001986-11-25
10COTTONWOOD PETROLEUM CO.24,0001986-11-21
9CIGNA ENERGY RESOURCES, INC.13,0001986-11-18
8COTTONWOOD PETROLEUM CO.12,5001986-10-06
7COTTONWOOD PETROLEUM CO.12,5001986-05-14
EOF // multi-state drilling data platform // 2026