PIERCE ESTATES -E-

Oil // district 3 // lease#11218

op: TEXACO E & P INC.

cum_oil

155k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2003-05

peak_month

1993-01

-- production_history

cum_oil: 155,403 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,003 BBL/mo

Di (annual)

18.2%

b-factor

0.0

EUR

198,221 BBL

R-squared

0.759

type

exponential

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TEXACO INC.46,5122012-04-26
2 UTEXACO INC.46,5122012-04-26
1TEXACO INC.16,5101983-04-28
9TEXACO INC.16,5131977-07-12
1042-481-31173--------
442-481-31065--------
EOF // data source: Texas Railroad Commission // 2026