GRAY

Oil // district 13 // lease#21282

op: LUFKIN PRODUCTION COMPANY INC.

cum_oil

267 BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2003-08

peak_month

1993-03

-- production_history

cum_oil: 267 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

30 BBL/mo

Di (annual)

166.4%

b-factor

0.0

EUR

212 BBL

R-squared

0.383

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7BRADFORD, MIKE11,5001983-05-03
5HOPE DRILLING COMPANY11,5001981-07-20
2HOPE DRILLING COMPANY11,5001981-07-07
3HOPE DRILLING COMPANY11,5001981-07-07
EOF // multi-state drilling data platform // 2026