HIESERMAN, EDD ESTATE

Oil // district 13 // lease#16853

op: SHRADER OPERATING

cum_oil

80k BBL

cum_gas

0 MCF

wells

14

production

1993-01 — 2026-03

peak_month

1995-01

-- production_history

cum_oil: 79,556 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

670 BBL/mo

Di (annual)

28.5%

b-factor

1.1

EUR

82,206 BBL

R-squared

0.642

type

hyperbolic

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19SHRADER OPERATING11,8002012-12-17
18SHRADER OPERATING12,0002008-11-06
17SHRADER OPERATING11,8002008-10-06
16HAYNES & SHIRLEY PRODUCTION CO.11,8001996-11-12
14HAYNES & SHIRLEY PRODUCTION CO.11,8001995-08-23
11HAYNES & SHIRLEY PRODUCTION CO.11,8001995-04-18
8HAYNES & SHIRLEY PRODUCTION CO.11,8001988-03-02
7HAYNES & SHIRLEY PRODUCTION CO.22,0001987-10-30
6HAYNES & SHIRLEY PRODUCTION CO.12,0001987-08-18
142-485-31270--------
242-485-31330--------
342-485-31329--------
442-485-31711--------
542-485-32754--------
EOF // multi-state drilling data platform // 2026