MCMILLAN SAND UNIT

Oil // district 8 // lease#13723

op: SCHKADE BROS. OPERATING COMPANY

cum_oil

222k BBL

cum_gas

0 MCF

wells

23

production

1993-01 — 2020-07

peak_month

2003-01

-- production_history

cum_oil: 221,907 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,099 BBL/mo

Di (annual)

12.1%

b-factor

0.0

EUR

108,638 BBL

R-squared

0.801

type

exponential

-- wells (23)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
203SCHKADE BROS. OPERATING COMPANY12,8002000-06-02
506SCHKADE BROTHERS DRILLING CO.12,7501980-11-13
1WSSCHKADE BROTHERS DRILLING CO.12,6001978-11-14
10142-441-03143--------
10242-441-02503--------
10342-441-81533--------
10442-441-81534--------
10642-441-20103--------
10742-441-81537--------
20142-441-02691--------
20242-441-81539--------
20442-441-20372--------
20542-441-20373--------
30142-441-81542--------
40142-441-04651--------
40242-441-20171--------
40342-441-20353--------
40442-441-20354--------
40542-441-20166--------
40642-441-20351--------
40742-441-00054--------
50242-441-20383--------
50442-441-20385--------
EOF // multi-state drilling data platform // 2026