RICHARDSON TRUST

Oil // district 13 // lease#20315

op: STEPHENS, AUTRY C.

cum_oil

7k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2019-06

peak_month

2012-06

-- production_history

cum_oil: 7,442 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

141 BBL/mo

Di (annual)

731.2%

b-factor

0.6

EUR

505 BBL

R-squared

0.788

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MAHLER & SCOTT11,5001981-12-01
3MAHLER & SCOTT11,4501980-12-11
2MAHLER & SCOTT11,4501980-08-25
1MAHLER & SCOTT11,5001980-03-13
EOF // multi-state drilling data platform // 2026