ZANT

Oil // district 10 // lease#23775

op: ROBERTSON RESOURCES, INC.

cum_oil

203k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 202,603 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

931 BBL/mo

Di (annual)

4.4%

b-factor

0.0

EUR

226,703 BBL

R-squared

0.694

type

exponential

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13WALDROP COMPANY13,9001982-05-25
11WALDROP COMPANY14,0001981-04-08
9WALDROP COMPANY14,0001980-05-06
10WALDROP COMPANY14,0001980-05-01
8WALDROP COMPANY14,0001978-10-20
142-173-30301--------
442-173-30318--------
542-173-30322--------
642-173-30380--------
EOF // multi-state drilling data platform // 2026