MATSON, P. I. "A"

Oil // district 8 // lease#18772

op: SOUTHWEST GAS SYSTEMS, INC.

cum_oil

25k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1998-10

-- production_history

cum_oil: 25,038 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

129 BBL/mo

Di (annual)

10.5%

b-factor

0.5

EUR

21,265 BBL

R-squared

0.576

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A 10SIOUX NATURAL GAS CORPORATION13,1001982-01-04
A 9SIOUX NATURAL GAS CORPORATION13,5001981-12-30
A 6SIOUX NATURAL GAS CORPORATION13,0001981-10-08
A 7SIOUX NATURAL GAS CORPORATION13,5001981-10-08
EOF // multi-state drilling data platform // 2026