MALLARD

Oil // district 13 // lease#34377

op: EXTECH OPERATING, LLC

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

2025-03 — 2026-03

peak_month

2025-03

-- production_history

cum_oil: 1,997 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

383 BBL/mo

Di (annual)

747.3%

b-factor

2.0

EUR

16,213 BBL

R-squared

0.818

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1EXTECH OPERATING, LLC17,5002024-10-01
EOF // data source: Texas Railroad Commission // 2026