WELDER EFH

Oil // district 4 // lease#13987

op: WELDERXP LTD.

fields: PLYMOUTH

cum_oil

41k BBL

cum_gas

0 MCF

wells

2

production

2015-01 — 2026-03

peak_month

2015-06

-- production_history

cum_oil: 41,234 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,169 BBL/mo

Di (annual)

149.3%

b-factor

0.2

EUR

31,818 BBL

R-squared

0.540

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5WELDER EXPLORATION & PROD., INC.37,5002017-01-18
4WELDER EXPLORATION & PROD., INC.27,5002014-05-27
EOF // data source: Texas Railroad Commission // 2026