HORTON -M-

Oil // district 1 // lease#9764

op: WELHAUSEN OPERATING COMPANY, LP

cum_oil

131k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

2000-04

-- production_history

cum_oil: 131,491 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,204 BBL/mo

Di (annual)

22.3%

b-factor

0.3

EUR

89,623 BBL

R-squared

0.775

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7WAPITI OPERATING, LLC110,0002013-08-07
6WELHAUSEN OPERATING CO., INC.19,5002001-02-15
5MTANA OIL & GAS CORP.19,4001985-12-06
4MTANA OIL & GAS CORP.19,4001985-07-08
3MTANA OIL & GAS CORP.19,5001985-01-16
2MTANA OIL & GAS CORP.19,5001984-09-20
1MTANA OIL & GAS CORP.19,8001984-03-09
EOF // data source: Texas Railroad Commission // 2026