GOWAN-MAYFIELD UNIT

Oil // district 13 // lease#31238

op: MCCAULEY PRODUCTION

cum_oil

3k BBL

cum_gas

0 MCF

wells

2

production

2008-11 — 2026-03

peak_month

2011-04

-- production_history

cum_oil: 3,495 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

125 BBL/mo

Di (annual)

78.7%

b-factor

0.5

EUR

3,476 BBL

R-squared

0.409

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5MCCAULEY PRODUCTION27,0002011-02-03
4DIAMOND OPERATING, LLC16,5002008-09-17
EOF // data source: Texas Railroad Commission // 2026