PUTNAM, T.R.

Oil // district 8 // lease#8575

op: STUBBLEFIELD ENERGY COMPANY

cum_oil

23k BBL

cum_gas

0 MCF

wells

14

production

1993-01 — 2026-03

peak_month

2003-11

-- production_history

cum_oil: 23,054 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

661 BBL/mo

Di (annual)

353.2%

b-factor

0.5

EUR

4,330 BBL

R-squared

0.502

type

hyperbolic

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NSTUBBLEFIELD ENERGY COMPANY18001994-11-29
108STUBBLEFIELD ENERGY COMPANY21,0001993-08-26
111MID-TEX ENERGY INC.11,0001984-09-06
104MID-TEX ENERGY INC.11,0001984-06-27
105MID-TEX ENERGY INC.11,0001984-06-27
106MID-TEX ENERGY INC.11,0001984-06-27
101MID-TEX ENERGY INC.11,5001984-02-22
103MID-TEX ENERGY INC.11,5001984-02-22
18B. J. & R. OIL COMPANY11,0001981-11-16
13STUBBLEFIELD ENERGY COMPANY21,0001977-10-31
1142-447-30798--------
242-447-05130--------
342-447-80907--------
642-447-30554--------
EOF // data source: Texas Railroad Commission // 2026