HINKSON

Oil // district 8 // lease#26688

op: UPHAM OIL & GAS COMPANY

cum_oil

198k BBL

cum_gas

0 MCF

wells

10

production

1993-01 — 2026-03

peak_month

1998-04

-- production_history

cum_oil: 198,490 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,657 BBL/mo

Di (annual)

42.6%

b-factor

0.1

EUR

83,026 BBL

R-squared

0.784

type

hyperbolic

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17UPHAM OIL & GAS COMPANY25,0002010-12-09
7702UPHAM OIL & GAS COMPANY24,5002009-12-07
16UPHAM OIL & GAS COMPANY24,5002008-11-17
10UPHAM OIL & GAS COMPANY24,5002008-11-03
13UPHAM, CHESTER R., JR.14,5001996-03-13
12UPHAM, CHESTER R., JR.14,5001995-09-14
11UPHAM, CHESTER R., JR.14,5001995-05-02
4UPHAM, CHESTER R., JR.23,9001994-02-28
6UPHAM, CHESTER R., JR.14,5001993-08-04
3UPHAM, CHESTER R., JR.13,9001991-10-09
EOF // data source: Texas Railroad Commission // 2026