GOLLADAY -F-

Oil // district 10 // lease#26153

op: PIONEER NATURAL RES. USA, INC.

cum_oil

41k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2000-06

peak_month

1993-05

-- production_history

cum_oil: 40,773 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

775 BBL/mo

Di (annual)

13.8%

b-factor

0.0

EUR

67,470 BBL

R-squared

0.595

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PARKER & PARSLEY, INC.14,1501984-12-13
1PARKER & PARSLEY, INC.14,5001980-08-22
EOF // data source: Texas Railroad Commission // 2026