YORK, J. D. ESTATE

Oil // district 9 // lease#12012

op: PIONEER EXPLORATION, LTD.

cum_oil

21k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2014-02

peak_month

1993-03

-- production_history

cum_oil: 20,816 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

307 BBL/mo

Di (annual)

17.4%

b-factor

0.0

EUR

21,178 BBL

R-squared

0.534

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7PETRUS OPERATING CO., INC.15,5001986-06-04
5BURGER, F.W. INC.14,4501985-05-24
4BURGER, F.W. INC.14,2501984-11-01
3BURGER, F.W. INC.14,2001984-06-18
2BURGER, F.W. INC.14,4001983-11-03
EOF // data source: Texas Railroad Commission // 2026