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Oil // district 10 // lease#26086

op: PIONEER NATURAL RES. USA, INC.

cum_oil

278k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

2014-09

-- production_history

cum_oil: 277,929 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,244 BBL/mo

Di (annual)

34.1%

b-factor

0.0

EUR

184,343 BBL

R-squared

0.728

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHENANDOAH PETROLEUM CORPORATION29,5002018-09-18
10PIONEER NATURAL RES. USA, INC.111,8002014-02-26
8PIONEER NATURAL RES. USA, INC.211,8002012-08-03
7PIONEER NATURAL RES. USA, INC.111,8002012-07-31
6PIONEER NATURAL RES. USA, INC.111,8002012-06-05
5PIONEER NATURAL RES. USA, INC.111,8002012-06-04
3COX, JOHN L.19,5001980-12-31
2COX, JOHN L.19,5001980-11-10
EOF // data source: Texas Railroad Commission // 2026