COX, X. B. "A"

Oil // district 9 // lease#14086

op: PIONEER NATURAL RES. USA, INC.

cum_oil

46k BBL

cum_gas

0 MCF

wells

8

production

1995-11 — 2026-03

peak_month

1997-10

-- production_history

cum_oil: 45,821 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

206 BBL/mo

Di (annual)

4.5%

b-factor

0.0

EUR

48,938 BBL

R-squared

0.319

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10STANDARD OIL PRODUCTION COMPANY18,6001988-09-26
11STANDARD OIL PRODUCTION COMPANY18,6001988-09-26
3TEX/CON OIL & GAS COMPANY28,6001988-09-12
4STANDARD OIL PRODUCTION COMPANY18,6001988-09-12
9STANDARD OIL PRODUCTION COMPANY18,6001988-09-12
142-173-00926--------
5W42-173-00862--------
642-173-00863--------
EOF // data source: Texas Railroad Commission // 2026