GUITAR SOUTH '4-7'

Oil // district 10 // lease#49663

op: PIONEER NATURAL RES. USA, INC.

cum_oil

357k BBL

cum_gas

0 MCF

wells

1

production

2017-07 — 2026-03

peak_month

2018-01

-- production_history

cum_oil: 357,090 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,206 BBL/mo

Di (annual)

23.3%

b-factor

0.0

EUR

319,020 BBL

R-squared

0.450

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4213HDE OPERATING LLC18,5002017-04-26
EOF // data source: Texas Railroad Commission // 2026