ROBBINS "1"

Oil // district 9 // lease#17739

op: PIONEER NATURAL RES. USA, INC.

cum_oil

288k BBL

cum_gas

0 MCF

wells

3

production

2011-11 — 2026-03

peak_month

2013-03

-- production_history

cum_oil: 288,179 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,526 BBL/mo

Di (annual)

29.0%

b-factor

0.3

EUR

262,619 BBL

R-squared

0.531

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA, INC.110,4002012-08-09
2PIONEER NATURAL RES. USA, INC.110,0002011-11-18
1PIONEER NATURAL RES. USA, INC.110,0002011-07-29
EOF // multi-state drilling data platform // 2026