RICHARDS, D.E. "D"

Oil // district 10 // lease#24861

op: PIONEER NATURAL RES. USA, INC.

cum_oil

199k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2013-05

-- production_history

cum_oil: 199,428 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,324 BBL/mo

Di (annual)

209.6%

b-factor

1.2

EUR

189,269 BBL

R-squared

0.803

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PARSLEY ENERGY OPERATIONS, LLC111,8002016-03-14
3PARSLEY ENERGY OPERATIONS, LLC113,0002013-01-22
2PARSLEY ENERGY OPERATIONS, LLC113,0002012-10-30
1PARKER & PARSLEY, INC.19,0001977-10-24
EOF // multi-state drilling data platform // 2026