SHACKELFORD 10R

Oil · District 08 · Lease #50905

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

363k BBL

Cum Gas

2.1M MCF

casinghead

Wells

1

Production

2018-08 — 2026-04

Peak Month

2020-05

Production History

Cum Oil: 363,248 BBL Cum Gas: 2,086,266 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,265 BBL/mo

Di (annual)

34.1%

b-factor

0.0

EUR

291,110 BBL

R-squared

0.456

type

exponential

Operator History (from monthly production reports)

2018-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 96 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18HPIONEER NATURAL RES. USA, INC.110,7002017-05-26