SHACKELFORD E39A

Oil · District 08 · Lease #52811

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

268k BBL

Cum Gas

2.2M MCF

casinghead

Wells

1

Production

2019-09 — 2026-04

Peak Month

2019-10

Production History

Cum Oil: 267,655 BBL Cum Gas: 2,174,698 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

34,121 BBL/mo

Di (annual)

325.2%

b-factor

0.5

EUR

249,543 BBL

R-squared

0.951

type

hyperbolic

Operator History (from monthly production reports)

2019-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 83 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.110,6002019-02-11