SHACKELFORD E39C

Oil · District 08 · Lease #52947

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

251k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2019-09 — 2026-04

Peak Month

2019-10

Production History

Cum Oil: 250,607 BBL Cum Gas: 1,626,151 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,266 BBL/mo

Di (annual)

431.5%

b-factor

0.6

EUR

236,706 BBL

R-squared

0.980

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
103HPIONEER NATURAL RES. USA, INC.110,6002019-02-11