SHACKELFORD W39C

Oil · District 08 · Lease #52777

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

307k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2019-08 — 2026-04

Peak Month

2019-09

Production History

Cum Oil: 307,168 BBL Cum Gas: 1,606,447 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,713 BBL/mo

Di (annual)

132.3%

b-factor

0.2

EUR

291,650 BBL

R-squared

0.905

type

hyperbolic

Operator History (from monthly production reports)

2019-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 84 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.110,6002019-02-11