TXL-SHACKELFORD 37I

Oil · District 08 · Lease #52169

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

534k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

2019-04 — 2026-04

Peak Month

2019-05

Production History

Cum Oil: 534,091 BBL Cum Gas: 1,753,731 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,781 BBL/mo

Di (annual)

172.4%

b-factor

0.7

EUR

592,137 BBL

R-squared

0.900

type

hyperbolic

Operator History (from monthly production reports)

2019-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 88 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.110,5502018-06-26