WELCH TRUST 13

Oil · District 7C · Lease #18963

Operator: PARSLEY ENERGY OPERATIONS, LLC

Cum Oil

46k BBL

Cum Gas

245k MCF

casinghead

Wells

2

Production

2014-11 — 2026-04

Peak Month

2014-12

Production History

Cum Oil: 46,224 BBL Cum Gas: 244,769 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,040 BBL/mo

Di (annual)

60.9%

b-factor

0.1

EUR

44,617 BBL

R-squared

0.735

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2017-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 91 mo
2014-11 — 2017-05 PARSLEY ENERGY OPERATIONS, LLC 31 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC111,5002014-09-02
1DIAMONDBACK E&P LLC111,3002014-04-12