< leases

MARY LANE

Oil · District 08 · Lease #44667

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

76k BBL

Cum Gas

48k MCF

casinghead

Wells

4

Production

2013-04 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 75,555 BBL Cum Gas: 47,689 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,766 BBL/mo

Di (annual)

124.4%

b-factor

1.4

EUR

110,517 BBL

R-squared

0.721

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-01 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 72 mo
2017-06 — 2018-12 PETROLEGACY ENERGY II, LLC 19 mo
2013-04 — 2017-05 PIONEER NATURAL RES. USA, INC. 50 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-317-39247DIAMONDBACK E&P LLC111,2502014-03-24
342-317-38960DIAMONDBACK E&P LLC211,2502013-11-06
242-317-38688DIAMONDBACK E&P LLC112,1302013-05-29
142-317-38306DIAMONDBACK E&P LLC112,1002012-12-05