< leases

ROY 1

Oil · District 08 · Lease #40120

Operator: GUIDON ENERGY MGMT SERVICES LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

252k BBL

Cum Gas

597k MCF

casinghead

Wells

4

Production

2010-03 — 2026-04

Peak Month

2011-04

Production History

Cum Oil: 251,897 BBL Cum Gas: 596,555 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,335 BBL/mo

Di (annual)

84.0%

b-factor

1.5

EUR

285,905 BBL

R-squared

0.417

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 DIAMONDBACK E&P LLC 67 mo
2018-12 — 2020-12 GUIDON ENERGY MGMT SERVICES LLC 25 mo
2018-04 — 2018-11 BIRCH OPERATIONS, INC. 8 mo
2012-12 — 2018-03 BREITBURN OPERATING L.P. 64 mo
2010-03 — 2012-11 CROWNQUEST OPERATING, LLC 33 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-317-38883DIAMONDBACK E&P LLC112,0002013-10-25
342-317-38882DIAMONDBACK E&P LLC112,0002013-10-02
242-317-36260DIAMONDBACK E&P LLC212,0002010-09-10
142-317-35804DIAMONDBACK E&P LLC212,0002010-01-19