CALVERLEY 27

Oil · District 08 · Lease #22943

Operator: RSP PERMIAN, LLC

Cum Oil

175k BBL

Cum Gas

722k MCF

casinghead

Wells

9

Production

1993-01 — 2019-10

Peak Month

2015-06

Production History

Cum Oil: 174,878 BBL Cum Gas: 722,233 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,327 BBL/mo

Di (annual)

104.5%

b-factor

0.1

EUR

67,998 BBL

R-squared

0.661

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2024-05 COG OPERATING LLC 70 mo
2014-09 — 2018-07 RSP PERMIAN, LLC 47 mo
2003-10 — 2014-08 JM COX RESOURCES, L.P. 131 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7DIAMONDBACK E&P LLC112,0002014-10-29
1ADIAMONDBACK E&P LLC112,0002014-10-08
3ACOG OPERATING LLC112,0002014-10-08
6DIAMONDBACK E&P LLC19,0001997-06-23
5COG OPERATING LLC19,0001985-03-18
4DIAMONDBACK E&P LLC19,0001984-10-04
142-173-30101COG OPERATING LLC------
242-173-30129COG OPERATING LLC------
342-173-30165COG OPERATING LLC------