CALVERLEY 36S

Oil · District 08 · Lease #22021

Operator: RSP PERMIAN, LLC

Cum Oil

157k BBL

Cum Gas

534k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2014-10

Production History

Cum Oil: 156,519 BBL Cum Gas: 534,186 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,270 BBL/mo

Di (annual)

331.8%

b-factor

1.3

EUR

67,362 BBL

R-squared

0.767

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 COG OPERATING LLC 96 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 (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ACOG OPERATING LLC212,0002014-10-28
1ACOG OPERATING LLC112,0002014-03-22
6COG OPERATING LLC18,4001997-06-10
5COG OPERATING LLC19,0001985-03-22
142-173-30037COG OPERATING LLC------
242-173-30049COG OPERATING LLC------
442-173-30068COG OPERATING LLC------