SARAH ANN

Oil · District 08 · Lease #41440

Operator: RSP PERMIAN, LLC

Cum Oil

2.0M BBL

Cum Gas

3.2M MCF

casinghead

Wells

18

Production

2011-04 — 2026-04

Peak Month

2016-05

Production History

Cum Oil: 2,047,791 BBL Cum Gas: 3,234,671 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

69,540 BBL/mo

Di (annual)

98.0%

b-factor

0.6

EUR

1,910,732 BBL

R-squared

0.882

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 COG OPERATING LLC 96 mo
2011-04 — 2018-07 RSP PERMIAN, LLC 88 mo

Wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3820LSCOG OPERATING LLC112,0002015-06-03
3817LSCOG OPERATING LLC112,0002015-05-11
3818LSCOG OPERATING LLC112,0002015-05-11
3819LSCOG OPERATING LLC112,0002015-05-11
3813LSCOG OPERATING LLC112,0002014-07-16
3808COG OPERATING LLC112,0002014-04-09
3809COG OPERATING LLC112,0002013-10-03
3811COG OPERATING LLC212,0002013-04-05
3814HCOG OPERATING LLC112,0002013-02-20
3814MSCOG OPERATING LLC112,0002013-02-20
3813WBCOG OPERATING LLC112,0002012-11-28
3812HCOG OPERATING LLC112,0002012-11-06
3807COG OPERATING LLC112,0002012-06-22
3806COG OPERATING LLC112,0002012-04-26
3803COG OPERATING LLC112,0002011-09-28
3804COG OPERATING LLC112,0002011-09-28
3802COG OPERATING LLC112,0002011-05-04
3801COG OPERATING LLC112,0002011-02-09