JEFFS

Oil · District 7C · Lease #16829

Operator: MARINER ENERGY, INC.

Cum Oil

138k BBL

Cum Gas

929k MCF

casinghead

Wells

4

Production

2008-09 — 2026-02

Peak Month

2013-03

Production History

Cum Oil: 138,014 BBL Cum Gas: 929,023 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,206 BBL/mo

Di (annual)

42.9%

b-factor

0.3

EUR

87,284 BBL

R-squared

0.756

type

hyperbolic

Operator History (from monthly production reports)

2023-12 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 32 mo
2021-08 — 2023-11 HIBERNIA RESOURCES III, LLC 28 mo
2010-12 — 2021-07 APACHE CORPORATION 128 mo
2008-09 — 2010-11 MARINER ENERGY, INC. 27 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CIVITAS PERMIAN OPERATING, LLC210,3002013-02-05
2CIVITAS PERMIAN OPERATING, LLC210,3002013-02-05
3CIVITAS PERMIAN OPERATING, LLC210,5002012-07-10
4CIVITAS PERMIAN OPERATING, LLC210,5002012-07-10