NEAL RANCH "57"

Oil · District 7C · Lease #15838

Operator: TERRACE PETROLEUM CORPORATION

Cum Oil

1.1M BBL

Cum Gas

2.7M MCF

casinghead

Wells

16

Production

2005-07 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 1,073,277 BBL Cum Gas: 2,660,687 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,436 BBL/mo

Di (annual)

21.3%

b-factor

0.4

EUR

727,129 BBL

R-squared

0.725

type

hyperbolic

Operator History (from monthly production reports)

2010-01 — 2026-07 COG OPERATING LLC 199 mo
2005-07 — 2009-12 TERRACE PETROLEUM CORPORATION 54 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12COG OPERATING LLC112,0002012-03-13
13COG OPERATING LLC112,0002011-11-17
14COG OPERATING LLC111,5002011-08-12
11COG OPERATING LLC112,0002011-06-29
10COG OPERATING LLC112,0002011-06-17
16COG OPERATING LLC112,0002011-03-09
15COG OPERATING LLC112,0002011-03-08
9COG OPERATING LLC112,0002011-02-14
8COG OPERATING LLC111,0002010-08-24
7COG OPERATING LLC110,8002010-07-20
5COG OPERATING LLC110,8002006-08-03
6COG OPERATING LLC110,8002006-08-03
4COG OPERATING LLC111,0002006-03-16
3COG OPERATING LLC111,0002006-03-15
2COG OPERATING LLC111,0002005-09-20
1COG OPERATING LLC111,0002005-05-05