HELEN

Oil · District 8A · Lease #68122

Operator: TRAIL MOUNTAIN, INC.

Cum Oil

2.2M BBL

Cum Gas

202k MCF

casinghead

Wells

19

Production

1999-09 — 2026-04

Peak Month

2017-10

Production History

Cum Oil: 2,196,920 BBL Cum Gas: 201,818 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,068 BBL/mo

Di (annual)

35.8%

b-factor

0.4

EUR

1,126,177 BBL

R-squared

0.977

type

hyperbolic

Operator History (from monthly production reports)

2025-08 — 2026-07 R3 OPERATING CORPORATION 12 mo
2025-04 — 2025-07 T2 OPERATING CORPORATION 4 mo
2014-08 — 2025-03 BOAZ ENERGY II OPERATING, LLC 128 mo
1999-09 — 2014-07 TRAIL MOUNTAIN, INC. 179 mo

Wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12R3 OPERATING CORPORATION28,5002019-11-12
20R3 OPERATING CORPORATION28,0002017-08-18
19R3 OPERATING CORPORATION18,0002017-04-04
17R3 OPERATING CORPORATION28,2102017-02-21
18R3 OPERATING CORPORATION18,0002017-02-21
16R3 OPERATING CORPORATION18,0002016-06-29
15R3 OPERATING CORPORATION18,2002015-10-12
13R3 OPERATING CORPORATION18,5002014-09-29
14R3 OPERATING CORPORATION18,5002014-09-29
10R3 OPERATING CORPORATION18,5002014-09-25
11HR3 OPERATING CORPORATION18,0002007-06-08
9R3 OPERATING CORPORATION18,0002005-01-11
8R3 OPERATING CORPORATION18,0002004-11-19
7R3 OPERATING CORPORATION18,0002003-12-29
6R3 OPERATING CORPORATION18,5002001-04-19
5R3 OPERATING CORPORATION18,5002000-05-31
4R3 OPERATING CORPORATION18,3002000-02-16
3R3 OPERATING CORPORATION28,3001999-10-11
2R3 OPERATING CORPORATION38,3001998-01-20