JOHNSTON RANCH

Oil · District 01 · Lease #17738

Operator: TRINITY OPERATING (USG), LLC

Cum Oil

600k BBL

Cum Gas

34k MCF

casinghead

Wells

12

Production

2013-11 — 2026-04

Peak Month

2015-01

Production History

Cum Oil: 599,706 BBL Cum Gas: 33,749 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,573 BBL/mo

Di (annual)

31.7%

b-factor

0.0

EUR

248,575 BBL

R-squared

0.366

type

exponential

Operator History (from monthly production reports)

2023-10 — 2026-07 FLINT OAK ENERGY, LLC 34 mo
2018-02 — 2023-09 TRINITY OPERATING (USG), LLC 68 mo
2013-11 — 2018-01 TEXAS AMERICAN RESOURCES COMPANY 51 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11HFLINT OAK ENERGY, LLC16,3082014-08-07
14HFLINT OAK ENERGY, LLC16,1032014-08-07
16HFLINT OAK ENERGY, LLC16,4832014-08-07
13HFLINT OAK ENERGY, LLC16,3322014-05-05
15HFLINT OAK ENERGY, LLC16,3022014-05-05
10HFLINT OAK ENERGY, LLC26,2722014-03-10
9HFLINT OAK ENERGY, LLC16,4872014-03-08
7HFLINT OAK ENERGY, LLC16,4612014-03-07
8HFLINT OAK ENERGY, LLC26,1412014-02-14
6HFLINT OAK ENERGY, LLC16,2112013-11-20
5HFLINT OAK ENERGY, LLC16,3872013-10-01
3HFLINT OAK ENERGY, LLC16,3152013-09-24