Permit Information Tracking System

An internal multi-step permit workflow system designed to replace fragmented manual handoffs with real-time audit logs, PDF/CSV export pipelines, and operational activity tracking.

My role: Digitalization & Automation Engineer
Organization: PetroChina International Jabung Ltd.

Original public archiveExplore the case

PetroChina permit information tracking interface — Archive artifact / 01
Artifact note: this interface screenshot contains a 2024 copyright footer. The portfolio records the associated project engagement in 2026.

01 Context

The environment

Cross-functional permit processing in complex energy operations involves strict safety, environmental, and administrative compliance stages that previously relied on slow, manual document chains.

02 Problem

The human problem

Field personnel and compliance officers suffered from zero status visibility, delayed approvals, and high risk of compliance errors when routing paper permits across multiple review teams.

03 System

The contribution

Engineered a structured multi-step digital workflow engine with role-based access control, automated state transitions, audit logging, and bulk PDF/CSV export for operational reporting.

Hugo at PetroChina International Jabung — Archive artifact / 02

04 Recorded technology

Tools of the trade

Python
FastAPI
PostgreSQL
Next.js
Docker
Role-Based Access Control
PDF/CSV Generators

02 / Evidence & boundaries

What this evidence means

This page preserves a public professional or research case study. Screenshots and descriptions belong to that archive. Interactive tools and synthetic business demonstrations elsewhere on this site are newly built portfolio work; they do not recreate an employer’s internal data or independently prove historical outcomes.

Reported outcomes

Historical figures below are reported by the portfolio author and preserved from the original case study. They have not been independently validated and are not benchmarks of the new demonstrations.

Digital Audit Trail: 100%
Automated Approval Stages: Multi-Step

Public case study Figures: author-reported

03 / Continue exploring

Separate, portfolio-native demonstrations with synthetic data. Their behavior can be inspected directly; they are not the original employer systems.

Explore the systemPermits & approvals

A checklist, an independent decision, a visible trail.

Open the toolMake PDFs behave.

Combine, extract, rotate, and rearrange pages. Your originals stay yours.

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