Our Services

Comprehensive solutions for pipeline integrity and industrial services

Our Services

Comprehensive Service Portfolio

Detailed overview of our specialised pipeline integrity and maintenance services

Engineering & Technical Pipeline Services

Pipeline Inspection

Advanced inspection technologies ensuring the integrity and safety of your pipeline infrastructure.

Progressive Cleaning Services

Perform online cleaning pigging on pipeline systems by utilizing the existing fluid flow, without interrupting ongoing operations.

Pipeline Precommissioning Services

Activities carried out after pipeline construction is completed to ensure operational readiness, including:

Cleaning Pigging
Gauging Plate Inspection
Water Filling
Hydrostatic Testing
De-watering
Swabbing Pigging
Nitrogen (N₂) Purging and Packing (Dew Point up to -20°C)

Notes:
Tonsco specializes in water filling and de-watering for pipelines with extreme elevation profiles (high & low profile pipelines).

Intelligent Pigging Services

Advanced inspection services to assess internal pipeline conditions with high accuracy:

Caliper / Geometry Pigging
High-resolution multi-channel tools for detecting pipeline deformation
MFL (Magnetic Flux Leakage)
Detects both internal and external metal loss
UT (Ultrasonic Testing)
- Metal loss measurement
- Axial / longitudinal crack detection
- Circumferential crack detection

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Engineering & Technical Pipeline Services

Hot Tapping & Line Stop Plugging

Safe and efficient pipeline modification without shutting down your operations.

Hot Tapping Operations

Create openings on pipelines or tanks while the system remains in operation, without requiring any shutdown. This method is commonly used to install branch connections safely and efficiently.

The process utilizes:

Hot Tap Fitting
Isolation Valve
Hot Tap Machine

Tonsco provides various types of Hot Tap Machines, capable of handling sizes from ½ inch up to 42 inch, ensuring flexibility for different project requirements.

Line Stop Plugging Services

A combination of hot tapping and line stop plugging techniques that allows work to be carried out on active pipelines without interrupting flow.

This service enables:

Valve replacement on existing pipelines
Pipeline replacement
Pipeline engineering and modification works

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Engineering & Technical Pipeline Services

Operation and Maintenance

Reliable construction, welding, and maintenance services to keep your operations running smoothly.

Pipeline Construction

From planning to commissioning, we deliver complete pipeline construction with quality and safety in every step.

Welding Services

Reliable welding solutions for oil & gas projects.

WPS (Welding Procedure Specification) with oil & gas approval
PQR (Procedure Qualification Record)
Certified welding for critical applications

Fabrication Services

Custom fabrication of steel structures and piping components based on your project needs.

Pipeline Maintenance Services

Keep your pipeline in top condition with our maintenance services:

Pipeline pigging maintenance
Pig trap inspection and maintenance
Valve maintenance and inspection
Pipeline repair and replacement
Cathodic inspection

ROW (Right of Way) Maintenance

Maintain safe and clear pipeline routes:

Visual inspection of pipeline and ROW
Land spraying with herbicide
Manual land clearing

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Mechanical Services

Flange Management

Professional flange installation, maintenance, and integrity management services.

Flange Installation

Expert installation ensuring proper alignment and sealing

Torque & Tension Services

Precise bolt tensioning and torque application for leak-free connections

Flange Facing & Repair

On-site machining and repair of damaged flange faces

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Supply & Rental

Supplying Water Pump Services

Reliable pump solutions to support pigging, hydrotesting, and pipeline operations.

Pump Support for Pigging Operations

During pigging operations, additional pumps are often required when pipeline flow rate and pressure are low, ensuring the process runs effectively and smoothly.