We are approved by all of the major classification agencies to provide the inspection services below on all mobile offshore and onshore drilling rigs:

1. Derrick inspection

we provide inspections for derrick per API RP 4G guidelines – which are the recommended practices for use and procedure for inspection, maintenance, and repair of drilling and well-servicing structures. Qualified personal will carry out the inspection (Category III) survey in line with API RP 4G. inspection focuses on load-bearing components and members to determine the condition of mast/derrick and substructure. A comprehensive report as per the template of API RP 4G is prepared and submitted to the client with recommendations.

2.Dropped objects prevention

We can help prevent a potential dropped object from becoming another unwelcome safety statistic by conducting a detailed dropped object survey of hazardous areas. We are all committed to preventing harm to personnel and damage to equipment from dropped objects.

3. rig survey and certification (Certificate of Fitness / COF)

Our rig inspection services can help you optimize your drilling rig or provide you with an in-depth indication of the technical state of the drilling rig you intended to hire.

Our inspection services cover:

  • Full rig condition survey
  • Dropped-objects survey
  • Main & Auxiliary equipment
  • Mud systems
  • Cranes and hoisting systems
  • Well control equipment
  • Marine and safety equipment
  • Rig acceptance and safety surveys
  • Reviewing of certification, ensuring conformance on critical good control and drilling equipment
  • Reviewing of NDT reports and lifting databases
  • Reviewing past audits and updates on the status of action items

4. Casing and tubing inspection services

Inspection of used and brand new casing or tubing is carried out by API Spec 5CT, API RP 5A5, and API RP 5A3. The general scope shall include:

  • OD Blasting
  • ID Cleaning
  • Spot Wall Thickness Measurements
  • Grade Sorting
  • EMI on Body-Tubing
  • Visual Thread Inspection
  • Full-Length Drifting
  • Ultrasonic test on slip and upset area
  • Black Light Inspection on Connection
  • Hydraulic Pressure Testing

5. Drill pipe and BHA inspection services

Drill pipe and Bottom Hole Assembly (BHA) inspections are carried out as per the latest editions of API and DS-1 (category 3 to 5) guidelines, includes the services below:

  • Visual Inspection
  • Thread Gauging
  • Magnetic Particle Inspection (upset)
  • Dimensional Inspection
  • EMI on Body-Tubing
  • Black-light inspection on connection
  • Ultrasonic test on slip and upset area
  • Ultrasonic wall thickness
  • Hydraulic Pressure Testing
  • BHA inspections services include:
  • Visual Inspections
  • Thread Gauging
  • Wet and Dry Magnetic Particle Inspection
  • Dimensional Inspection
  • Ultrasonic test on body
  • Function test witnessing

6. Lifting gear inspection services

asco can inspect, test, and certify all types of lifting appliances on location. These surveys provide a comprehensive register and database of all hoisting and lifting equipment on a drilling rig and include both fixed and loose lifting gears. All the equipment is inspected to the latest standards of API / BS and manufacturers guidelines wherever applicable.

  • Visual Inspection
  • Magnetic Particle Inspection
  • Dye Penetrant Inspection
  • Eddy Current Testing Ultrasonic Testing
  • Radiography Test and Radiography Test Interpretation