We offer full API derrick inspections in line with API-recommended practice API-RP-4G . It has established four categories for drilling and well servicing structure inspections and sets forth personnel qualifications for these inspections.

• CATEGORY I :  Inspection are carried out by general rig personnel conducting daily observation of the mast/derrick and substructure during operation to determine indications of inadequate performance.
• CATEGORY II:  Inspection are performed by personnel having adequate experience and knowledge in masts/derricks.
• CATEGORY III:  Inspectors are in possession of a recognized degree, certificate, or professional standing, or who by knowledge, training, or experience have successfully demonstrated the ability to resolve problems related to the subject matter or work in question.
• CATEGORY IV:  Inspections are closely supervised by a professional engineer, original equipment manufacturer representative or other manufacturer of drilling structures’ authorized representative.