RIG INSPECTION AND REFURBISHMENT
At Calogeron, we ensure the structural integrity, operational efficiency, and regulatory compliance of offshore and onshore drilling rigs through our comprehensive Rig Inspection and Refurbishment services. Our specialized solutions are tailored to minimize Non-Productive Time (NPT), enhance safety, and extend the service life of critical drilling assets.

Our inspection processes adhere to API, IADC, OEM, and Class Society standards, ensuring compliance with industry best practices. We implement rigorous condition assessments, predictive maintenance strategies, and lifecycle management frameworks to optimize performance and reliability.

Our Expertise Includes:

Rig Selection and Evaluation – Technical assessment and suitability analysis based on operational requirements and regulatory standards.
Rig Pre-Hire Inspection – Comprehensive audits covering structural integrity, BOP systems, well control equipment, and mechanical/electrical systems to ensure readiness.
Rig Acceptance and Commissioning – End-to-end validation of rig systems, including function testing, load-path verification, and compliance with API 54, API 53, and IADC checklists.
Annual Rig Condition Surveys – In-depth inspections to evaluate structural soundness, safety systems, and equipment performance, ensuring compliance with API RP 4G, API RP 8B, and API RP 8C.
API 4G Derrick/Mast & Substructure Inspection – Category I, II, III, and IV inspections covering visual assessments, NDT techniques, load testing, and fatigue analysis to detect structural defects.
Dropped Object Prevention Survey (DROPS) – Systematic evaluation of rig components, securing mechanisms, and hazard mitigation strategies to prevent potential falling-object incidents.
Rig Refurbishment & Upgrades – Full-scale refurbishment services including structural reinforcements, mechanical/electrical system overhauls, and rig recertification in accordance with OEM and classification society requirements (ABS, DNV, Lloyd’s Register).
At Calogeron, our technical team leverages decades of expertise and industry best practices to deliver high-quality inspection and refurbishment solutions that align with our clients’ operational goals. Whether ensuring regulatory compliance, optimizing performance, or extending asset life, our services are designed to support the safe and efficient operation of drilling rigs across all environments.

WELL CONTROL EQUIPMENT SERVICES
Calogeron together with our technical partners specializes in providing comprehensive solutions for the petroleum and natural gas industries. With decades of experience, our expertise encompasses the maintenance and testing of well control equipment, ensuring safety and minimizing downtime.

We carry out the following:
Maintenance, Testing, Inspection, Recertification, Repair, Replacement and Pressure Testing to simulate field conditions, ensuring equipment integrity on the following equipment:

Ram type and annular preventers (BOPs)
Standpipe manifold
Kill line manifold
Accumulator unit
Mud gas separator
Choke manifold and other well control equipment
Our expertise and commitment to quality ensure that your equipment operates reliably and efficiently.