Rig Surveys Throughout the operating life of a drilling rig, components can fatigue and systems fail, leading to dangerous conditions for personnel and the environment. petrohouse is able to offer a comprehensive rig survey (onshore or offshore) to provide clients the reassurance of a fully functioning and safe drilling rig. Our rig inspection services cover all stages of a rig's life, from construction thought to commissioning and operations. The exact scope of our rig surveys is dependent on client specifications, however a typical survey package may include: Derrick Inspection (API 4F) Dropped Object Survey, Special Periodic Survey (ABS) Hull Thickness Survey (ABS) Lifting Equipment Survey (LOLER) Alignment Survey Safety & Emergency Systems Assessment Control Systems Assessment Throughout the process, our inspectors review and ensure conformity to relevant codes, manufacturer's recommendations and legislation. Our final reports provides a detailed breakdown of a rig's condition, which includes highlighting high-risk areas of concern where immediate maintenance is required. Should you require further information regarding our rig survey services, please contact petrohouse by emailing