Group 1 - Offshore oil drilling platforms are complex and expensive structures that play a crucial role in global energy production, with approximately one-third of oil and gas extraction coming from the ocean, a figure that is increasing annually [4][10][12] - The need for offshore drilling arises from the depletion of land-based oil and gas resources, prompting exploration in deep-sea areas where significant reserves remain [5][9] - Offshore platforms are categorized into three main types based on operational methods and water depth: self-elevating platforms, semi-submersible platforms, and drilling ships or FPSOs [11][21] Group 2 - The operational costs of offshore platforms are extremely high, with some platforms like CNOOC's "Ocean Oil 981" costing over one million RMB per day to operate [13] - Workers typically follow a rotation schedule of one month on and one month off, which poses challenges to their physiological and psychological endurance due to the demanding work environment [14][50] - The work environment on offshore platforms is highly disciplined, resembling a military structure, with strict adherence to safety protocols and regular emergency drills [45][48] Group 3 - Communication with the outside world is limited, with only a satellite phone available for brief daily calls, creating a sense of isolation for workers [51] - Despite the challenges, the platforms offer high-quality meals, with daily meal allowances significantly exceeding those on land, reflecting the need to maintain worker morale [33][32] - The experience of working on an offshore platform is described as a blend of industrial efficiency and philosophical solitude, highlighting the contrast between human industry and the natural environment [54][58]