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Petrochemical drilling operations consists of the most complicated and complex activities specifically from the perspective of occupational safety and health of drilling crew and labour. Because of the involvement of state of the art electrical and mechanical equipment in drilling operations most of the untrained drilling crew are facing critical and life threatening injuries during the handling of high-tech equipments worldwide. Improper and insufficient methods and approaches for the estimation and reorganization of onshore and offshore drilling operations and its associated activities are one of the main reasons for hazardous events and accidents. Therefore, this paper emphasizes and proposes an effective mix-method approach for the identification of hazardous activities and potential hazards for Malaysian, Saudi Arabian and Pakistani onshore and offshore drilling sites by adopting a sequential explanatory research design approach.

The outcome from this hazard determination approach will guide and provide reference to other petrochemical and hands-on industries, including the technical and vocational training sector which is focused on the work integrated learning (WIL). This research will involve the identification of risk factors quantitatively (Survey instrument) and qualitatively (What-If Analysis methodology). According to the overall findings, all drilling operations at onshore and offshore extraction sites are moderately hazardous in all the targeted industries that are associated with safety, ergonomic, chemical and environmental hazards. In this study, challenges which have been faced during data gathering are also indicated as a guide for new industrial researchers to develop sufficient strategies to overcome issues related to the selection of appropriate respondents, data collection approval and instrument validation.

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