1. Preparing well data sheets;
2. Designing and selecting well-head equipment;
3. Drawing up drilling programmes, taking account of desired production flow rates;
4. Obtaining relevant data, carrying out engineering analysis on site and recommending necessary actions and writing up reports;
5. Monitoring the daily progress of well operations;
6. Keeping track of current daily costs, comparing actual costs with expenditure proposals and recommending cost-effective changes;
7. Liaising with specialist contractors and suppliers, such as cement companies or suppliers of drilling fluids;
8. Monitoring safety and ensuring the good maintenance of the well;
9. Adhering to environmental protection standards, in some cases through direct discussion with local governments to ensure compliance with legislative requirements;
10. Establishing and administering drilling and service contracts;
11. Coordinating and supervising the work of the drilling team;
12. Undertaking engineering design and the planning of wells (including development work);
13. Designing directional well paths (horizontally or multi-laterally, as appropriate);
14. Managing operations on behalf of small clients;
15. Contributing to conceptual field development design;
16. Working with multidisciplinary professionals to evaluate the commercial viability of the well and monitor progress during drilling;
17. Returning the site to its natural environmental setting if drilling is not to be pursued.