Frequently Asked Questions (FAQs) Specific Programme Chapters • • • General Categories • • • • Please contact if you you have any questions which are not covered by our FAQs page. Drilling Engineering Course FAQs Drilling Engineering Exam • There are generally 20-30% of the total marks for the calculations. Since the calculations are relatively straightforward (no tricks) it is wise to practise the calculations in the manual. • Always draw a diagram and annotate the diagram for the calculations and ensure that all of the working for the calculation is shown clearly so that marks can be given for the principles being demonstrated, if a simple calculation error is made. • Use annotated diagrams throughout the script where appropriate - these can convey a great deal of information. • Do not try to write long essay type answers. Use bulleted lists and short paragraph statements in your answers. ![]() Free PDF ebooks (user's guide, manuals, sheets) about Heriot watt university drilling engineering pdf ready for download. ![]() ![]() The most important part of the answer is the factual content. • Distribute time according to the marks i.e. Spend 20% of the time on questions with 20% of the marks. At least start every one of the number of questions which you are required to answer. It is easier to get the first few marks for a question than it is to get the last few marks (i.e. Easier to get the first 3/8 than to get between 5/8 to 8/8). • Oilfield units will be used throughout the paper - as in examples in the manual and former exams. Rig Components • The equations for Work Done and Pu **************************8 exam paper if required - you do not have to memorise. Formation Pressures • The equations for 'd' exponent and its associated equations, density of shale cuttings, and for FBP would be given on the exam paper if required - you do not have to memorise. • Knowledge of conversion from psi/ft to ppg would be expected - 0.052. This would be required throughout the paper. Well Control • The equations for kill mudweight etc. Are relatively simple to derive. It is best to calculate these from first principles in the exam. It is easy to make a mistake if you try to memorise the equations. Casing • You will not be required to calculate the tensile loads on casing but you should be able to describe the various sources of tensile loads. • You will not be required to apply the API rated Capacity equations for Burst, Collapse and tensile rating of casing (See Appendix 1). Cement • There will not be any questions on Liner cementing or squeeze cementing operations. • All volumetric capacities (e.g. Casing capacity, annular capacities) will be provided in the exam paper. It will not be necessary to bring or use cementing tables etc. Drilling Fluids • It is not necessary to memorise the precise chemicals used for the treatment of drilling fluids or the details of clay chemistry. A general description of treatment is required only. Hydraulics • The equations for pressure loss throughout the system would be given on the exam paper if required - you do not have to memorise. • Knowledge and reproduction of equations such as generalised Reynolds number and rheological models would be expected. Directional Drilling • The only profile that would be designed is a build and hold trajectory. However note that the calculation of the tangent angle changes if the radius of curvature of the build up section is less than, rather than greater than, the displacement of the target. Directional Surveying • You will only be required to use the average angle method to calculate the position of a survey station. No other technique will be required. However a description of the other techniques may be required. • The equation for DLS would be given on the exam paper if required - you do not have to memorise.
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