Problems
Explore engineering problems
Find a problem by discipline, difficulty or the skill you want to practise. Short problems are graded the moment you submit. Scenarios run over a few hours and are graded at the debrief.
Showing 37 of 37Difficulty
- 1.Bottomhole hydrostatic pressureNo sign-upDrilling · 5 minEasy
- 2.Maximum mud weight before losses at the shoeDrilling · 10 minEasy
- 3.Kick tolerance for a 12¼ in sectionDrilling · 25 minMedium
- 4.Stuck pipe: differential or mechanical?Drilling · 25 minMedium
- 5.Torque and drag on a 3D directional wellDrilling · 45 minHard
- 6.Volumetric STOIIPNo sign-upReservoir · 5 minEasy
- 7.Volumetric STOIIP with P10, P50 and P90Reservoir · 10 minEasy
- 8.Material balance: is there an aquifer?Reservoir · 25 minMedium
- 9.Why did DB-7 drop? Thief zone or well?Reservoir · 25 minMedium
- 10.History-match a five-spot waterfloodReservoir · 45 minHard
- 11.Productivity index from a well testNo sign-upProduction · 5 minEasy
- 12.Productivity index from a stabilised testProduction · 10 minEasy
- 13.Find the operating point with nodal analysisProduction · 25 minMedium
- 14.Gas lift valve spacing for an unloading wellProduction · 45 minHard
- 15.Size an ESP for a 90% water-cut wellProduction · 45 minHard
- 16.Choose sand control for a weak sandstoneCompletions · 25 minMedium
- 17.Perforation strategy for a layered reservoirCompletions · 25 minMedium
- 18.Tubing stress check during a fracCompletions · 45 minHard
- 19.Archie water saturationNo sign-upPetrophysics · 5 minEasy
- 20.Archie water saturation in a clean sandPetrophysics · 10 minEasy
- 21.Pick net pay from a gamma, density, neutron suitePetrophysics · 25 minMedium
- 22.Reconcile core and log porosityPetrophysics · 45 minHard
- 23.Size a two-phase separatorFacilities & flow assurance · 25 minMedium
- 24.Hydrate risk on a cold subsea tiebackFacilities & flow assurance · 25 minMedium
- 25.Wax appearance and pigging frequencyFacilities & flow assurance · 45 minHard
- 26.Draw the barrier diagram for a suspended wellWell integrity · 10 minEasy
- 27.Sustained casing pressure: which annulus?Well integrity · 25 minMedium
- 28.Read a cement bond log before abandonmentWell integrity · 45 minHard
- 29.Contour a structure map from well topsGeoscience · 10 minEasy
- 30.Fault seal: will the trap hold?Geoscience · 25 minMedium
- 31.Depositional environment from a core photoGeoscience · 25 minMedium
- 32.NPV of an infill well at $60 oilEconomics & reserves · 10 minEasy
- 33.Book reserves under PRMSEconomics & reserves · 25 minMedium
- 34.Farm-in: what is a 30% stake worth?Economics & reserves · 45 minHard
- 35.Clean a production dataset with gaps and unitsData & Python · 10 minEasy
- 36.Fit decline curves to 200 wells at onceData & Python · 25 minMedium
- 37.Flag a drifting downhole gaugeData & Python · 45 minHard