NivaarExam Prep

24-Pet-A4 Oil and Gas Well Drilling and Completion

Worked solutions to 5 past sittings (2013–2018), 25 questions. Pick a sitting, or start from a topic below.

Topics across the sittings

Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.

Questions by sitting

May 2018

  1. Question 1: Hoisting System — Maximum Depth and Hoisting Speed
  2. Question 2: Well Control — Driller's Method
  3. Question 3: Bourgoyne & Young Drilling-Rate Model
  4. Question 4: Tapered Drill-String Design
  5. Question 5: Directional Drilling — Dogleg Severity and Tool Face

May 2016

  1. Question 1: Hoisting System — Maximum Drilling Depth
  2. Question 2: Bit Selection by Cost per Foot
  3. Question 3: Well Control — Engineer's Method
  4. Question 4: Drill String Design
  5. Question 5: Directional Trajectory Correction

May 2015

  1. Question 1: Production Casing Design
  2. Question 2: Mud Pump Liner Selection for Cuttings Transport
  3. Question 3: Weighting Up Drilling Fluid with Barite
  4. Question 4: Bit Hydraulics — Maximum Bit Hydraulic Horsepower
  5. Question 5: Well Control — Engineer's Method

December 2014

  1. Question 1: Rig Selection and Drilling Line Sizing
  2. Question 2: Bit Hydraulics — Maximum Bit Hydraulic Horsepower
  3. Question 3: Production Casing Design
  4. Question 4: Well Control — Driller's Method
  5. Question 5: Bit Economics — Run the Used Bit or a New One?

May 2013

  1. Question 1: Minimum Drilling Line Size
  2. Question 2: Mud Level Drop While Tripping Dry and the Onset of a Kick
  3. Question 3: Bit Selection by Minimum Drilling Cost per Foot
  4. Question 4: Circulating Bottomhole Pressure, Fracture Safety and Bit Nozzle Sizing
  5. Question 5: Production Casing Design — Burst, Collapse and Tensile