![]() CATEGORIES: BiologyChemistryConstructionCultureEcologyEconomyElectronicsFinanceGeographyHistoryInformaticsLawMathematicsMechanicsMedicineOtherPedagogyPhilosophyPhysicsPolicyPsychologySociologySportTourism |
Label each picture with correct rotary system component and describe its composition.
2.__________________
1.__________
4. ____________
3.
6. ___________________
5.______________ Match the words in the left column with the definitions in the right one. There is one extra definition.
Listen to a top drive system description. Read the questions 1-5 and choose the answer - A,B,C or D - that best suits the information in the text. 1. What rotates the drill string when using a top drive system? A. Rotary table B. Drive shaft C. Guide rails D. Crew members 2. Which of the following is the advantage of the top drive? A. It is cheaper to maintain than a rotary table system. B. It requires less qualification of the driller. C. It reduces drilling time. D. It weights lighter that a kelly assembly. 3. According to the text, what helps a top drive system to prevent hole problems? A. It allows drill string rotation at any hole point due to a wide range of rotating power. B. It allows moving drilling rigs a short distance. C. It allows reducing the number of connections of pipes. D. It allows handling stands of pipes more efficiently. 4. Which of the following was mentioned as a disadvantage of a top drive system? A. It requires an additional weight on a bit. B. The drill string should be constantly maintained. C. A drilling line wears faster. D. It’s difficult to use it in highly deviated holes. 5. Which of the components is NOT included in a top drive system? A. A rotary hose B. An integrated swivel C. A traveling block D. A kelly 14. Lab. assignment: “Rotating Equipment, Mast and Structure”. Date: 2016-01-14; view: 1285
|