Successful Cementing: Best Practices Course Examination

Cementing Practices Pre-Course Examination

The following questions are to be answered True or False.

1) API Class cements have only chemical specifications. T or F

2) The water content is the same for all Classes of API cements. T or F

3) The universal API Class cement is API Class G. T or F

4) There are only three (3) API Class cements. T or F

5) Thickening time tests are normally run using the Bottomhole Static Temperature as a test temperature. T or F

6) Compressive strength tests are run using the Bottomhole Static Temperature as the test temperature. T or F

7) Fluid loss tests are always run at room temperature. T or F

8) The Fann (viscosity) properties are normally run at room temperature and Bottomholre Circulating Temperature (up to 190F). T or F

9) The Free Water test is always run at room temperature and at the vertical. T or

10) Water is the most widely used material in the industry to design lightweight cement slurries. T or F

11) Salt (NaCl) always retards the thickening time of cement slurry. T or F

12) The most common additive used in well cementing to accelerate the thickening time of a cement slurry at low temperatures is Calcium Chloride. T or F

13) Retarders always increase the viscosity of the cement slurry. T or F

14) Fluid loss additives are only used to design slurries for squeeze cementing. T or F

15) Barite is the most widely used additive to increase the density of the cement slurry when abnormal pressures are encountered. T or F

16) There is only one additive that can be used in the cement slurry for control gas migration. T or F

17) A single cement slurry design is normally used for cementing surface, intermediate, and long casing strings. T or F

18) The well depth has no effect on the cement slurry design when considering the thickening time of the slurry. T or F

19) Stage cementing is a consideration when long columns of cement are required to be placed. T or F

20) Spacers should always be at least equal to the density of the drilling fluid being displaced during the cementing operation. T or F

21) When performing a squeeze job the fracture will always be horizontal. T or F

22) Most formation rock will allow you displace cement slurry into the rock permeability. T or F

23) The most successful squeeze slurry designs always have a fluid loss of less than 50 cc/30 minutes. T or F

24) Cement slurries designed for setting cement plugs should always contain sand to give a successful kickoff. T or F

25) Plug cement slurries should be designed with a short thickening time. T or F

26) The cement shoe is always has a float-type insert. T or F

27) All centralizers used in field application meet the API specifications. T or F

28) There is an API specification for float equipment. T or F