1. Thus, chemical gas foamed cement slurry system.

2. These characteristics made oil-base cement slurry have a wide application prospect in oil-stabilization and water-control, oil reservoir protection, EoR and so on.

3. The amounts of cement slurry is the key factor affecting hearing capacity of the piles.

4. The reinforcement mechanism of brucite fiber on portlandite cement slurry was investigated by X-ray diffraction (XRD), scanning electron microscope (SEM), non-contacting electrical resistivity meter.

5. A chemical additive that reduces the cement slurry viscosity to improve fluid-flow characteristics.

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6. The low - density cement slurry is usually required in the common cementing operation in low - pressure leakage well.

7. This sweller has no negative impacts on other cement slurry and improve the strength of the set cement.

8. The amounts of cement slurry is the key factor affecting bearing capacity of the piles.

9. In order to solve the problem, FSAM nonpermeable channeling preventable cement slurry system is developed.

10. Since SF-1 preflush has the abilities of thinning, visbreaking and reducing shear rate, compatibility of drilling fluid with cement slurry can be improved.

11. Wells with weak cementedsurface, and a two - stage cementing, separable setting cement slurry technology should be used.

12. It takes some question, such as: long hole , HTHP, solidity delay. Those instance and characteristic require cement slurry kept pumpability in a given time.

13. Finally, the schedule of rheological design for oil well cement slurry formulation was proposed.

14. This thesis studies of the color asphalt mixture and color cement slurry - filling asphalt mixture.

15. This information will be used to help determine the cement slurry specifications for both the dump bailer and cement packer.