For well casing with collar cementing liner with additional isolation of upper zones by inflatable packers the following
assembly is used:
1. PHCZ or PHGMC or PHRC hanger;
2. PGP packer (one or several);
3. Cementing basket CK;
4. Low-friction and spring centralizers;
5. PGMC packer;
6. FS or FB filters (it depends on collector resistance);
7. Valve KOSH2;
8. Shoe BK-M.