This article presents an example of calculation for a typical 9 5/8" casing cementation (cement volumes, displacement volumes, pressure at bump, etc.).
- Vertical exploration well.
For offshore cementation of the 20in surface conductor, the following procedures shall be used for inner string cementation:
- Make up stab-in sub and centraliser and rih on 5in drillpipe.
- Stab stinger…
Multiple Stage Cementing Tools and Procedure
1. Multiple Stage Cementing Tools
Multiple stage cementing (MSC) tools can be run in the casing string for any of the following reasons:
To improve the chance of retrieving casing from a specific…
- Circulate casing and condition mud. a minimum of 150 % of the casing contents must be circulated. Carry out circulation test to assess displacement rates, carefully monitor for losses.
- Drop first…
Example Calculation 20in Casing Cementing (Stinger)
This article gives an example of calculation for a typical 20" casing cemented with stinger (cement volumes, displacement volumes, collapse and floating).
Derrick floor elevation: 100 ft…