CDU Drillers Practice Test

Question: 1 / 400

What constitutes the space between a casing pipe and a liner pipe?

Casing space

Annular space

The space between a casing pipe and a liner pipe is referred to as the annular space. This is an important concept in drilling and completion engineering, as the annular space allows for the circulation of fluids and serves several functions, including pressure monitoring, providing a path for wellbore stability, and facilitating the placement of cement.

The annular space is specifically designed to accommodate the conditions present in the well, such as hydrostatic pressure and potential fluid flow. This space plays a critical role in ensuring the integrity of the wellbore and in preventing issues such as fluid migration between different geological formations.

Understanding the properties of the annular space helps in optimizing well design and management, as it is essential for effectively isolating different zones within the wellbore and for ensuring proper cementing operations.

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Pore space

Hydraulic space

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