Page 143 - Well Control for Completions and Interventions

Completion Equipment 135

Figure 3.38 A cross-coupling control line clamp. A well-designed clamp will both
protect and support all the control lines.

Figure 3.39 Fitting special clamps to blast joints in a multizone, single string, intelli-
gent completion.

to catch on BOP ram cavities and other upsets in the well. When this
happens, the clamp can slide along the tubing and damage the control
line. In recent years the practice of running mid-joint clamps has been
largely discontinued. However, it is still common to send a small number
of mid-joint clamps to the rig site. They can be used to tidy the lines
immediately below the tubing hanger.
The standard cross-coupling or mid-joint clamp is not suitable for all
applications. For instance, in multiple zone single string intelligent