$1$: write the note on MWD and LWD$.$

$2$: $$What are the challenges in deepwater completion design?

$3$: $$what is the management of change? write down about it$.$

$4$: What are the risk available in well drilling?$$

$5$: $$Describe the function of $($i$)$ Escape $($ii$)$ Cross regulator and head regulator.$$

$6$: Write about $(1)$low cost reservoir access $(2)$stimulation of deep tight formations