Shut In Procedure | IWCF Test| IWCF |Drilling| Well control | IADDC |IWCF Question| BOP| Choke | BHP

What is Soft Shut-in and Hard Shut-in?
While drilling it's very important to decide shut-in policy.
LINE UP FOR SHUT-IN
When one or more positive kick signs are observed, a flow check is made. In case of self flow well can be shut-in in two ways:
a) Soft shut-in
b) Hard shut-in
Once a kick is detected, the well should be controlled according to correct procedures. Shut-in procedures require common sense. At times of excitement or emergency, there must be strong control and discipline on the rig floor. Drills, planned procedures, and strong supervision is the keys to successfully controlling the well. Once a kick is detected, the well should be shut in as quickly as possible. The reasons for shut-in procedures include:
• To protect the crew and rig
• To stop the influx of formation fluid into the wellbore
• To allow shut-in pressures to be determined
• To provide an opportunity to organize the kill procedure.
There is no such thing as a small kick or a small flow. Either can rapidly develop. Into a blowout. All flows must be recognized as potential blowouts. When in doubt as to whether the well is flowing or not shut it in.
Shut-in procedures may vary considerably, depending on company policy, the type of rig, and the size of the crew. However, the basics of shutting a well in do not change. A preventer must be closed to stop the flow.
There are several different shut-in procedures for different drilling operations.
These are:
Shut-in while drilling.
Shut-in while tripping.
Shut-in while out of hole.

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