To begin the drilling operation.
initiate onsite drilling operations, as for petroleum; "The well was spudded in April"
The start of drilling of a well is called the spudding of the well
To begin drilling; to start the hole; to break ground.
The commencement of drilling operations.
To start the actual drilling of a well.
The initial penetration of the ground or seafloor at the start of the drilling operation
To commence drilling for oil and/or gas; to sink a well.
The operation of beginning to drill a new well.
To start drilling a new well (or re-start)
This term refers to the point in time at which the drill bit begins to turn into the earth and drilling actually starts.
To start drilling the well