Method of intersecting a first well bore by a second well bore

A method for intersecting a first, cased well bore, the method comprising:

• forming a second well bore that extends to a region of the first, cased well bore to be intersected;
• inserting a laser tool assembly into the second well bore and aligning the laser tool assembly with the region of the first, cased well bored to be obstructed;
• operating the laser tool assembly and forming an opening in a casing of the first, cased well bore;
• and
• removing material from the casing until the first, cased well bore and the second well bore are fluidly connected.

A system for intersecting a first, cased well bore, the system comprising:

• a drilling assembly that is configured to drill a second well bore having a distal end proximal to the first, cased well bore, the drilling assembly comprising:
• a drill string;
• and
• a drill bit disposed at an end of the drill string;
• a laser tool assembly comprising:
• a laser perforator that is configured to emit a laser cutting beam that can penetrate a casing wall of the first, cased well bore and form an opening between the first, cased well bored and the second well bore.