Locking keyed components for downhole tools

A method of providing a packer system comprising:

• providing a packer assembly on a mandrel, the packer assembly including a first ring, a packing element, and a second ring, wherein the packing element is positioned between the first and second rings;
• installing a line between an exterior of the mandrel and an inner surface of the packing element, through an inner bore of the first ring, and through an inner bore of the second;
• wherein the line may be installed through a first gap along the first ring and a second gap along the second ring;
• inserting a first key member into the first gap and inserting a second key member into the second gap after installing the line;
• and
• removing the first key member from the first gap and removing the first ring from the packer assembly, wherein the line passes from the inner bore of the first ring through the first gap.

A packer system for use in a wellbore comprising:

• a mandrel having an interior and an exterior;
• a packer assembly including a packing element positioned between a first ring and a second ring, the packer assembly being configured to slide onto the exterior of the mandrel, wherein the first ring includes a first gap along the first ring between a first end and a second end;
• a line configured to run between the exterior of the mandrel and an interior of the packing element, through an inner bore of the first ring, and through an inner bore of the second ring;
• a first key member, wherein the first gap is configured to receive the first key member;
• and
• a second key member and a second gap along the first ring, the second gap between a third end and a fourth end and the second gap being configured to receive the second key member, wherein the insertion of the second key member into the second gap selectively interlocks the second key member with the third and fourth ends of the first ring.