Reduced diameter down-hole instrument electrical/optical fiber cable

A down-hole instrument cable system, the cable system comprising:

• a reduced diameter cable comprising:
• a centrally located optical fiber;
• a protective buffer layer surrounding said optical fiber;
• a protective sheath surrounding said optical fiber and said protective buffer layer;
• a layer of electrical conductors surrounding the protective sheath;
• a plurality of electrically conductive strength member strands surrounding said layer of electrical conductors, wherein said plurality of electrically conductive strength member strands form an outer surface of the cable;
• a fluid barrier insulator disposed between said layer of electrical conductors and said plurality of electrically conductive strength member strands, said fluid barrier insulator being formed of a heat resistant, relatively high melting point material;
• and
• a conductive cable head body electrically connected to said plurality of electrically conductive strength member strands, said plurality of electrically conductive strength member strands terminating at said conductive cable head body;
• and
• a conductive contact body having proximal and distal ends, said contact body being electrically connected to said cable head body, said contact body providing a first electrical terminal for connection to a down-hole instrument, said contact body including an aperture extending axially therethrough, an unarmored portion of said cable including said optical fiber, protective buffer layer, protective tube, fluid barrier insulator, and layer of electrical conductors extending through said aperture in said contact body, said layer of electrical conductors providing a second electrical terminal for connection to said down-hole instrument, and said optical fiber providing an optical terminal for said down-hole instrument.