Image Name SKU Description Spectral Gamma Ray & CCL Tool - HD - 2 3/4 in. SGRCL2 The Spectral Gamma Ray & Casing Collar Locator Tool (SGRCL2) operates on our common tool bus and can be combined with the Reservoir Analysis Sonde, Production Logging Tools or both. The SGRCL2 consist of a Casing Collar Locator …