80 likes | 469 Views
Caliper. Gamma Ray. Shale. Siltstone. Sandstone. Siltstone. Sandstone. Shale. Sandstone. Step 1: Lithology. ILD (deep). MSFL. NPHI. Using the Gamma Ray log, define a shale base line Deflections far to the left are sands Intermediate deflections to the left are silts. SFL. RHOB).
E N D
Caliper Gamma Ray Shale Siltstone Sandstone Siltstone Sandstone Shale Sandstone Step 1: Lithology ILD (deep) MSFL NPHI • Using the Gamma Ray log, define a shale base line • Deflections far to the left are sands • Intermediate deflections to the left are silts SFL RHOB) Courtesy of ExxonMobil