🔍 Key Concepts

• Ullage vs. sounding in a tank (what does ullage measure?) • How to use a capacity/ullage table for P-tank #1 on the Deep Driller • Converting from volume of cement in the tank to weight in long tons

💭 Think About

• From an ullage of 3.4 feet, what information do you read from the P-tank #1 calibration table for the Deep Driller? • Do you need to interpolate between two table entries to get the correct volume or weight for 3.4 feet of ullage? • How is the weight of cement in long tons related to the volume shown in the table and the density/specific gravity of cement?

✅ Before You Answer

• Be sure you are using the correct tank table (P-tank #1, cement, not liquid mud or another tank). • Check whether the table gives you volume, weight, or both at each ullage/sounding, and use the correct column. • If you interpolate, verify your math and units so the final result is in long tons, not short tons or barrels.