... values for qualitative and quantitative interpretation. The Sonic Log, used in conjunction with the resistivity values from the Induction Log, serves as an excellent detector of hydrocarbon-bearing zones. Determination of porosity is best accomplished with the Formation Density Log. In addition...

.... Fluid samples of 1, 2– 3/4 or 5–1/2 gallons may be recovered. The purpose of this paper is to discuss the applications of these testers and the inter-pretation of their recoveries. well logging formation tester operation interpretation formation testing wireline formation tester...