@jamalalmaqbali. DRILL STEM TESTING (SRO) The Drill Stem Test (DST) plays a pivotal role in prospect evaluation and subsequent field development planning. Therefore, it is imperative to acquire reliable, high-accuracy downhole pressure and temperature data in a timely manner in order to allow the reservoir evaluation to be conducted without introducing additional uncertainty or delay. #oilandgasindustry | OilRegistry

A drill stem test (DST) is a procedure that determines the pressure, permeability and productive capacity of a geological formation while drilling a well. The test is crucial in measuring pressure behavior at the drill stem and is an effective way of obtaining data on the formation fluid, and determining whether a well has found a commercial hydrocarbon reservoir. Drill stem testing can be applied in the following ways: 1. Cased Hole stimulation This testing is done after the well is cased and u

Purpose of Well Testing in High-Gas Reservoirs Well testing helps determine the reservoir’s capability to produce hydrocarbons—especially in reservoirs with high gas-to-oil ratio (GOR)—and provides data on: Reservoir pressure and temperature Permeability and skin factor Fluid composition and phase behavior Productivity index and deliverability Wellbore and reservoir behavior under dynamic conditions Challenges of High-Gas Content: Phase behavior: Gas expands rapidly when pressure drops, affectin