A full set of downhole instruments of formation tester are short-circuited
Power supply: 220V AC 50HZ
Temperature resistance: 175℃
Withstand voltage: 140Mpa
Maximum diameter of the instrument: 80mm
Suitable borehole size: Φ118—410mm
Pre-test volume: 0-10ml adjustable
Pumping speed: 0.5ml/s-- 3ml/s adjustable
strain pressure sensor: accuracy ±0.1%, resolution ±0.001%, repetition rate, ±6psi
Quartz pressure sensor: accuracy ±0.02%, resolution ±0.01psi, repetition rate, ±1psi
Understand the formation pressure changes, detect the effect of water injection, and analyze the conflicts between layers
Analyze the nature of the formation fluid, determine the water-flooded level of the development well, and judge the migration of the oil-gas-water interface
Conduct stratigraphic correlation and connectivity analysis
Perform single-layer productivity prediction and analyze oil well productivity
Determine the position of the static liquid level
SFT (Small diameter Formation Tester) adopts the diamond push-back technology to realize the small diameter of the instrument on the basis of the conventional formation tester, which makes up for the insufficiency of sidetracking and slim hole wells in obtaining formation pressure.
The pre-test chamber is adjustable, and the pumping speed is adjustable, which makes up for the defect that the conventional formation tester is not suitable for low-permeability oil fields.
Using DC motor technology, the pumping force is large, and the maximum suction force of the park port is not less than 80Mpa.
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