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11.3 Equipment, devices and materials
Downhole pressure gage DPGNS-2 (МГН-2); the blanks of
diagrams; a clockwork drive; comparator; educational posters.
1 – valve; 2 – downhole lubricator; 3 – indicating pressure gage
(manometer); 4 – stuffing box; 5 – guide roller; 6 – wire (cable);
7 – downhole pressure gage; 8 – tension roller; 9 – gate valve
Figure 11.3 – The chart of the equipment of the wellhead of the
flowing, gas-lift, injection and observation oil well during downhole
measurements.
11.4 Procedure
11.4.1 Study the application and the types of the downhole
pressure gages.
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