FIELD: oil and gas industry.
SUBSTANCE: pressure transducer is made in the form of hollow mechanical resonator-pitchfork. Ends of pitchfork branches are bent in the form of elastic tubular springs (Bourdon tubes). Cavities of tubular springs are interconnected with the cavity made in branches of pitchfork and connected through membrane to annular space of well.
EFFECT: higher measuring accuracy of bottom hole pressure of drilling fluid.
2 dwg
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