FIELD: measuring devices.
SUBSTANCE: invention relates to measuring devices for electromagnetic logging of wells when searching for oil and gas, particularly to designing of pressure shell of radiotransparent high-pressure housing made of basalt-reinforced fibreglass for electronic equipment and protection from aggressive environmental factors, cyclic dynamic axial loads, bending moments and external high pressure during well survey. High-pressure shell made by twisted-longitudinal-transverse winding of basalt-reinforced fibreglass onto a mandrel, wherein cross-stacking, i.e. on a ring relative to axis of mandrel, is formed from basalt fibre impregnated with an epoxy resin based compound, and longitudinal stacking, i.e. parallel to axis of mandrel, is made from glass, which braids basalt fibre.
EFFECT: technical result is high elastic and strength properties of basalt-reinforced fibreglass, which ensure stability of dielectric properties in surveys, improve operating reliability of geophysical devices.
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