Wire passing structure between instrument in oil pipe and oil sleeve annulus
An oil-casing annulus and instrument technology, which is applied in the direction of drill pipe, casing, drilling equipment, etc., can solve the problems of difficult crossing, tight radial space, and increased instrument cost, so as to facilitate on-site construction operations and simplify the structure , the effect of shortening the length of the structure
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[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0027] A line-passing structure between the instrument in the oil pipe and the annular space of the oil jacket of the present invention, such as figure 1 with figure 2 As shown, the wire-passing structure includes a body 1 and a lower connecting pipe 2; the body 1 and the lower connecting pipe 2 are connected in a dual manner by threads and pins 17; the body 1 is provided with a wire-passing installation hole 4; The hole 4 communicates with the bus through hole 5; the wire pipe 3 is installed in the wire pipe installation hole 4.
[0028] Such as image 3 As shown, the main body 1 is a cylindrical structure; the middle of the main body 1 is provided with a water inlet / oil outlet hole 6; The other side of the oil hole 6 is provided with an overflow channel 8; one side of the outer circle of the body 1 is provided with a boss 9; A group of ...
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