Rotary type safety magnetic positioning logging instrument

A magnetic positioning and logging tool technology, applied in the direction of measurement, drilling equipment, borehole/well components, etc., can solve the problems of a single logging tool, heavy workload, large overall length and weight of the tool, and achieve a simple overall structure , high safety, reduce work intensity and workload

Pending Publication Date: 2021-01-12
ANSHAN SHENKUO MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, conventional safety bridles, rotary shorting logging tools, and magnetic positioning logging tools are all logging tools with a single function. They need to be assembled repeatedly during logging, and the overall length and weight of t

Method used

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  • Rotary type safety magnetic positioning logging instrument
  • Rotary type safety magnetic positioning logging instrument
  • Rotary type safety magnetic positioning logging instrument

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Embodiment Construction

[0031] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0032] Such as figure 1 , figure 2 , Figure 2a-2cAs shown, a rotary safety magnetic positioning logging tool according to the present invention is composed of a bridle assembly, a rotating balance assembly and a magnetic positioning assembly; barrel 3 and torpedo single taper sleeve 4, the torpedo spring 1, torpedo spring seat 2 and overshot barrel 3 are connected sequentially, and the torpedo single taper sleeve 4 is placed in the overshot barrel 3; the rotating balance assembly includes a rotating upper joint 10, a screw thread Ring 12, wire barrel 13, female pin sleeve 14, female pin 15, single-core slip ring 18, hollow shaft 19, rotary fixed joint 23, rotary dynamic joint 27, balance shaft cylinder 29, balance piston 30, balance cylinder 31. The pressure bearing plate 34 and the single-core connection seat 35; the overshot 3 is connected ...

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PUM

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Abstract

The invention relates to a rotary type safety magnetic positioning logging instrument. The logging instrument is formed by sequentially connecting a headstall assembly, a rotary balancing assembly anda magnetic positioning assembly. The headstall assembly comprises a torpedo spring, a torpedo spring seat, a fishing socket and a torpedo single-taper sleeve. The rotary balancing assembly comprisesa rotary upper connector, a threaded ring, a wire passing barrel, a female pin sleeve, a female pin, a single-core sliding ring, a hollow shaft, a rotary fixed connector, a rotary movable connector, abalancing shaft barrel, a balancing piston, a balancing cylinder, a pressure bearing disc and a single-core connecting base. The magnetic positioning assembly comprises an upper magnetic steel cylinder, a front magnetic outer cylinder, a coil rack, magnetic steel, a cement resistor, a lower magnetic steel cylinder and an adapter. The logging instrument integrates the functions of a safety headstall, a rotary short-circuit logging instrument and a magnetic positioning logging instrument, and is reasonable in structure, small in length, light in weight, safe and reliable, and convenient to maintain.

Description

technical field [0001] The invention relates to the technical field of petroleum logging, in particular to a rotary safe magnetic positioning logging tool. Background technique [0002] In petroleum logging, perforation, borehole coring and other operations using logging cables, three general-purpose logging tools, safety bridle, rotary short-circuit logging tool, and magnetic positioning logging tool, are required. [0003] The safety bridle has the functions of connecting the cable and the logging instrument, transmitting signals and protecting the logging cable. When the logging instrument is blocked downhole and the pulling force is close to the upper limit of the safe use of the logging cable, the tension rod in the bridle breaks and the logging After the well cable is disconnected from the logging instrument, it can go into the well safely. [0004] The rotary short-circuit logging tool has the function of connecting the logging instruments, transmitting signals and p...

Claims

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Application Information

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IPC IPC(8): E21B47/00E21B17/02E21B31/18
CPCE21B17/02E21B31/18E21B47/00
Inventor 张健汪力张睿高鹏刘建晨徐浩王海艳马宁赵广平孟祥柏
Owner ANSHAN SHENKUO MACHINERY MFG
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