Quick insulation test plug handle of logging instrument

Abstract

The utility model provides a quick insulation test plug handle of a logging instrument, which is characterized by comprising a handle body, one side of the handle body is in threaded connection with a 41-core aviation socket through a three-combination screw, the other side of the handle body is sequentially sleeved with a 32-core plug and a handle outer cylinder, and the handle outer cylinder is connected with a guide block through a cross countersunk head screw; the device is applied to detection and maintenance of the logging instrument, not only can realize quick connection test of the logging instrument and diagnostic equipment, but also can ensure that the shell of the logging instrument is communicated with the ground wire of the diagnostic equipment, judges whether the cable cores are damaged by measuring the ground resistance of each cable core, and can assist testers in quickly locking the fault position of the instrument.

Description

A logging tool quick insulation test plug handle Technical Field

[0001] This utility model relates to the field of oil well logging technology, and in particular to a quick insulation test plug handle for a well logging instrument. Background Technology

[0002] Well logging technology is a downhole oil and gas exploration method. It is an important means of accurately discovering and describing oil and gas reservoirs, and an indispensable scientific basis for assessing oil and gas reserves and production. Well logging technology is an important component of petroleum science and technology, and one of the most technologically advanced disciplines in the oil and gas industry.

[0003] A logging tool is an instrument that measures formation information downhole via a cable, and then transmits the downhole information to a surface computer via the logging cable.

[0004] Communication between logging tools typically uses multi-core communication, with each instrument having a through-cable core and a dedicated cable core. During logging tool maintenance, maintenance personnel need to check the connection of each cable core, especially when testing the cable core insulation, which also requires external wiring to ensure the instrument casing is grounded, which is both time-consuming and prone to errors. Summary of the Invention

[0005] In view of the above technical problems, this utility model provides a quick insulation test plug handle for a logging tool to reduce the probability of misoperation.

[0006] This utility model provides a quick insulation test plug handle for a logging tool, characterized by including a handle body. One side of the handle body is threadedly connected to a 41-pin aviation socket via a three-combination screw. The other side of the handle body is sequentially fitted with a 32-pin plug and an outer cylinder. The 32-pin plug is fitted inside the handle body, and the outer cylinder is fitted outside the handle body. The outer cylinder is connected to a guide block via a Phillips countersunk screw.

[0007] The handle body is a stepped rotating body. The small-diameter handle of the handle body is provided with anti-slip knurling. The interior of the handle body is a hollow structure. The surface of the handle body is treated with conductive oxidation. One end of the handle body is provided with a 41-pin aviation socket interface. The other end of the handle body is provided with a 32-pin plug mounting interface and a retaining ring groove. A C-type open retaining ring is snapped into the retaining ring groove. The upper end face of the handle body is provided with a straight groove countersunk platform. The two ends of the straight groove countersunk platform are respectively provided with a wire hole and a threaded hole for a grounding screw. The ground wire of the 41-pin aviation socket is led out from the wire hole and connected to the grounding screw. Three threaded holes are evenly machined on the outer cylindrical surface of the handle body. The outer cylinder of the handle is fixed by placing a ball-head plunger in the threaded hole. The interior of the handle body is provided with grooves.

[0008] The top end face of the 32-pin plug is provided with a circumferential anti-rotation key. The circumferential anti-rotation key of the 32-pin plug is aligned with the groove in the handle body. The 32-pin plug is pushed into the handle body. The 32-pin plug is inlaid with gold-plated metal pins.

[0009] The outer cylinder of the handle is cylindrical in shape, and the surface of the outer cylinder is treated with conductive oxidation. One end of the outer cylinder has three countersunk screw holes machined circumferentially, and the other end of the outer cylinder has three threaded holes machined circumferentially for fixing the ball plunger. The top of the outer cylinder of the handle is provided with a straight groove for alignment identification, and one side of the straight groove has two countersunk screw holes machined axially for fixing the guide block.

[0010] The guide block has two threaded holes, and the upper surface of the guide block is an arc surface that matches the inner arc surface of the outer cylinder of the handle. One end of the guide block has two chamfers for guidance and alignment during installation.

[0011] The beneficial effects of this utility model are as follows: This utility model is a quick insulation test plug handle for logging instruments. When applied to the testing and maintenance of logging instruments, it can not only realize the quick connection test between the logging instrument and the diagnostic equipment, but also ensure the ground connection between the logging instrument shell and the diagnostic equipment. By measuring the ground resistance of each cable core, it can determine whether the cable core is damaged, which can help testers quickly locate the fault location of the instrument.

[0012] This utility model can save a lot of time in manual wiring operations, while reducing the probability of misoperation. It has excellent operational safety performance, simple structure, and convenient maintenance. This utility model can complete the measurement of all cable cores of the logging tool in one connection, reducing the number of manual connections and the chance of error. It is safe and convenient to operate, and the overall structure is compact and easy to install, making it easy to promote and use. Attached Figure Description

[0013] Figure 1 is a schematic diagram of the exploded structure of this utility model;

[0014] Figure 2 is a schematic diagram of the assembly structure of this utility model;

[0015] Figure 3 is a cross-sectional structural diagram of the handle body of this utility model;

[0016] Figure 4 is a front view structural diagram of the handle body of this utility model;

[0017] Figure 5 is a schematic diagram of the outer cylinder of the handle of this utility model;

[0018] Figure 6 is a schematic diagram of the structure of the guide block of this utility model.

[0019] Reference numerals: 1-Three-piece combination screw; 2-41-41-pin aviation socket; 3-Handle body; 31-Straight groove countersunk head; 32-Wire hole; 4-Phillips countersunk screw; 5-Grounding screw; 6-32-pin plug; 7-C-type open retaining ring; 8-Handle outer cylinder; 81-Straight groove; 82-Countersunk screw hole; 9-Phillips countersunk screw; 10-Ball plunger; 11-Guide block. Detailed Implementation

[0020] Example 1

[0021] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings.

[0022] As shown in Figure 1, this utility model provides a quick insulation test plug handle for a logging tool. It is characterized by including a handle body 3. One side of the handle body 3 is threadedly connected to a 41-pin aviation socket 2 by a three-combination screw 1. The other side of the handle body 3 is sequentially fitted with a 32-pin plug 6 and a handle outer cylinder 8. The 32-pin plug 6 is fitted inside the handle body 3, and the handle outer cylinder 8 is fitted outside the handle body 3. The handle outer cylinder 8 is connected to a guide block 11 by a cross countersunk screw 4.

[0023] The handle body 3 is a stepped rotating body. The small diameter handle of the handle body 3 is provided with anti-slip knurling. The handle body 3 has a hollow internal structure and is made of aluminum alloy material, including but not limited to aluminum alloy material. The surface of the handle body 3 is treated with conductive oxidation. One end of the handle body 3 is provided with a 41-pin aviation socket interface, and the other end of the handle body 3 is provided with a 32-pin plug installation interface and a retaining ring groove. A C-type open retaining ring 7 is snapped into the retaining ring groove. The upper end face of the handle body 3 is provided with a straight groove countersunk platform 31. The two ends of the straight groove countersunk platform 31 are respectively provided with a wire hole 32 and a threaded hole for a grounding screw. The ground wire of the 41-pin aviation socket 2 is led out from the wire hole 32 and connected to the grounding screw 5. Three threaded holes are evenly machined on the outer cylindrical surface of the handle body 3. The outer cylinder 8 of the handle is fixed by placing the ball-head plunger 10 in the threaded hole. The handle body 3 has a groove inside.

[0024] The 32-pin plug 6 is injection molded from PEEK material, including but not limited to PEEK material. A circumferential anti-rotation key is set on the top end face of the 32-pin plug 6. The circumferential anti-rotation key of the 32-pin plug 6 is aligned with the groove in the handle body 3. The 32-pin plug 6 is pushed into the handle body 3. Gold-plated metal pins are embedded inside the 32-pin plug 6.

[0025] The outer cylinder 8 of the handle is made of aluminum alloy material, including but not limited to aluminum alloy material. The outer cylinder 8 of the handle is cylindrical in shape. The surface of the outer cylinder 8 of the handle is treated with conductive oxidation. One end of the outer cylinder 8 of the handle has three countersunk screw holes 82 machined circumferentially. The other end of the outer cylinder 8 of the handle has three threaded holes for fixing the ball plunger. The top of the outer cylinder 8 of the handle has a straight groove 81 for alignment identification. One side of the straight groove 81 has two countersunk screw holes 82 machined axially for fixing the guide block.

[0026] Two threaded holes are provided on the guide block 11. The upper end face of the guide block 11 is an arc surface, which matches the inner arc surface of the outer cylinder 8 of the handle. Two chamfers are provided at one end of the guide block 11 for guiding alignment during installation and ensuring correct connection of the auxiliary plug.

[0027] Use an Allen wrench to insert the three ball-head plungers 10 into the corresponding holes of the handle outer cylinder 8. Then, fit the assembled handle outer cylinder 8 onto the outer circle of the handle body 3 and tighten it with the Phillips head countersunk screw 4. In addition to the commonly used testing functions of the instrument, the logging tool quick insulation test plug handle can also form a circuit through the ball-head plungers 10, handle outer cylinder 8, Phillips head countersunk screw 4, handle body 3, grounding screw 5, and the grounding pin of the 41-pin aviation socket 2. This circuit connects the outer cylinder and handle of the instrument under test to the test computer, allowing for rapid determination of the continuity and insulation status of each cable core of the logging tool.

[0028] Example 2

[0029] When using this utility model: Refer to Figure 1. Select a 0.5 square millimeter black wire, solder a 3mm solder pad to one end, and fix it in the straight groove recess 31 of the handle body 3 with a grounding screw 5. Insert the ground wire through the wire hole 32 with heat shrink tubing and bring it out from the side of the 41-pin aviation socket 2. Solder the wires to the designated pins of the 32-pin plug 6 according to the instrument cable core configuration requirements, cover with heat shrink tubing and tighten, bundle the wires, and pass the wires through the inner hole of the handle body 3. Align the anti-rotation key of the 32-pin plug 6 with the groove of the handle body 3, and slowly push the 32-pin plug 6 in by hand, being careful not to squeeze the wires. Use a flathead screwdriver to press the C-shaped open retaining ring 7 into the retaining ring groove of the handle body 3. Use a multimeter to check the resistance of each wire to the ground wire. If the resistance is infinite, proceed to the next step; otherwise, check the problem location and repeat the above operations.

[0030] Expose the end face of the wire harness for a length of 10 cm, cut off the excess wires, and complete the welding of the wires to the 41-pin aviation socket 2 according to the wiring requirements. Slowly push the wire harness into the inner cavity of the handle body 3, ensuring that the red dot on the 41-pin aviation socket 2 is in the same direction as the grounding screw 5. Install the guide block 11 into the outer cylinder 8 of the handle, with the rounded corner of the guide block 11 facing outwards, and tighten it with 2 cross-recessed head screws 4 after applying thread sealant. Align the straight groove positioning mark on the outer cylinder 8 of the handle with the straight groove on the handle body 3, slip the outer cylinder 8 of the handle over the handle body 3, and tighten and fix it with 3 cross-recessed head screws 4. Use an Allen wrench to tighten the 3 ball head plungers 10 respectively until the steel balls of the ball head plungers 10 can fully retract into the inner cavity surface.

[0031] Use an insulation resistance meter to check the resistance of all pins of the 41-pin aviation socket 2 to the ground and the resistance between each pin. In the 600V range, the resistance value should be greater than 500 MΩ to be qualified.

[0032] Among them, the models selected for each component are: three-piece screw M3×8; cross-recessed head screw M4×15; grounding screw M3×10; cross-recessed head screw M4×12; ball head plunger M5×8.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Each component mentioned in the present invention is a common technology in the existing field. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick insulation test plug handle for a logging tool, characterized in that... The device includes a handle body, one side of which is threaded to a 41-pin aviation socket via a three-piece combination screw, and the other side of which is sequentially fitted with a 32-pin plug and an outer cylinder. The outer cylinder is connected to a guide block via a countersunk head screw.

2. The logging tool quick insulation test plug handle according to claim 1, characterized in that... The handle body is a stepped rotating body. The small-diameter handle of the handle body is provided with anti-slip knurling. The interior of the handle body is a hollow structure. The surface of the handle body is treated with conductive oxidation. One end of the handle body is provided with a 41-pin aviation socket interface. The other end of the handle body is provided with a 32-pin plug mounting interface and a retaining ring groove. A C-type open retaining ring is snapped into the retaining ring groove. The upper end face of the handle body is provided with a straight groove countersunk platform. The two ends of the straight groove countersunk platform are respectively provided with a wire hole and a threaded hole for a grounding screw. The ground wire of the 41-pin aviation socket is led out from the wire hole and connected to the grounding screw. Three threaded holes are evenly machined on the outer cylindrical surface of the handle body. The outer cylinder of the handle is fixed by placing a ball-head plunger in the threaded hole. The interior of the handle body is provided with grooves.

3. The well logging instrument quick insulation test plug handle of claim 1, wherein The top end face of the 32-pin plug is provided with a circumferential anti-rotation key. The circumferential anti-rotation key of the 32-pin plug is aligned with the groove in the handle body. The 32-pin plug is pushed into the handle body. The 32-pin plug is inlaid with gold-plated metal pins.

4. The logging tool quick insulation test plug handle according to claim 1, characterized in that... The outer cylinder of the handle is cylindrical in shape, and the surface of the outer cylinder is treated with conductive oxidation. One end of the outer cylinder has three countersunk screw holes machined circumferentially, and the other end of the outer cylinder has three threaded holes machined circumferentially for fixing the ball plunger. The top of the outer cylinder of the handle is provided with a straight groove for alignment identification, and one side of the straight groove has two countersunk screw holes machined axially for fixing the guide block.

5. The well logging instrument quick insulation test plug handle of claim 1, wherein The guide block has two threaded holes, and the upper surface of the guide block is an arc surface that matches the inner arc surface of the outer cylinder of the handle. One end of the guide block has two chamfers for guidance and alignment during installation.

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