Male wet joint assembly for horizontal well logging

Abstract

The utility model discloses a male wet joint assembly for horizontal well logging, which relates to the technical field of petroleum logging and comprises an L-shaped connecting rod, a male joint and a female joint, one end of the male joint and one end of the female joint are both connected with cables, vertical sections at two ends of the L-shaped connecting rod are both provided with slotted holes, the two cables respectively penetrate through the two slotted holes, and the two cables are connected with the L-shaped connecting rod. Limiting structures are arranged at the two long round holes, and an L-shaped supporting rod is fixed to the horizontal section of the L-shaped connecting rod. According to the utility model, after the male joint and the female joint are in threaded connection, the parts, located in the L-shaped connecting rod, of the two cables are respectively provided with one end redundancy, and then the two adjusting bolts are respectively screwed to enable the two fixing seats to move downwards, so that the parts, located in the oblong holes, of the two cables are fixed; therefore, the male connector and the female connector are prevented from being pulled to a large extent, the male connector and the female connector are protected through the protective cover, the sealing performance and safety of connection of the male connector and the female connector are guaranteed, and then the efficiency and quality of logging operation are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum well logging technical field especially relates to a horizontal well logging male wet joint subassembly. BACKGROUND

[0002] In the horizontal well logging operation process, need reliable connecting device to ensure the stable connection between downhole instrument string and logging cable, to realize signal transmission and power supply, some connecting joints exist, under the complex working condition of horizontal well, often face the problems such as poor sealing, not firm connection, easy to be eroded by well fluid, lead to logging data transmission interruption, instrument damage, seriously affect the efficiency and quality of well logging operation, therefore, present a kind of male wet joint subassembly for horizontal well logging. UTILITARY MODEL CONTENTS

[0003] In view of the deficiency of prior art, the utility model provides a kind of male wet joint subassembly for horizontal well logging, after the screwing of male joint and female joint, the part of two cables located inside L type connecting rod is provided with one end redundancy, then respectively twists two adjusting bolts, so that two adjusting bolts respectively push two fixed seats to move downward, to fix the part of two cables located at long circular hole, to avoid male joint and female joint from being pulled to a large extent, and male joint and female joint are protected using protective cover, avoid being impacted, guarantee the sealing property and security of male joint and female joint connection, in turn guarantee the efficiency and quality of well logging operation, overcome the deficiency of prior art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A kind of male wet joint subassembly for horizontal well logging, including L type connecting rod, male joint and female joint, the one end of male joint and female joint is connected with cable, the vertical section of both ends of L type connecting rod is all provided with long circular hole, two cables pass through two long circular holes respectively, limit structure is set at two long circular holes, L type connecting rod horizontal section is fixed with L type support, L type support is slidably sleeved with connecting block, the one side of connecting block is fixed with protective cover.

[0006] As a further scheme of the utility model: the male joint is provided with plug pin, and the one end of the female joint is provided with the insertion hole matched with the plug pin.

[0007] As a further scheme of the utility model: the outer wall of the male joint is provided with external thread, and the inner wall of the one end of the female joint is provided with internal thread.

[0008] As a further scheme of the utility model: the limiting structure includes the fixed seat of sliding clamping at the long circular hole, the both ends of the fixed seat are equipped with the clamping groove, the clamping groove is clamped on the lateral wall of the long circular hole, the vertical section outer wall of the L type connecting rod is fixed with the first fixed plate, the first fixed plate is screwed with the adjusting bolt, the outer wall of the fixed seat is fixed with the second fixed plate, the lower end of the adjusting bolt is rotatably connected with the second fixed plate through the bearing.

[0009] As a further scheme of the utility model: the lower end of the fixed seat is provided with a round corner part.

[0010] As a further scheme of the utility model: the outer wall of the male joint end is fixed with an L type connecting ring, the outer wall of the female joint is fixed with a fixed ring, one side of the fixed ring is equipped with a sealing groove, and one end of the L type connecting ring is inserted into the sealing groove.

[0011] As a further scheme of the utility model: the middle part of the L type supporting rod is equipped with a threaded hole, and the connecting block is inserted with a fixed bolt, and the fixed bolt is screwedly connected with the threaded hole.

[0012] As a further scheme of the utility model: the L type connecting rod is located inside the protective cover.

[0013] The utility model discloses the beneficial effect is:

[0014] After the male joint and the female joint are screwed, the parts of the two cables located inside the L type connecting rod are provided with one end redundancy, then two adjusting bolts are screwed respectively, the two adjusting bolts push two fixed seats to move down respectively, thereby fixing the parts of the two cables located at the long circular hole, thereby the male joint and the female joint are prevented from being pulled to a great extent, and the male joint and the female joint are protected by the protective cover, are prevented from being collided, the sealing property and the safety of the male joint and the female joint are guaranteed, and then the efficiency and the quality of the well logging operation are guaranteed. ACCURACY

[0015] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the male wet joint assembly for horizontal well logging that the utility model proposes.

[0016] Figure 2 It is the second perspective three-dimensional structure schematic diagram of the male wet joint assembly for horizontal well logging that the utility model proposes.

[0017] Figure 3 It is the limiting structure schematic diagram of the male wet joint assembly for horizontal well logging that the utility model proposes.

[0018] Figure 4 It is the limiting structure schematic diagram of the male wet joint assembly for horizontal well logging that the utility model proposes. Figure 2Enlarged structural schematic view at A in the middle.

[0019] In the figure: 1, L-shaped connecting rod; 2, L-shaped supporting rod; 3, threaded hole; 4, connecting block; 5, fixing bolt; 6, male connector; 7, L-shaped connecting ring; 8, protective cover; 9, cable; 10, oblong hole; 11, first fixing plate; 12, sealing groove; 13, female connector; 14, fixing seat; 15, round corner part; 16, second fixing plate; 17, adjusting bolt; 18, fixing ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Embodiment 1, refer to Figures 1-4 A male wet connector assembly for horizontal well logging, comprising an L-shaped connecting rod 1, a male connector 6 and a female connector 13, the male connector 6 and the female connector 13 are both connected with a cable 9 at one end, the vertical section of both ends of the L-shaped connecting rod 1 is provided with an oblong hole 10, two cables 9 pass through the two oblong holes 10 respectively, a limiting structure is arranged at both the oblong holes 10, the horizontal section of the L-shaped connecting rod 1 is fixed with an L-shaped supporting rod 2, the L-shaped supporting rod 2 is slidingly sleeved with a connecting block 4, the connecting block 4 is fixed with a protective cover 8 at one side, and the L-shaped connecting rod 1 is located inside the protective cover 8.

[0022] The male connector 6 is provided with a plug pin, and the female connector 13 is provided with a plug hole matched with the plug pin.

[0023] The outer wall of the male connector 6 is provided with external threads, and the inner wall of one end of the female connector 13 is provided with internal threads.

[0024] The limiting structure comprises a fixing seat 14 slidingly clamped at the oblong hole 10, both ends of the fixing seat 14 are provided with clamping grooves clamped on the side wall of the oblong hole 10, the vertical section of the L-shaped connecting rod 1 is fixed with a first fixing plate 11, the first fixing plate 11 is screwed with an adjusting bolt 17, the outer wall of the fixing seat 14 is fixed with a second fixing plate 16, the lower end of the adjusting bolt 17 is rotationally connected with the second fixing plate 16 through a bearing, and the lower end of the fixing seat 14 is provided as a round corner part 15.

[0025] The middle part of the L-shaped supporting rod 2 is provided with a threaded hole 3, the connecting block 4 is inserted with a fixing bolt 5, and the fixing bolt 5 is matched with the threaded hole 3 in screwing.

[0026] After the male joint 6 and the female joint 13 are connected by screwing, the parts of the two cables 9 inside the L-shaped connecting rod 1 are provided with one end redundancy, then the two adjusting bolts 17 are screwed respectively, so that the two adjusting bolts 17 push the two fixing seats 14 to move downward respectively, thereby fixing the parts of the two cables 9 at the long circular hole 10, so that the male joint 6 and the female joint 13 are prevented from being pulled to a greater extent;

[0027] By moving the connecting block 4 and the protective cover 8 along the L-shaped supporting rod 2, the moving block 4 is moved to the middle part of the L-shaped supporting rod 2, then the fixing bolt 5 is screwed with the threaded hole 3, at this time, the male joint 6 and the female joint 13 are located inside the protective cover 8 and are protected, so as to avoid being collided.

[0028] Embodiment 2, the embodiment is optimized on the basis of embodiment 1, specifically:

[0029] The end outer wall of the male joint 6 is fixed with the L-shaped connecting ring 7, the outer wall of the female joint 13 is fixed with the fixing ring 18, one side of the fixing ring 18 is provided with the sealing groove 12, and one end of the L-shaped connecting ring 7 is insertedly matched with the sealing groove 12.

[0030] During the screwing of the male joint 6 and the female joint 13, one end of the L-shaped connecting ring 7 is inserted into the sealing groove 12 of the fixing ring 18, so as to realize sealing and further seal the insertion part.

[0031] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A male wet sub assembly for horizontal well logging comprising an L-shaped connecting rod (1), a male sub (6) and a female sub (13), characterized in that, One end of the male connector (6) and the female connector (13) is connected with a cable (9), the vertical section of the two ends of the L-shaped connecting rod (1) is provided with an oblong hole (10), the two cables (9) pass through the two oblong holes (10) respectively, and the two oblong holes (10) are provided with limiting structures, the horizontal section of the L-shaped connecting rod (1) is fixedly connected with an L-shaped supporting rod (2), the L-shaped supporting rod (2) is slidably sleeved with a connecting block (4), and one side of the connecting block (4) is fixedly connected with a protective cover (8); The male connector (6) is provided with a plug pin, and one end of the female connector (13) is provided with a plug hole matched with the plug pin in plug connection; The outer wall of the male connector (6) is provided with external threads, and the inner wall of one end of the female connector (13) is provided with internal threads; The limiting structure comprises a fixed seat (14) slidably clamped at the oblong hole (10), the two ends of the fixed seat (14) are provided with clamping grooves, the clamping grooves are clamped on the side wall of the oblong hole (10), the outer wall of the vertical section of the L-shaped connecting rod (1) is fixedly connected with a first fixed plate (11), the first fixed plate (11) is screwed with an adjusting bolt (17), the outer wall of the fixed seat (14) is fixedly connected with a second fixed plate (16), and the lower end of the adjusting bolt (17) is rotatably connected with the second fixed plate (16) through a bearing; The lower end of the fixed seat (14) is provided with a rounded portion (15); The outer wall of the end of the male connector (6) is fixedly connected with an L-shaped connecting ring (7), the outer wall of the female connector (13) is fixedly connected with a fixed ring (18), one side of the fixed ring (18) is provided with a sealing groove (12), and one end of the L-shaped connecting ring (7) is matched with the sealing groove (12) in plug connection; The middle part of the L-shaped supporting rod (2) is provided with a threaded hole (3), the connecting block (4) is inserted with a fixed bolt (5), and the fixed bolt (5) is matched with the threaded hole (3) in screw connection; The L-shaped connecting rod (1) is located in the protective cover (8).

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