CN211819363U

CN211819363U - Well head cable direction fixing device for well logging

Info

Publication number: CN211819363U
Application number: CN201921848263.2U
Authority: CN
Inventors: 唐勇; 余波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-10-30
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a well head cable guiding and fixing device for well logging, which comprises a well head and two groups of bottom plates, wherein an auxiliary fixing cone is fixedly arranged at the bottom end of the bottom plate, a supporting rod is fixedly connected with the top end of the bottom plate, a mounting plate is arranged at the top end of the supporting rod, a mounting hole is arranged at the bottom end of the mounting plate, a first screw hole is arranged at the top end of the mounting plate and is opposite to the central position of the mounting hole, a second screw hole matched with the first screw hole is arranged at the top end of the supporting rod, connecting screw rods are connected with the inner parts of the first screw hole and the second screw hole through threads, a rectangular through groove is arranged at the top end of the mounting plate, two groups of linear rails are symmetrically arranged near the centers of two edges of the rectangular through groove, stoppers are fixedly arranged at the two ends of, an anti-abrasion pad is arranged on the inner wall of the cable through cylinder.

Description

Well head cable direction fixing device for well logging

Technical Field

The utility model relates to a fixing device technical field for the logging, concretely relates to well head cable direction fixing device for logging.

Background

Logging, also called geophysical logging, is a method for measuring geophysical parameters by using the geophysical characteristics of rock stratum, such as electrochemical characteristics, electrical conductivity, acoustic characteristics, radioactivity and the like, and belongs to one of the applied geophysical methods. During petroleum drilling, logging, also called well completion electrical logging, must be performed after the well is drilled to a designed depth to obtain various petroleum geology and engineering technical data as the original data for well completion and oil field development, and the logging is conventionally called open hole logging. The second series of well logging after completion of casing in an oil well is conventionally called production well logging or development well logging, and the development of production well logging generally goes through four stages of analog well logging, digital well logging, numerical control well logging and imaging well logging, and then a cable needs to be put into the well in the well head well logging process and is generally placed through a pulley.

At present, Chinese patent with application number CN201720199327.5 discloses a guide support for turning and laying a wellhead cable, which comprises a wellhead support, a well wall support, a wellhead pulley fixed on the wellhead support and used for laying the cable, and a well wall pulley fixed on the well wall support and matched with the wellhead pulley; the well head support comprises well head diaphragm and well head longitudinal plate, well head diaphragm and well head longitudinal plate are connected and are the groined type, offer the lateral adjustment hole that is used for adjusting the horizontal mounted position of well head longitudinal plate on the well head diaphragm, offer the vertical regulation hole that is used for adjusting the vertical mounted position of well head diaphragm on the well head longitudinal plate. The utility model discloses not only can play the effect of fixed cable when cable laying, still can play the effect of direction cable, the horizontal distance and the longitudinal distance of well head support are adjustable simultaneously, can be applicable to the well head that the diameter is different, and application scope is wide, and the practicality is strong. However, when the device is used for guiding the logging wellhead cable, the cable is guided deeply through the pulley, the cable swings, and friction between the cable and the pulley is increased. Based on this, the utility model discloses a well head cable direction fixing device for logging in.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least a defect among the prior art, provides a well head cable direction fixing device for well logging to the direction that carries out the cable through the pulley that proposes in solving above-mentioned background is deep, and the cable has the emergence of the swing condition, has increased the frictional problem of cable and pulley.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

a wellhead cable guiding and fixing device for well logging comprises a wellhead and two groups of bottom plates, wherein auxiliary fixing cones are fixedly mounted at the bottom ends of the bottom plates, supporting rods are fixedly connected to the top ends of the bottom plates, mounting plates are arranged at the top ends of the supporting rods, mounting holes are formed in the bottom ends of the mounting plates, first screw holes are formed in the centers of the positions, right opposite to the mounting holes, of the top ends of the mounting plates, second screw holes matched with the first screw holes are formed in the centers of the top ends of the supporting rods, connecting screw rods are connected to the inner portions of the first screw holes and the second screw holes in a threaded mode, rectangular through grooves are formed in the centers of the top ends of the mounting plates, two groups of linear rails are symmetrically arranged near the centers of two edges of each rectangular through groove, stop blocks are fixedly mounted at, the side face of the sliding block is provided with a through hole matched with the through hole, a fixing rod is inserted into the through hole and the through hole, and an anti-abrasion pad is arranged on the inner wall of the cable through cylinder.

Preferably, the length of bottom plate is greater than the well head internal diameter, supplementary fixed awl is provided with a plurality of groups and equidistant setting at bottom plate bottom center, the bracing piece is provided with a plurality of groups and equidistant setting at bottom plate top center, the distance of bracing piece top to well head bottom is more than or equal to the mounting plate thickness.

Preferably, the mounting holes are two groups in total, the number of each group of mounting holes is equal to the number of the support rods at the top end of the bottom plate, the two groups of mounting holes are symmetrically arranged at the positions, opposite to the support rods, of the centers of the two sides of the bottom end of the mounting plate, and the depth of each mounting hole is larger than one half of the thickness of the mounting plate.

Preferably, the length of the rectangular through groove is greater than the inner diameter of a wellhead, the length of the linear rail is equal to or greater than the length of the rectangular through groove, and one edge of the bottom end of the sliding block coincides with one edge of the top end of the rectangular through groove.

Preferably, the height of the horizontal plane on which the top end of the stop block is located is greater than that of the horizontal plane on which the top end of the slide block is located.

Preferably, the height of a horizontal plane where the top end of the cable through cylinder is located is higher than that of a horizontal plane where the top end of the sliding block is located, and the height of a horizontal plane where the bottom end of the cable through cylinder is located is higher than that of a horizontal plane where the top end of the mounting plate is located.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the cable through cylinder and the anti-abrasion pad, the traditional cable bent in the wellhead through the pulley is changed into the cable bent in the wellhead to be vertically arranged in the wellhead, so that the situation that the cable goes deep into the wellhead to swing is avoided, and friction is reduced; the mounting plate is mounted at the top end of the supporting rod by the mounting hole through the arrangement of the mounting hole, the first screw hole and the second screw hole, and meanwhile, the mounting plate is fixed by connecting the first screw hole and the second screw hole through the connecting screw rod in a threaded manner, so that the mounting plate is convenient to mount and dismount; the stability of the device in use is enhanced by arranging the auxiliary fixing cone; through setting up line rail and slider, can adjust the position that cable bobbin was located, and then the position that the adjustment cable was located.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the vertical section structure above the self-connecting screw rod of the present invention;

fig. 3 is the structural schematic diagram of the vertical section from the center of the top end of the mounting plate of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-well head, 2-bottom plate, 3-auxiliary fixing cone, 4-support rod, 5-mounting plate, 6-mounting hole, 7-first screw hole, 8-second screw hole, 9-connecting screw rod, 10-rectangular through groove, 11-linear rail, 12-stop block, 13-slide block, 14-cable through tube, 15-through hole, 16-through hole, 17-fixing rod and 18-anti-abrasion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a wellhead cable guiding and fixing device for well logging comprises a wellhead 1 and two groups of bottom plates 2, auxiliary fixing cones 3 are fixedly installed at the bottom ends of the bottom plates 2, supporting rods 4 are fixedly connected to the top ends of the bottom plates 2, mounting plates 5 are arranged at the top ends of the supporting rods 4, mounting holes 6 are formed in the bottom ends of the mounting plates 5, first screw holes 7 are formed in the positions, right opposite to the mounting holes 6, of the top ends of the mounting plates 5, second screw holes 8 matched with the first screw holes 7 are formed in the centers of the top ends of the supporting rods 4, connecting screw rods 9 are connected to the inner portions of the first screw holes 7 and the second screw holes 8 in a threaded mode, rectangular through grooves 10 are formed in the centers of the top ends of the mounting plates 5, two groups of linear rails 11 are symmetrically arranged near the centers of two edges of the rectangular through grooves 10, stop blocks 12 are fixedly installed, the side of the sliding block 13 is provided with a through hole 16 matched with the through hole 15, a fixing rod 17 is inserted into the through hole 15 and the through hole 16, and the inner wall of the cable through cylinder 14 is provided with an anti-abrasion pad 18.

The length of the bottom plate 2 is larger than the inner diameter of the wellhead 1, the auxiliary fixing cones 3 are arranged in groups and are arranged at the center of the bottom end of the bottom plate 2 at equal intervals, the support rods 4 are arranged in groups and are arranged at the center of the top end of the bottom plate 2 at equal intervals, and the distance from the top ends of the support rods 4 to the bottom end of the wellhead 1 is larger than or equal to the thickness of the mounting plate 5; the mounting holes 6 are divided into two groups, the number of each group of mounting holes is equal to the number of the support rods 4 at the top end of the bottom plate 2, the two groups of mounting holes 6 are symmetrically arranged at the positions of the centers of the two sides of the bottom end of the mounting plate 5, which are opposite to the support rods 4, and the depth of each mounting hole 6 is more than one half of the thickness of the mounting plate 5; the length of the rectangular through groove 10 is larger than the inner diameter of the wellhead 1, the length of the linear rail 11 is equal to or larger than the length of the rectangular through groove 10, and one edge of the bottom end of the sliding block 13 is superposed with one edge of the top end of the rectangular through groove 10; the height of the horizontal plane on which the top end of the stop block 12 is positioned is greater than that on which the top end of the slide block 13 is positioned; the height of the horizontal plane at the top end of the cable through cylinder 14 is higher than that at the top end of the sliding block 13, and the height of the horizontal plane at the bottom end of the cable through cylinder 14 is higher than that at the top end of the mounting plate 5.

One specific application of this embodiment is: two groups of bottom plates 2 are symmetrically arranged on two sides of a well mouth 1 in an abutting mode, the bottom plates 2 are fixed by inserting an auxiliary fixing cone 3 into the ground, meanwhile, a mounting hole 6 is utilized, a mounting plate 5 is mounted at the top end of a support rod 4 and is in threaded connection with a first screw hole 7 and a second screw hole 8 through a connecting screw rod 9, the mounting plate 5 is in threaded fixing, then, the position of a cable through cylinder 14 is moved by utilizing the matching of a line rail 11 and a sliding block 13, a fixing rod 17 is inserted into a through hole 16 and a through hole 15, the sliding block 13 is limited and fixed, a cable vertically enters the well mouth through the cable through cylinder 14, a cable with proper length is selected to be placed according to the depth of the well mouth, the cable through cylinder 14 and an anti-abrasion pad 18 are arranged, the traditional cable is bent in the well mouth through a pulley and is changed to be vertically arranged in the, the friction is reduced; the mounting plate 5 is mounted at the top end of the support rod 4 through the mounting hole 6, the first screw hole 7 and the second screw hole 8, and the mounting plate 5 is fixed through the connecting screw 9 in threaded connection with the first screw hole 7 and the second screw hole 8, so that the mounting plate 5 can be mounted and dismounted conveniently; the stability of the device in use is enhanced by arranging the auxiliary fixing cone 3; through setting up line rail 11 and slider 13, can adjust the position that cable reel 14 was located, and then the position that the adjustment cable was located.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a well head cable direction fixing device for well logging, includes well head (1) and two sets of bottom plates (2), its characterized in that: the bottom plate (2) is fixedly provided with an auxiliary fixing cone (3) at the bottom end, the top end of the bottom plate (2) is fixedly connected with a supporting rod (4), the top end of the supporting rod (4) is provided with a mounting plate (5), the bottom end of the mounting plate (5) is provided with a mounting hole (6), the top end of the mounting plate (5) is provided with a first screw hole (7) right at the position center of the mounting hole (6), the top end center of the supporting rod (4) is provided with a second screw hole (8) matched with the first screw hole (7), the inner threads of the first screw hole (7) and the second screw hole (8) are connected with a connecting screw rod (9), the top end center of the mounting plate (5) is provided with a rectangular through groove (10), two groups of linear rails (11) are symmetrically arranged near the centers of two edges of the rectangular through groove (10), two ends of the linear rails (, the cable guide tube is characterized in that a cable guide tube (14) is fixedly connected between the sliding blocks (13), through holes (15) are uniformly formed in the side faces of the linear rails (11), through holes (16) matched with the through holes (15) are formed in the side faces of the sliding blocks (13), fixing rods (17) are inserted into the through holes (15) and the through holes (16), and an anti-abrasion pad (18) is arranged on the inner wall of the cable guide tube (14).

2. A wellhead cable guide fixing device for well logging according to claim 1, characterized in that: the length of bottom plate (2) is greater than well head (1) inner diameter, supplementary fixed awl (3) are provided with a plurality of groups and equidistant setting at bottom plate (2) bottom center, bracing piece (4) are provided with a plurality of groups and equidistant setting at bottom plate (2) top center, the distance of bracing piece (4) top to well head (1) bottom is greater than or equal to the thickness of mounting panel (5).

3. A wellhead cable guide fixture for logging purposes as defined in claim 2, wherein: the quantity of mounting hole (6) total two sets of and every group mounting hole equals the quantity of bracing piece (4) on bottom plate (2) top, two sets of mounting hole (6) symmetry set up in the position of mounting panel (5) bottom both sides center just to bracing piece (4), the degree of depth of mounting hole (6) is greater than the half of mounting panel (5) thickness.

4. A wellhead cable guide fixing device for well logging according to claim 1, characterized in that: the length of the rectangular through groove (10) is larger than the inner diameter of the well head (1), the length of the linear rail (11) is equal to or larger than the length of the rectangular through groove (10), and one edge of the bottom end of the sliding block (13) is coincided with one edge of the top end of the rectangular through groove (10).

5. A wellhead cable guide fixing device for well logging according to claim 1, characterized in that: the height of the horizontal plane on which the top end of the stop block (12) is positioned is greater than that of the horizontal plane on which the top end of the slide block (13) is positioned.

6. A wellhead cable guide fixing device for well logging according to claim 1, characterized in that: the height of a horizontal plane where the top end of the cable through cylinder (14) is located is higher than that of a horizontal plane where the top end of the sliding block (13) is located, and the height of a horizontal plane where the bottom end of the cable through cylinder (14) is located is higher than that of a horizontal plane where the top end of the mounting plate (5) is located.