CN112909852A - Well head cable direction fixing device for well logging - Google Patents
Well head cable direction fixing device for well logging Download PDFInfo
- Publication number
- CN112909852A CN112909852A CN202110116111.9A CN202110116111A CN112909852A CN 112909852 A CN112909852 A CN 112909852A CN 202110116111 A CN202110116111 A CN 202110116111A CN 112909852 A CN112909852 A CN 112909852A
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- cable guide
- guide channel
- adjusting screw
- cable
- angle adjusting
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- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 33
- 238000007906 compression Methods 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a wellhead cable guiding and fixing device for well logging, which comprises an installation frame and a fixing support, wherein the installation frame is installed on the fixing support, two first cable guide channels are arranged on the installation frame, the bottom end part of each first cable guide channel is provided with a second cable guide channel, the first cable guide channel is in arc transition with the second cable guide channel and is hinged with the second cable guide channel through a hinge seat, the side wall of the second cable guide channel is provided with a connecting column, an angle adjusting screw rod is arranged on the first cable guide channel, an angle adjusting screw sleeve is arranged on the angle adjusting screw rod, the side part of the angle adjusting screw sleeve is in up-and-down sliding fit with the side wall of the first cable guide channel, an adjusting push-pull rod with the top end hinged with the angle adjusting screw sleeve is arranged on the side wall of the angle adjusting screw sleeve, and. The cable leading-in logging device is simple in structure, good in protection effect on leading-in of a cable into a logging well, convenient to adjust the leading-in direction and high in practicability.
Description
Technical Field
The invention relates to the technical field of logging devices, in particular to a wellhead cable guiding and 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.
When the existing logging device guides a wellhead cable, the cable is guided deeply through the pulley, the cable has the swinging condition, the friction between the cable and the pulley is increased, the cable is exposed outside, the surface of the cable is easy to corrode and damage, and the wellhead at the lower part of the logging well is not easy to guide the direction of the cable to adjust.
Disclosure of Invention
The invention aims to provide a wellhead cable guiding and fixing device for well logging, so as to achieve the aim.
In order to achieve the purpose, the invention provides the following technical scheme:
a wellhead cable guiding and fixing device for well logging comprises an installation frame and a fixing support, wherein the installation frame is installed on the fixing support, two first cable guide channels are arranged on the installation frame, a second cable guide channel is arranged at the bottom end of each first cable guide channel, the first cable guide channels are in arc transition with the second cable guide channels and are hinged through a hinge seat, a connecting column is arranged on the side wall of each second cable guide channel, an angle adjusting screw rod is arranged on each first cable guide channel, an angle adjusting screw sleeve in spiral fit with the angle adjusting screw rod is arranged on each angle adjusting screw rod, the side part of each angle adjusting screw sleeve is in up-and-down sliding fit with the side wall of each first cable guide channel, the end part of each angle adjusting screw rod is rotatably connected with the side part of each first cable guide channel through a bearing seat, and the top end of each angle adjusting, an adjusting push-pull rod with the top end hinged with the angle adjusting screw sleeve is arranged on the side wall of the angle adjusting screw sleeve, the bottom end part of the adjusting push-pull rod is hinged with the connecting column, a fixed rotating roller and a side port which are positioned at the hinged position of the first cable guide channel and the second cable guide channel are arranged in the first cable guide channel and the second cable guide channel respectively, a pressing roller assembly is installed at the side port, an end part fixing seat is arranged at the top end part of each first cable guide channel, and two opposite upper guide rollers are arranged on the end part fixing seat.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the compression roller assembly comprises a hinge difference and a compression roller support, the compression roller support is arranged in the side port, the hinge difference is fixed with one end of the compression roller support, the other end of the hinge difference is hinged with the side wall of the first cable guide channel, the guide compression roller is installed on the compression roller support through a rod shaft and corresponds to the fixed rotating roller, and the end, far away from the hinge difference, of the compression roller support is fixedly connected with the side wall of the side port through a bolt.
In one alternative: and the outer walls of the upper guide roller, the fixed rotary roller and the compression roller bracket are all provided with ring grooves.
In one alternative: the bottom ends of the two support legs of the fixed support are respectively provided with a fixed bottom plate, the bottom ends of the fixed bottom plates are provided with fastening holes matched with the ground pins to be fixed with the ground, and the center of the bottom end part of each fixed bottom plate is fixed with an inserted rod.
In one alternative: fixedly connected with installation diaphragm and installation diaphragm both ends set up and all are provided with the direction installation cover on the lateral wall of first cable guide passageway top portion, and every direction installation cover sliding sleeve is on installation frame branch and through setting up the fastening bolt fastening on the direction installation cover.
In one alternative: first cable guide passageway rotates with the installation diaphragm to be connected, all is provided with the cylinder and the cylinder tip towards first cable guide passageway outer wall on every direction installation cover lateral wall and is provided with the restriction arc preforming, set up a plurality of archs on the restriction arc preforming inner wall.
In one alternative: the installation frame both ends all are provided with bottom plate and are provided with altitude mixture control lead screw and vertical guide arm on the fixed bolster, altitude mixture control lead screw lower extreme bolt runs through the bottom plate of homonymy and rotates with the PMKD up end to be connected, vertical guide arm bottom slide run through another bottom plate and with PMKD up end fixed connection, altitude mixture control lead screw top is rotatory by the altitude mixture control motor drive that sets up on the fixed bolster top.
Compared with the prior art, the invention has the following beneficial effects:
the cable is guided in the deep well through first cable guide passageway and second cable guide passageway and is avoided the damage condition such as the fish tail to the cable of well head among the device, and the angle modulation adaptation through second cable guide passageway turns to the cable and leads to the logging depths, is convenient for measure, and because the junction of first cable guide passageway and second cable guide passageway is provided with fixed commentaries on classics roller and compression roller subassembly and the guide of the cable of being convenient for is fixed and the installation is arranged. The cable leading-in logging device is simple in structure, good in protection effect on leading-in of a cable into a logging well, convenient to adjust the leading-in direction and high in practicability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a connection structure of a first cable guide passage and a second cable guide passage in the present invention.
Fig. 3 is a schematic view of an installation structure of the first cable guide passage according to the present invention.
FIG. 4 is a schematic view of the construction of the roll assembly of the present invention.
Notations for reference numerals: the cable guide device comprises a mounting frame 1, a first cable guide channel 2, a second cable guide channel 3, an end fixing seat 4, an upper guide roller 5, a hinge seat 6, an angle adjusting screw rod 7, an angle adjusting screw sleeve 8, an adjusting push-pull rod 9, a fixing bottom plate 10, a fastening hole 11, an insertion rod 12, an angle adjusting motor 13, a fixing rotary roller 14, a side port 15, a compression roller assembly 16, a hinge difference 17, a compression roller bracket 18, a guide compression roller 19, a ring groove 20, a guide mounting sleeve 21, a fastening bolt 22, a bottom supporting plate 23, a height adjusting screw rod 24, a height adjusting motor 25, a vertical guide rod 26, a limiting arc pressing sheet 27, an air cylinder 28, a fixing bracket 29, a connecting column 30 and a mounting transverse plate 31.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 4, in the embodiment of the present invention, a wellhead cable guiding and fixing device for well logging includes a mounting frame 1 and a fixing bracket 29, wherein the mounting frame 1 is mounted on the fixing bracket 29, two first cable guide channels 2 are disposed on the mounting frame 1, a second cable guide channel 3 is disposed at a bottom end portion of each first cable guide channel 2, the first cable guide channel 2 and the second cable guide channel 3 are in arc transition and are hinged through a hinge base 6, a connecting column 30 is disposed on a side wall of the second cable guide channel 3, an angle adjusting screw 7 is disposed on the first cable guide channel 2, an angle adjusting screw 8 spirally engaged with the angle adjusting screw 7 is disposed on the angle adjusting screw 7, a side portion of the angle adjusting screw 8 is in up-and-down sliding engagement with a side wall of the first cable guide channel 2, an end portion of the angle adjusting screw 7 is rotatably connected with a side portion of the first cable guide channel 2 through a bearing base, the top end of the angle adjusting screw rod 7 is connected with an angle adjusting motor 13, the side wall of the angle adjusting screw sleeve 8 is provided with an adjusting push-pull rod 9, the top end of the adjusting push-pull rod 9 is hinged with a connecting column 30, the bottom end part of the adjusting push-pull rod 9 is hinged with a connecting column, the inside of the first cable guide channel 2 and the inside of the second cable guide channel 3 are both provided with a fixed rotating roller 14 and a side port 15 which are positioned at the hinged part of the first cable guide channel and the second cable guide channel, the side port 15 is provided with a pressing roller assembly 16, the top end part of each first cable guide channel 2 is provided with an end part fixing;
when the device is used specifically, the whole device is fixed at a wellhead through a fixing support 29, two cables are respectively introduced into a first cable guide channel 2, two upper guide rollers 5 at the top end of the first cable guide channel 2 play a role in clamping and guiding, the cables are introduced into a second cable guide channel 3 under the guiding action of the first cable guide channel 2 and are introduced into a deeper position of the wellhead from the inside of the second cable guide channel 3, an angle adjusting screw 7 is driven to rotate by controlling an angle adjusting motor 13, the angle adjusting screw 7 and an angle adjusting screw sleeve 8 are in spiral fit, so that the angle adjusting screw sleeve 8 moves on the angle adjusting screw 7 and pushes and pulls the second cable guide channel 3 to rotate around a hinged seat 6 by using an adjusting push-pull rod 9, the angle adjusting cable of the second cable guide channel 3 is adjusted to be introduced into the depth of a logging well, and a fixed rotating roller 14 and a compression roller assembly 16 are arranged at the connection part of the first cable guide channel 2 and the second cable guide channel 3 The cable is convenient to guide and fix;
the compression roller assembly 16 comprises a hinge difference 17 and a compression roller support 18, the compression roller support 18 is arranged in the side port 15, the hinge difference 17 is fixed with one end of the compression roller support 18, the other end of the hinge difference 17 is hinged with the side wall of the first cable guide channel 2, the guide compression roller 19 is arranged on the compression roller support 18 through a rod shaft and corresponds to the fixed rotating roller 14, and the end part, far away from the hinge difference 17, of the compression roller support 18 is fixedly connected with the side wall of the side port 15 through a bolt; the compression roller bracket 18 is turned to one side of the upper guide roller 5 to facilitate the arrangement and installation of the cable;
the outer walls of the upper guide roller 5, the fixed rotary roller 14 and the compression roller bracket 18 are all provided with ring grooves 20, and the arrangement of the ring grooves 20 avoids the cable from slipping off the upper guide roller 5, the fixed rotary roller 14 and the compression roller bracket 18 when the cable is guided by the upper guide roller 5, the fixed rotary roller 14 and the compression roller bracket 18;
the bottom ends of two support legs of the fixed support 29 are respectively provided with a fixed bottom plate 10, the bottom end of the fixed bottom plate 10 is provided with a fastening hole 11 matched with a ground nail to be fixed with the ground, the center of the bottom end part of the fixed bottom plate 10 is fixed with an inserted bar 12, and the inserted bar 12 is inserted into the soil to increase the stability of the fixed support 29;
a mounting transverse plate 31 is fixedly connected to the side wall of the top end part of the first cable guide channel 2, guide mounting sleeves 21 are arranged at two ends of the mounting transverse plate 31, and each guide mounting sleeve 21 is slidably sleeved on a supporting rod of the mounting frame 1 and fastened through a fastening bolt 22 arranged on the guide mounting sleeve 21; the positions of the first cable guide channel 2 and the second cable guide channel 3 are adjusted by utilizing the sliding of the guide mounting sleeve 21 on the mounting frame 1 so as to adapt to the size of a wellhead;
the first cable guide channel 2 is rotatably connected with a mounting transverse plate 31, an air cylinder 28 facing the outer wall of the first cable guide channel 2 is arranged on the side wall of each guide mounting sleeve 21, a limiting arc pressing sheet 27 is arranged at the end part of the air cylinder 28, and a plurality of bulges are arranged on the inner wall of the limiting arc pressing sheet 27; the position of the arc pressing piece 27 is limited by telescopic adjustment of the air cylinder 28 so as to fix the first cable guide channel 2 and to dial the first cable guide channel 2 to rotate so as to adjust the pointing direction of the second cable guide channel 3.
Example 2
Referring to fig. 1, the embodiment of the invention is different from embodiment 1 in that: bottom supporting plates 23 are arranged at two ends of the installation frame 1, a fixing support 29 is provided with a height adjusting screw rod 24 and a vertical guide rod 26, a bolt at the lower end of the height adjusting screw rod 24 penetrates through the bottom supporting plate 23 at the same side and is rotatably connected with the upper end face of the fixing bottom plate 10, the bottom end of the vertical guide rod 26 penetrates through the other bottom supporting plate 23 in a sliding manner and is fixedly connected with the upper end face of the fixing bottom plate 10, and the top end of the height adjusting screw rod 24 is driven to rotate by a height adjusting motor 25 arranged at the top end of the fixing support; under the driving action of the height adjusting motor 25, the height adjusting screw rod 24 rotates and can adjust the height of the installation frame 1 and the first cable guide channel 2 to be out of the wellhead for cable arrangement by utilizing the spiral fit with the bottom supporting plate 23 and the limited guiding action of the vertical guide rod 26.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. A wellhead cable guiding and fixing device for well logging comprises an installation frame (1) and a fixing support (29), wherein the installation frame (1) is installed on the fixing support (29), two first cable guide channels (2) are arranged on the installation frame (1), and the wellhead cable guiding and fixing device is characterized in that a second cable guide channel (3) is arranged at the bottom end part of each first cable guide channel (2), the first cable guide channels (2) and the second cable guide channels (3) are in circular arc transition and are hinged through a hinge base (6), a connecting column (30) is arranged on the side wall of each second cable guide channel (3), an angle adjusting screw rod (7) is arranged on each first cable guide channel (2), an angle adjusting screw sleeve (8) in spiral fit with the angle adjusting screw rod (7) is arranged on each angle adjusting screw sleeve (8), the side part of each angle adjusting screw sleeve (8) is in up-and-down sliding fit with the side wall of each first cable guide channel (2), the end part of the angle adjusting screw rod (7) is rotatably connected with the side part of the first cable guide channel (2) through a bearing seat, the top end of the angle adjusting screw rod (7) is connected with an angle adjusting motor (13), an adjusting push-pull rod (9) with the top end hinged with the angle adjusting screw sleeve is arranged on the side wall of the angle adjusting screw sleeve (8), the bottom end part of the adjusting push-pull rod (9) is hinged with a connecting column (30), a fixed rotating roller (14) and a side port (15) which are positioned at the hinged part of the fixed rotating roller and the side port are arranged inside the first cable guide channel (2) and inside the second cable guide channel (3), a compression roller assembly (16) is arranged at the side port (15), an end fixing seat (4) is arranged at the top part of each first cable guide channel (2), and two opposite upper guide rollers (5) are.
2. A wellhead cable guide fixing device for well logging according to claim 1, characterized in that the compression roller assembly (16) comprises a hinge difference (17) and a compression roller bracket (18), the compression roller bracket (18) is arranged in the side port (15), the hinge difference (17) is fixed with one end of the compression roller bracket (18) and the other end of the hinge difference (17) is hinged with the side wall of the first cable guide channel (2), the guide compression roller (19) is installed on the compression roller bracket (18) through a rod shaft and corresponds to the fixed rotating roller (14), and the end of the compression roller bracket (18) far away from the hinge difference (17) is tightly connected with the side wall of the side port (15) through a bolt.
3. A wellhead cable guide fixing device for well logging according to claim 2, characterized in that the outer walls of the upper guide roller (5), the fixed rotary roller (14) and the compression roller bracket (18) are provided with ring grooves (20).
4. The wellhead cable guiding and fixing device for well logging according to claim 1, wherein the bottom ends of two support legs of the fixing support (29) are respectively provided with a fixing bottom plate (10), the bottom end of the fixing bottom plate (10) is provided with a fastening hole (11) matched with a ground nail to be fixed with the ground, and the center of the bottom end of the fixing bottom plate (10) is fixed with an inserted rod (12).
5. The wellhead cable guiding and fixing device for well logging according to claim 1, characterized in that a mounting transverse plate (31) is fixedly connected to the side wall of the top end portion of the first cable guiding channel (2), guide mounting sleeves (21) are arranged at two ends of the mounting transverse plate (31), and each guide mounting sleeve (21) is slidably sleeved on a supporting rod of the mounting frame (1) and fastened through a fastening bolt (22) arranged on the guide mounting sleeve (21).
6. The wellhead cable guide fixing device for well logging according to claim 5, wherein the first cable guide channel (2) is rotatably connected with a mounting transverse plate (31), a cylinder (28) facing the outer wall of the first cable guide channel (2) is arranged on the side wall of each guide mounting sleeve (21), a limiting arc pressing plate (27) is arranged at the end part of the cylinder (28), and a plurality of protrusions are arranged on the inner wall of the limiting arc pressing plate (27).
7. The wellhead cable guiding and fixing device for well logging according to any one of claims 1 to 6, wherein bottom supporting plates (23) are arranged at two ends of the mounting frame (1), a height adjusting screw rod (24) and a vertical guide rod (26) are arranged on a fixing support (29), a lower end bolt of the height adjusting screw rod (24) penetrates through the bottom supporting plates (23) on the same side and is rotatably connected with the upper end face of the fixing bottom plate (10), the bottom end of the vertical guide rod (26) penetrates through the other bottom supporting plate (23) in a sliding mode and is fixedly connected with the upper end face of the fixing bottom plate (10), and the top end of the height adjusting screw rod (24) is driven to rotate by a height adjusting motor (25) arranged at the top end of the fixing support (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116111.9A CN112909852B (en) | 2021-01-28 | 2021-01-28 | Well head cable direction fixing device for well logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116111.9A CN112909852B (en) | 2021-01-28 | 2021-01-28 | Well head cable direction fixing device for well logging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112909852A true CN112909852A (en) | 2021-06-04 |
| CN112909852B CN112909852B (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110116111.9A Expired - Fee Related CN112909852B (en) | 2021-01-28 | 2021-01-28 | Well head cable direction fixing device for well logging |
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| CN (1) | CN112909852B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000837A (en) * | 2021-12-10 | 2022-02-01 | 山东省煤田地质局第三勘探队 | Logging instrument righting structure suitable for logging instruments of different specifications |
| CN116537725A (en) * | 2023-07-06 | 2023-08-04 | 中国地质调查局长沙自然资源综合调查中心 | Logging exploratory tube well-descending device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000837A (en) * | 2021-12-10 | 2022-02-01 | 山东省煤田地质局第三勘探队 | Logging instrument righting structure suitable for logging instruments of different specifications |
| CN114000837B (en) * | 2021-12-10 | 2023-11-17 | 山东省煤田地质局第三勘探队 | Logging instrument righting structure suitable for logging instruments of different specifications |
| CN116537725A (en) * | 2023-07-06 | 2023-08-04 | 中国地质调查局长沙自然资源综合调查中心 | Logging exploratory tube well-descending device |
| CN116537725B (en) * | 2023-07-06 | 2023-09-12 | 中国地质调查局长沙自然资源综合调查中心 | Logging exploratory tube well-descending device |
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| Publication number | Publication date |
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| CN112909852B (en) | 2021-10-29 |
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