CN215979250U - Hydraulic pipe column fixer - Google Patents
Hydraulic pipe column fixer Download PDFInfo
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- CN215979250U CN215979250U CN202121544018.XU CN202121544018U CN215979250U CN 215979250 U CN215979250 U CN 215979250U CN 202121544018 U CN202121544018 U CN 202121544018U CN 215979250 U CN215979250 U CN 215979250U
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Abstract
The application discloses a hydraulic pipe column fixer which is connected to a wellhead flange and comprises a shell, wherein a through hole is formed in the center of the shell along the vertical direction, and a pipe column penetrates through the through hole to be matched with the shell; the fixing piece is arranged around the hole edge of the through hole in the shell; the base, the bottom of base is provided with first location portion, and well head flange top is provided with and fixes a position the portion to the second location portion that corresponds with first location portion, and the base is through first location portion and second location portion and well head flange location installation. The hydraulic tubular column fixer in the application has the advantages of simple structure, convenience in dismounting and small size, is convenient to carry, and is very suitable for field construction and long-distance construction. And the pressure measuring device is favorable for ensuring that the pressure applied to the pipe column by the slips keeps balance in the horizontal direction, and the phenomenon that the pipe column falls off or deflects to influence the normal production due to the fact that the pressure in a certain direction is too large or too small is avoided.
Description
Technical Field
The utility model belongs to the technical field of petroleum equipment, and particularly relates to a hydraulic tubular column fixer.
Background
In the traditional oil field minor repair operation process, after the phenomenon that a pipe column is jacked up and flees, a construction team generally controls the pipe column by adopting a blowout preventer or a steel wire rope reverse tightening method, a tank car is used for carrying out pull pressure relief, and the next construction is carried out after the pressure is reduced. However, the following problems exist in the treatment process: firstly, the tank truck hauling pressure relief time is indefinite, the ineffective well laying time is prolonged, and meanwhile, an operation team cannot move, so that the construction efficiency is influenced; secondly, a blowout preventer needs to be installed in the abnormal high-pressure well in part of the non-high-risk area, so that potential safety hazards exist; thirdly, the single-gate manual blowout preventer generally applied to minor repair operation at present mainly has the function of preventing blowout, and although the single-gate manual blowout preventer can control the upward movement of the pipe column to a certain degree, the single-gate manual blowout preventer has potential safety hazards; fourthly, potential safety hazards exist in the control mode of the steel wire rope reverse tightening well head, meanwhile, the upper space of the well head is limited, and other equipment cannot be installed.
For solving above-mentioned problem, utilize safety slips and hydraulic means to carry out spacing fixed to the tubular column among the prior art, but most hydraulic line set up complicacy, assemble inconvenient, use under the open-air abominable construction condition and inconvenient, also inconvenient carrying in the long-distance work progress, seriously influence construction progress and production efficiency.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
The present invention provides a hydraulic tubing string holder to solve at least one of the above technical problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a hydraulic pipe column fixer which is connected to a wellhead flange and comprises a shell, wherein a through hole is formed in the center of the shell along the vertical direction, and a pipe column penetrates through the through hole to be matched with the shell; a fixing member disposed around the through hole rim inside the case; the base, the bottom of base is provided with first location portion, well head flange top be provided with first location portion to the second location portion that corresponds, the base through first location portion with second location portion with the well head flange location installation.
As a preferred embodiment of the present invention, the positioning device further includes positioning members respectively engaged with the first positioning portion and the second positioning portion.
As a preferred embodiment of the present invention, a guide sleeve is disposed on the top of the housing, the guide sleeve is disposed above the through hole, and an axis of the guide sleeve coincides with an axis of the through hole along a vertical direction.
In a preferred embodiment of the present invention, the fixing member is a plurality of slips, and a side of the slips facing the pipe string has an arc-shaped structure corresponding to the surface of the pipe string.
In a preferred embodiment of the present invention, the arcuate structural surface is provided with slip elements.
The hydraulic device is connected with the fixing piece, and the hydraulic device is used for providing power for the fixing piece, so that the fixing piece can move towards the center of the through hole along the radial direction of the through hole, and the pipe column is clamped and fixed.
In a preferred embodiment of the present invention, the hydraulic device includes a hydraulic cylinder, and a piston of the hydraulic cylinder is connected to the slip.
As a preferred embodiment of the present invention, the hydraulic device further includes a hydraulic pump station and a hydraulic pipeline, and the hydraulic pipeline is respectively communicated with the hydraulic pump station and the hydraulic cylinder.
The well head flange is provided with a plurality of connecting holes, and the base is provided with a plurality of connecting holes.
As a preferred embodiment of the present invention, the hydraulic pump further comprises a pressure measuring device, and the pressure measuring device is arranged on the hydraulic pipeline.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the hydraulic tubular column fixer in the application has the advantages of simple structure, convenience in dismounting and small size, is convenient to carry, and is very suitable for field construction and long-distance construction.
2. As an optimal implementation mode of this application, the setting of first location portion and second location portion has made things convenient for the location installation between base and the import flange greatly, is favorable to promoting assembly efficiency, save time.
3. As a preferred embodiment of this application, the setting of uide bushing has avoided taking place the deflection and collide with the mounting in the casing and lead to mounting and/or tubular column impaired when the tubular column is transferred, and then guarantees the normal work of tubular column and fluid pressure type tubular column fixer, is favorable to prolonging the life of equipment.
4. As a preferred embodiment of the application, the pressure measuring device is arranged so that a constructor can monitor and adjust the liquid flow in the hydraulic pipelines in real time according to the pressure change in each hydraulic pipeline, further, the pressure applied to the tubular column by the multiple slips is kept balanced in the horizontal direction, and the tubular column is prevented from falling off or deflecting due to the fact that the pressure in a certain direction is too large or too small, and the normal operation of production is influenced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of a hydraulic column holder;
fig. 2 is a schematic diagram of the hydraulic circuit.
Wherein the content of the first and second substances,
1, a shell and 11 guide sleeves;
2 slips, 21 slips;
31 hydraulic cylinder, 311 oil hole, 32 piston, 33 hydraulic pipeline, 34 hydraulic pump station;
4, a base, 41 a first positioning part;
5 wellhead flange, 51 second locator;
6, positioning parts;
7, a connecting piece;
8 pressure measuring device
9 pipe column.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to 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.
As shown in fig. 1, the application discloses a hydraulic tubular column fixer, which is arranged at a wellhead and connected with a wellhead flange 5, and comprises a shell 1, wherein a through hole is formed in the center of the shell 1 along the vertical direction, a tubular column 9 penetrates through the through hole to be matched with the shell 1, and meanwhile, the shell 1 also plays a certain supporting and limiting role on the tubular column 9; the fixing piece is arranged around the hole edge of the through hole in the shell 1 and can extend to the center of the through hole along the radial direction of the through hole, so that the pipe column 9 is clamped and fixed; the base 4, the bottom of base 4 is provided with first location portion 41, and wellhead flange 5 top is provided with and first location portion 41 to the second location portion 51 that corresponds, and base 4 passes through first location portion 41 and second location portion 51 and the installation of import flange location.
Further, referring to fig. 1, the hydraulic column fixer of the present application further includes a positioning element 6, and the positioning element 6 is respectively engaged with the first positioning portion 41 and the second positioning portion 51.
The arrangement of the first positioning portion 41 and the second positioning portion 51 greatly facilitates the positioning and installation between the base 4 and the inlet flange, which is beneficial to improving the assembly efficiency and saving the time.
It should be noted that, this application does not do specifically to limit to the concrete structure of setting element 6, first location portion 41 and second location portion 51, in a preferred example, continue to refer to fig. 1 and show, the bottom of base 4 and well head flange 5 top all are provided with the constant head tank, and setting element 6 can choose the holding ring for use, realizes the location installation through the cooperation of holding ring and constant head tank between base 4 and the well head flange 5.
Of course, the first positioning portion 41 and the second positioning portion 51 may also be positioning holes, the positioning member 6 may also be a positioning pin, and the positioning between the base 4 and the wellhead flange 5 may also be realized by the cooperation of the positioning holes and the positioning pins. Alternatively, the first positioning portion 41, the second positioning portion 51, and the positioning member 6 may be configured or arranged by other structures or members than the above examples.
Further, as shown in fig. 1, a guide sleeve 11 is disposed on the top of the housing 1, the guide sleeve 11 is disposed above the through hole, and an axis of the guide sleeve 11 coincides with an axis of the through hole along a vertical direction. As a preferred embodiment of the present application, with continued reference to fig. 1, the diameter of the guide sleeve 11 is adapted to the diameter of the pipe string 9. When the tubular column 9 is transferred, at first cooperate with guide sleeve 11 to play limiting displacement to tubular column 9 in the horizontal direction, take place the deflection and lead to mounting and/or tubular column 9 impaired with the mounting collision in the casing 1 when avoiding tubular column 9 to transfer, and then guarantee the normal work of tubular column 9 and fluid pressure type tubular column fixer, be favorable to prolonging the life of equipment.
Further, as shown in fig. 1, the fixing member is a plurality of slips 2, and one side of the slips 2 facing the pipe string 9 has an arc-shaped structure adapted to the surface of the pipe string 9. The joint work of the slips 2 can provide larger clamping force, so that the fixing effect of the pipe column 9 is favorably improved, the arc-shaped structure is arranged to favorably increase the contact area between the slips 2 and the pipe column 9, the friction between the slips 2 and the pipe column 9 is improved, and the fixing effect of the pipe column 9 is favorably improved. In one particular example, and with continued reference to FIG. 1, two slips 2 are provided, with two slips 2 being disposed diametrically opposite each other along the pipe string 9 on either side of the aforementioned through bore. Of course, the number of slips 2 may be three, four or more, which is not specifically limited in this application.
Further, as shown in FIG. 1, the surface of the slips 2 facing the pipe string 9 is provided with slip elements 21. In one particular example, as shown in FIG. 1, the slip elements 21 are disposed on the surface of an arcuate structure. The slip elements 21 are arranged to further promote friction between the pipe string 9 and the slips 2, thereby further promoting the fixing effect of the pipe string 9.
Further, as shown in fig. 1 and fig. 2, the hydraulic pipe column fixer of the present application further includes a hydraulic device, the hydraulic device is connected to the fixing member, and the hydraulic device is configured to provide power to the fixing member, so that the fixing member can move toward the center of the through hole along the radial direction of the through hole, thereby clamping and fixing the pipe column 9. In one particular example, and with continued reference to fig. 1 and 2, the hydraulic device includes a hydraulic cylinder 31, and a piston 32 of the hydraulic cylinder 31 is coupled to the slip 2.
Further, referring to fig. 1 and 2, the hydraulic device further includes a hydraulic pump station 34 and a hydraulic pipeline 33, and the hydraulic pipeline 33 is respectively communicated with the hydraulic pump station 34 and the hydraulic cylinder 31. Specifically, as shown in fig. 1 and fig. 2, oil holes 311 are formed in the cylinder bodies of the hydraulic cylinders 31 on the front side and the rear side of the stroke of the piston 32, one end of the hydraulic pipeline 33 is communicated with the oil holes 311, and the other end of the hydraulic pipeline is communicated with the hydraulic pump station 34, so that the piston 32 can be pushed by hydraulic pressure to reciprocate, and the pipe string 9 can be locked and released by the slips 2.
The hydraulic device pipe column 9 is simple in structure and small in size, assembly is facilitated, installation space of a well mouth is greatly saved, and meanwhile the hydraulic device can provide enough pressure to enable the slips 2 to be clamped and fixed. In addition, compared with the traditional pure mechanical locking structure, the hydraulic device is simple to operate, and is beneficial to improving the working efficiency and reducing the labor intensity.
Further, as shown in fig. 1, the hydraulic pipe column fixer in the application further comprises a connecting piece 7, the base 4 and the wellhead flange 5 are both provided with connecting holes, and the connecting piece 7 penetrates through the connecting holes to fixedly connect the base 4 and the wellhead flange 5. In one example, as shown in fig. 1 and 2, a plurality of corresponding connecting holes are uniformly formed along the edges of the circumferential base 4 and the wellhead flange 5, the connecting member 7 is a bolt and a nut, and the bolt penetrates through the connecting holes on the base 4 and the wellhead flange 5 to be matched with the nut, so that the hydraulic pipe column fixer is locked and fixed at a wellhead position.
Of course, the base 4 and the wellhead flange 5 may also be connected by other connection methods or connection structures such as clamping, welding, etc., and this application does not specifically limit this.
Further, as shown in fig. 2, the hydraulic pipe column fixer in the application further comprises a pressure measuring device 8, the pressure measuring device 8 is arranged on the hydraulic pipeline 33, so that the pressure in the hydraulic pipeline 33 can be monitored in real time, the liquid flow in the hydraulic pipeline 33 can be adjusted in real time by a constructor, and further, the pressure exerted by the plurality of slips 2 on the pipe column 9 is kept balanced in the horizontal direction, the phenomenon that the pipe column 9 falls off or deflects due to too large or too small pressure in a certain direction is avoided, and the normal operation of production is influenced.
The method can be realized by adopting or referring to the prior art in places which are not described in the utility model.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A hydraulic pipe column fixer connected to a wellhead flange is characterized by comprising
The pipe column is matched with the shell after penetrating through the through hole;
a fixing member disposed around the through hole rim inside the case;
the base, the bottom of base is provided with first location portion, well head flange top be provided with first location portion to the second location portion that corresponds, the base through first location portion with second location portion with the well head flange location installation.
2. The hydraulic tubular string holder according to claim 1, further comprising a positioning member engaged with the first positioning portion and the second positioning portion, respectively.
3. The hydraulic string holder according to claim 2, wherein a guide bush is provided on the top of the housing, the guide bush being disposed above the through hole, and an axis of the guide bush coincides with an axis of the through hole in a vertical direction.
4. The hydraulic string holder of claim 3, wherein the anchor is a plurality of slips having an arcuate configuration conforming to the surface of the string on a side of the slips facing the string.
5. The hydraulic string holder of claim 4, wherein the surface of the slips facing the string is provided with slip elements.
6. The hydraulic string holder according to claim 4, further comprising a hydraulic device connected to the fixing member, the hydraulic device being adapted to power the fixing member such that the fixing member can move toward the center of the through-hole in a radial direction of the through-hole, thereby clamping the string.
7. The hydraulic string holder of claim 6, wherein the hydraulic device comprises a hydraulic cylinder, and a piston of the hydraulic cylinder is coupled to the slip.
8. The hydraulic string holder according to claim 7, wherein the hydraulic means further comprises a hydraulic pump station and a hydraulic pipe, the hydraulic pipe being in communication with the hydraulic pump station and the hydraulic cylinder, respectively.
9. The hydraulic string fixer according to claim 8, further comprising a connecting member, wherein the base and the wellhead flange are both provided with connecting holes, and the connecting member passes through the connecting holes to connect and fix the base and the wellhead flange.
10. The hydraulic string holder according to claim 9, further comprising a load cell, the load cell being disposed on the hydraulic conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121544018.XU CN215979250U (en) | 2021-07-07 | 2021-07-07 | Hydraulic pipe column fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121544018.XU CN215979250U (en) | 2021-07-07 | 2021-07-07 | Hydraulic pipe column fixer |
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| Publication Number | Publication Date |
|---|---|
| CN215979250U true CN215979250U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121544018.XU Active CN215979250U (en) | 2021-07-07 | 2021-07-07 | Hydraulic pipe column fixer |
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| CN (1) | CN215979250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012858A (en) * | 2022-06-29 | 2022-09-06 | 中国地质科学院勘探技术研究所 | Power device capable of continuously lowering pipe column |
-
2021
- 2021-07-07 CN CN202121544018.XU patent/CN215979250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012858A (en) * | 2022-06-29 | 2022-09-06 | 中国地质科学院勘探技术研究所 | Power device capable of continuously lowering pipe column |
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