CN221256725U - Pipe rod suspension device - Google Patents
Pipe rod suspension device Download PDFInfo
- Publication number
- CN221256725U CN221256725U CN202323480221.7U CN202323480221U CN221256725U CN 221256725 U CN221256725 U CN 221256725U CN 202323480221 U CN202323480221 U CN 202323480221U CN 221256725 U CN221256725 U CN 221256725U
- Authority
- CN
- China
- Prior art keywords
- sucker rod
- hanger
- screw thread
- connecting screw
- oil pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000725 suspension Substances 0.000 title claims abstract description 9
- 210000002445 nipple Anatomy 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 239000003129 oil well Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- -1 wellheads Substances 0.000 description 1
Abstract
The utility model relates to the technical field of oilfield equipment, in particular to a pipe rod suspension device. The oil pipe is arranged in the wellhead, and the sucker rod is arranged in the oil pipe; the device also comprises a taper ring, a connecting screw thread and a sucker rod hanger; the conical ring is connected with the oil pipe through a connecting screw thread and is clamped on the wellhead; the connecting screw thread is arranged in the conical ring at the joint of the connecting screw thread and the conical ring, and the end face of the connecting screw thread forms a positioning shoulder; the locating shoulder supports the sucker rod hanger, the sucker rod passes through the sucker rod hanger, and the sucker rod is hung on the sucker rod hanger. The taper ring is connected with the oil pipe through the connecting screw thread, the taper ring is clamped on the wellhead, the positioning shoulder supports the sucker rod hanger, the sucker rod penetrates through the sucker rod hanger, the sucker rod is hung on the sucker rod hanger, and the sucker rod and the oil pipe can be safely and reliably hung.
Description
Technical Field
The utility model relates to the technical field of oilfield equipment, in particular to a pipe rod suspension device.
Background
In the oilfield, oil wells, wellheads, tubing and sucker rods are important components of oil recovery. The following is a background description of these components:
Oil well: an oil well is a fundamental unit of oil production and is a passage of oil from an underground reservoir to the surface. Wells are typically designed and constructed by drilling engineers from geologic data and field development plans. The depth, diameter and structure of the well all affect the efficiency and cost of oil recovery.
A wellhead: the wellhead is the inlet of the well, either on the surface or on an offshore platform. Wellhead equipment includes wellhead heads, blowout preventers, tubing hangers, etc., for controlling and managing the production process of the well. Wellhead equipment needs to have high pressure, high temperature, corrosion resistance and other characteristics to ensure safe and stable operation of the oil well.
Oil pipe: tubing is a conduit used to extract oil from a subsurface reservoir to the surface. Oil pipes are usually made of steel pipes and are required to have corrosion resistance, high strength, and sealing properties. The length and diameter of the tubing can affect the efficiency and cost of oil recovery.
Sucker rod: sucker rods are rod-like tools used to drive oil pumps and are typically made of high strength alloy steel. One end of the sucker rod is connected with the oil pump, and the other end is connected with a driving device on the ground through wellhead equipment. The sucker rod needs to have the characteristics of high strength, corrosion resistance, abrasion resistance and the like so as to ensure the normal operation of the oil pump.
In the petroleum exploitation process, oil wells, wellheads, oil pipes, sucker rods and other equipment need to be matched with each other to form a complete production system. The choice, design and maintenance of these equipment directly impacts the efficiency and cost of oil recovery.
The sucker rod and the oil pipe are required to be hung, the oil pipe and the sucker rod are hung at a wellhead before the platform is in place, and at present, the oil pipe and the sucker rod are independently hung. The oil pipe is hung through wellhead equipment, and the sucker rod is hung through the sucker rod elevator, and two parts are hung respectively, so that the structure is complex.
Disclosure of utility model
The utility model provides a pipe rod suspension device, which aims to solve the problem that a sucker rod and an oil pipe are suspended respectively and the structure is complex.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
The utility model provides a pipe rod suspension device, which comprises a wellhead, an oil pipe and a sucker rod, wherein the oil pipe is arranged in the wellhead, and the sucker rod is arranged in the oil pipe; the device also comprises a taper ring, a connecting screw thread and a sucker rod hanger; the conical ring is connected with the oil pipe through a connecting screw thread and is clamped on the wellhead; the connecting screw thread is arranged in the conical ring at the joint of the connecting screw thread and the conical ring, and the end face of the connecting screw thread forms a positioning shoulder; the locating shoulder supports the sucker rod hanger, the sucker rod passes through the sucker rod hanger, and the sucker rod is hung on the sucker rod hanger.
In one embodiment, the upper part of the cone ring is connected with an oil pipe nipple.
In one embodiment, a sucker rod collar is attached to the upper portion of the sucker rod.
In one embodiment, a positioning ring is arranged at the lower part of the cone ring.
In one embodiment, the connecting screw thread is in threaded connection with the conical ring and the oil pipe.
In an embodiment, the outer side surface of the conical ring is provided with a conical surface, and two ends of the inner hole are provided with threads.
In one embodiment, the sucker rod hanger is an annular cylinder, and the outer side surface is provided with a boss.
The beneficial effects achieved by the utility model are as follows:
According to the pipe rod hanging device, the taper ring is connected with the oil pipe through the connecting screw thread, the taper ring is clamped on the wellhead, the locating shoulder supports the sucker rod hanger, the sucker rod penetrates through the sucker rod hanger, and the sucker rod is hung on the sucker rod hanger, so that the sucker rod and the oil pipe can be safely and reliably hung; the connecting screw thread is in threaded connection with the taper ring and the oil pipe, so that the connecting screw thread can be conveniently and quickly detached and installed, and the convenience of maintenance is improved; in a word, this device can hang sucker rod and oil pipe simultaneously, realizes subsequent automatic handling sucker rod operation on the platform, and the installation of preventer of being convenient for and the installation of operation platform can realize the platform and rise down the sucker rod, avoids operation platform secondary to take one's place, has advantages such as safe and reliable, simple structure, convenient operation, be convenient for maintenance, can satisfy the demand in the oil field exploitation process.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a pipe hanger;
FIG. 2 is a cross-sectional view of a pipe hanger;
FIG. 3 is a partial cross-sectional view of a pipe hanger;
FIG. 4 is a partial connection diagram of a pipe hanger;
FIG. 5 is a block diagram of an embodiment 2 of a pipe hanger;
In the figure, 1, an oil well; 2. an oil pipe; 3. a sucker rod; 4. a conical ring; 5. connecting screw threads; 51. positioning shoulders; 6. a sucker rod hanger; 61. a boss; 7. sucker rod coupling; 8. and a positioning ring.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
As shown in fig. 1 to 5, the utility model provides a pipe rod suspension device, which comprises a wellhead, an oil pipe 2 and a sucker rod 3, wherein the oil pipe 2 is arranged in the wellhead, and the sucker rod 3 is arranged in the oil pipe; the device also comprises a taper ring 4, a connecting screw thread 5 and a sucker rod hanger 6; the conical ring 4 is connected with the oil pipe 2 through a connecting screw thread 5, and the conical ring 4 is clamped on a wellhead; the connecting screw thread 5 is arranged in the conical ring 4 at the joint of the connecting screw thread 5 and the conical ring 4, and the end surface of the connecting screw thread 5 forms a positioning shoulder 51; the locating shoulder 51 holds the sucker rod hanger 6, the sucker rod 3 passes through the sucker rod hanger 6, and the sucker rod 3 is suspended on the sucker rod hanger 6.
The conical ring 4 connects the oil pipe 2 through the connecting screw thread 5, and the conical ring 4 is clamped on a wellhead, so that the oil pipe 2 is suspended; the sucker rod hanger 6 takes one end of the connecting screw thread 5 as a positioning shoulder 51 and falls on the upper end of the connecting screw thread 5, thereby hanging the sucker rod 3.
The upper part of the cone ring 4 is connected with an oil pipe nipple. The upper part of the sucker rod 3 is connected with a sucker rod coupling 7. The connecting screw thread 5 is in threaded connection with the taper ring 4 and the oil pipe 2. The outer side surface of the taper ring 4 is provided with a taper surface, and two ends of the inner hole are provided with threads. The sucker rod hanger 6 is an annular cylinder, the outer side surface of the sucker rod hanger is provided with a boss 61, and the boss 61 falls on the positioning shoulder 51 so as to support the sucker rod hanger 6. The sucker rod hanger 6 is of an annular structure, one section of the sucker rod 3 is conical, the thinner neck of the sucker rod 3 penetrates through the sucker rod hanger 6, and the conical part of the sucker rod 3 is clamped on the sucker rod hanger 6.
The upper part of the conical ring 4 is connected with an oil pipe nipple, and the pipe string can be lifted up together through an oil pipe elevator after the nipple is installed.
The upper part of the sucker rod 3 is connected with a sucker rod coupling 7, which can facilitate the installation and the disassembly of the suspension device. The sucker rod nipple and the sucker rod are provided with a coupling, and are respectively provided with a male thread and a female thread, so that the sucker rod nipple and the sucker rod are connected end to end. The connecting screw threads 5 are in threaded connection with the conical ring 4 and the oil pipe 2, so that the firmness and the stability of connection can be enhanced. The outer side surface of the conical ring 4 is provided with a conical surface, and the two ends of the inner hole are provided with threads, so that the matching performance and stability of the conical ring 4 and a wellhead can be improved. The sucker rod hanger 6 is an annular cylinder, and the outer side surface is provided with a boss 61, which can enhance the stability and the bearing capacity of the hanger.
Example 2
As shown in fig. 5, unlike in embodiment 1, the lower portion of the cone ring 4 is provided with a positioning ring 8. Because the shape of the inner wall of the wellhead is different, some inner walls of the wellhead are not sloping surfaces and cannot be matched with the conical surface of the conical ring 4, the lower part of the conical ring 4 is provided with a positioning ring 8, and the positioning ring 8 is fixed on the conical ring 4 and is in contact positioning with the wellhead through the positioning ring 8.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (7)
1. The pipe rod suspension device comprises a wellhead, an oil pipe (2) and a sucker rod (3), wherein the oil pipe (2) is arranged in the wellhead, and the sucker rod (3) is arranged in the oil pipe; the method is characterized in that: the taper ring (4), the connecting screw thread (5) and the sucker rod hanger (6); the conical ring (4) is connected with the oil pipe (2) through a connecting screw thread (5), and the conical ring (4) is clamped on a wellhead; the connecting screw thread (5) is arranged at the connecting position of the conical ring (4), the connecting screw thread (5) is arranged in the conical ring (4), and the end face of the connecting screw thread (5) forms a positioning shoulder (51); the locating shoulder (51) supports the sucker rod hanger (6), the sucker rod (3) passes through the sucker rod hanger (6), and the sucker rod (3) is hung on the sucker rod hanger (6).
2. A pipe hanger according to claim 1, wherein: the upper part of the conical ring (4) is connected with an oil pipe nipple.
3. A pipe hanger according to claim 1, wherein: the upper part of the sucker rod (3) is connected with a sucker rod coupling (7).
4. A pipe hanger according to claim 1, wherein: the lower part of the cone ring (4) is provided with a positioning ring (8).
5. A pipe hanger according to claim 1, wherein: the connecting screw thread (5) is in threaded connection with the taper ring (4) and the oil pipe (2).
6. A pipe hanger according to claim 1, wherein: the outer side surface of the conical ring (4) is provided with a conical surface, and two ends of the inner hole are provided with threads.
7. A pipe hanger according to claim 1, wherein: the sucker rod hanger (6) is an annular cylinder, and a boss (61) is arranged on the outer side face of the sucker rod hanger.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221256725U true CN221256725U (en) | 2024-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |