Telescopic offshore oil control oil pipe

Abstract

The utility model provides a telescopic offshore oil control oil pipe. According to the telescopic offshore oil control oil pipe, a mounting ring is fixedly connected to the top end of a first oil pipe, a second fixing ring is fixedly connected to the bottom end of the first oil pipe, a sealing pipe is arranged in the first oil pipe, and two mounting grooves are formed in the outer surface of the sealing pipe; second sealing rings are arranged in the mounting grooves correspondingly, and first sealing rings are mounted at the top end and the bottom end of the sealing pipe through fixing bolts correspondingly. According to the telescopic offshore oil control oil pipe, the first sealing ring and the second sealing ring are matched to ensure the sealing performance of the joint of the sealing pipe and the first oil pipe, and then the length of the control oil pipe is extended through the second oil pipe capable of moving in the first oil pipe; and the threaded rod is matched to fix the control oil pipe after the control oil pipe is adjusted to the corresponding length, so that the applicability of the control oil pipe is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of marine oil control oil pipes, in particular to a telescopic marine oil control oil pipe. Background Art

[0002] The oil pipeline is a pipe that transports crude oil and natural gas from the oil and gas layer to the surface after drilling is completed. It is used to withstand the pressure generated during the mining process.

[0003] The processing forms of the oil pipe ends are: non-thickened with threads and couplings, externally thickened with threads and couplings, flat end, non-thickened with threads and couplings, externally thickened with threads and couplings. The main function of the control oil pipe is to transmit signals and control. In the hydraulic system used in offshore oil extraction, the control oil pipe realizes various control functions by transmitting pressure signals.

[0004] The length of the traditional control oil pipe is fixed, and the control oil pipe of the corresponding size needs to be customized according to different spacings, which reduces the applicability of the control oil pipe for use in offshore oil production equipment.

[0005] Therefore, it is necessary to provide a retractable marine oil control oil pipe to solve the above technical problems. Utility Model Content

[0006] The utility model provides a telescopic marine oil control oil pipe, which solves the problem that the fixed-length control oil pipe cannot be adjusted in length according to demand and needs to be customized in size under certain circumstances, which reduces the applicability of the control oil pipe.

[0007] In order to solve the above technical problems, the utility model provides a retractable offshore oil control oil pipe comprising: a first oil pipe;

[0008] The cam is provided with a sealing ring, wherein the sealing ring is fixedly connected to the top end of the first oil pipe, the bottom end of the first oil pipe is fixedly connected to the second fixing ring, the first oil pipe is provided with a sealing tube inside, the outer surface of the sealing tube is provided with two mounting grooves, the insides of the mounting grooves are provided with second sealing rings, the top and bottom ends of the sealing tube are both provided with first sealing rings through fixing bolts, the top end of the sealing tube is fixedly connected to the second oil pipe, the top end of the second oil pipe is fixedly connected to the first fixing ring, the opposite side of the outer surface of the first fixing ring is fixedly connected to a mounting block, the tops of the mounting block and the mounting ring are provided with through threaded holes, the tops of the mounting blocks are threadedly connected to threaded rods, and the tops of the two threaded rods are fixedly connected to rotating bolts;

[0009] Two connecting pipes, the two connecting pipes are respectively fixedly connected to ends of the first fixing ring and the second fixing ring that are opposite to each other;

[0010] The sealing tube is slightly larger in diameter than the second oil pipe. The mounting ring has a hole through which the second oil pipe can pass. The stabilizing ring is sleeved on the outer surface of the first oil pipe. The connecting tube is connected to other pipes through a connecting structure. The threaded rod threadably penetrates the mounting block and the mounting ring.

[0011] Preferably, the other ends of the two connecting pipes are fixedly connected with a clamp, and the outer surface of one of the connecting pipes is provided with a first connecting head;

[0012] The first connecting head is rotatably connected to the outer surface of the connecting pipe.

[0013] Preferably, a second connector is disposed on the outer surface of one of the connecting pipes, and a sealing gasket is disposed inside the second connector and the first connector;

[0014] The sealing gasket increases the sealing performance of the connection between the first connector and the second connector and other connecting pipes.

[0015] Preferably, the first connector and the second connector have cards installed on the opposite sides of their outer surfaces through mounting bolts, and one end of each set of cards is fixedly connected to a connecting block;

[0016] The card is stuck on the outer surfaces of the first connector and the second connector.

[0017] Preferably, one adjacent side of each group of the connecting blocks is fixedly connected with a docking ring, and a dust cover is installed between the two docking rings;

[0018] The docking ring is sleeved on the outer surfaces of the first oil pipe and the second oil pipe.

[0019] Preferably, the top and bottom ends of the sealing tube are provided with threaded holes threadedly connected to the fixing bolts, and the bottom ends of the two threaded rods are rotatably connected to a stabilizing ring through a rotating ring;

[0020] A stabilizing ring holds the other ends of the two threaded rods together.

[0021] Compared with the related art, the retractable offshore oil control oil pipe provided by the utility model has the following beneficial effects:

[0022] The utility model provides a telescopic marine oil control oil pipe. In order to increase the applicability of the control oil pipe for use on marine oil production equipment, the control oil pipe is first divided into a first oil pipe and a second oil pipe, and then a sealing pipe is installed at one end of the second oil pipe, and an installation groove for installing a second sealing ring is opened on the outer surface of the sealing pipe, and the first sealing ring is installed at the top and bottom ends of the sealing pipe through fixing bolts, and then the second oil pipe is inserted from one end of the first oil pipe, and the sealing pipe is moved inside the first oil pipe, and the sealing pipe and the first oil pipe are sealed by using the first sealing ring and the second sealing ring, and the second oil pipe is connected from the fixed groove at the other end of the first oil pipe. After the fixing ring is passed out, you only need to weld the first fixing ring to the other end of the second oil pipe, and then install the second fixing ring at the other end of the first oil pipe, and then pass the two threaded rods through the threaded holes on the mounting ring and the first fixing ring, you can adjust the positions of the first oil pipe and the second oil pipe as needed, so that the length of the control oil pipe can be adjusted. Through this design, the first sealing ring and the second sealing ring are used to ensure the sealing of the connection between the sealing pipe and the first oil pipe, and then the length of the control oil pipe is extended by the second oil pipe that can move inside the first oil pipe, and then the threaded rod is used to fix the control oil pipe after it is adjusted to the corresponding length, thereby increasing the applicability of the control oil pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A structural schematic diagram of a preferred embodiment of a retractable offshore oil control oil pipe provided by the utility model;

[0024] Figure 2 A schematic diagram of the structure of a dust cover is provided for the utility model;

[0025] Figure 3 A structural schematic diagram of a threaded rod is provided for the utility model;

[0026] Figure 4 Provided for the utility model Figure 3 An enlarged view of point A is shown;

[0027] Figure 5 Provided for the utility model Figure 1 An enlarged view of point B is shown.

[0028] Numbers in the figure: 1. first oil pipe, 2. threaded rod, 3. mounting ring, 4. mounting block, 5. rotating bolt, 6. first connecting head, 7. connecting pipe, 8. first fixing ring, 9. dust cover, 10. rotating ring, 11. second connecting head, 12. second fixing ring, 13. stabilizing ring, 14. docking ring, 15. threaded hole, 16. sealing gasket, 17. clamping head, 18. second oil pipe, 19. card, 20. mounting bolt, 21. connecting block, 22. sealing pipe, 23. first sealing ring, 24. fixing bolt, 25. second sealing ring, 26. mounting groove. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a retractable offshore oil control oil pipe provided by the utility model; Figure 2 A schematic diagram of the structure of an extension sleeve is provided for the utility model; Figure 3 A structural schematic diagram of a threaded rod is provided for the utility model;

[0031] Figure 4 Provided for the utility model Figure 3 An enlarged view of point A is shown; Figure 5 Provided for the utility model Figure 1 The enlarged view of point B is shown. The retractable offshore oil control oil pipe comprises: a first oil pipe 1;

[0032] A mounting ring 3, wherein the mounting ring 3 is fixedly connected to the top end of the first oil pipe 1, and the bottom end of the first oil pipe 1 is fixedly connected to the second fixing ring 12, a sealing tube 22 is arranged inside the first oil pipe 1, and two mounting grooves 26 are arranged on the outer surface of the sealing tube 22, and second sealing rings 25 are arranged inside the mounting grooves 26, and first sealing rings 23 are installed on the top and bottom ends of the sealing tube 22 through fixing bolts 24, and the top end of the sealing tube 22 is fixedly connected to the second oil pipe 18, and the top end of the second oil pipe 18 is fixedly connected to the first fixing ring 8, and the outer surface of the first fixing ring 8 is fixedly connected to the opposite side with a mounting block 4, and the tops of the mounting block 4 and the mounting ring 3 are provided with through threaded holes 15, and the tops of the mounting blocks 4 are threadedly connected to threaded rods 2, and the tops of the two threaded rods 2 are fixedly connected to rotating bolts 5;

[0033] Two connecting pipes 7, the two connecting pipes 7 are respectively fixedly connected to the first fixing ring 8 and the second fixing ring 12 at opposite ends;

[0034] The sealing tube 22 is slightly larger than the diameter of the second oil pipe 18. The mounting ring 3 has an opening for the second oil pipe 18 to pass through. The stabilizing ring 13 is sleeved on the outer surface of the first oil pipe 1. The connecting pipe 7 is connected to other pipes through a connecting structure. The threaded rod 2 passes through the mounting block 4 and the mounting ring 3, so that the extension length of the first oil pipe 1 and the second oil pipe 18 can be controlled. The position of the first sealing ring 23 is referenced to Figure 4 .

[0035] The other ends of the two connecting pipes 7 are fixedly connected with a clamp 17, and the outer surface of one of the connecting pipes 7 is provided with a first connecting head 6;

[0036] The first connector 6 is rotatably connected to the outer surface of the connecting pipe 7 , and a thread is formed on the inner surface of the first connector 6 .

[0037] A second connector 11 is disposed on the outer surface of the connecting pipe 7, and a sealing gasket 16 is disposed inside the second connector 11 and the first connector 6;

[0038] The sealing gasket 16 increases the sealing performance of the connection between the first connector 6 and the second connector 11 and other connecting pipes.

[0039] The first connector 6 and the second connector 11 are both provided with cards 19 on the opposite sides of the outer surfaces thereof through mounting bolts 20, and one end of each set of cards 19 is fixedly connected with a connecting block 21;

[0040] The card 19 is clamped on the outer surface of the first connector 6 and the second connector 11. The outer surface of the first connector 6 and the second connector 11 is provided with holes threadedly connected with the mounting bolts 20, but not penetrated.

[0041] A docking ring 14 is fixedly connected to one adjacent side of each group of the connecting blocks 21, and a dust cover 9 is installed between the two docking rings 14;

[0042] The dust cover 9 can be extended in length, and the docking ring 14 is sleeved on the outer surfaces of the first oil pipe 1 and the second oil pipe 18 .

[0043] The top and bottom ends of the sealing tube 22 are both provided with threaded holes 15 threadedly connected to the fixing bolts 24, and the bottom ends of the two threaded rods 2 are rotatably connected to the stabilizing ring 13 through the rotating ring 10;

[0044] The stabilizing ring 13 mounts the other ends of the two threaded rods 2 together to increase stability, and the stabilizing ring 13 does not rotate when the threaded rods 2 rotate.

[0045] The working principle of the retractable offshore oil control oil pipe provided by the utility model is as follows:

[0046] First, the control oil pipe is divided into a first oil pipe 1 and a second oil pipe 18, and then a sealing pipe 22 is installed at one end of the second oil pipe 18, and a mounting groove 26 for mounting a second sealing ring 23 is opened on the outer surface of the sealing pipe 22, and the first sealing ring 23 is installed at the top and bottom ends of the sealing pipe 22 through fixing bolts 24, and then the second oil pipe 18 is inserted from one end of the first oil pipe 1, and the sealing pipe 22 is moved inside the first oil pipe 1, and the sealing pipe 22 and the first oil pipe 1 are sealed by the first sealing ring 23 and the second sealing ring 25, and the second oil pipe 18 is inserted from the fixing ring 8 at the other end of the first oil pipe 1, and then Finally, it is only necessary to weld the first fixing ring 8 to the other end of the second oil pipe 18, and then install the second fixing ring 12 at the other end of the first oil pipe 1, and then pass the two threaded rods 2 through the threaded holes 15 on the mounting ring 3 and the first fixing ring 8, so that the positions of the first oil pipe 1 and the second oil pipe 18 can be adjusted as needed, thereby adjusting the length of the control oil pipe. In actual use, after the control oil pipe composed of the first oil pipe 1 and the second oil pipe 18 is assembled, it is only necessary to use the rotating bolt 5 to drive the two threaded rods 2 to rotate, so as to adjust the position of the sealing tube 22 inside the first oil pipe 1, and the length of the control oil pipe can be adjusted as needed.

[0047] Compared with the related art, the retractable offshore oil control oil pipe provided by the utility model has the following beneficial effects:

[0048] In order to increase the applicability of the control oil pipe for use in offshore oil production equipment, the control oil pipe is first divided into a first oil pipe 1 and a second oil pipe 18, and then a sealing pipe 22 is installed at one end of the second oil pipe 18, and a mounting groove 26 for mounting a second sealing ring 23 is provided on the outer surface of the sealing pipe 22, and the first sealing ring 23 is installed at the top and bottom ends of the sealing pipe 22 through fixing bolts 24, and then the second oil pipe 18 is inserted from one end of the first oil pipe 1, and the sealing pipe 22 is moved inside the first oil pipe 1, and the first sealing ring 23 and the second sealing ring 25 are used to seal the sealing pipe 22 and the first oil pipe 1, and the second oil pipe 18 is inserted from the fixing ring 8 at the other end of the first oil pipe 1, and then After that, it is only necessary to weld the first fixing ring 8 to the other end of the second oil pipe 18, and then install the second fixing ring 12 at the other end of the first oil pipe 1, and then pass the two threaded rods 2 through the threaded holes 15 on the mounting ring 3 and the first fixing ring 8, so that the positions of the first oil pipe 1 and the second oil pipe 18 can be adjusted as needed, thereby adjusting the length of the control oil pipe. Through this design, the first sealing ring 23 and the second sealing ring 25 are used to ensure the sealing of the connection between the sealing pipe 22 and the first oil pipe 1, and then the length of the control oil pipe is extended through the second oil pipe 18 that can move inside the first oil pipe 1, and then the threaded rod 2 is used to fix the control oil pipe after it is adjusted to the corresponding length, thereby increasing the applicability of the control oil pipe.

[0049] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A retractable offshore oil control pipe, characterized in that: include: First oil pipeline; The cam is provided with a sealing ring, wherein the sealing ring is fixedly connected to the top end of the first oil pipe, the bottom end of the first oil pipe is fixedly connected to the second fixing ring, the first oil pipe is provided with a sealing tube inside, the outer surface of the sealing tube is provided with two mounting grooves, the insides of the mounting grooves are provided with second sealing rings, the top and bottom ends of the sealing tube are both provided with first sealing rings through fixing bolts, the top end of the sealing tube is fixedly connected to the second oil pipe, the top end of the second oil pipe is fixedly connected to the first fixing ring, the opposite side of the outer surface of the first fixing ring is fixedly connected to a mounting block, the tops of the mounting block and the mounting ring are provided with through threaded holes, the tops of the mounting blocks are threadedly connected to threaded rods, and the tops of the two threaded rods are fixedly connected to rotating bolts; Two connecting pipes are respectively fixedly connected to the first fixing ring and the second fixing ring at one end opposite to the other.

2. The retractable offshore oil control pipe according to claim 1, characterized in that: The other ends of the two connecting pipes are fixedly connected with clamps, and the outer surface of one of the connecting pipes is provided with a first connecting head.

3. The retractable offshore oil control pipe according to claim 1, characterized in that: A second connector is disposed on the outer surface of one of the connecting pipes, and sealing pads are disposed inside the second connector and the first connector.

4. The retractable offshore oil control pipe according to claim 3 is characterized in that: Cards are installed on the opposite sides of the outer surfaces of the first connector and the second connector via mounting bolts, and one end of each group of the cards is fixedly connected to a connecting block.

5. The retractable offshore oil control pipe according to claim 4, characterized in that: One adjacent side of each group of the connecting blocks is fixedly connected with a docking ring, and a dust cover is installed between the two docking rings.

6. The retractable offshore oil control pipe according to claim 1, characterized in that: The top and bottom ends of the sealing tube are both provided with threaded holes threadedly connected to the fixing bolts, and the bottom ends of the two threaded rods are rotatably connected to a stabilizing ring through a rotating ring.

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