CN203140385U - Spherical pig receiving device - Google Patents
Spherical pig receiving device Download PDFInfo
- Publication number
- CN203140385U CN203140385U CN 201320124702 CN201320124702U CN203140385U CN 203140385 U CN203140385 U CN 203140385U CN 201320124702 CN201320124702 CN 201320124702 CN 201320124702 U CN201320124702 U CN 201320124702U CN 203140385 U CN203140385 U CN 203140385U
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- CN
- China
- Prior art keywords
- spherical pig
- pig receiving
- barrel
- take
- valve
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- Expired - Lifetime
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Abstract
The utility model discloses a spherical pig receiving device which comprises a spherical pig receiving barrel and a plurality of branch pipelines. An upper blocking plate and a lower blocking plate are respectively arranged at two end openings of the spherical pig receiving barrel. An included angle is arranged between the lower blocking plate and a horizontal plane. The branch pipelines are all communicated with the wall of the spherical pig receiving barrel and are arranged in the radial direction of the spherical pig receiving barrel. A pipe cleaner receiving valve and a system inlet valve are arranged in each branch pipeline. The pipe cleaner receiving valves are used for controlling communication between the branch pipelines and the spherical pig receiving barrel. The system inlet valves are used for controlling communication between the branch pipelines and an oil-gas processing system. According to the spherical pig receiving device, the whole structure is compact, standard flanges are arranged at two ends of the spherical pig receiving device which can then be connected with the pipelines and disassembled from the pipelines conveniently, compared with a conventional pipe cleaner receiving device, mounting area of the spherical pig receiving device is small, the mounting position of the spherical pig receiving barrel can be adjusted according to practical situations, and the spherical pig receiving device is suitable for being used in places such as offshore oil platforms where equipment occupation space requirements are strict.
Description
Technical field
The utility model relates to a kind of spherical pig receiving system, can be applicable to draw together offshore oil and gas processing platform and oil-gas gathering and transportation station.
Background technology
Oil and natural gas is delivered to the treatment process systematic procedure by pipeline from the well head extraction, because components such as the wax in the oil, asphalitine can be deposited on the tube wall under certain condition; On the other hand, along with the time increases, liquid phase increases gradually in the pipeline, has reduced the circulation area of pipeline, thereby has reduced effective conveying capacity of pipeline, increases pressure-drop in pipeline, even forms hydrate, blocking pipe when serious.Therefore,, need carry out pigging operation deposit in the pipeline or alveolar fluid clearance are come out after operation a period of time at pipeline, namely send out spherical pig from pipeline head, and receive spherical pig by the spherical pig receiving system that is located at pipeline terminal.
At present, spherical pig receiving system commonly used has a variety of in the petroleum industry both at home and abroad, but be pooled to the situation of oil gas treatment system for many pipelines, as adopt conventional spherical pig receiving system, need all dispose a spherical pig receiving system for every pipeline, cause equipment investment to raise, occupation space increases, and causes great waste.Especially for offshore platform, its harsh space requirement forces and reduces the platform space that the oil gas treatment system takies as far as possible.Therefore, be necessary to develop a kind of multiple-limb tubular type spherical pig receiving system, to reduce the spherical pig receiving system quantity of being installed when many pipelines are pooled to the oil gas treatment system.
The utility model content
The purpose of this utility model provides a kind of spherical pig receiving system, be specially a kind of multiple-limb tubular type spherical pig receiving system, it has reduced the spherical pig receiving system quantity of installing when many pipelines are pooled to the oil gas treatment system, and its basic principle is to utilize the gravity effect that the spherical pig of different tube diameters pipeline is collected in the same device; Spherical pig receiving system of the present utility model can directly be connected with standard flange, has reduced floor space, and has simplified multiple-limb pipeline pigging flow process.
A kind of spherical pig receiving system provided by the utility model, it comprises spherical pig receiving barrel and several take-off lines;
The two-port place of described spherical pig receiving barrel is provided with overhead gage and lower baffle plate respectively, and is provided with angle between described lower baffle plate and the horizontal plane;
Described several take-off lines all are connected with the barrel of described spherical pig receiving barrel, and along the radial arrangement of described spherical pig receiving barrel;
Be provided with wiper receiving valve and system entry valve in the described take-off line, described wiper receiving valve is used for being communicated with between the described take-off line of control and the described spherical pig receiving barrel; Described system entry valve is used for being communicated with between the described take-off line of control and the oil gas treatment system.
In the above-mentioned spherical pig receiving system, the internal diameter of described several take-off lines does not wait, and the internal diameter of maximum described take-off line is not more than the internal diameter of described wiper receiving valve.
In the above-mentioned spherical pig receiving system, to the direction of described lower baffle plate, the internal diameter of described take-off line reduces successively from described overhead gage, avoids taking place little spherical pig and enters situation in the big caliber pipeline.
In the above-mentioned spherical pig receiving system, the angle between described lower baffle plate and the horizontal plane is not having under the situation of limitation in height less than 45 degree, makes this angle the smaller the better as far as possible, to take full advantage of gravity spherical pig is tumbled to described lower baffle plate place.During use, should note between described lower baffle plate and the ground leaving enough spaces, take out spherical pig in order to open lower baffle plate.
In the above-mentioned spherical pig receiving system, described several take-off lines all are connected with transfer pipeline by flange, can be connected with conveyance conduit fast and dismounting.
In the above-mentioned spherical pig receiving system, be provided with a bypass line at the place, bottom of described spherical pig receiving barrel, be provided with by-passing valve in the described bypass line.
In the above-mentioned spherical pig receiving system, the internal diameter of described bypass line equates with the internal diameter of the described take-off line of internal diameter maximum, do not produce big pressure drop when guaranteeing to receive the spherical pig of take-off line of maximum inner diameter.
Whether in the above-mentioned spherical pig receiving system, the bottom in the porch of each described take-off line on described spherical pig receiving barrel is provided with pigging head signal probe, enter in the described spherical pig receiving barrel with the monitoring spherical pig.
In the above-mentioned spherical pig receiving system, be provided with the gas atmospheric valve near described overhead gage place on the described spherical pig receiving barrel, be provided with the liquid atmospheric valve near described lower baffle plate place.
The utility model spherical pig receiving system has following beneficial effect: compact overall structure of the present utility model, and there is standard flange at two ends, are convenient to be connected, dismantle with pipeline; Chang Gui wiper receiving system relatively, the shared erection space of the utility model is littler, and spherical pig receiving barrel installation site can adjust according to actual conditions, and oil platforms at sea preferably etc. use the strict occasion of equipment occupation space.
Description of drawings
Fig. 1 is the structural representation of the utility model spherical pig receiving system.
Each mark is as follows among the figure: 1 adpting flange, 2 pipeline I wiper receiving valves, 3 pipeline I system entry valves, 4 spherical pig receiving barrels, 5 pipeline II wiper receiving valves, 6 pipeline II system entry valves, 7 pigging head signal probes, 8 by-passing valves, 9 overhead gages, 10 gas atmospheric valves, 11 lower baffle plates, 12 liquid atmospheric valves.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further, but the utility model is not limited to following examples.
As shown in Figure 1, the spherical pig receiving system that the utility model provides comprises spherical pig receiving barrel 4 and 2 take-off lines, be respectively pipeline I (marking among the figure) and pipeline II (marking among the figure), and the internal diameter of pipeline I is greater than the internal diameter of pipeline II, and the internal diameter of pipeline I is less than the internal diameter of spherical pig receiving barrel 4; Pipeline I and pipeline II all are connected with the barrel of spherical pig receiving barrel 4, and along the radial arrangement of spherical pig receiving barrel 4, the pipeline I is positioned at the top of pipeline II; Be provided with overhead gage 9 and lower baffle plate 11 respectively at the two-port place of spherical pig receiving barrel 4, and be provided with the angle less than 45 degree between lower baffle plate 9 and the horizontal plane; In the pipeline I, be provided with pipeline I wiper receiving valve 2 and pipeline I system entry valve 3, wherein pipeline I wiper receiving valve 2 is used for being communicated with between control pipeline I and the spherical pig receiving barrel 4, and pipeline I system entry valve 3 is used for controlling being communicated with between pipeline I and the oil gas treatment system; In the pipeline II, be provided with pipeline II wiper receiving valve 5 and pipeline II system entry valve 6, wherein pipeline II wiper receiving valve 5 is used for being communicated with between control pipeline II and the spherical pig receiving barrel 4, and pipeline II system entry valve 6 is used for controlling being communicated with between pipeline II and the oil gas treatment system.Be provided with a bypass line (among the figure mark) at place, the bottom of spherical pig receiving barrel 4, be provided with by-passing valve 8 in this bypass line, and the internal diameter of this bypass line equates with the internal diameter of pipeline I, do not produce big pressure drop in the time of can guaranteeing to receive the interior spherical pig of pipeline I.In the utility model spherical pig receiving system, pipeline I, pipeline II and bypass line all are connected with pipeline for clearance by adpting flange 1, can be connected with conveyance conduit fast and dismounting.Only illustrate 1 being equipped with among the pigging head signal probe 7(figure in the bottom of the porch of pipeline I and pipeline II on the spherical pig receiving barrel 4), be used for the monitoring spherical pig and enter spherical pig receiving barrel 4.On spherical pig receiving barrel 4, be provided with gas atmospheric valve 10 near overhead gage 9 places, be provided with liquid atmospheric valve 12 near lower baffle plate 11 places.
In the above-mentioned spherical pig receiving system, the number of the take-off line of setting can be adjusted according to actual needs; Angle between lower baffle plate and the horizontal plane can be adjusted in the scope of 0～45 degree.
When using spherical pig receiving system of the present utility model, at first carry out integral installation, this spherical pig receiving system is connected with corresponding uniform internal diameter conveyance conduit by adpting flange 1, can realize Fast Installation and dismounting.The lower baffle plate 11 of pig recenver 4 can be adjusted installation according to the real space situation with the angle of horizontal level, but must be not more than 45 degree.When not carrying out pigging operation, pipeline I wiper receiving valve 2, pipeline II wiper receiving valve 5 and by-passing valve 8 are all closed, and pipeline I system inlet valve 3 and pipeline II system entry valve 6 are all opened.
Hypothesis branch pipeline I is carried out pigging operation, and the course of work of the present utility model is:
1) before the wiper in the pipeline I reaches, opens pipeline I wiper receiving valve 2 and by-passing valve 8, close pipeline I system entry valve 3;
2) pigging head signal probe 7 shows when spherical pig enters spherical pig receiving barrel 4, opens pipeline I system entry valve 3;
3) close pipeline I wiper receiving valve 2 and by-passing valve 8;
4) if the gas-liquid delivery pipeline should be opened gas atmospheric valve 10 earlier, open liquid atmospheric valve 12 again;
5) if there is not gas in the pipeline, directly open liquid atmospheric valve 12;
6) after the liquid emptying, open lower baffle plate 11 and take out spherical pig.
Carry out pigging operation as the take-off line II, adopt step same as described above.
Claims (9)
1. spherical pig receiving system is characterized in that: described receiving system comprises spherical pig receiving barrel and several take-off lines;
The two-port place of described spherical pig receiving barrel is provided with overhead gage and lower baffle plate respectively, and is provided with angle between described lower baffle plate and the horizontal plane;
Described several take-off lines all are connected with the barrel of described spherical pig receiving barrel, and along the radial arrangement of described spherical pig receiving barrel;
Be provided with wiper receiving valve and system entry valve in the described take-off line, described wiper receiving valve is used for being communicated with between the described take-off line of control and the described spherical pig receiving barrel; Described system entry valve is used for being communicated with between the described take-off line of control and the oil gas treatment system.
2. spherical pig receiving system according to claim 1, it is characterized in that: the internal diameter of described several take-off lines does not wait, and the internal diameter of maximum described take-off line is not more than the internal diameter of described wiper receiving valve.
3. spherical pig receiving system according to claim 2 is characterized in that: on from described overhead gage to the direction of described lower baffle plate, the internal diameter of described take-off line reduces successively.
According to claim 1 ?each described spherical pig receiving system in 3, it is characterized in that: the angle between described lower baffle plate and the horizontal plane is less than 45 degree.
According to claim 1 ?each described spherical pig receiving system in 3, it is characterized in that: described several take-off lines all are connected with transfer pipeline by flange.
According to claim 1 ?each described spherical pig receiving system in 3, it is characterized in that: the place, bottom at described spherical pig receiving barrel is provided with a bypass line, is provided with by-passing valve in the described bypass line.
7. spherical pig receiving system according to claim 6, it is characterized in that: the internal diameter of described bypass line equates with the internal diameter of the described take-off line of internal diameter maximum.
According to claim 1 ?each described spherical pig receiving system in 3, it is characterized in that: the bottom in the porch of each described take-off line on described spherical pig receiving barrel is provided with pigging head signal probe.
According to claim 1 ?each described spherical pig receiving system in 3, it is characterized in that: be provided with the gas atmospheric valve near described overhead gage place on the described spherical pig receiving barrel, be provided with the liquid atmospheric valve near described lower baffle plate place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124702 CN203140385U (en) | 2013-03-19 | 2013-03-19 | Spherical pig receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124702 CN203140385U (en) | 2013-03-19 | 2013-03-19 | Spherical pig receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203140385U true CN203140385U (en) | 2013-08-21 |
Family
ID=48967941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320124702 Expired - Lifetime CN203140385U (en) | 2013-03-19 | 2013-03-19 | Spherical pig receiving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203140385U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586247A (en) * | 2013-11-14 | 2014-02-19 | 中国海洋石油总公司 | Filling base for spherical pig |
| CN104056827A (en) * | 2013-03-19 | 2014-09-24 | 中国海洋石油总公司 | Spherical pig receiving device |
| CN105814277A (en) * | 2013-12-17 | 2016-07-27 | 阿克解决方案公司 | Subsea filler line system and method for transporting various fluids through a master flow conduit |
-
2013
- 2013-03-19 CN CN 201320124702 patent/CN203140385U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056827A (en) * | 2013-03-19 | 2014-09-24 | 中国海洋石油总公司 | Spherical pig receiving device |
| CN103586247A (en) * | 2013-11-14 | 2014-02-19 | 中国海洋石油总公司 | Filling base for spherical pig |
| CN103586247B (en) * | 2013-11-14 | 2015-09-09 | 中国海洋石油总公司 | Spherical pig filling base |
| CN105814277A (en) * | 2013-12-17 | 2016-07-27 | 阿克解决方案公司 | Subsea filler line system and method for transporting various fluids through a master flow conduit |
| CN105814277B (en) * | 2013-12-17 | 2019-06-14 | 阿克解决方案公司 | The seabed filler line system and method for main flow pipeline is passed through for transporting multiple fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |