CN208594922U - A kind of carbon dioxide low-pressure manifold sled - Google Patents
A kind of carbon dioxide low-pressure manifold sled Download PDFInfo
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- CN208594922U CN208594922U CN201820922587.5U CN201820922587U CN208594922U CN 208594922 U CN208594922 U CN 208594922U CN 201820922587 U CN201820922587 U CN 201820922587U CN 208594922 U CN208594922 U CN 208594922U
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- carbon dioxide
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- pressure manifold
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Abstract
The utility model provides a kind of carbon dioxide low-pressure manifold sled, including skid, the skid is equipped with bracket, supervisor is installed on the bracket, the supervisor is equipped with multiple suction inlets and outlet along axial sides respectively, control valve and mating endcap are equipped on the suction inlet and outlet, supervisor's axial ends is closed by union and plug.The utility model, it can be achieved that the modularization of low pressure block is installed, facilitates lifting in carbon dioxide pressure break construction organization, the mode that the connection of site operation pipeline can be simplified improves mixed and disorderly low-pressure line connection, reduces manpower waste, effect is proposed, construction period is shortened.Included safety valve and emptying ball valve simultaneously, thin-wall circular tube reduces the noise of air-flow generation when emptying.Whole corrosion-resistant, low temperature resistant, pressure-bearing grade is all higher than conventional distributor, reaches safe and efficient and huge discharge feed flow requirement.
Description
Technical field
The utility model belongs to well fracturing equipment technical field, and in particular to a kind of carbon dioxide low-pressure manifold sled.
Background technique
In recent years, carbon dioxide pressure break technology is increasingly praised highly by oil company both domestic and external, is not only due to titanium dioxide
Carbon take sand enter it is small to the injury on stratum behind stratum, even more because either on ground or subterranean oil gas reservoir carbon dioxide does not all have
There is any pollution.
Currently, the carbon dioxide pressure break technology in China is in the starting stage, live low-pressure line is directly connected by storage tank
It connects on pressurization pump truck or closed mixing device, this results in connecting, storage tank limited amount, pipeline are mixed and disorderly, experienced technology
Personnel will also install relief valve on every root canal line, time-consuming and laborious., storage increasing for the injection discharge capacity of present pressing crack construction
Tank is more and more, and light is no longer satisfied the needs of construction with pipeline.Usually one will be taken in connection low-pressure line this part
The time of all day causes the waste on serious financial consequences and manpower, financial resources to enterprise.
Utility model content
The purpose of this utility model is to provide a kind of carbon dioxide low-pressure manifold sleds, overcome carbon dioxide in the prior art
Pressing crack construction enterprise schema there is low-pressure line it is miscellaneous more, connection is complicated, and the preliminary preparation time is long, loading and unloading amount
Greatly, installation fatigue resistance in construction site is big, the higher problem of security risk.
The technical scheme that the utility model is provided is as follows:
A kind of carbon dioxide low-pressure manifold sled, including skid, the skid are equipped with bracket, are installed with master on the bracket
Pipe, the supervisor are equipped with multiple suction inlets and outlet respectively along axial sides, are equipped on the suction inlet and outlet
Control valve and mating endcap, supervisor's axial ends are closed by union and plug.
The supervisor top is equipped with multiple safe take-off mouths, and each take-off mouth is respectively mounted the safety valve of setting release pressure.
The supervisor top is respectively equipped with emptying ball valve, the emptying ball valve lower extension pipe insertion master close to axial ends
Bottom of the tube, and there are gaps between the two.
The emptying ball valve is connected with thin-wall circular tube.
Supervisor's axial ends is sequentially connected and is formed by male union, eccentric reducer and female plug.
The mating endcap is installed on supervisor by chain, and the control valve is acid-resistant stainless steel butterfly valve, low pressure 2-
3MPa。
The thin-wall circular tube includes round tube ontology, and one end of the round tube ontology is equipped with outer circle step, the outer circle step
Outer diameter is greater than the outer diameter in the middle part of round tube ontology, and the outer circle step and round tube ontology are connected using the arc transition of R50~R100
It connects, the other end of the round tube ontology is equipped with flange.
The beneficial effects of the utility model are:
The utility model is in carbon dioxide pressure break construction organization, it can be achieved that the modularization of low pressure block is installed.Simultaneously certainly
Band safety valve and emptying ball valve, thin-wall circular tube reduces the noise of air-flow generation when emptying.It is whole it is corrosion-resistant, low temperature resistant, hold
Pressure grade is all higher than conventional distributor, reaches safe and efficient and huge discharge feed flow requirement.
It is described in further details below in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is the main view of the utility model embodiment；
Fig. 2 is the top view of the utility model embodiment；
Fig. 3 is the partial schematic diagram of safety valve and emptying ball valve.
In figure: 1, being responsible for；2, public union；3, control valve；4, bracket；5, connector；6, ball valve is emptied；7, evacuated tube；8, pacify
Full valve；9, axial ends；10, female plug 10；11, suction inlet；12, outlet；13, skid；14, thin-wall circular tube；15, chain.
Specific embodiment
Embodiment 1:
A kind of carbon dioxide low-pressure manifold sled is present embodiments provided, including skid 13, the skid 13 are equipped with bracket
4, supervisor 1 is installed on the bracket 4, the supervisor 1 is equipped with multiple suction inlets 11 and outlet 12 along axial sides respectively,
Be equipped with control valve 3 and mating endcap on the suction inlet 11 and outlet 12,1 axial ends 9 of the supervisor by union and
Plug closing.
This carbon dioxide low-pressure manifold sled realizes the modularization installation of low pressure block, can be convenient the control for carrying out liquid
System.Multiple control valves 3 can realize different configurations and the buffering method of liquid carbon dioxide, make the achievable pressing crack construction process of device
The alternative supply of middle liquid.
Manifold sledge is placed on suitable position when constructing by site tissue can efficiently connect rapidly feed flow low-pressure line,
Personnel labor intensity is alleviated in this way, improves safety guarantee, reduces duty cycle, reduces operating cost.
Embodiment 2:
On the basis of embodiment 1, a kind of carbon dioxide low-pressure manifold sled, 1 top of the supervisor are present embodiments provided
Equipped with multiple safe take-off mouths, each take-off mouth is respectively mounted the safety valve 8 of setting release pressure.
1 top of the supervisor is respectively equipped with emptying ball valve 6 close to axial ends 9, and 6 lower extension pipe of emptying ball valve is inserted
Enter 1 bottom of supervisor, and there are gaps between the two.Purpose is to ensure that CO in manifold2It can be emptied completely.
Safety valve 8 and emptying ball valve 6 are for guaranteeing that pressure bleeds off deposition in safe range and after construction
Carbon dioxide.Evacuated tube 7 makes the direction when discharging carbon dioxide upward, air-flow be avoided to hurt sb.'s feelings.
The device facilitates lifting, can simplify the mode of site operation pipeline connection, improves mixed and disorderly low-pressure line connection, band
There are safety valve 8, emptying ball valve 6 and evacuated tube 7, does not have to separately installed again.Reduce manpower waste, proposes effect, shorten and apply
The work period.
Embodiment 3:
On the basis of embodiment 2, a kind of carbon dioxide low-pressure manifold sled, the emptying ball valve 6 are present embodiments provided
It is connected with thin-wall circular tube 14.Thin-wall circular tube 14 can reduce emptying noise.
1 axial ends 9 of the supervisor is sequentially connected and is formed by male union 2, eccentric reducer and female plug 10.
The mating endcap is installed on supervisor 1 by chain 15, and the control valve 3 is acid-resistant stainless steel butterfly valve, low pressure
For 2-3MPa.
The thin-wall circular tube 14 includes round tube ontology, and one end of the round tube ontology is equipped with outer circle step, the outer circle step
Outer diameter be greater than the outer diameter in the middle part of round tube ontology, and the outer circle step and round tube ontology use the arc transition of R50~R100
The other end of connection, the round tube ontology is equipped with flange.
Embodiment 4:
On the basis of previous embodiment, a kind of carbon dioxide low-pressure manifold sled is present embodiments provided, as shown in Figure 1, Figure 2,
Shown in Fig. 3, supervisor 1 is 6 cun of 316L stainless steels, the axial ends 9 for being responsible for 1 is successively 4 " 2(M mouthfuls of the welding public affairs union of FIG206
Band wing nut) with 10,4 " butterfly valve, 6 " -4 of female plug, " eccentric reducer is formed, i.e., welds between two 6 " -4 " eccentric reducers
It is responsible for 16 cun of 316L stainless steel supervisors 1.It is responsible for 1 side and is evenly distributed with ten suction inlets 11, each suction inlet 11 is successively by 4 " FIG206
Public 2 connector 5 of union is connected with the low pressure suction port 11 of pressure break pump truck, and control valve 3 uses 4 " manual acid-resistant stainless steel butterfly valves.Supervisor
The manual acid-resistant stainless steel butterfly valve of 1 other side manifold 54 uniformly distributed " outlet of FIG206 public affairs union 2 and 4 " and wing nut, outlet are equal
It is fixed on manifold equipped with female plug 10, and with chain 15.
It is responsible for 1 top and is evenly distributed with 5 safe take-off mouths, each take-off mouth is respectively mounted the 1/2 " peace that release pressure is 3.8MPa
Full valve 8,1 top of supervisor, which are separately installed with 1 1/4 close to the position for outputting and inputting mouth, " empties ball valve 6, after emptying ball valve 6
Thin-wall circular tube 14 is connect to reduce emptying noise, exhaust-valve lower extension pipe will be inserted into manifold bottom, with bottom there are a fixed gap,
Ensure CO in manifold2It can be emptied completely, evacuated tube 7 cannot influence the switch of butterfly valve.
It is short to be respectively provided with 15 set of 4 " the double female unions of FIG206 stainless steel are shorted and 5 set 4 " double public union 2 of FIG206 stainless steel
It connects, and is supported with bracket 4, the public short circuit of union 2 does not allow to rotate on bracket 4.Each public affairs union 2, which is shorted top, one
" emptying ball valve 6 and thin-walled noise abatement round tube, safe mouth are with a release pressure for evacuation port and safe mouth, evacuation port installation 1/4
The 1/2 of 3.8MPa " safety valve 8.Exhaust-valve lower extension pipe will be inserted into manifold bottom, and there are a fixed gaps with bottom, it is ensured that pipe
CO in converging2It can be emptied completely.
The device main tube uses corrosion-resistant, low temperature resistant (- 46 DEG C~+121 DEG C) material, is not only applicable in carbon dioxide
Pressure break, it can also be used to conventional pressure break, acidizing treatment.All sealing elements adapt to CO2Low temperature (- 46 DEG C) characteristic, meets hermetic seal
It is required that；Low temperature butterfly valve is suitable for liquid CO2, temperature range: -45~345 DEG C；8 pressure limit of safety valve: 140~600psi
(0.97~4.2psi)；Temperature: -195 DEG C~173 DEG C, PTFE seal is suitable for liquid CO2.The above accessory and material are effectively protected
Site operation has been demonstrate,proved, the noise of security risk and scene is reduced.
The application mode of the utility model are as follows:
1, according to the quantity and exhaust position of operational discharge capacity and carbon dioxide storage tank, corresponding Special low-voltage manifold sled is put
It sets in fixed position and is connected；
2, the inlet of each Special low-voltage manifold sledge passes through 10 tool storage tank of low-pressure line connection or CO2Tank car, 5 outlets
Connect CO2Pressurization pump truck (if storage tank can be voluntarily pressurized, outlet line is connected directly to closed mixing device)；
3, it checks that safety valve 8 is normal, empties ball valve 6 to close, opens each road butterfly valve, prepare to start feed flow；
4, start pressing crack construction, it can be with each feed liquor butterfly valve of appropriate adjustment according to each tank level display situation in construction
Switch size, or directly close butterfly valve to guarantee the sustainable supply of liquid carbon dioxide liquid without walking sky；
5, construction mesolow line pressure can be controlled in 2-3MPa, and superpressure such as occurs, and safety valve 8 can the release pressure of take-off immediately
Power；
6, residual carbon dioxide is discharged by opening emptying ball valve 6 after pressing crack construction.
Embodiment 5:
The application for present embodiments providing a kind of carbon dioxide low-pressure manifold sled, is applied for carbon dioxide pressure break or acidification
Work.
Carbon dioxide storage tank or tank car are connected to fracturing unit by the manifold sledge, feed flow is can effectively ensure that and controls list
The flow rate of liquid of a storage tank.Supervisor 1 uses corrosion-resistant, low temperature resistant (- 46 DEG C~+121 DEG C) material, is not only applicable in carbon dioxide
Pressure break, it can also be used to conventional pressure break, acidizing treatment.
Embodiment 6:
On the basis of previous embodiment, a kind of carbon dioxide fracturing process is present embodiments provided, uses one or more
A carbon dioxide low-pressure manifold sled, comprising the following steps:
Step 1) passes through 1 axis of supervisor according to operational discharge capacity, first the carbon dioxide low-pressure manifold sled of selection corresponding number
It connects to both ends 9, then suction inlet 11 connects carbon dioxide storage tank or tank car, and outlet 12 connects carbon dioxide booster pump
Vehicle or closed mixing device；
Step 2 opens each control valve 3 and starts feed flow progress pressing crack construction.
In conclusion the utility model is in carbon dioxide pressure break construction organization, it can be achieved that the modularization of low pressure block is pacified
Dress.Included safety valve 8 and emptying ball valve 6 simultaneously, when emptying, reduce the noise of air-flow generation.It is whole it is corrosion-resistant, low temperature resistant,
Pressure-bearing grade is all higher than conventional distributor, reaches safe and efficient and huge discharge feed flow requirement.
Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model
Limitation, it is all to be belonged within the protection scope of the utility model with the same or similar design of the utility model.Embodiment does not have
There are the well-known components and common structure or conventional means of the component described in detail and the structure category industry, does not describe one by one here.
Claims (7)
1. a kind of carbon dioxide low-pressure manifold sled, including skid (13), it is characterised in that: the skid (13) is equipped with bracket
(4), it is installed with supervisor (1) on the bracket (4), the supervisor (1) is equipped with multiple suction inlets (11) along axial sides respectively
With outlet (12), control valve (3) and mating endcap, the supervisor are equipped on the suction inlet (11) and outlet (12)
(1) axial ends (9) is closed by union and plug.
2. a kind of carbon dioxide low-pressure manifold sled according to claim 1, it is characterised in that: described supervisor (1) top is set
There are multiple safe take-off mouths, each take-off mouth is respectively mounted the safety valve (8) of setting release pressure.
3. a kind of carbon dioxide low-pressure manifold sled according to claim 1, it is characterised in that: described supervisor (1) top is leaned on
Nearly axial ends (9) is respectively equipped with emptying ball valve (6), and (1) bottom is responsible in emptying ball valve (6) the lower extension pipe insertion, and
There are gaps between the two.
4. a kind of carbon dioxide low-pressure manifold sled according to claim 3, it is characterised in that: the emptying ball valve (6) is even
It is connected to thin-wall circular tube (14).
5. a kind of carbon dioxide low-pressure manifold sled according to claim 1, it is characterised in that: the supervisor (1) axial two
End (9) is sequentially connected and is formed by male union (2), eccentric reducer and female plug (10).
6. a kind of carbon dioxide low-pressure manifold sled according to claim 1, it is characterised in that: the mating endcap passes through chain
Item (15) is installed on supervisor (1), and the control valve (3) is acid-resistant stainless steel butterfly valve, low pressure 2-3MPa.
7. a kind of carbon dioxide low-pressure manifold sled according to claim 4, it is characterised in that: thin-wall circular tube (14) packet
Round tube ontology is included, one end of the round tube ontology is equipped with outer circle step, and the outer diameter of the outer circle step is greater than in the middle part of round tube ontology
Outer diameter, and the outer circle step is connect with round tube ontology using the arc transition of R50~R100, the other end of the round tube ontology is set
There is flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922587.5U CN208594922U (en) | 2018-06-14 | 2018-06-14 | A kind of carbon dioxide low-pressure manifold sled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820922587.5U CN208594922U (en) | 2018-06-14 | 2018-06-14 | A kind of carbon dioxide low-pressure manifold sled |
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| CN208594922U true CN208594922U (en) | 2019-03-12 |
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| CN201820922587.5U Active CN208594922U (en) | 2018-06-14 | 2018-06-14 | A kind of carbon dioxide low-pressure manifold sled |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708705A (en) * | 2018-08-31 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司 | A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process |
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2018
- 2018-06-14 CN CN201820922587.5U patent/CN208594922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708705A (en) * | 2018-08-31 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司 | A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201028 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: 610056 6 Chenghua District chase street, Chengdu, Sichuan Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. Patentee before: CHANGQING DOWNHOLE TECHNOLOGY OPERATION COMPANY OF CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. |