CN108708705A - A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process - Google Patents
A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process Download PDFInfo
- Publication number
- CN108708705A CN108708705A CN201810613348.6A CN201810613348A CN108708705A CN 108708705 A CN108708705 A CN 108708705A CN 201810613348 A CN201810613348 A CN 201810613348A CN 108708705 A CN108708705 A CN 108708705A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- supervisor
- pressure
- low
- pressure manifold
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/164—Injecting CO2 or carbonated water
Abstract
The present invention provides a kind of carbon dioxide low-pressure manifold sled and its application and fracturing process, including skid, the skid is equipped with holder, supervisor is installed on the holder, the supervisor is equipped with multiple suction inlets and outlet in both sides respectively in an axial direction, control valve and mating endcap are equipped on the suction inlet and outlet, the supervisor is closed at axial both ends by union and plug.The present invention, it can be achieved that the modularization installation of low pressure block, facilitates lifting, can simplify the mode of site operation pipeline connection, improves mixed and disorderly low-pressure line connection, reduces manpower and waste, put forward effect, shorten construction period in carbon dioxide pressure break construction organization.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 efficient and huge discharge feed flow requirement.
Description
Technical field
The invention belongs to well fracturing equipment technical fields, and in particular to a kind of carbon dioxide low-pressure manifold sled and its answer
With and fracturing process.
Background technology
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 is connected 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 pipeline, time-consuming and laborious., storage increasing for the injection discharge capacity of present pressing crack construction
Tank is more and more, and light pipeline cannot meet the needs of construction.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.
Invention content
The purpose of the present invention is to provide a kind of carbon dioxide low-pressure manifold sleds, overcome carbon dioxide pressure break in the prior art
Construction organization model there is low-pressure line it is miscellaneous more, connection is complicated, and the preliminary preparation time is long, and loading and unloading amount is big, applies
Work in-site installation fatigue resistance is big, the higher problem of security risk.
It is another object of the present invention to provide a kind of applications of carbon dioxide low-pressure manifold sled.
It is another object of the present invention to provide a kind of carbon dioxide fracturing process.
Technical solution provided by the invention is as follows：
A kind of carbon dioxide low-pressure manifold sled, including skid, the skid are equipped with holder, supervisor are installed on the holder,
The supervisor is equipped with multiple suction inlets and outlet in both sides respectively in an axial direction, and control is equipped on the suction inlet and outlet
Valve and mating endcap, the supervisor are closed at axial both ends 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 close to axial both ends, and the emptying ball valve lower extension pipe is inserted into master
Bottom of the tube, and there are gaps between the two.
The emptying ball valve is connected with thin-wall circular tube.
The axial both ends of the supervisor are sequentially connected and are formed by male union, eccentric reducer and female plug.
The mating endcap is installed in by chain on supervisor, and the control valve is acid-resistant stainless steel butterfly valve, low pressure 2-
3MPa。
The thin-wall circular tube includes pipe ontology, and one end of the pipe ontology is equipped with outer circle step, the outer circle step
Outer diameter is more than the outer diameter in the middle part of pipe ontology, and the outer circle step is connected with pipe ontology using the arc transition of R50~R100
It connects, the other end of the pipe ontology is equipped with flange.
A kind of application of carbon dioxide low-pressure manifold sled, is used for carbon dioxide pressure break or acidizing treatment.
A kind of carbon dioxide fracturing process is prized using one or more carbon dioxide low-pressure manifolds, is included the following steps：
Step 1）According to operational discharge capacity, the carbon dioxide low-pressure manifold sled of corresponding number is selected first, and by being responsible for axial two
End is connected, and then suction inlet connection carbon dioxide storage tank or tank car, outlet connect carbon dioxide pressurization pump truck or closed
Mixing device；
Step 2）It opens each control valve and starts feed flow progress pressing crack construction.
The beneficial effects of the invention are as follows：
The present invention is in carbon dioxide pressure break construction organization, it can be achieved that the modularization installation of low pressure block.Included safety valve simultaneously
With emptying ball valve, thin-wall circular tube reduces the noise of air-flow generation when emptying.The corrosion-resistant, low temperature resistant of entirety, pressure-bearing grade are all
Higher than conventional distributor, reach safe efficient and huge discharge feed flow requirement.
It is described in further details below in conjunction with attached drawing.
Description of the drawings
Fig. 1 is the front view of the embodiment of the present invention；
Fig. 2 is the vertical view of the embodiment of the present invention；
Fig. 3 is the partial schematic diagram of safety valve and emptying ball valve；
Fig. 4 is the structural schematic diagram of thin-wall circular tube.
In figure：1, it is responsible for；2, public union；3, control valve；4, holder；5, connector；6, ball valve is emptied；7, evacuated tube；8, pacify
Full valve；9, axial both ends；10, female plug 10；11, suction inlet；12, outlet；13, skid；14, thin-wall circular tube；15, pipe sheet
Body；16, outer circle step；17, circular arc；18, flange；19, chain.
Specific implementation mode
Embodiment 1：
A kind of carbon dioxide low-pressure manifold sled is present embodiments provided, including skid 13, the skid 13 are equipped with holder 4, institute
It states and is installed with supervisor 1 on holder 4, both sides are equipped with multiple suction inlets 11 and outlet 12 to the supervisor 1 respectively in an axial direction, described
Control valve 3 and mating endcap are equipped on suction inlet 11 and outlet 12,1 axial both ends 9 of the supervisor pass through union and plug
Closing.
This carbon dioxide low-pressure manifold sled realizes the modularization installation of low pressure block, can facilitate the control for carrying out liquid
System.Multiple control valves 3 can realize different configurations and the buffering method of liquid carbon dioxide, make device that can complete pressing crack construction process
The alternative supply of middle liquid.
Manifold sledge is placed on suitable position by site tissue when constructing 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 is present embodiments provided, 1 top of the supervisor is equipped with
Multiple safe take-off mouths, each take-off mouth are 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 both 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 ensureing that pressure bleeds off deposition in safe range and after construction
Carbon dioxide.Evacuated tube 7 is so that direction upward, avoids air-flow from hurting sb.'s feelings when discharging carbon dioxide.
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, puies forward effect, shorten and apply
The work period.
Embodiment 3：
On the basis of embodiment 2, a kind of carbon dioxide low-pressure manifold sled is present embodiments provided, the emptying ball valve 6 connects
There is thin-wall circular tube 14.Thin-wall circular tube 14 can reduce emptying noise.
1 axial both ends 9 of the supervisor are sequentially connected and are formed by male union 2, eccentric reducer and female plug 10.
The mating endcap is installed in by chain 19 on supervisor 1, and the control valve 3 is acid-resistant stainless steel butterfly valve, low pressure
For 2-3MPa.
The thin-wall circular tube 14 includes pipe ontology 15, and one end of the pipe ontology 15 is equipped with outer circle step 16, this is outer
The outer diameter of round platform rank 16 is more than the outer diameter at the middle part of pipe ontology 15, and the outer circle step 16 and pipe ontology 15 using R50~
17 transition of circular arc of R100 connects, and the other end of the pipe ontology 15 is equipped with flange 18.As shown in Figure 4.
Embodiment 4：
On the basis of previous embodiment, a kind of carbon dioxide low-pressure manifold sled, as shown in Figure 1, Figure 2, Fig. 3 institutes are present embodiments provided
Show, supervisor 1 is 6 cun of 316L stainless steels, the axial both ends 9 for being responsible for 1 are 4 successively " the welding public affairs union 2 of FIG206（M mouthfuls with wing
Nut）With female plug 10,4 " butterfly valve, 6 " -4, " eccentric reducer forms, i.e., welding supervisor 16 between two 6 " -4 " eccentric reducers
Very little 316L stainless steels supervisor 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 affairs union 2
Connector 5 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.It is responsible for 1 other side
The manual acid-resistant stainless steel butterfly valve of manifold 54 uniformly distributed " FIG206 public affairs union 2 exports and 4 " and wing nut, outlet are provided with female stifled
First 10, it is used in combination chain 19 to be fixed on manifold.
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 are separately installed with 1 1/4" close to the position for outputting and inputting mouth;Ball valve 6 is emptied, 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 union's short circuits of FIG206 stainless steels and 5 set 4 " double public union 2 of FIG206 stainless steels
It connects, holder 4 is used in combination to support, 2 short circuit of public union does not allow to rotate on holder 4.There are one each public affairs 2 short circuit top of union is equal
Evacuation port and safe mouth, evacuation port install 1/4"Emptying ball valve 6 and thin-walled noise abatement pipe, safe mouth are with a release pressure
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℃）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 present invention application mode be：
1, according to the quantity and exhaust position of operational discharge capacity and carbon dioxide storage tank, corresponding Special low-voltage manifold sled is placed on
It is simultaneously connected fixed position；
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 outlet connections
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, show that situation can suitably adjust opening for each feed liquor butterfly valve according to each tank level in construction
Size is closed, or directly closes butterfly valve to ensure 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 the meeting of safety valve 8 take-off immediately releases stress；
6, it empties ball valve 6 by opening after pressing crack construction residual carbon dioxide is discharged.
Embodiment 5：
A kind of application of carbon dioxide low-pressure manifold sled is present embodiments provided, carbon dioxide pressure break or acidizing treatment are used for.
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 two
Carbonoxide low-pressure manifold is prized, and is included the following steps：
Step 1）According to operational discharge capacity, the carbon dioxide low-pressure manifold sled of corresponding number is selected first, and passes through supervisor 1 axial two
End 9 is connected, and then suction inlet 11 connects carbon dioxide storage tank or tank car, outlet 12 connect carbon dioxide pressurization pump truck or
Closed mixing device；
Step 2）It opens each control valve 3 and starts feed flow progress pressing crack construction.
In conclusion the present invention in carbon dioxide pressure break construction organization, it can be achieved that low pressure block modularization installation.Together
When included safety valve 8 and emptying ball valve 6, when emptying reduces the noise of air-flow generation.Whole corrosion-resistant, low temperature resistant, pressure-bearing
Grade is all higher than conventional distributor, reaches safe efficient and huge discharge feed flow requirement.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.The component that embodiment does not describe in detail
With the well-known components and common structure or conventional means of the structure category industry, do not describe one by one here.
Claims (9)
1. a kind of carbon dioxide low-pressure manifold sled, including skid（13）, it is characterised in that：The skid（13）It is equipped with holder
（4）, the holder（4）On be installed with supervisor（1）, the supervisor（1）Both sides are equipped with multiple suction inlets respectively in an axial direction（11）
And outlet（12）, the suction inlet（11）And outlet（12）On be equipped with control valve（3）And mating endcap, the supervisor
（1）Axial both ends（9）It 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：The supervisor（1）Top is set
There are multiple safe take-off mouths, each take-off mouth to be respectively mounted the safety valve of setting release pressure（8）.
3. a kind of carbon dioxide low-pressure manifold sled according to claim 1, it is characterised in that：The supervisor（1）Top is leaned on
It is paraxial to both ends（9）It is respectively equipped with emptying ball valve（6）, the emptying ball valve（6）Lower extension pipe is inserted into supervisor（1）Bottom, 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）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）By public union（2）, eccentric reducer and female plug（10）It is sequentially connected composition.
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（19）It is installed in supervisor（1）On, the control valve（3）For 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：The thin-wall circular tube（14）Packet
Include pipe ontology（15）, the pipe ontology（15）One end be equipped with outer circle step（16）, the outer circle step（16）Outer diameter it is big
In pipe ontology（15）The outer diameter at middle part, and the outer circle step（16）With pipe ontology（15）Using the circular arc of R50~R100
（17）Transition connects, the pipe ontology（15）The other end be equipped with flange（18）.
8. a kind of application of carbon dioxide low-pressure manifold sled according to claim 1, it is characterised in that：For carbon dioxide
Pressure break or acidizing treatment.
9. a kind of carbon dioxide fracturing process is prized using one or more carbon dioxide low-pressure manifolds described in claim 1,
It is characterized in that, includes the following steps：
Step 1）According to operational discharge capacity, the carbon dioxide low-pressure manifold sled of corresponding number is selected first, and passes through supervisor（1）It is axial
Both ends（9）It connects, then suction inlet（11）Connect carbon dioxide storage tank or tank car, outlet（12）Carbon dioxide is connected to increase
Press pump vehicle or closed mixing device；
Step 2）Open each control valve（3）Start feed flow and carries out pressing crack construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613348.6A CN108708705A (en) | 2018-08-31 | 2018-08-31 | A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613348.6A CN108708705A (en) | 2018-08-31 | 2018-08-31 | A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108708705A true CN108708705A (en) | 2018-10-26 |
Family
ID=63871635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810613348.6A Pending CN108708705A (en) | 2018-08-31 | 2018-08-31 | A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708705A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441420A (en) * | 2018-10-30 | 2019-03-08 | 盐城市崇达石化机械有限公司 | A kind of light-duty high-low pressure fracture manifold |
| CN113738326A (en) * | 2020-05-28 | 2021-12-03 | 中国石油天然气股份有限公司 | Carbon dioxide anhydrous sand adding fracturing system and method |
| CN114439447A (en) * | 2021-11-12 | 2022-05-06 | 烟台杰瑞石油服务集团股份有限公司 | Connecting device of manifold sledge, fracturing system and operation method of fracturing system |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132971A (en) * | 2013-03-11 | 2013-06-05 | 河南理工大学 | Test simulating device for improving recovery rate of coal bed methane by injecting carbon dioxide |
| US20130284455A1 (en) * | 2012-04-26 | 2013-10-31 | Ge Oil & Gas Pressure Control Lp | Delivery System for Fracture Applications |
| CN203640709U (en) * | 2013-12-17 | 2014-06-11 | 中石化石油工程机械有限公司第四机械厂 | Multifunctional II-type low pressure manifold device |
| CN203809297U (en) * | 2013-12-11 | 2014-09-03 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Skid-mounted CO2 boosting pump device with large discharge capacity |
| CN104033142A (en) * | 2014-05-28 | 2014-09-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Large-displacement integration fracture high-low pressure manifold device |
| CN204303334U (en) * | 2014-10-31 | 2015-04-29 | 中国石油化工股份有限公司 | A kind of silencer |
| CN105422073A (en) * | 2015-12-21 | 2016-03-23 | 四川安东油气工程技术服务有限公司 | Fluid feeding system |
| CN105863597A (en) * | 2016-05-27 | 2016-08-17 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | High pressure manifold device for carbon dioxide dry fracturing |
| US20160376864A1 (en) * | 2015-06-29 | 2016-12-29 | Cameron International Corporation | Apparatus and method for distributing fluids to a wellbore |
| CN206053925U (en) * | 2016-09-20 | 2017-03-29 | 中石化石油工程技术服务有限公司 | The anti-sand setting low pressure afflux manifold of big orifice |
| CN108266172A (en) * | 2018-03-26 | 2018-07-10 | 湖北中油科昊机械制造有限公司 | A kind of liquid carbon dioxide conveys DWHSQ-12 type outfits |
| CN108361554A (en) * | 2018-04-02 | 2018-08-03 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of nitrogen supercharging device and its application method |
| CN208594922U (en) * | 2018-06-14 | 2019-03-12 | 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 |
-
2018
- 2018-08-31 CN CN201810613348.6A patent/CN108708705A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130284455A1 (en) * | 2012-04-26 | 2013-10-31 | Ge Oil & Gas Pressure Control Lp | Delivery System for Fracture Applications |
| CN103132971A (en) * | 2013-03-11 | 2013-06-05 | 河南理工大学 | Test simulating device for improving recovery rate of coal bed methane by injecting carbon dioxide |
| CN203809297U (en) * | 2013-12-11 | 2014-09-03 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Skid-mounted CO2 boosting pump device with large discharge capacity |
| CN203640709U (en) * | 2013-12-17 | 2014-06-11 | 中石化石油工程机械有限公司第四机械厂 | Multifunctional II-type low pressure manifold device |
| CN104033142A (en) * | 2014-05-28 | 2014-09-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Large-displacement integration fracture high-low pressure manifold device |
| CN204303334U (en) * | 2014-10-31 | 2015-04-29 | 中国石油化工股份有限公司 | A kind of silencer |
| US20160376864A1 (en) * | 2015-06-29 | 2016-12-29 | Cameron International Corporation | Apparatus and method for distributing fluids to a wellbore |
| CN105422073A (en) * | 2015-12-21 | 2016-03-23 | 四川安东油气工程技术服务有限公司 | Fluid feeding system |
| CN105863597A (en) * | 2016-05-27 | 2016-08-17 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | High pressure manifold device for carbon dioxide dry fracturing |
| CN206053925U (en) * | 2016-09-20 | 2017-03-29 | 中石化石油工程技术服务有限公司 | The anti-sand setting low pressure afflux manifold of big orifice |
| CN108266172A (en) * | 2018-03-26 | 2018-07-10 | 湖北中油科昊机械制造有限公司 | A kind of liquid carbon dioxide conveys DWHSQ-12 type outfits |
| CN108361554A (en) * | 2018-04-02 | 2018-08-03 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of nitrogen supercharging device and its application method |
| CN208594922U (en) * | 2018-06-14 | 2019-03-12 | 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 |
Non-Patent Citations (1)
| Title |
|---|
| 吴志良;顾文忠;钟辉高;: "撬装式CO_2压注站的研制和提高采收率", 海洋石油, no. 03, pages 86 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441420A (en) * | 2018-10-30 | 2019-03-08 | 盐城市崇达石化机械有限公司 | A kind of light-duty high-low pressure fracture manifold |
| CN113738326A (en) * | 2020-05-28 | 2021-12-03 | 中国石油天然气股份有限公司 | Carbon dioxide anhydrous sand adding fracturing system and method |
| CN113738326B (en) * | 2020-05-28 | 2024-03-01 | 中国石油天然气股份有限公司 | Carbon dioxide anhydrous sand fracturing system and method |
| CN114439447A (en) * | 2021-11-12 | 2022-05-06 | 烟台杰瑞石油服务集团股份有限公司 | Connecting device of manifold sledge, fracturing system and operation method of fracturing system |
| CN114439447B (en) * | 2021-11-12 | 2022-11-18 | 烟台杰瑞石油服务集团股份有限公司 | Connecting device of manifold sledge, fracturing system and operation method of fracturing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108708705A (en) | A kind of carbon dioxide low-pressure manifold sled and its application and fracturing process | |
| JP2009517888A5 (en) | ||
| CN208594922U (en) | A kind of carbon dioxide low-pressure manifold sled | |
| CN202401530U (en) | Jet non-negative pressure water supply device with flow controller and water quality monitoring function | |
| CN108915663A (en) | A kind of closed mixing device with pressure worked continuously and method | |
| CN218092989U (en) | Ground soaks uranium mining gas-compression acidification wellhead assembly | |
| CN204591209U (en) | Many seam volume fracturing diverting agent adding sets in a kind of Oil/gas Well multistage section | |
| CN210105821U (en) | Wellhead device for intermittent gas lift liquid drainage and gas production assisted by plunger | |
| CN204903240U (en) | From evacuation sample connecting device | |
| CN210033981U (en) | Vacuum suction device | |
| CN205088234U (en) | Be used for straw pretreatment and abluent mechanical device | |
| CN100564985C (en) | Gas pipeline leakage can repairing method | |
| CN208982011U (en) | A kind of coal mine High Position Drilling wind-driving grouting device | |
| CN214789688U (en) | Automatic oil mixing system applied to edible oil transmission | |
| CN201943664U (en) | Skid-mounted power-driven water and chemical adding tank | |
| CN209451362U (en) | A kind of diacolation column of bottom cap tape pneumatic safety device | |
| CN207674105U (en) | A kind of movable type LNG skid liquid feeding unloading systems | |
| CN207210339U (en) | A kind of oil depot oil-filtering apparatus | |
| CN201519508U (en) | Foreign matter filter for oilfield well cementing ash conveying system | |
| CN207157997U (en) | A kind of multifunctional pipe connection of hold-up vessel and Valve controlling structure | |
| CN212774245U (en) | Novel medicament filling sledge | |
| CN209483727U (en) | Using the hydraulic power station of series connection constant displacement pump variable | |
| CN205350843U (en) | LNG gas station immersed pump sled based on safety | |
| CN106567696B (en) | Liquid-adding device | |
| CN210197004U (en) | Nitrogen pressure relief buffer device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201028 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: 610056 6 Chenghua District chase street, Chengdu, Sichuan Applicant before: CNPC Chuanqing Drilling Engineering Co.,Ltd. Applicant before: CHANGQING DOWNHOLE TECHNOLOGY OPERATION COMPANY OF CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. |