CN201427353Y - Mechanical air-distribution foaming machine set for aerated foam cement slurries - Google Patents
Mechanical air-distribution foaming machine set for aerated foam cement slurries Download PDFInfo
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- CN201427353Y CN201427353Y CN2009201376365U CN200920137636U CN201427353Y CN 201427353 Y CN201427353 Y CN 201427353Y CN 2009201376365 U CN2009201376365 U CN 2009201376365U CN 200920137636 U CN200920137636 U CN 200920137636U CN 201427353 Y CN201427353 Y CN 201427353Y
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- liquid nitrogen
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The utility model discloses a mechanical air-distribution foaming machine set for aerated foam cement slurries, which comprises a liquid distribution system, an air-distribution foaming system and anintelligent expert monitoring system, wherein the liquid distribution system is formed by a liquid distribution cabinet, a self-controlled electric agitator and a self-controlled electric metering pump; the air-distribution foaming system comprises a liquid nitrogen tank, a self-controlled electric liquid nitrogen pump, a vaporizer, an air-distribution foam generator and a high-pressure manifold;the intelligent expert monitoring system includes a cement slurry data collection wireless transmitter, an industrial computer, an intelligent expert designing monitoring and simulating device and anelectricity distribution device. The machine set has automation and intelligent design and monitoring, operating, controlling and simulated displaying functions, can prepare aerated foam cement slurries with different densities by means of mechanical continuous air-distribution foaming according to different requirements of oil well cementing operation, air bubbles inside the inflating foam cementslurries are tiny, unique, uniform and stable, the cement slurries have excellent leakage prevention and channeling inhibiting performance and the like, and performance of set cement can meet the requirement of cementing well.
Description
Technical field
The utility model belongs to oil well cementation industry technology field, is specifically related to be used for the equipment of mechanical type preparation aerated foam cement mortar.
Background technology
The aerated foam cement mortar is that its density can be from 0.9g/m under conditions down-hole for a kind of novel concrete slurry system with the gas and changing cement slurry density of the cementing technology problem that solves complexity, protection oil-gas Layer, raising cementing quality
3To 1.80g/m
3Between adjust, maximum air feed discharge capacity can reach 80m
3/ minute more than (standard atmospheric pressure), maximum air demand can reach 10000m
3More than (standard atmospheric pressure).Main application is: 1. low pressure leakiness stratum well cementation; 2. long CEMENTING SECTION; 3. prevent that cement mortar " weightlessness " from causing the poor well cementation of oil gas water breakthrough; 4. under balance pressure drilling engineering well cementation; 5. inflation, the well cementation of foam drilling engineering.
At present, preparation aerated foam cement mortar has two kinds of methods, and 1, chemical gas generation, by add blowing agent and the foaming of foam stabilizer direct chemical in cement mortar, the cement slurry density scope of this method preparation is little, can't adjust cement slurry density at random in construction.2, physical blowing method, be mixed into foam solution by water with blowing agent, by cementing truck foam solution and conventional cement mortar are pumped in the well, this method does not effectively mix foam solution and cement mortar, cement mortar and foam solution separately enter the down-hole often when cementing truck pumps into, influence cementing quality, in addition, because foam solution pressure before pumping into is low, flow is little.Under the condition that down-hole pressure raises, cause cement slurry density to raise significantly because of the contraction of foam solution volume is very big, be not suitable for the aerated foam cement slurry cementing.
The utility model content
The purpose of this utility model provides and is applicable to ocean, land well cementation site operation, maneuverability convenience, the aerated foam cement mortar mechanical type distribution foaming unit with automation, intelligent monitoring, operation, control function.
In order to achieve the above object, the solution of this case is:
The aerated foam cement mortar mechanical type distribution foaming unit that the utility model provides is made up of liquid mixing system, distribution foamed system and intelligent expert monitoring system.Liquid mixing system is connected to form through pipeline by dosing cabinet, electronic measuring pump and electric mixer, and its function is the preparation expanding foam solution, surely steep liquid and being transported to joins in the cement mortar in the slurry cementing truck batch-handling mixer; The distribution foamed system is made up of the distribution foam maker of jet assembly, air-flow assembly and eddy current assembly, input gate group, output gate group and the lie pipeline of high pressure pipe joint gasifier, gas pressurizer, autocontrol YE, the mounted inside of hot-water radiator and autocontrol electric heater liquid nitrogen container, the electronic liquid nitrogen pump of autocontrol, mounted inside, and its function is to become nitrogen and conventional cement mortar to make the aerated foam cement mortar through the distribution foaming liquid nitrogen vaporization; The intelligent expert monitoring system is by cement mortar data collection radio transmitter, have industrial computer, the intelligent expert device with design, monitoring, copying, display, printer, diesel engine, generator and power distribution cabinet composition that wireless signal receives sending function, its function is automation, intelligent monitoring, control preparation and injects the aerated foam cement mortar.
In the liquid mixing system, the dosing cabinet is provided with into clear water pipeline and transfer line, link to each other with the electronic measuring pump of water tender and autocontrol respectively, electronic measuring pump by the feed flow pipeline with join slurry car batch-handling mixer and link to each other, be installed in its puddler of autocontrol electric mixer and the impeller that dosing holds cashier's office in a shop and be positioned at the dosing cabinet;
In the distribution foamed system, liquid nitrogen container is linked to each other with the electronic liquid nitrogen pump of autocontrol by transfusion nitrogen pipeline, electronic liquid nitrogen pump links to each other with vaporizer by feed flow nitrogen pipeline, diesel engine hot-water radiator and autocontrol electric heater are housed in the vaporizer, link to each other with gas pressurizer by gas supply line, gas pressurizer is linked to each other with the autocontrol YE by gas transmission line, YE is linked to each other with the distribution foam maker by the gas injection pipeline, the import of distribution foam maker links to each other with the outlet of high pressure pipe joint input gate group, outlet links to each other with the import of high pressure pipe joint output gate group, and the jet assembly wherein is housed, air-flow assembly and eddy current assembly.The import of input gate group links to each other with well cementation slip casting cementing truck, and outlet also links to each other with the import of bypass high pressure line, and the outlet of bypass high pressure line links to each other with the import of output gate group.Output is explained a group outlet and is linked to each other with the well cementation high pressure pipe joint.
In the intelligent expert monitoring system, cement mortar data collection radio transmitter links to each other with the industrial computer that wireless signal receives sending function that has on being contained in operating desk by wireless signal, and the industrial computer that intelligent expert design, monitoring, emulation are installed links to each other with printer with display, links to each other with the autocontrol YE with autocontrol electric mixer, the electronic measuring pump of autocontrol, the electronic liquid nitrogen pump of autocontrol, autocontrol electric heater by wireless signal by RCA.The power distribution equipment diesel engine is linked to each other with the vaporizer hot-water radiator by circulating water pipework, links to each other with generator by power transmission shaft, and generator links to each other with power distribution cabinet by cable, and power distribution cabinet links to each other with electrical appliance by supply line.Liquid nitrogen container, transfusion nitrogen pipeline, electronic liquid nitrogen pump and feed flow nitrogen pipeline are installed on the liquid nitrogen skid base, and all the other devices are installed on the distribution foaming skid base jointly.
At first fully take into account the cementing operation condition of ocean, the limited area of land drilling platforms in the utility model design and the process, adopt volume liquid nitrogen container little, that air demand is big to make the skid base assembling unit of air supply source, convenient in carrying, can under land truck and marine vessel transport restrictions condition, transport, be explosion-proof electric apparatus in order to ensure cementing operation safety, all electricity consumption facilities, all high-pressure pumps, high pressure pipe joint all meet the cementing operation standard-required, and set structure and ocean, land well cementation facility are complementary.
The utility model is according to the particularity and the complexity of specification requirement, construction operation present situation and the aerated foam cement mortar solid phase of aerated foam cement slurry cementing, liquid phase, gas phase three-phase stream, the distribution foam theory of employing jet, air-flow, eddy current and parameter wireless transmission, intelligent expert design, monitoring, control, analogue system device, make the overall process and the various operation of site operation realize automation, intellectuality, thereby guarantee the operability and the reliability of site operation, guarantee cementing operation success and casing and cementing quality.
The utility model adopts mechanical type distribution foaming method not have chemical reaction, to ground, subsurface environment is pollution-free.During actual the use, the high pressure nitrogen of the liquid nitrogen that cement mortar that contains blowing agent, foam stabilizer that the slip casting cementing truck is pumped and liquid nitrogen container pump after through the vaporizer vaporization enters the distribution foam maker simultaneously, be mixed through jet pressure drop, air-flow distribution and eddy current, make that bubble is small, independent closed, uniform and stable aerated foam cement mortar, performances such as its cement mortar leakproof and anti-channeling are good, satisfy the needs of cementing operation, cement stone performance reaches the requirement of cementing quality.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a nitrogen air supply system structural representation of the present utility model.
Label declaration
Dosing cabinet 1 clear water pipeline 2
The electronic measuring pump 4 of transfer line 3 autocontrols
Feed flow pipeline 5 autocontrol electric mixers 6
The electronic liquid nitrogen pump 9 feed flow nitrogen pipelines 10 of autocontrol
Vaporizer 11 autocontrol electric heaters 13
High pressure pipe joint input gate group 20 high pressure pipe joints output gate group 21
Eddy current assembly 24 bypass high pressure lines 25
Cement mortar data collection radio transmitter 26
Operating desk 27 industrial computers 28
Intelligent expert supervising device 29 displays 30
Circulating water pipework 33 generators 34
Liquid nitrogen skid base 37
The specific embodiment
As depicted in figs. 1 and 2, autocontrol electric mixer 6 is housed on the dosing cabinet 1, import has clear water pipeline 2 to link to each other with water tender can supply clear water, the electronic measuring pump 4 of autocontrol links to each other with dosing cabinet 1 by transfer line 3, electronic measuring pump 4 by feed flow pipeline 5 with join slurry car batch-handling mixer and link to each other, the puddler and the impeller that are installed in the autocontrol electric mixer 6 of dosing cabinet 1 upper end are positioned at dosing cabinet 1, can with autocontrol electric mixer 6 in dosing cabinet 1 with the expanding foam solution of clear water and blowing agent, foam stabilizer preparation, surely steep liquid and infeed and join in the slurry cementing truck batch-handling mixer.
In the distribution foamed system, meet the liquid nitrogen container 7 and the electronic liquid nitrogen pump 9 of autocontrol of GB standard, liquid nitrogen can be infeeded vaporizer 11 through special use transfusion nitrogen pipeline 8, feed flow nitrogen pipeline 10.The vaporizer 11 of diesel engine hot-water radiator and autocontrol electric heater 13 is housed, can be high pressure nitrogen with liquid nitrogen vaporization, high pressure nitrogen enters distribution foam maker 19 through gas pressurizer 15, autocontrol YE 17 and gas supply line 14, gas transmission line 16, gas injection pipeline 18.Jet assembly 22, air-flow assembly 23 and eddy current assembly 24 are housed in the distribution foam maker 19, cementing truck can be mixed with the aerated foam cement mortar that meets the cementing design requirement by the cement mortar that contains expanding foam solution, surely steeps liquid that high pressure pipe joint input gate group 20 pumps into high pressure nitrogen.The aerated foam cement mortar is exported gate group 21 by high pressure pipe joint and is injected the down-hole through the well cementation wellhead manifold.
For monitoring at random, the density and the flow of aerated foam cement mortar in the control cementing operation, cement mortar data acquisition transmitter 26 is contained in the signal input received emission signal on the operating desk 27 and the intelligent expert system design is installed by wireless transmission, monitoring, in the industrial computer 28 of simulation software, be equipped with in the industrial computer 28 and send control instruction after expert system software is in time handled Monitoring Data, by wireless transmission signal is sent to autocontrol electric mixer 6, the electronic measuring pump 4 of autocontrol, the electronic liquid nitrogen pump 9 of autocontrol, in the autocontrol electric heater 13 and autocontrol YE 17 in the vaporizer, adjust construction parameter control construction overall process at random, and show and the printing construction information by display 30 and printer 31.
The bypass high pressure line 25 that is installed in the high pressure pipe joint can be in moulding plug, replacement, the bruising process after foam slurry construction end is injected in preparation, by switching high pressure pipe joint input gate group 20, output gate group 21, the liquid that pumps from cementing truck in the construction is directly injected into well and transmit high pressure, avoid the distribution foam maker 19 and the facility that joins to bear high pressure.
Power distribution equipment diesel engine 32 is linked to each other with vaporizer 11 hot-water radiators by circulating water pipework 33, links to each other with generator 34 by power transmission shaft; Generator 34 links to each other with power distribution cabinet 35 by cable, and power distribution cabinet 35 links to each other with electrical appliance by supply line.Liquid nitrogen container 7, transfusion nitrogen pipeline 8, electronic liquid nitrogen pump 9 and feed flow nitrogen pipeline 10 are installed on the liquid nitrogen skid base 37, and all the other devices are installed on the distribution foaming skid base 36 jointly.
Concrete operations step of the present utility model is as follows:
1, behind the liquid nitrogen container 7 dress liquid nitrogen unit is transported to the well site.
2, unit and water tender, join the oar cementing truck, annotate oar cementing truck and well head well cementation manifold connecting line respectively.Feed flow nitrogen pipeline 10 is linked to each other with vaporizer 11.
3, start diesel engine 32 generators 34 by power distribution cabinet 35 power supplies.
4, in dosing cabinet 1 for clear water, add blowing agent, foam stabilizer, start autocontrol electric mixer 6 preparation expanding foam solutions, surely steep liquid.
5, start industrial computer 28, switch gate, carry out preparations such as the preceding crew check of cementing operation, maintenance.
6, slurry cementing truck, slip casting cementing truck injection allocation prepad fluid, cement mortar neck slurry and base slurry are joined in construction beginning.
7, injection allocation aerated foam cement mortar begins, the electronic measuring pump 4 of autocontrol in joining slurry cementing truck batch-handling mixer for expanding foam solution, surely steep liquid, the electronic liquid nitrogen pump 9 of autocontrol feed flow nitrogen in vaporizer 11 simultaneously.
8, the high pressure nitrogen through vaporizer 11 vaporizations enters distribution foam maker 19 through gas pressurizer 15, autocontrol YE 17, the cement mortar that join band expanding foam solution that slurry cementing truck, slip casting cementing truck pump into, surely steeps liquid also enters distribution foam maker 19, distribution foam maker 19 is mixed with the aerated foam cement mortar by jet assembly 22, air-flow assembly 23 and eddy current assembly 24.The aerated foam cement mortar that has high pressure injects into well through well head well cementation manifold by high pressure pipe joint output gate 21.
9, by cement mortar data acquisition transmitter 26 and intelligent expert supervising device 29 and the electronic liquid nitrogen pump 19 of autocontrol, autocontrol electric heater 13, autocontrol YE 17 wireless transmission signals, control nitrogen air feed discharge capacity and pressure; By to the electronic measuring pump 4 wireless transmission signals of autocontrol control expanding foam solution, surely steep liquid and infeed discharge capacity; Show the monitoring construction parameter by display 30 emulation, at random construction status is monitored, make the aerated foam cement slurry density reach designing requirement.
Claims (1)
1, aerated foam cement mortar mechanical type distribution foaming unit is characterized in that: be made up of liquid mixing system, distribution foamed system and intelligent expert monitoring system; Wherein in the liquid mixing system, the dosing cabinet is provided with into clear water pipeline and transfer line, link to each other with the electronic measuring pump of water tender and autocontrol respectively, electronic measuring pump by the feed flow pipeline with join slurry car batch-handling mixer and link to each other, the puddler and the impeller that are installed in the autocontrol electric mixer that dosing cashier's office in a shop holds are positioned at the dosing cabinet; In the distribution foamed system, liquid nitrogen container is linked to each other with the electronic liquid nitrogen pump of autocontrol by transfusion nitrogen pipeline, electronic liquid nitrogen pump is linked to each other with vaporizer by feed flow nitrogen pipeline, diesel engine hot-water radiator and autocontrol electric heater are housed in the vaporizer, vaporizer is linked to each other with gas pressurizer by gas supply line, gas pressurizer is linked to each other with the autocontrol YE by gas transmission line, YE is linked to each other with the distribution foam maker by the gas injection pipeline, the import of distribution foam maker links to each other with the outlet of high pressure pipe joint input gate group, outlet links to each other with the import of high pressure pipe joint output gate group, and the jet assembly wherein is housed, air-flow assembly and eddy current assembly; The import of input gate group links to each other with well cementation slip casting cementing truck, and outlet also links to each other with the import of bypass high pressure line, and the outlet of bypass high pressure line links to each other with the import of output gate group; Output is explained a group outlet and is linked to each other with the well cementation high pressure pipe joint; In the intelligent expert monitoring system, cement mortar data collection radio transmitter by wireless signal be contained in operating desk on have wireless signal reception, sending function and intelligent expert system design, monitoring, simulation software industrial computer be installed and link to each other, link to each other with printer with display and link to each other with the autocontrol YE with autocontrol electric mixer, the electronic measuring pump of autocontrol, the electronic liquid nitrogen pump of autocontrol, autocontrol electric heater by RCA by wireless signal; The power distribution equipment diesel engine is linked to each other with the vaporizer hot-water radiator by circulating water pipework, links to each other with generator by power transmission shaft; Generator links to each other with power distribution cabinet by cable, and power distribution cabinet links to each other with electrical appliance by supply line; Liquid nitrogen container, transfusion nitrogen pipeline, liquid nitrogen pump and feed flow nitrogen pipeline are installed on the liquid nitrogen skid base, and all the other devices are installed on the distribution foaming skid base jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201376365U CN201427353Y (en) | 2009-04-09 | 2009-04-09 | Mechanical air-distribution foaming machine set for aerated foam cement slurries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201376365U CN201427353Y (en) | 2009-04-09 | 2009-04-09 | Mechanical air-distribution foaming machine set for aerated foam cement slurries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201427353Y true CN201427353Y (en) | 2010-03-24 |
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ID=42031080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201376365U Expired - Fee Related CN201427353Y (en) | 2009-04-09 | 2009-04-09 | Mechanical air-distribution foaming machine set for aerated foam cement slurries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201427353Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128852A (en) * | 2013-02-20 | 2013-06-05 | 广东省建筑科学研究院 | Foam concrete foaming machine with automatic control system |
| CN109514739A (en) * | 2017-09-18 | 2019-03-26 | 中国石油化工股份有限公司 | A kind of foam slurry cementing equipment and method |
| CN109514740A (en) * | 2017-09-18 | 2019-03-26 | 中国石油化工股份有限公司 | A kind of foam slurry cementing equipment and method |
| CN109751012A (en) * | 2017-11-01 | 2019-05-14 | 中国石油化工股份有限公司 | Foam slurry well cementation skid is set |
| CN110539401A (en) * | 2019-09-11 | 2019-12-06 | 北京铁科特种工程技术有限公司 | Method for preparing foamed light soil for railway roadbed |
-
2009
- 2009-04-09 CN CN2009201376365U patent/CN201427353Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128852A (en) * | 2013-02-20 | 2013-06-05 | 广东省建筑科学研究院 | Foam concrete foaming machine with automatic control system |
| CN103128852B (en) * | 2013-02-20 | 2015-04-29 | 广东省建筑科学研究院集团股份有限公司 | Foam concrete foaming machine with automatic control system |
| CN109514739A (en) * | 2017-09-18 | 2019-03-26 | 中国石油化工股份有限公司 | A kind of foam slurry cementing equipment and method |
| CN109514740A (en) * | 2017-09-18 | 2019-03-26 | 中国石油化工股份有限公司 | A kind of foam slurry cementing equipment and method |
| CN109514739B (en) * | 2017-09-18 | 2021-03-23 | 中国石油化工股份有限公司 | Foam cement slurry well cementation equipment and method |
| CN109514740B (en) * | 2017-09-18 | 2021-03-23 | 中国石油化工股份有限公司 | Foam cement slurry well cementation equipment and method |
| CN109751012A (en) * | 2017-11-01 | 2019-05-14 | 中国石油化工股份有限公司 | Foam slurry well cementation skid is set |
| CN110539401A (en) * | 2019-09-11 | 2019-12-06 | 北京铁科特种工程技术有限公司 | Method for preparing foamed light soil for railway roadbed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20110409 |