A kind of hybrid system of efficient well cementing operationTechnical field
The present invention relates to petroleum equipment technical fields, more particularly to a kind of hybrid system of efficient well cementing operation.
Background technology
It is reported that oilfield applications drilling period was reduced to about half 75 days or so from 175 days;And U.S.'s shale gas is from 2013Start in year just to have put forward effect 40%.With the raising of oilfield applications operating efficiency, the appearance of ultradeep well and curing sleeve distanceIncrease, for example, horizontal segment can only accomplish 1000 meters in the past, buried depth can only accomplish 2500 meters, can accomplish to current horizontal segment2500 meters, buried depth increases to more than 4300 meters, and such operation is to the well cementing operation demand of huge discharge it is also proposed that higher and higher wantsIt asks.On the other hand, due to the limitation of field operation condition, for example, live dry ash quality, the factors such as speed and size for ash,The mixed of mixer is generally in 1.5m3/ min, operating efficiency is relatively low, and mixing discharge capacity is small, cannot achieve continuous operation.
Invention content
It is an object of the present invention to overcome the above-mentioned technical problems, and to provide a kind of hybrid systems of efficient well cementing operation, canTo be fully solved above-mentioned technical problem.
The technical solution for solving above-mentioned technical problem is as follows:
A kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into, upper ash pipe is aggregated into, high energyMixer, slurry mixing tank and mud line manifold assembly, the slurry mixing tank are at least connected with there are two high energy mixers, the slurry mixing tankInlet connect with diffusion chamber, the diffusion chamber is connect with high energy mixers, the high energy mixers discharge by spreadingCase is directed into slurry mixing tank, and at least one diffusion chamber is connect with density control system.
The diffusion chamber is at least one.
Water pipe is aggregated into and is provided with injection centrifugal pump, y-type filter and clear water flow meter, clear water flow meter can be shownThe flow for showing clear water can adjust uninterrupted according to design requirement, keep mud mixing more equal according to the clear water flow of displayIt is even.
The measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through dischargeButterfly valve empties raffinate, and the emptying butterfly valve is pneumatic control, and strainer is arranged in the tank bottom exit of the measuring tank.Measuring tankIt can be with the discharge capacity of metering liquid and mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
The mud line manifold assembly includes circular centrifugal pump and perfusion centrifugal pump, and the circular centrifugal is pumped from slurry mixing tankMiddle sucking cement mortar, then by circular centrifugal pump discharge, cycle manifold, high energy mixers, in diffusion chamber with dry ash andWater carries out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, keeps cement mortar mixed effect more preferable, protectsIt is uniform to demonstrate,prove cement slurry density;And centrifugal pump is perfused by being delivered in diffusion chamber after density control system, utilize density dominationBy the actual density of manifold, measuring numerical value can directly show sensor test cement mortar in system on the touchscreen,It can be directly displayed on secondary meter.
The water pipe is aggregated into from measuring tank or external source and sucks clear water, and the centrifugal pump that water pipe is aggregated into is moreIndependent injection centrifugal pump is covered, clear water is delivered in high energy mixers after being aggregated into supercharging, summarizes with from upper ash pipe by water pipeTentatively mixed at the dry ash of entrance, but also with cycle manifold in mud carry out it is secondary mix, so as to more fillDivide ground mixing mud.The clear water flow that can be measured using clear water flow meter can directly display on the touchscreen, according to test instituteData are obtained, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pump simultaneouslyThe water source that certain pressure is provided for the post-job cleaning of vehicle, meets the needs of cleaning.
It is the pipeline of solid carbon dioxide plaster to be provided for the hybrid system of efficient well cementing operation, including connect that the upper ash pipe, which is aggregated into,Take over line, upper grey sebific duct and ash discharging valve.The solid carbon dioxide plaster of ash can is connected to ash discharging valve, high energy mixers high speed by connecting pipelineThe flow of injection forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar agitated blade in cement stock tankFurther mixing, circular centrifugal pump realize the secondary and multiple mixing of cement mortar.Cement slurry density meter is by the true close of cement mortarDegree feeds back to computer.Flowmeter is installed in injection line, the flow signal of water is fed back to computer by it.Computer rootThe injection rate that solid carbon dioxide plaster and clear water are automatically controlled according to the cement slurry density and clear water flow that collect, to reach settingCement slurry density value.
The ash discharging valve that the high energy mixers are aggregated by the clear water for being aggregated into entrance by water pipe and by upper ash pipe intoThe concrete grey entered and the cement mortar by cycle manifold cycle are mixed together.High energy mixers are that entire slurry system is totalCore component in is the critical piece for carrying out mud mixture.
The beneficial effects of the invention are as follows:
The present invention provides a kind of hybrid system of efficient well cementing operation, the mixers that cover integrated more, with existing operation itemPart is, it can be achieved that huge discharge.The system can realize the rapid translating of automatic slurry and manual slurry, easy to operate practicality.By adoptingCollect and show the data such as several centrifugation pump pressures, density, discharge capacity and clear water flow, is controlled by computer, realize the automatic of densityControl.Purge valve, ash discharging valve are automatically controlled using bivariate, slurry mixing tank liquid automatic control.The invention has the characteristics that:AssociationRegulation and control system, i.e., multiple mixers, realization control, can also jointly control respectively;Hand automatically controls, i.e., multiple purge valves, multipleAsh discharging valve realizes that carrying out hand respectively automatically controls;Automatic distribution, i.e., it is to cover mixer more, it covers purge valve and ash discharging valve more, realizes onePart quickly adjust, a part fine tuning, can also use multiple automatically controlled toggle switch, and manually simultaneously control purge valve or underGrey valve events realize that density is adjusted simultaneously.
Core of the present invention is to use multiple mixers and mating component, promotes mixed, but still retain originalAutomatic premixing and automatic density slurry function.To meet current industry inner part drilling completion plate improved efficiency to mixed of cementing the wellThe requirements at the higher level of proposition also successfully overcome the problems, such as that the mixed that the various restriction bands of field operation condition are come reduces.
The present invention both can independently be used as injection centrifugal pump using more set mixers and matching component, clear water centrifugal pump,Side can be used as to spray centrifugal pump for waterside, centrifugal pump can also be spare;Centrifugal slurry pump both can independently be used as circular centrifugalPump can also be used as and centrifugal pump is perfused in cycle, and centrifugal pump can also be spare;Mostly set hybrid systems can also be used as spare,Reduce hybrid system damage risk.
Using more set hybrid systems, construction operation scene needs to ensure that hybrid density is unified and automatically controls the present invention, rightThe present invention proposes another technological difficulties, therefore the present invention solves in the following ways:1, realize that hybrid system water, ash are independentIt automatically controls;2, multiple hybrid system schemes realize that a density, multiple mixers simultaneously or separately control, reach one it is closeDegree, the requirement of huge discharge.
The present invention solves the higher that current industry inner part drilling completion plate improved efficiency proposes well cementation mixed and wantsIt asks, also successfully overcomes the problems, such as that the mixed that the various restriction bands of field operation condition are come reduces, band is improved immediately following operation techniqueThe equipment come improves paces, is the development of petroleum equipment field cementing equipment, the milestone new into one!
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
The electric control theory schematic diagram that Fig. 1 is high energy mixers of the present invention when being 2;
Fig. 2 is the flow diagram of the embodiment of the present invention 1;
Fig. 3 is the flow diagram of the embodiment of the present invention 2;
Fig. 4 is the flow diagram of the embodiment of the present invention 3;
In figure:1 is aggregated into for water pipe, and 2 be cycle manifold, and 3 be mud line manifold assembly, and 4 are aggregated into for upper ash pipe, and C1 isCentrifugal pump is sprayed, C2 pumps for circular centrifugal, and C3 is perfusion centrifugal pump, and Y is y-type filter, and FM is clear water flow meter, and E is densityControl system, D1 are centering type ash discharging valve, and D2 is diffusion chamber, and D3 is high energy mixers.
Specific implementation mode
Embodiment 1:
As shown in Fig. 2, a kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into 1, upper ash pipeIt is aggregated into 4, high energy mixers D3, slurry mixing tank and mud line manifold assembly 3, there are two high energy mixers D3, slurries for slurry mixing tank connectionThe inlet of tank is connect with diffusion chamber D2, and diffusion chamber D2 is connect with high energy mixers D3, and high energy mixers D3 dischargings are by diffusion chamberD2 is directed into slurry mixing tank, and density control system E is concatenated on mud line manifold assembly 3.Diffusion chamber is two.
Water pipe, which is aggregated on 1, is provided with injection centrifugal pump C1, y-type filter Y and clear water flow meter FM, clear water flow meterFM can show the flow of clear water, according to the clear water flow of display, can adjust uninterrupted according to design requirement, mud is made to mixMore uniformly.
Measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through be discharged butterfly valve rowEmpty raffinate, emptying butterfly valve are pneumatic control, and strainer is arranged in the tank bottom exit of measuring tank.Measuring tank can be with the discharge capacity of metering liquidWith mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
Mud line manifold assembly 3 includes circular centrifugal pump C2 and perfusion centrifugal pump C3, and circular centrifugal pump C2 is inhaled from slurry mixing tankEnter cement mortar, C2 outlets, cycle manifold 2, high energy mixers D3 are then pumped by circular centrifugal, it is in diffusion chamber D2 and dryAsh and water carry out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, make cement mortar mixed effect moreIt is good, ensure that cement slurry density is uniform;And centrifugal pump C3 is perfused and is delivered in diffusion chamber D2 later by density control system E, profitWith the sensor test cement mortar on density control system E by the actual density of manifold, measuring numerical value can directly touchScreen display can also directly display on secondary meter.
Water pipe is aggregated into 1 and sucks clear water from measuring tank or external source, and the centrifugal pump that water pipe is aggregated into is two sets onlyClear water is delivered in high energy mixers D3 by vertical injection centrifugal pump C1, water pipe after being aggregated into 1 supercharging, and from upper grey manifoldAssembly 4 enter dry ash tentatively mixed, but also with cycle manifold 2 in mud progress it is secondary mix, so as to moreAdd and is sufficiently mixed mud.The clear water flow that can be measured using clear water flow meter FM, can directly display on the touchscreen, according toThe data obtained is tested, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pumpC1 also provides the water source of certain pressure for the post-job cleaning of vehicle simultaneously, meets the needs of cleaning.
It is that the pipeline of solid carbon dioxide plaster, including connecting tube are provided for the hybrid system of efficient well cementing operation that upper ash pipe, which is aggregated into 4,Line, upper grey sebific duct and centering type ash discharging valve D1.The solid carbon dioxide plaster of ash can is connected to centering type ash valve D1, high energy by connecting pipelineThe flow of mixer D3 high speed injections forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar is in cement stock tankIn agitated blade further mix, circular centrifugal pump C2 realize cement mortar secondary and multiple mixing.Cement slurry density meter willThe real density of cement mortar feeds back to computer.Flowmeter is installed in injection line, it feeds back to the flow signal of waterComputer.Computer automatically controls the injection of solid carbon dioxide plaster and clear water according to the cement slurry density and clear water flow that collectAmount, to reach the cement slurry density value of setting.
The centering type ash discharging valve that high energy mixers D3 is aggregated by the clear water for being aggregated into 1 entrance by water pipe and by upper ash pipeThe concrete grey that D1 enters and the cement mortar by the cycle cycle of manifold 2 are mixed together.High energy mixers D3 is entire mixedThe core component in system synthesis is starched, is the critical piece for carrying out mud mixture.
Embodiment 2:
As shown in figure 3, a kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into 1, upper ash pipeIt is aggregated into 4, high energy mixers D3, slurry mixing tank and mud line manifold assembly 3, there are two high energy mixers D3, slurries for slurry mixing tank connectionThe inlet of tank is connect with diffusion chamber D2, and diffusion chamber D2 is connect with high energy mixers D3, and high energy mixers D3 dischargings are by diffusion chamberD2 is directed into slurry mixing tank, is recycled and is serially connected with density control system E, diffusion chamber two on manifold 2 and mud line manifold assembly 3It is a.
Water pipe, which is aggregated on 1, is provided with injection centrifugal pump C1, y-type filter Y and clear water flow meter FM, clear water flow meterFM can show the flow of clear water, according to the clear water flow of display, can adjust uninterrupted according to design requirement, mud is made to mixMore uniformly.
Measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through be discharged butterfly valve rowEmpty raffinate, emptying butterfly valve are pneumatic control, and strainer is arranged in the tank bottom exit of measuring tank.Measuring tank can be with the discharge capacity of metering liquidWith mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
Mud line manifold assembly 3 includes circular centrifugal pump C2 and perfusion centrifugal pump C3, and circular centrifugal pump C2 is inhaled from slurry mixing tankEnter cement mortar, C2 outlets, cycle manifold 2, high energy mixers D3 are then pumped by circular centrifugal, it is in diffusion chamber D2 and dryAsh and water carry out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, make cement mortar mixed effect moreIt is good, ensure that cement slurry density is uniform;And centrifugal pump C3 is perfused and is delivered in diffusion chamber D2 later by density control system E, profitWith the sensor test cement mortar on density control system E by the actual density of manifold, measuring numerical value can directly touchScreen display can also directly display on secondary meter.
Water pipe is aggregated into 1 and sucks clear water from measuring tank or external source, and the centrifugal pump that water pipe is aggregated into is two sets onlyClear water is delivered in high energy mixers D3 by vertical injection centrifugal pump C1, water pipe after being aggregated into 1 supercharging, and from upper grey manifoldAssembly 4 enter dry ash tentatively mixed, but also with cycle manifold 2 in mud progress it is secondary mix, so as to moreAdd and is sufficiently mixed mud.The clear water flow that can be measured using clear water flow meter FM, can directly display on the touchscreen, according toThe data obtained is tested, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pumpC1 also provides the water source of certain pressure for the post-job cleaning of vehicle simultaneously, meets the needs of cleaning.
It is that the pipeline of solid carbon dioxide plaster, including connecting tube are provided for the hybrid system of efficient well cementing operation that upper ash pipe, which is aggregated into 4,Line, upper grey sebific duct and centering type ash discharging valve D1.The solid carbon dioxide plaster of ash can is connected to centering type ash valve D1, high energy by connecting pipelineThe flow of mixer D3 high speed injections forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar is in cement stock tankIn agitated blade further mix, circular centrifugal pump C2 realize cement mortar secondary and multiple mixing.Cement slurry density meter willThe real density of cement mortar feeds back to computer.Flowmeter is installed in injection line, it feeds back to the flow signal of waterComputer.Computer automatically controls the injection of solid carbon dioxide plaster and clear water according to the cement slurry density and clear water flow that collectAmount, to reach the cement slurry density value of setting.
The centering type ash discharging valve that high energy mixers D3 is aggregated by the clear water for being aggregated into 1 entrance by water pipe and by upper ash pipeThe concrete grey that D1 enters and the cement mortar by the cycle cycle of manifold 2 are mixed together.High energy mixers D3 is entire mixedThe core component in system synthesis is starched, is the critical piece for carrying out mud mixture.
Embodiment 3:
As shown in figure 4, a kind of hybrid system of efficient well cementing operation, including measuring tank, water pipe are aggregated into 1, upper ash pipeIt is aggregated into 4, high energy mixers D3, slurry mixing tank and mud line manifold assembly 3, there are two high energy mixers D3, slurries for slurry mixing tank connectionThe inlet of tank is connect with diffusion chamber D2, and diffusion chamber D2 is connect with high energy mixers D3, and high energy mixers D3 dischargings are by diffusion chamberD2 is directed into slurry mixing tank, and density control system E is concatenated on mud line manifold assembly 3.Diffusion chamber is one.
Water pipe, which is aggregated on 1, is provided with injection centrifugal pump C1, y-type filter Y and clear water flow meter FM, clear water flow meterFM can show the flow of clear water, according to the clear water flow of display, can adjust uninterrupted according to design requirement, mud is made to mixMore uniformly.
Measuring tank includes the rooms A and the rooms B, and the rooms A and the rooms B can realize independent metering, also can two Room intercommunications, pass through be discharged butterfly valve rowEmpty raffinate, emptying butterfly valve are pneumatic control, and strainer is arranged in the tank bottom exit of measuring tank.Measuring tank can be with the discharge capacity of metering liquidWith mixing water capacity, it can also be used to input and batch mixed chemical addition agent.
Mud line manifold assembly 3 includes circular centrifugal pump C2 and perfusion centrifugal pump C3, and circular centrifugal pump C2 is inhaled from slurry mixing tankEnter cement mortar, C2 outlets, cycle manifold 2, high energy mixers D3 are then pumped by circular centrifugal, it is in diffusion chamber D2 and dryAsh and water carry out secondary mixing, then cement mortar is discharged to completion secondary cycle slurry in slurry mixing tank, make cement mortar mixed effect moreIt is good, ensure that cement slurry density is uniform;And centrifugal pump C3 is perfused and is delivered in diffusion chamber D2 later by density control system E, profitWith the sensor test cement mortar on density control system E by the actual density of manifold, measuring numerical value can directly touchScreen display can also directly display on secondary meter.
Water pipe is aggregated into 1 and sucks clear water from measuring tank or external source, and the centrifugal pump that water pipe is aggregated into is two sets onlyClear water is delivered in high energy mixers D3 by vertical injection centrifugal pump C1, water pipe after being aggregated into 1 supercharging, and from upper grey manifoldAssembly 4 enter dry ash tentatively mixed, but also with cycle manifold 2 in mud progress it is secondary mix, so as to moreAdd and is sufficiently mixed mud.The clear water flow that can be measured using clear water flow meter FM, can directly display on the touchscreen, according toThe data obtained is tested, rotational handle adjusts clear water flow to suitable size, keeps mud mixing more uniform.Spray centrifugal pumpC1 also provides the water source of certain pressure for the post-job cleaning of vehicle simultaneously, meets the needs of cleaning.
It is that the pipeline of solid carbon dioxide plaster, including connecting tube are provided for the hybrid system of efficient well cementing operation that upper ash pipe, which is aggregated into 4,Line, upper grey sebific duct and centering type ash discharging valve D1.The solid carbon dioxide plaster of ash can is connected to centering type ash valve D1, high energy by connecting pipelineThe flow of mixer D3 high speed injections forms vacuum suck solid carbon dioxide plaster and is mixed with fluid.Mixed cement mortar is in cement stock tankIn agitated blade further mix, circular centrifugal pump C2 realize cement mortar secondary and multiple mixing.Cement slurry density meter willThe real density of cement mortar feeds back to computer.Flowmeter is installed in injection line, it feeds back to the flow signal of waterComputer.Computer automatically controls the injection of solid carbon dioxide plaster and clear water according to the cement slurry density and clear water flow that collectAmount, to reach the cement slurry density value of setting.
The centering type ash discharging valve that high energy mixers D3 is aggregated by the clear water for being aggregated into 1 entrance by water pipe and by upper ash pipeThe concrete grey that D1 enters and the cement mortar by the cycle cycle of manifold 2 are mixed together.High energy mixers D3 is entire mixedThe core component in system synthesis is starched, is the critical piece for carrying out mud mixture.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, as opening upExhibition, needs high energy mixers being designed as 2 or more according to field operation, and centrifugal pump makees corresponding simple designs as needed,Equivalent variations or density control system are using multiple, and each road manifold carries out simple modification and equivalents each fall within the present inventionProtection domain within.