CN109751012A - Foam slurry well cementation skid is set - Google Patents
Foam slurry well cementation skid is set Download PDFInfo
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- CN109751012A CN109751012A CN201711055993.2A CN201711055993A CN109751012A CN 109751012 A CN109751012 A CN 109751012A CN 201711055993 A CN201711055993 A CN 201711055993A CN 109751012 A CN109751012 A CN 109751012A
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- Prior art keywords
- foam
- nitrogen
- liquid nitrogen
- foam solution
- water
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- 239000006260 foam Substances 0.000 title claims abstract description 140
- 239000002002 slurry Substances 0.000 title claims abstract description 73
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 195
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 96
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000004568 cement Substances 0.000 claims abstract description 61
- 238000002309 gasification Methods 0.000 claims abstract description 15
- 238000005086 pumping Methods 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000005187 foaming Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000243 solution Substances 0.000 description 46
- 238000007664 blowing Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 239000004088 foaming agent Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention proposes a kind of well cementation skids of foam slurry to set.The device includes skid pedestal, and each component of the device is equipped on skid pedestal；Liquid nitrogen is pressurized gasification system, for being pressurized and gasifying as high pressure nitrogen by liquid nitrogen；Expanding foam solution pumping system, for pressurizeing for expanding foam solution；Foam generating system, including first pipe and foam maker, wherein the first pipe is used to receive the expanding foam solution after pressurization and cement slurry from cement pump truck to form the cement slurry containing expanding foam solution, the foam maker be used to receive described in high pressure nitrogen and cement slurry containing expanding foam solution；Control system；Electricity generation system.
Description
Technical field
The present invention relates to Cementing technical fields, and in particular to one kind is suitable for oil field aerated fluid apparatus for work, especially
It is related to a kind of cementing unit of foam slurry.
Background technique
Cement leakage is one of the universal problem that well cementation field is faced.With going deep into for domestic exploration and development degree, Gu
The leakage ratio of well cement is also in the trend sharply increased.To improve cementing quality, annular space risk with pressure is reduced, therefore to low close
It spends well cementing of cement and proposes urgent need.Compared to traditional cements, foam slurry is due to the features such as density is low, intensity is higher, anti-
Leakage, anti-channeling have advantage in terms of improving replacement efficiency.
Currently, preparing foam slurry, there are two types of modes, i.e. chemical blowing and physical blowing.
It is that a certain amount of foaming agent is mixed in dry cement for chemical blowing, after cement and water mixing,
Certain chemical components in foaming agent and cement slurry, which react, generates gas, is distributed in cement to form foamed cement.
Since this mode gas forming amount is less, under down-hole high pressure environment, it is difficult to the density of foam slurry is greatly reduced,
And the density of foam slurry can not be adjusted in site operation at any time.Currently, China mainly in a manner of chemical blowing based on.
It is directly to be filled with using foam solution and cement slurry mixing or into the cement slurry containing expanding foam solution in physical blowing
The mode of gas generates foam slurry.Foreign countries are using Halliburton as representative, the well cementation of main development inflated with nitrogen foam slurry, closely
Over 10 years, China just begin one's study physical blowing well cementation mode, as patent of invention CN200810046582.1,
Using by water and foaming agent in CN201010263300.0, be first compounded into foam solution using air compressor, then by foam solution with
Conventional cement slurries are mixed, and this mode causes foam solution and cement slurry to occur since foam pressure is low, cement slurry pressure is high
Separation cannot be mixed effectively, it is difficult to meet reinforcing oil well operations involving high pressure.In utility model patent CN201427353Y
It is mentioned to a kind of aerated foam cement slurries mechanical air-distribution foaming machine group, by liquid mixing system, distribution foamed system and intelligent expert
Monitoring system composition, Major Systems need to be mounted on two sled formula pedestals, and equipment is huge.And the equipment using diesel engine and
Automatically controlled heating, energy consumption is high.
Therefore, to reduce the device is complicated degree, saving operating cost simultaneously reduces energy consumption, needs to provide one kind in the art
Foam slurry well cementation skid is set.
Summary of the invention
For some or all of of the above-mentioned technical problem in the presence of the prior art, the invention proposes a kind of foams
Cement slurry cementing skid is set, which integrates liquid nitrogen vaporization, high-pressure foam, automatic control, the small, occupied area with power
The advantages that small and automatic control.
The invention proposes a kind of foamed cement well cementation skids having following structure to set, comprising:
Liquid nitrogen is pressurized gasification system, for being pressurized and gasifying as high pressure nitrogen by liquid nitrogen；
Expanding foam solution pumping system, for pressurizeing for expanding foam solution；
Foam generating system, including first pipe and foam maker, wherein after the first pipe is for receiving pressurization
Expanding foam solution and cement slurry from cement pump truck to form the cement slurry containing expanding foam solution, the foam maker is for receiving
The high pressure nitrogen and the cement slurry containing expanding foam solution；
Control system；
Electricity generation system；
Skid pedestal occurs for installing the liquid nitrogen pressurization gasification system, the expanding foam solution pumping system, the foam
System, the control system and the electricity generation system.
In one embodiment, the foam maker includes two entrances and mixing chamber, is entered by described two
The fluid of mouth is entered with direction perpendicular to one another in the mixing chamber.
In one embodiment, the liquid nitrogen is pressurized gasification system, including water-bath type evaporator and boiler, wherein the pot
Furnace provides circulating hot water for the water-bath type evaporator, thus in the water-bath type evaporator by liquid nitrogen gasification be nitrogen.
In one embodiment, the water-bath type evaporator is connected by low temperature liquid nitrogen pump with external liquid nitrogen source.
In one embodiment, the water-bath type evaporator is connected by nitrogen buffer tank with the foam maker.
In one embodiment, the expanding foam solution pumping system includes foaming liquid case and plunger pump, and the foaming liquid case is logical
The plunger pump is crossed to be connected with the first pipe.
In one embodiment, the inside of the foaming liquid case sets heater, and outside is equipped with insulating layer.
In one embodiment, the control system includes sensor, for acquiring nitrogen, expanding foam solution and the number of cement slurry
According to.
In one embodiment, the control system further includes controller, and the controller is by controlling the Low Temperature Liquid
Nitrogen pumps the pump impulse with the plunger pump to adjust the density of foam slurry.
Foam slurry well cementation skid according to the present invention is set, and the liquid nitrogen pressurization gasification system passes through the low temperature
Liquid nitrogen pump sucks liquid nitrogen, and is delivered in the water-bath type evaporator after liquid nitrogen is pressurizeed.The water-bath type evaporator is logical
It is high pressure nitrogen that circulating hot water provided by the boiler, which is crossed, by the liquid nitrogen gasification after pressurization.Later, high pressure nitrogen enters
In the nitrogen buffer tank being connected with the water-bath type evaporator.Stablize to above-mentioned high pressure nitrogen air-flow and pressure
Afterwards, it enters in the foam generating system.
Foam slurry well cementation skid according to the present invention is set, and the expanding foam solution pumping system passes through the expanding foam solution
Case stores expanding foam solution, and the plunger pump by being connected with the foaming liquid case is delivered to the foam generating system
It is interior.
Foam slurry well cementation skid according to the present invention is set, in the first pipe, the expanding foam solution pumping
The cement slurry of the expanding foam solution of pressurization and cement pump truck output is formed the cement slurry containing expanding foam solution by system.Water containing expanding foam solution
Mud and above-mentioned high pressure nitrogen enter institute by two input ports of the foam maker with direction perpendicular to one another
It states in the mixing chamber of foam maker, and mixes generation foam slurry.
Compared with the prior art, the advantages of the present invention are as follows: integrated level is high, and compact-sized, occupied area is small, transporter
Just, it can be used for ocean platform or land platform operations；High degree of automation reduces operation complexity；Utilize circulating hot water
Heat heats liquid nitrogen, and energy consumption is lower；Cement slurry and expanding foam solution carry out high pressure mixing in the duct, and structure is simple, can shut out
Exhausted composition of air interference；Not only meet foam slurry well cementing operation, foam drilling fluid, foam fracturing fluid and foam can also be met
The aerated fluid operation of the oil fields such as gaslift.
Detailed description of the invention
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing, in figure:
Fig. 1 shows the top view illustration that foam slurry well cementation skid according to an embodiment of the invention is set.
In attached drawing, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
The following are the description of symbolss in attached drawing.
Skid pedestal 1, generator 2, boiler 3, low temperature liquid nitrogen pump 4, water-bath type evaporator 5, nitrogen buffer tank 6, nitrogen valve
Door 7, foam liquid case 8, plunger pump 9, foam maker 10, pipeline 11, pipeline 12, pipeline 13, plug valve 14, sensor 15, control
Device 16 processed, pipeline 111, pipeline 112, pipeline 121, pipeline 122, by-pass line 131.
Specific embodiment
In order to which technical solution of the present invention and advantage is more clearly understood, below in conjunction with attached drawing to of the invention exemplary
Embodiment is described in more detail.Obviously, the described embodiments are merely a part of the embodiments of the present invention, rather than
The exhaustion of all embodiments.And in the absence of conflict, the feature in the embodiment and embodiment in the present invention can be mutual
It combines.
A kind of high-pressure foam cement slurry cementing skid is proposed according to the present invention to set, and is illustrated below.
It is structural that Fig. 1 shows that the high-pressure foam cement slurry cementing skid of a specific embodiment according to the present invention is set
Schematic diagram.
As shown in Figure 1, the device includes skid pedestal 1, it is mounted with that foam slurry well cementation skid is set on skid pedestal 1
All parts, including liquid nitrogen pressurization gasification system, expanding foam solution pumping system, foam generating system, control system and power generation system
System etc., in order to whole Transporting.In one embodiment, foam slurry well cementation skid according to the present invention is set according to standard
Container Dimensions design, convenient transportation.In addition, the top design in device has several (such as four) hanging ring (not shown),
Handling for whole device.
The liquid nitrogen pressurization gasification system of the device is turned low temperature liquid nitrogen by way of liquid nitrogen pump pressurization and water-bath type heating
It is changed to 10-25 DEG C of high pressure nitrogen.The liquid nitrogen is pressurized gasification system by boiler 3, low temperature liquid nitrogen pump 4, water-bath type evaporator 5, nitrogen
Gas surge tank 6 and the pipeline being connected with these components are constituted.
According to the present invention, the low temperature liquid nitrogen from external liquid nitrogen source (not shown) is after the pressurization of low temperature liquid nitrogen pump 4, shape
At high-pressure liquid nitrogen.Then, high-pressure liquid nitrogen enters in water-bath type evaporator 5, and water-bath type evaporator 5 passes through the circulation that boiler 3 provides
The mode that hot water and high-pressure liquid nitrogen generate heat exchange gasifies high-pressure liquid nitrogen for high pressure nitrogen.Later, high pressure nitrogen enters nitrogen
The high pressure nitrogen of steady air current is formed in surge tank 6.Later, the high pressure nitrogen of steady air current enters back into foam generating system
To carry out next step operation.
Wherein, the suction inlet of low temperature liquid nitrogen pump 4 is connected by low-temp low-pressure manifold with external liquid nitrogen source.Low temperature liquid nitrogen
The delivery outlet of pump 4 is connected with the input port in water-bath type evaporator 5 by high pressure pipe joint.
In one embodiment, low temperature liquid nitrogen pump 4 is three-cylinder plunger pump, and pressure can reach 30Mpa, and be furnished with variable-frequency electric
Machine.The variable-frequency motor can carry out stepless speed regulation to the discharge capacity of liquid nitrogen.
The delivery outlet of water-bath type evaporator 5 is connected with the input port of high pressure nitrogen surge tank 6 by pressure piping.Water-bath
Formula evaporator 5 is designed using VMP high pressure coiled, and pressure resistance can achieve 70Mpa.Into the low temperature liquid nitrogen in coil pipe by with disk
The hot water circulated outside pipe carries out heat exchange and is converted to nitrogen at room after low temperature liquid nitrogen absorbs enough heats.
In the present embodiment, because cement slurry is normal temperature state, therefore, the temperature for the nitrogen that water-bath type evaporator 5 exports is between 5~25 DEG C
It can meet demand.
Boiler 3 is connected with water-bath type evaporator 5 by circulation line, and provides circulating hot water for water-bath type evaporator 5.This
In embodiment, boiler 3 is designed according to normal pressure, and venthole is equipped at the top of it.
Boiler 3 includes oil burner, boiler controller, heat-exchanger pump.Under normal pressure working condition, boiler 3 passes through fuel oil
Fuel oil in burner heats water, is maintained at the temperature of hot water between 60~85 DEG C.Boiler 3 by boiler controller come
The fuel oil in oil burner is lighted, and is sent hot water to water-bath type evaporator 5 by the heat-exchanger pump of its bottom.
Stream of nitrogen gas through the output of water-bath type evaporator 5 is simultaneously unstable, therefore need to further stablize in nitrogen buffer tank 6
Air-flow.Nitrogen buffer tank 6 be high-pressure bottle, can compression resistance 35Mpa, can be multiple bomb groups and be connected in series.It is slow in nitrogen
The top for rushing tank 6 is equipped with pressure gauge, by pressure gauge it can be observed how whether the nitrogen pressure in nitrogen buffer tank 6 is stable.
After nitrogen pressure is stablized, opens nitrogen valve 7 and nitrogen is delivered in foam generating system, to carry out next step operation.
The expanding foam solution pumping system of the device is made of foaming liquid case 8 and plunger pump 9 and its connecting line.Foam liquid case 8
Bottom be connected by low pressure pipeline with the suction inlet of plunger pump 9.
Foaming liquid case 8 is for storing expanding foam solution.Expanding foam solution is by matching a certain proportion of foaming agent, foam stabilizer and clear water
It makes.The inside for the liquid case 8 that foams is equipped with heater, and outside is equipped with insulating layer, to guarantee that the expanding foam solution of output is in room temperature shape
State.
Plunger pump 9 after expanding foam solution pressurizes for sending to foam generating system, to carry out next step operation.Preferably,
Plunger pump 9 is the electrically controlled plunger pump of variable ratio frequency changer speed regulation, and maximum pressure is up to 35Mpa.
The foam generating system of the device is made of foam maker 10 and coupled input and output pipeline.
In foam generating system, expanding foam solution is first completed to be pre-mixed with cement slurry, forms the cement slurry containing expanding foam solution, contains
There is the cement slurry of expanding foam solution to be mixed to form foam slurry with nitrogen again.
As shown in Figure 1, foam maker 10 is three way type, including two entrances and one outlet.Two of them entrance point
Not with pipeline 11, pipeline 12 is connected, and outlet is connected with pipeline 13.
One end of pipeline 11 is connected with one of entrance of foam maker 10, and the other end passes through pipeline 111 and nitrogen
Gas surge tank 6 is connected.Pipeline 112 is the parallel pipeline of pipeline 111, is used as backup line.In pipeline 111 and pipeline 112
On be mounted on plug valve 14.
One end of pipeline 12 is connected with another entrance of foam maker 10, and the other end passes through a T-type tee tube
Connector is connected with pipeline 121 and pipeline 122 respectively.Wherein pipeline 12 and pipeline 121 form through path.Pipeline 121 it is another
End is connected with external cement pump truck (not shown), for inputting cement slurry.The other end of pipeline 122 and the delivery outlet of plunger pump 9
It is connected, for inputting expanding foam solution.The cement slurry and expanding foam solution exported respectively through cement pump truck and plunger pump 9 converges in pipeline 12
It closes, forms the cement slurry containing expanding foam solution.
Foam maker 10 is high-pressure-resistant vessel, and internal structure is double injection helical flow paths.Gasification system is pressurized through liquid nitrogen
Nitrogen, expanding foam solution and the cement slurry that system and expanding foam solution pumping system, cement pump truck (not shown) export respectively are high pressure conditions,
Therefore, the cement slurry containing expanding foam solution and nitrogen are entered in foam maker 10 with the state sprayed.
For the mixed effect for improving nitrogen and the cement slurry containing expanding foam solution, cement slurry and nitrogen containing expanding foam solution are with phase
Mutually vertical direction enters in the mixing chamber of foam maker 10 to be mixed.In one embodiment, there is expanding foam solution
After cement slurry is along the mixing chamber that the radial direction of foam maker 10 enters foam maker 10, nitrogen is along foam maker
10 axial direction enters in the mixing chamber of foam maker 10.Cement slurry and nitrogen containing expanding foam solution are in the mixing chamber
After mixed once, enter in the helical flow path of foam maker 10.Mixed cement slurry and height containing expanding foam solution
Nitrogen is pressed, further by the operations such as dispersion and shock, to form the tiny foam slurry of foam in the helical flow path.Finally
The foam slurry of formation is exported to external cementing head (not shown) by pipeline 13 to complete well cementing operation.
Pipeline 121 for the pipeline 13 of foam output cement slurry and for inputting cement slurry is equipped with by-pass line 131.
Plug valve 14 is equipped on pipeline 13, pipeline 121 and by-pass line 131.When the device needs foam output cement slurry, answer
Close the plug valve on by-pass line 131 and the plug valve in opening conduits 13 and pipeline 121.When the device need to export light water
When mud, pipeline 13 and plug valve on pipeline 121 should be closed and open the plug valve on by-pass line 131.
In the present embodiment, pipeline 11, pipeline 12, pipeline 13, pipeline 111, pipeline 112, pipeline 121, pipeline 122, side
Thread a pipe 131 is 2 inches of seamless steel pipe.Pipeline connection type is union.
The control system of the device is made of sensor 15 and controller 16.
Sensor 15 is used to acquire the dynamic parameter of nitrogen, cement slurry and expanding foam solution comprising pressure gauge, turbine flow
Meter, nitrogen mass flow meter and thermometer, are separately mounted to according to demand on each pipeline.For example, being equipped with turbine on pipeline 122
Flowmeter is equipped with nitrogen mass flow meter on pipeline 11, does not repeat again.
Collected data are transferred on controller 16 by sensor 15, pass through the number of the foam slurry in controller 16
Model is learned to realize the control to the density of foam slurry.The mathematical model is using the density of foam slurry as target value, water
The discharge capacity of mud is given value, and the control of the density value to foam slurry is realized by adjusting the discharge capacity of liquid nitrogen and expanding foam solution
System.Controller 16 by motor-operated control valve issue an instruction to adjustment low temperature liquid nitrogen pump 4 and plunger pump 9 pump impulse, to change
The discharge capacity of liquid nitrogen and expanding foam solution, the discharge capacity real-time matching with cement slurry.
In one embodiment, controller 16 selects PLC control system, and selects contact action.
Electricity generation system in the device is made of generator 2 and its connection line.Generator 2 is that the power of the device comes
Source provides power supply for the dissipative cell in the device.
According to oil field operation demand, generator 2 preferentially selects explosion-proof generator.In one embodiment, generator 2
Preferably power is 100~150KW explosion-proof generator.
At the construction field (site) in use, need to only be connected directly the interface of the present apparatus and liquid nitrogen source, cement pump truck and cementing head,
It can be used.
In use, a certain proportion of cement slurry of input in Ying Xianxiang device, then a certain proportion of expanding foam solution is inputted, later,
A certain proportion of nitrogen is inputted again.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.Therefore, it includes excellent that the following claims are intended to be interpreted as
Select embodiment and fall into having altered and/or modifying for the scope of the invention, the change that embodiment according to the present invention is made and/
Or modification should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of foam slurry well cementation skid is set characterized by comprising
Liquid nitrogen is pressurized gasification system, for being pressurized and gasifying as high pressure nitrogen by liquid nitrogen；
Expanding foam solution pumping system, for pressurizeing for expanding foam solution；
Foam generating system, including first pipe and foam maker, wherein the first pipe is used to receive the hair after pressurization
Liquid and the cement slurry from cement pump truck are steeped to form the cement slurry containing expanding foam solution, and the foam maker is described for receiving
High pressure nitrogen and cement slurry containing expanding foam solution；
Control system；
Electricity generation system；
Skid pedestal, for installing liquid nitrogen the pressurization gasification system, the expanding foam solution pumping system, the foam system
System, the control system and the electricity generation system.
2. the apparatus according to claim 1, which is characterized in that the foam maker includes two entrances and mixing chamber,
It is entered in the mixing chamber by the fluid of described two entrances with direction perpendicular to one another.
3. device according to claim 1 or 2, which is characterized in that the liquid nitrogen pressurization gasification system includes that water-bath type steams
Send out device and boiler, wherein the boiler provides circulating hot water for the water-bath type evaporator, thus in the water-bath type evaporator
It is interior by liquid nitrogen gasification be nitrogen.
4. device according to claim 3, which is characterized in that the water-bath type evaporator passes through low temperature liquid nitrogen pump and outside
Liquid nitrogen source is connected.
5. device according to claim 3 or 4, which is characterized in that the water-bath type evaporator by nitrogen buffer tank with
The foam maker is connected.
6. according to claim 1 to device described in any one of 5, which is characterized in that the expanding foam solution pumping system includes hair
Bubble liquid case and plunger pump, the foaming liquid case are connected by the plunger pump with the first pipe.
7. device according to claim 6, which is characterized in that the inside of the foaming liquid case is equipped with heater, and outside is set
There is insulating layer.
8. according to claim 1 to device described in any one of 7, which is characterized in that the control system includes sensor, is used
In the data of acquisition nitrogen, expanding foam solution and cement slurry.
9. according to claim 1 to device described in any one of 8, which is characterized in that the control system further includes controller,
The controller adjusts the density of foam slurry by controlling the pump impulse of the low temperature liquid nitrogen pump and the plunger pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055993.2A CN109751012A (en) | 2017-11-01 | 2017-11-01 | Foam slurry well cementation skid is set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055993.2A CN109751012A (en) | 2017-11-01 | 2017-11-01 | Foam slurry well cementation skid is set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751012A true CN109751012A (en) | 2019-05-14 |
Family
ID=66397694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711055993.2A Pending CN109751012A (en) | 2017-11-01 | 2017-11-01 | Foam slurry well cementation skid is set |
Country Status (1)
| Country | Link |
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| CN (1) | CN109751012A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023224793A1 (en) * | 2022-05-19 | 2023-11-23 | Baker Hughes Oilfield Operations Llc | Foamed cementing system including automated gas supply |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4797003A (en) * | 1987-04-22 | 1989-01-10 | Dowell Schlumberger Incorporated | Foamed slurry generator |
| CN201427353Y (en) * | 2009-04-09 | 2010-03-24 | 厦门卓晓油田设备技术开发有限公司 | Mechanical air-distribution foaming machine set for aerated foam cement slurries |
| CN201974067U (en) * | 2010-12-03 | 2011-09-14 | 新地能源工程技术有限公司 | Water-bath type gasifier |
| CN104420847A (en) * | 2013-08-29 | 2015-03-18 | 中国石油化工股份有限公司 | Method for preparing foamed cement slurry |
| CN106322104A (en) * | 2016-10-09 | 2017-01-11 | 山东恒业石油新技术应用有限公司 | Large-displacement all-hydraulic mixing evaporative type liquid nitrogen pump truck |
-
2017
- 2017-11-01 CN CN201711055993.2A patent/CN109751012A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4797003A (en) * | 1987-04-22 | 1989-01-10 | Dowell Schlumberger Incorporated | Foamed slurry generator |
| CN201427353Y (en) * | 2009-04-09 | 2010-03-24 | 厦门卓晓油田设备技术开发有限公司 | Mechanical air-distribution foaming machine set for aerated foam cement slurries |
| CN201974067U (en) * | 2010-12-03 | 2011-09-14 | 新地能源工程技术有限公司 | Water-bath type gasifier |
| CN104420847A (en) * | 2013-08-29 | 2015-03-18 | 中国石油化工股份有限公司 | Method for preparing foamed cement slurry |
| CN106322104A (en) * | 2016-10-09 | 2017-01-11 | 山东恒业石油新技术应用有限公司 | Large-displacement all-hydraulic mixing evaporative type liquid nitrogen pump truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023224793A1 (en) * | 2022-05-19 | 2023-11-23 | Baker Hughes Oilfield Operations Llc | Foamed cementing system including automated gas supply |
| US11828133B1 (en) | 2022-05-19 | 2023-11-28 | Baker Hughes Oilfield Operations Llc | Foamed cementing system including automated gas supply |
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Application publication date: 20190514 |