CN106959257A - A kind of method of laboratory evaluation crude oil gathering pipelines scale remover - Google Patents
A kind of method of laboratory evaluation crude oil gathering pipelines scale remover Download PDFInfo
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- CN106959257A CN106959257A CN201710358179.1A CN201710358179A CN106959257A CN 106959257 A CN106959257 A CN 106959257A CN 201710358179 A CN201710358179 A CN 201710358179A CN 106959257 A CN106959257 A CN 106959257A
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- scale remover
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The present invention relates to a kind of method of laboratory evaluation crude oil gathering pipelines scale remover.The invention belongs to laboratory evaluation technical field.A kind of method of laboratory evaluation crude oil gathering pipelines scale remover, is characterized in：The method of laboratory evaluation crude oil gathering pipelines scale remover includes following technical process：(1) live profit sample is put into the circulator with having heaters and agitator, turn on agitator and heater are heated to field working conditions temperature；(2) dirty sample is weighed, is put into filter box, filter box is fixed in pipeloop；(3) scale remover is added in the profit sample of circulator；(4) open the circulation pump, is circulated and accumulative experimental period；(5) after experiment terminates, the filter box in pipeloop is taken out, the dirty sample in filter box is weighed, the loss late of dirty sample is calculated.The present invention have it is simple to operate, can simulated field process conditions to greatest extent, experimental results are more accurate, evaluate the advantages of good scale remover that carrys out effect is more suitable for onsite application.
Description
Technical field
The invention belongs to laboratory evaluation technical field, more particularly to a kind of laboratory evaluation crude oil gathering pipelines scale removal
The method of agent.
Background technology
In process of production, due to the change of process environments, incrustation ion can be tied offshore oilfield in production procedure
Dirty phenomenon, blocks the key position of the technological systems such as pipeline, pump, valve, reduces oil field production capacity；Fouling can seriously cause pressure difference mistake
Greatly, platform stopping production is ultimately resulted in.
At present, scale remover is one of conventional medicament of Oil Field, if scale remover without laboratory screening evaluation or
Person's evaluation method is incorrect directly to be used at the scene, it is possible to which scale remover effect is bad, the dirt accumulated in flow pipeline can not and
When dispose, exist and block the pipeline even risk closed down of oil field.The method that tradition evaluates scale remover is static immersing method, the party
Although method is simple easily operated, experiment condition can not simulated field actual conditions to greatest extent, there is gained evaluation result not
Accurately, the low technical problem of efficiency.
The content of the invention
The present invention provides a kind of laboratory evaluation crude oil gathering pipelines to solve technical problem present in known technology
The method of scale remover.
Scale remover is one of conventional medicament of Oil Field, and scale remover makes dirty thing molten by way of hydrothermal circulation or immersion
Solve or become loose and be easy to come off, with scale removal thoroughly, to fouling equipment not damaged, be conducive to recovering oil gas well potential etc.
Advantage, different types of scale remover will pass through Laboratory Evaluation, and only effective good scale remover could be used at the scene.This
The effect of scale remover, temperature, the flow velocity that this method can be in simulated field operating mode etc. are evaluated in invention using dynamic circulation, are used
The scale remover that dynamic evaluation approach is screened is adapted to use under environment at the scene, and this method has simple, it is easy to the advantages of operating.
Have it is an object of the invention to provide one kind simple to operate, it is convenient to evaluate, being capable of simulated field technique to greatest extent
Operating mode, experimental results are more accurate, evaluate laboratory the features such as the good scale remover that carrys out effect is more suitable for onsite application and comment
The method of valency crude oil gathering pipelines scale remover.
During laboratory evaluation crude oil gathering pipelines scale remover of the present invention, evaluation procedure：
(1) the live profit sample of certain volume is put into the circulation barrel with having heaters and agitator, turn on agitator
With heater, field working conditions temperature is heated to；
(2) the dirty sample of certain mass is weighed, is put into filter box, and filter box is fixed in pipeloop；
(3) certain density scale remover is added in the profit sample in circulation barrel；
(4) flow velocity of fluid in open the circulation pump, regulation pipeline, circulation carries out the experiment of certain time；
(5) after experiment terminates, circulating pump is closed, turns off heater and agitator, the filter box in pipeloop is taken out, to filter
Dirty sample in box is weighed, the loss late of dirty sample after experiment with computing.
The method of laboratory evaluation crude oil gathering pipelines scale remover of the present invention is adopted the technical scheme that：
The method of laboratory evaluation crude oil gathering pipelines scale remover, is characterized in：Laboratory evaluation crude oil gathering pipelines are removed
Dirty agent device includes circulator, circulating pump and filter box；Heater and agitator are provided with circulator；Circulator can even be followed by pipeline
Equipped with filter box on ring pump, pipeline；Evaluating the method for crude oil gathering pipelines scale remover includes following technical process：
(1) live profit sample is put into the circulator with having heaters and agitator, turn on agitator and heater, plus
Heat arrives field working conditions temperature；
(2) dirty sample is weighed, is put into filter box, filter box is fixed in pipeloop；
(3) scale remover is added in the profit sample of circulator；
(4) open the circulation pump, is circulated and accumulative experimental period；
(5) after experiment terminates, circulating pump is closed, turns off heater and agitator, the filter box in pipeloop is taken out, to filter
Dirty sample in box is weighed, and calculates the loss late of dirty sample, crude oil gathering pipelines scale remover is evaluated.
The method of laboratory evaluation crude oil gathering pipelines scale remover of the present invention can also be adopted the following technical scheme that：
The method of described laboratory evaluation crude oil gathering pipelines scale remover, is characterized in：Circulator is circulation barrel, circulation
Bucket is built with electric heater and electric mixer；It is electrically heated to 50-70 DEG C of field working conditions temperature.
The method of described laboratory evaluation crude oil gathering pipelines scale remover, is characterized in：In the profit sample of circulator
The concentration for adding scale remover is volume parts 0.2-1.5%.
The method of described laboratory evaluation crude oil gathering pipelines scale remover, is characterized in：ON cycle pump circulation adds up
Experimental period is 24-72h.
The present invention has the advantages and positive effects of：
The method of laboratory evaluation crude oil gathering pipelines scale remover is as a result of the brand-new technical scheme of the present invention, with showing
There is technology to compare, the present invention has simple to operate, and it is convenient to evaluate, being capable of simulated field process conditions, gained experiment to greatest extent
As a result it is more accurate, evaluate the advantages of good scale remover that carrys out effect is more suitable for onsite application.
Brief description of the drawings
Fig. 1 is laboratory evaluation crude oil gathering pipelines scale remover equipment therefor structural representation of the present invention.
In figure, 1, heater；2nd, circulation barrel；3rd, agitator；4th, box is filtered；5th, pipeloop；6th, circulating pump.
Embodiment
For the content of the invention, feature and effect of the present invention can be further appreciated that, following examples are hereby enumerated, and coordinate accompanying drawing
Describe in detail as follows：
Refering to accompanying drawing 1.
Embodiment 1
The method of laboratory evaluation crude oil gathering pipelines scale remover, its laboratory evaluation crude oil gathering pipelines scale remover device
Including circulation barrel, circulating pump and filter box；Heater and agitator are provided with circulation barrel；Circulation barrel even can circulating pump, pipe by pipeline
Equipped with filter box on line；Evaluating the method for crude oil gathering pipelines scale remover includes following technical process：
Take 25L Wenchang Oilfield profit samples to be put into the circulation barrel 2 with having heaters 1 and agitator 3, open stirring 3 with adding
Hot device 1, is heated to field working conditions temperature 60 C；It is m to weigh live dirty sample quality1, it is put into filter box 4, and filter box 4 is fixed on
In pipeloop 5；The scale remover CG-01 to be evaluated that volume parts are 0.3% is added in profit sample in circulation barrel 2；Open
The flow velocity for opening fluid in circulating pump 6, regulation pipeloop 5 is 0.8m/s, and circulation carries out 48h experiment；After experiment terminates, close
Circulating pump 6, stops heater 1 and agitator 3, takes out the filter box 4 in pipeloop 5, and the dirty sample in filter box 4 is weighed,
The weight of remaining dirt sample is m2, according to formula (m1-m2)/m1× 100% calculates the loss late of dirty sample；Repeat the above steps progress
Scale remover CG-02 and scale remover CG-03 experiment, experimental result data is shown in Table 1, it can be seen that under same experimental conditions, plus
Scale remover CG-02 dirty sample loss late is maximum, reaches 31.99%, the chemical descaling effect is best.
The scale remover effect assessment tables of data of table 1
Embodiment 2
The method of laboratory evaluation crude oil gathering pipelines scale remover, its laboratory evaluation crude oil gathering pipelines scale remover device
Including circulation barrel, circulating pump and filter box；Heater and agitator are provided with circulation barrel；Circulation barrel even can circulating pump, pipe by pipeline
Equipped with filter box on line；Evaluating the method for crude oil gathering pipelines scale remover includes following technical process：
Take 25L Weizhous oil field oil water sample to be put into the circulation barrel 2 with having heaters 1 and agitator 3, turn on agitator 3 with
Heater 1, and it is heated to 85 DEG C of field working conditions temperature；It is m to weigh live dirty sample quality1, it is put into filter box 4, and filter box 4 is consolidated
It is scheduled in pipeloop 5；The scale remover CG- to be evaluated that volume fraction is 0.8% is added in profit sample in circulation barrel 2
01；The flow velocity of fluid is 1.5m/s in open the circulation pump 6, regulation pipeloop 5, and circulation carries out 48h experiment；Experiment terminates
Afterwards, circulating pump 6 is closed, stops heater 1 and agitator 3, the filter box 4 in pipeloop 5 is taken out, the dirty sample in filter box 4 is entered
Row is weighed, and the weight of remaining dirt sample is m2, according to formula (m1-m2)/m1× 100% calculates the loss late of dirty sample；Repeat above-mentioned step
The rapid experiment for carrying out scale remover CG-02 and scale remover CG-03, experimental result data is shown in Table 2, it can be seen that in identical experiment bar
Under part, plus scale remover CG-03 dirty sample loss late is maximum, reaches 41.42%, the chemical descaling effect is best.
The scale remover effect assessment tables of data of table 2
The present embodiment has described simple to operate, evaluates convenient, being capable of simulated field process conditions, gained to greatest extent
Experimental result is more accurate, evaluates and carrys out effect good scale remover is more suitable for the good effects such as onsite application.
Claims (4)
1. a kind of method of laboratory evaluation crude oil gathering pipelines scale remover, it is characterized in that：Laboratory evaluation crude oil gathering pipelines
Scale remover device includes circulator, circulating pump and filter box；Heater and agitator are provided with circulator；Circulator connects energy by pipeline
Equipped with filter box on circulating pump, pipeline；Evaluating the method for crude oil gathering pipelines scale remover includes following technical process：
(1) live profit sample is put into the circulator with having heaters and agitator, turn on agitator and heater are heated to
Field working conditions temperature；
(2) dirty sample is weighed, is put into filter box, filter box is fixed in pipeloop；
(3) scale remover is added in the profit sample of circulator；
(4) open the circulation pump, is circulated and accumulative experimental period；
(5) after experiment terminates, circulating pump is closed, turns off heater and agitator, the filter box in pipeloop is taken out, in filter box
Dirty sample weighed, calculate the loss late of dirty sample, crude oil gathering pipelines scale remover evaluated.
2. the method for laboratory evaluation crude oil gathering pipelines scale remover according to claim 1, it is characterized in that：Circulator is
Circulation barrel, circulation barrel is built with electric heater and electric mixer；It is electrically heated to 50-70 DEG C of field working conditions temperature.
3. the method for laboratory evaluation crude oil gathering pipelines scale remover according to claim 1, it is characterized in that：In circulator
Profit sample in add scale remover concentration be volume parts 0.2-1.5%.
4. the method for laboratory evaluation crude oil gathering pipelines scale remover according to claim 1, it is characterized in that：ON cycle
It is 24-72h that pump circulation, which adds up experimental period,.
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| CN201710358179.1A CN106959257A (en) | 2017-05-19 | 2017-05-19 | A kind of method of laboratory evaluation crude oil gathering pipelines scale remover |
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| CN101246105A (en) * | 2008-01-16 | 2008-08-20 | 东北电力大学 | Method and device for measuring anti-dirty performance of material surface based on weight method |
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| CN102680350A (en) * | 2012-06-01 | 2012-09-19 | 南京大学 | Scale inhibitor performance evaluation device and method suitable for circulating cooling water systems |
| CN103028577A (en) * | 2012-12-10 | 2013-04-10 | 天津亿利科能源科技发展股份有限公司 | Offshore oil and gas field gathering and transmission pipe descaling and evaluation method |
| CN103808598A (en) * | 2012-11-13 | 2014-05-21 | 王晓庆 | Evaluation method of descaling rate of oil-gas well |
| CN103808620A (en) * | 2012-11-13 | 2014-05-21 | 谭勇 | Method for measuring corrosion performance of descaling agent |
| CN103851953A (en) * | 2014-03-28 | 2014-06-11 | 株洲开元工业设备清洗有限公司 | Independent mini-flow circulation type chemical descaling method of tubular heat exchanger |
| CN105277659A (en) * | 2015-09-24 | 2016-01-27 | 西南石油大学 | Apparatus and method for dynamic simulation of petroleum pipe scaling and wax precipitation |
| CN206132541U (en) * | 2016-08-31 | 2017-04-26 | 克拉玛依市三达检测分析有限责任公司 | Oil field sewage antisludging agent evaluation device |
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2017
- 2017-05-19 CN CN201710358179.1A patent/CN106959257A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246105A (en) * | 2008-01-16 | 2008-08-20 | 东北电力大学 | Method and device for measuring anti-dirty performance of material surface based on weight method |
| CN102156082A (en) * | 2011-01-27 | 2011-08-17 | 洛阳康润石油化工科技开发有限公司 | Evaluation method of oil-soluble scale inhibitor and tester |
| CN102680350A (en) * | 2012-06-01 | 2012-09-19 | 南京大学 | Scale inhibitor performance evaluation device and method suitable for circulating cooling water systems |
| CN103808598A (en) * | 2012-11-13 | 2014-05-21 | 王晓庆 | Evaluation method of descaling rate of oil-gas well |
| CN103808620A (en) * | 2012-11-13 | 2014-05-21 | 谭勇 | Method for measuring corrosion performance of descaling agent |
| CN103028577A (en) * | 2012-12-10 | 2013-04-10 | 天津亿利科能源科技发展股份有限公司 | Offshore oil and gas field gathering and transmission pipe descaling and evaluation method |
| CN103851953A (en) * | 2014-03-28 | 2014-06-11 | 株洲开元工业设备清洗有限公司 | Independent mini-flow circulation type chemical descaling method of tubular heat exchanger |
| CN105277659A (en) * | 2015-09-24 | 2016-01-27 | 西南石油大学 | Apparatus and method for dynamic simulation of petroleum pipe scaling and wax precipitation |
| CN206132541U (en) * | 2016-08-31 | 2017-04-26 | 克拉玛依市三达检测分析有限责任公司 | Oil field sewage antisludging agent evaluation device |
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Application publication date: 20170718 |
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