CN106434030A - Cleaning agent applicable to viscous sulfur-bearing scale in high sulfur gas field gathering and transportation system - Google Patents
Cleaning agent applicable to viscous sulfur-bearing scale in high sulfur gas field gathering and transportation system Download PDFInfo
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- CN106434030A CN106434030A CN201610830605.2A CN201610830605A CN106434030A CN 106434030 A CN106434030 A CN 106434030A CN 201610830605 A CN201610830605 A CN 201610830605A CN 106434030 A CN106434030 A CN 106434030A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/835—Mixtures of non-ionic with cationic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
- C09K8/532—Sulfur
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/046—Salts
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/30—Amines; Substituted amines ; Quaternized amines
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3707—Polyethers, e.g. polyalkyleneoxides
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/667—Neutral esters, e.g. sorbitan esters
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention relates to a cleaning agent applicable to viscous sulfur-bearing scale in a high sulfur gas field gathering and transportation system. The cleaning agent comprises a liquid phase: 5-8 parts of non-ionic surfactant, 1-2 parts of accelerant, 4-8 parts of dodecyl dimethyl benzyl ammonium chloride, 1.5-2.5 parts of penetrant JFC, and a solid phase: 5-10 parts of sodium hydroxide, 10-15 parts of sodium carbonate, 3-5 parts of sodium sulfide and 15-20 parts of sodium metasilicate pentahydrate. The cleaning agent mainly adopts inorganic substances, and can efficiently dissolve and clean viscous sulfur-bearing obstructions in the high sulfur gas field gathering and transportation system at a lower operating temperature. The cleaning agent adopts the inorganic substances as principal ingredients; other assistants are water-soluble, nontoxic, harmless and involatile substances; at the same time, the corrosivity to an equipment material and a sealing element material is controlled within a relevant national standard scope; the cleaning agent can be used for site operation safely.
Description
Technical field
The present invention relates to the cleaning agent in a kind of gathering system of gas field, it is more particularly related to a kind of be suitable for
The cleaning agent of sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system.
Background technology
High sulfur Gas Fields can arrange thing, elemental sulfur, well head additive, corrosion inhibiter with a large amount of stratum are counter in gas recovery
Deposit in surface gathering system Deng material, form a kind of sticky sulfur-bearing dirt matter.These dirty matter are in various separation equipment and technique
Deposit in a large number in pipeline, lead to volume of equipment to reduce, pipeline blocks, the corrosion of apparatus body material, greatly have impact on gas field collection
The normal operation of defeated system, for removing the incrustation risk in gathering system, needs periodically to be carried out operation to gathering system.But by
It is high containing H in job site2The particular surroundings of S, does not allow H in chemical cleaning project operation2S overflow dissipate, leakage is it is desirable to whole
Airtight；For high sulfur Gas Fields gathering system, relate to sulphur equipment, pipeline to open program complicated, be related to before opening：
The steps such as isolation, purging, deodorant passivation, displacement, also need to carry out pressure testing leak test during closing, are related to a large amount of height in whole opening procedure
The job content of security risk, these job contents can greatly affect the normal operation of gas gathering station or whole gathering system, if
Open the key equipment that object is in system to be necessary for closing down gathering system part.
Mainly there is following several measure for what matter dirty in high sulfur Gas Fields gathering system blocked both at home and abroad at present：
One is by the way of labor cleaning, and after opening equipment or removing pipeline, workmen's access arrangement inner utilization manpower will
In equipment, the sticky sulfur-bearing dirt matter of deposition cleans out.
Two is alkali cleaning, using NaOH or Na2CO3The alkali lye preparing 5-15wt.% etc. strong basicity chemicals enters to relating to sulphur equipment
Row rinses.
Three is conventional molten sulphur agent cleaning, carries out Chemical cleaning using molten sulphur agent.
But there is problems with above-mentioned three measures：
1st, need to open equipment before labor cleaning's construction, greatly, when carrying out opening operation, gas gathering station leads to potential safety hazard simultaneously
Often need the cooperation that stops production, the normal operation of impact gas gathering station.
2nd, alkali lye is very poor to matter specific aim dirty in high sulfur Gas Fields gathering system, is only capable of part few in dirty matter is made
With.
3rd, conventional molten sulphur agent is organic solvent composition, such as CS mostly2、CCl4, polyamines, hydramine etc., these organic solvents all belong to
In poisonous and harmful product, partly belong to inflammable explosive article, simultaneously conventional molten sulphur agent is only capable of to the elemental sulfur effect in incrustation it is impossible to fit
Answer the complex component dirt matter of deposition in gathering system, cleaning performance is not good.
State Intellectual Property Office discloses Publication No. CN104907292A in 2015.09.16, entitled " a kind of
The invention of high sulfur Gas Fields gas gathering station sand washing cleaning ", the invention provides a kind of sand washing cleaning of high sulfur Gas Fields gas gathering station
Technique, this technique carries out sand washing cleaning to equipment in gas gathering station using sand washing skid in the case of not stopping production, and makes original first
Fluid in pipeline flows into upstream device by by-pass collar, closes equipment to be cleaned, then treats cleaning equipment and be passivated, clearly
The operations such as lotion cleaning, clear water flushing, finally adjust fluid and flow to existing equipment, dismantle sand washing skid, complete scavenger
Make, the cleaning that the present invention provides, simple and efficient to handle, without using lifting, during cleaning, equipment and personnel's is safe,
Medicament used in cleaning process and water energy enough recycle, and economize on resources.
In the above documents, disclose cleaning agent by the component including following weight proportion：Molten sulphur agent 5-10 part, dispersant
3-15 part, complexing agent 1-18 part.Further, composition, the proportioning of molten sulphur agent, dispersant and complexing agent are also disclosed.
Above-mentioned existing molten sulphur agent or similar molten sulphur agent main component are water miscible organic amine or mercaptan, thioether class
Material, these materials have unpleasant stink, and toxicity is stronger, and volatility is stronger, at work progress and follow-up raffinate
Easily environment and operating personnel's body are worked the mischief during reason, some have been prohibited from use.The gas of these materials volatilization
It is mutually inflammable and explosive, process to construction and raffinate and all can bring serious potential safety hazard.In addition, these materials seal to equipment
Part especially rubber-like seal has stronger swelling action to cause seal to damage.
In addition, also having following two documents：
1、《The research of the molten sulphur agent of high sulfur Gas Fields and application》,《Oil and gas chemical industry》Volume 41 first phase in 2012；Should
Document discloses molten sulphur agent DMDS（DMDS, water insoluble, foul smelling, inflammable）Or DMDS/MAT=100:3.5；
2、《High sulfur Gas Fields gas gathering station checking maintenance technology》,《Scientific and technical innovation Leader》No.28 in 2015；The document discloses molten sulphur
Agent DMDS（DMDS, water insoluble, foul smelling, inflammable）.
DMDS in above-mentioned document water insoluble it is impossible to cleaning aqueous phase cleaning object.DMDS also has
Stench, and be one-level flammable liquid, these characteristics are all not used to site safety construction.
Content of the invention
Present invention seek to address that being currently used for the cleaning agent of high sulfur Gas Fields gathering system or having of molten sulphur agent presence
Poison, inflammable and explosive, higher using temperature, can only be to elemental sulfur effect it is impossible to adapt to the complex component of deposition in gathering system
Dirty matter, the not good problem of cleaning performance, a kind of cleaning being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system is provided
Medicament.This cleaning agent mainly adopts inorganic matter, can clean high sulfur Gas Fields collection by high-efficiency dissolution at a temperature of relatively low use
Sticky sulfur-bearing tamper in defeated system.
In order to realize foregoing invention purpose, its specific technical scheme is as follows：
A kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system it is characterised in that：Including following
Raw material in parts by weight：
Liquid phase：
Nonionic surfactant 5-8 part
Accelerator 1-2 part
Dodecyl benzyl dimethyl ammonium chloride 4-8 part
Penetrating agent JFC 1.5-2.5 part；
Solid phase：
NaOH 5-10 part
Sodium carbonate 10-15 part
Vulcanized sodium 3-5 part
Metasilicate pentahydrate sodium 15-20 part.
Nonionic surfactant of the present invention is the conventional nonionic surface-active in addition to penetrating agent JFC
Agent, preferably APES, polyoxyethylene carboxylate or fatty acid methyl ester ethoxylate.
Accelerator of the present invention is this area conventional accelerator, preferably fatty amines accelerator（As three
Monoethanolamine etc.）.
Penetrating agent JFC of the present invention is AEO.
A kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system it is characterised in that：Described
The using method of cleaning agent comprise the following steps：
A, cleaning agent is configured to the aqueous solution according to proportioning, obtains cleaning fluid stand-by；
B, object switching flow to be onstructed, isolation, purging, connect interim flow process；
C, the cleaning fluid in step A having configured is filled in equipment or the pipeline of construction, is soaked；
D, using pump to filling cleaning fluid be circulated, at set intervals the sulfide content in sample examination waste liquid,
The contents such as SS, oil content judge washing and cleaning operation terminal；
E, discharge cleaning fluid, the cleaning fluid raffinate in a small amount of clear water replacement equipment of filling, pipeline；
F, the interim flow process of dismounting, restorer production procedure, cleaning completes.
In step, the described aqueous solution is the aqueous solution of 10-20wt.% to the present invention.
In step C, the time of described immersion is 6-8h to the present invention.
In step D, the time of described circulation is 4-6h to the present invention.
In step D, described be every 1h to the present invention at set intervals.
The Advantageous Effects that the present invention brings：
What the 1st, the present invention solved that the cleaning agent being currently used for high sulfur Gas Fields gathering system or molten sulphur agent exist is toxic,
Inflammable and explosive, higher using temperature, elemental sulfur can only be acted on it is impossible to adapt to the complex component dirt matter of deposition in gathering system,
The not good problem of cleaning performance, provides a kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system.
This cleaning agent mainly adopts inorganic matter, can clean high sulfur Gas Fields gathering system by high-efficiency dissolution at a temperature of relatively low use
Interior sticky sulfur-bearing tamper.The cleaning agent main component of the present invention employs inorganic matter, and other auxiliary agents are also water-soluble nothing
The harmless nonvolatile material of poison, all controls in relevant national standard model to the corrosivity of equipment material and seal material simultaneously
Within enclosing, site operation can be used safely in.
2nd, the using method of the cleaning agent that the present invention provides, that is, cleaning process need not open equipment, it is to avoid beat
Open up standby required complicated procedures and potential safety hazard；Because in high sulfur Gas Fields, relate to sulphur pressure vessel and operationally wherein contain
The hypertoxic hydrogen sulfide of high concentration, such as opens equipment and then first therein must will replace clean, this one red tape of needs.Also
Avoid and be likely to occur the danger that hydrogen sulfide leakage pollutes environment and causes people's injures and deaths.Total system is achieved in whole operation process
Airtight it is therefore prevented that the spilling of pernicious gas.
3rd, the present invention passes through to fill specific cleaning agent into high sulfur Gas Fields gathering system, by the leaching of certain time
Bubble, circulation, can wash out the sticky sulfur-bearing dirt matter of the deposition in gathering system outside gathering system, solve gathering system by dirty matter
Blocking, the problem of corrosion.The present invention can not stop production operation, do not affect gathering system and normally run；Sewage yield significantly subtracts
Few, sewage average product accounts for the 1/3-1/2 of equipment dischargeable capacity；Security risk is low, without opening operation；Labour intensity is low,
Used device is few, decreases the operating risk of heavy duty work；Strong adaptability to incrustation in high sulfur Gas Fields gathering system, can be
The normal operation of gathering system is ensured in longer time section.
4 present invention is mainly applied to high sulfur Gas Fields or other be related to the equipment of high Sulphur Contaminated Environment, the checking maintenance of pipeline,
The fields such as regular maintenance, cleaning de-plugging operation.The serious problem of the internal incrustation of high sulfur Gas Fields gathering system generally existing at present,
With the deposition of these dirty matter, the problem of gathering system frequent jams also becomes increasingly conspicuous, and causes equipment to build the pressure, instrument malfunction, material
The harm such as material corrosion, bring greatly potential safety hazard to equipment safety.It is applied to high sulfur Gas Fields gathering system using this
The cleaning agent of interior sticky sulfur-bearing dirt matter can effectively solve every problem that incrustation brings, and it has a extensive future.
Specific embodiment
Embodiment 1
A kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system, including following according to parts by weight
The raw material of meter：
Liquid phase：
5 parts of nonionic surfactant
1 part of accelerator
4 parts of dodecyl benzyl dimethyl ammonium chloride
1.5 parts of penetrating agent JFC；
Solid phase：
5 parts of NaOH
10 parts of sodium carbonate
3 parts of vulcanized sodium
15 parts of metasilicate pentahydrate sodium.
Embodiment 2
A kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system, including following according to parts by weight
The raw material of meter：
Liquid phase：
8 parts of nonionic surfactant
2 parts of accelerator
8 parts of dodecyl benzyl dimethyl ammonium chloride
2.5 parts of penetrating agent JFC；
Solid phase：
10 parts of NaOH
15 parts of sodium carbonate
5 parts of vulcanized sodium
20 parts of metasilicate pentahydrate sodium.
Embodiment 3
A kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system, including following according to parts by weight
The raw material of meter：
Liquid phase：
6.5 parts of nonionic surfactant
1.5 parts of accelerator
6 parts of dodecyl benzyl dimethyl ammonium chloride
2 parts of penetrating agent JFC；
Solid phase：
7.5 parts of NaOH
12.5 parts of sodium carbonate
4 parts of vulcanized sodium
17.5 parts of metasilicate pentahydrate sodium.
Embodiment 4
A kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system, including following according to parts by weight
The raw material of meter：
Liquid phase：
6 parts of nonionic surfactant
1.2 parts of accelerator
7 parts of dodecyl benzyl dimethyl ammonium chloride
1.8 parts of penetrating agent JFC；
Solid phase：
8 parts of NaOH
13 parts of sodium carbonate
3.5 parts of vulcanized sodium
19 parts of metasilicate pentahydrate sodium.
Embodiment 5
On the basis of embodiment 1-4：
Preferably, described nonionic surfactant is APES, polyoxyethylene carboxylate or aliphatic acid
FMEE.
Preferably, described accelerator is fatty amines accelerator.
Embodiment 6
On the basis of embodiment 1-4：
The using method of described cleaning agent comprises the following steps：
A, cleaning agent is configured to the aqueous solution according to proportioning, obtains cleaning fluid stand-by；
B, object switching flow to be onstructed, isolation, purging, connect interim flow process；
C, the cleaning fluid in step A having configured is filled in equipment or the pipeline of construction, is soaked；
D, using pump to filling cleaning fluid be circulated, at set intervals the sulfide content in sample examination waste liquid,
The contents such as SS, oil content judge washing and cleaning operation terminal；
E, discharge cleaning fluid, the cleaning fluid raffinate in a small amount of clear water replacement equipment of filling, pipeline；
F, the interim flow process of dismounting, restorer production procedure, cleaning completes.
Embodiment 7
On the basis of embodiment 6：
Preferably, in step, the described aqueous solution is the aqueous solution of 10wt.%.
Preferably, in step C, the time of described immersion is 6h.
Preferably, in step D, the time of described circulation is 4h.
Preferably or further, in step D, described is every 1h at set intervals.
Embodiment 8
On the basis of embodiment 6：
Preferably, in step, the described aqueous solution is the aqueous solution of 20wt.%.
Preferably, in step C, the time of described immersion is 8h.
Preferably, in step D, the time of described circulation is 6h.
Preferably or further, in step D, described is every 1h at set intervals.
Embodiment 9
On the basis of embodiment 6：
Preferably, in step, the described aqueous solution is the aqueous solution of 15wt.%.
Preferably, in step C, the time of described immersion is 7h.
Preferably, in step D, the time of described circulation is 5h.
Preferably or further, in step D, described is every 1h at set intervals.
Embodiment 10
On the basis of embodiment 6：
Preferably, in step, the described aqueous solution is the aqueous solution of 12wt.%.
Preferably, in step C, the time of described immersion is 7.5h.
Preferably, in step D, the time of described circulation is 4.5h.
Preferably or further, in step D, described is every 1h at set intervals.
Embodiment 11
In actual cleaning, using the cleaning agent of embodiment 1-4, experimental performance is evaluated as follows：
Embodiment 12
In actual cleaning, using the cleaning agent of embodiment 1-4, effect of field application is as follows：
Yuan Ba gas field gas collection master station, YB29 gas gathering station sewage surge tank are used for multiple times this cleaning agent and are carried out, according to first dam
Gas field production operation situation is different, can ensure its normal operation 2-4 month after chemical cleaning project；Conventional dose only can maintain its 1
The normal operation of the moon, when producing peak, conventional cleaning agent even effectively cannot be dredged to incrustation in equipment；
Yuan Ba gas field YB103H gas gathering station multiphase flow metering separator, production separator, torch divide flow container to use in January, 2016
This cleaning agent has carried out chemical cleaning project, Severe blockage phenomenon in June, 2016, has effectively ensured YB103H gas collection
The long period stood normally is run.
Claims (8)
1. a kind of cleaning agent being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system it is characterised in that：Including with
Under raw material in parts by weight：
Liquid phase：
Nonionic surfactant 5-8 part
Accelerator 1-2 part
Dodecyl benzyl dimethyl ammonium chloride 4-8 part
Penetrating agent JFC 1.5-2.5 part；
Solid phase：
NaOH 5-10 part
Sodium carbonate 10-15 part
Vulcanized sodium 3-5 part
Metasilicate pentahydrate sodium 15-20 part.
2. a kind of cleaning medicine being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system according to claim 1
Agent it is characterised in that：Described nonionic surfactant is APES, polyoxyethylene carboxylate or fat
Sour FMEE.
3. a kind of cleaning medicine being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system according to claim 1
Agent it is characterised in that：Described accelerator is fatty amines accelerator.
4. a kind of cleaning medicine being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system according to claim 1
Agent it is characterised in that：The using method of described cleaning agent comprises the following steps：
A, cleaning agent is configured to the aqueous solution according to proportioning, obtains cleaning fluid stand-by；
B, object switching flow to be onstructed, isolation, purging, connect interim flow process；
C, the cleaning fluid in step A having configured is filled in equipment or the pipeline of construction, is soaked；
D, using pump, the cleaning fluid of filling is circulated, sample examination waste liquid judges washing and cleaning operation eventually at set intervals
Point；
E, discharge cleaning fluid, the cleaning fluid raffinate in a small amount of clear water replacement equipment of filling, pipeline；
F, the interim flow process of dismounting, restorer production procedure, cleaning completes.
5. a kind of cleaning medicine being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system according to claim 4
Agent it is characterised in that：In step, the described aqueous solution is the aqueous solution of 10-20wt.%.
6. a kind of cleaning medicine being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system according to claim 4
Agent it is characterised in that：In step C, the time of described immersion is 6-8h.
7. a kind of cleaning medicine being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system according to claim 4
Agent it is characterised in that：In step D, the time of described circulation is 4-6h.
8. a kind of cleaning being applied to sticky sulfur-bearing dirt matter in high sulfur Gas Fields gathering system according to claim 4 or 7
Medicament it is characterised in that：In step D, described is every 1h at set intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830605.2A CN106434030A (en) | 2016-09-19 | 2016-09-19 | Cleaning agent applicable to viscous sulfur-bearing scale in high sulfur gas field gathering and transportation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830605.2A CN106434030A (en) | 2016-09-19 | 2016-09-19 | Cleaning agent applicable to viscous sulfur-bearing scale in high sulfur gas field gathering and transportation system |
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| CN110513081A (en) * | 2019-09-16 | 2019-11-29 | 西安石油大学 | Compound molten dirt, antiscaling method under a kind of coal bed gas well |
| CN110885713A (en) * | 2018-09-07 | 2020-03-17 | 中国石油化工股份有限公司 | Cleaning agent for sulfur-containing scale in acid gas gathering and transportation pipeline of high-sulfur-containing gas field and use method |
| CN115197685A (en) * | 2022-08-17 | 2022-10-18 | 四川申陆达能源工程技术有限公司 | Novel amine sulfur dissolving agent for high-sulfur-content gas field and preparation method thereof |
| CN115505379A (en) * | 2021-06-23 | 2022-12-23 | 中国石油化工股份有限公司 | Low-viscosity composition with sulfur dissolving function and preparation method and application thereof |
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| CN109423361A (en) * | 2017-08-24 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of cleaning agent and its application method of high sulfur Gas Fields sewage collecting pipeline |
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| CN110885713A (en) * | 2018-09-07 | 2020-03-17 | 中国石油化工股份有限公司 | Cleaning agent for sulfur-containing scale in acid gas gathering and transportation pipeline of high-sulfur-containing gas field and use method |
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