CN106554804A - A kind of oil field antiscale desulfurizing agent and preparation method thereof - Google Patents

A kind of oil field antiscale desulfurizing agent and preparation method thereof Download PDF

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Publication number
CN106554804A
CN106554804A CN201611022739.8A CN201611022739A CN106554804A CN 106554804 A CN106554804 A CN 106554804A CN 201611022739 A CN201611022739 A CN 201611022739A CN 106554804 A CN106554804 A CN 106554804A
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oil field
desulfurizing agent
antiscale
host
deca
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CN106554804B (en
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胡廷
王永军
程艳
郭晓男
郭海军
王磊
逯学朝
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China National Offshore Oil Corp CNOOC
CNOOC Energy Technology and Services Ltd
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China National Offshore Oil Corp CNOOC
CNOOC Energy Technology and Services Ltd
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G29/00—Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals
    • C10G29/20—Organic compounds not containing metal atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G75/00—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general
    • C10G75/04—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general by addition of antifouling agents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1033—Oil well production fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/201—Impurities
    • C10G2300/202—Heteroatoms content, i.e. S, N, O, P

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

The present invention relates to chemical sulphur removal field, disclose a kind of oil field antiscale desulfurizing agent and preparation method thereof, the oil field antiscale desulfurizing agent adds modifying agent, synergist, dispersant by host and is prepared from, and host is refining to obtain with organic amine and formalin as polymerizable raw material dehydration；Preparation method completes temperature control reaction after Deca, and host is obtained after decompression dehydration under certain vacuum degree and temperature conditionss first to stir organic amine and Deca formalin under the conditions of uniform temperature；Then controlling reaction temperature, in host, Deca modifying agent is reacted；It is last to add synergist and dispersant in the reaction product successively, and stir to mix homogeneously.The oil field antiscale desulfurizing agent of the present invention has nitrogenous triazine structure, it is ensured that efficient desulfurized effect, and phosphate functional group is introduced in molecule, while with excellent scale-inhibiting properties.Therefore, antiscale desulfurizing agent in oil field of the invention possesses preferable desulfurization and anti-scaling property simultaneously, it is adaptable to produce the sweetening process of liquid in oil field.

Description

A kind of oil field antiscale desulfurizing agent and preparation method thereof
Technical field
The present invention relates to the liquid desulfurizing agent in chemical sulphur removal field, and in particular to a kind of oil field antiscale desulfurizing agent and its system Preparation Method.
Background technology
In oilfield exploitation procedure, crude oil can produce hydrogen sulfide in underground Jing microorganism decomposition, and in crude oil, organic sulfur exists Hydrogen sulfide can be also produced after high temperature or hydrothermal cracking.When crude oil vapor is separated, substantial amounts of hydrogen sulfide can be with natural gas one Rise and enter vapor phase treatment system.Hydrogen sulfide is that have very strong toxicity and irritating gas, not only harmful to human, pollution environment, And heavy corrosion can be produced to pipeline and relevant device.
Filling liquid desulfurizing agent is the effective means for removing hydrogen sulfide, triazines desulfurizing agent and other liquid desulfurizing agent phases Than itself and H2There is in terms of S response speeds and selectivity significant advantage, be the most frequently used desulfurizing agent product of offshore oilfield.
But, triazines desulfurizing agent is alkaline desulfurizing agent, easily lead to after filling process oil field produce in liquid calcium and magnesium from Son deposition, blocking sea pipe, affects the normal exploitation in oil field.
The content of the invention
To be solved by this invention is that triazines desulfurizing agent is easily caused calcium ions and magnesium ions in the product liquid of oil field in use A kind of technical problem of deposition, there is provided oil field antiscale desulfurizing agent and preparation method thereof, while synthesis of triazine compound Phosphate functional group is introduced in its molecule so that target product not only has efficient desulfurization performance, while preventing with good Dirty ability；Its preparation method is simply controllable, is suitable for industrialized production.
In order to solve above-mentioned technical problem, the present invention is achieved by following technical scheme：
A kind of oil field antiscale desulfurizing agent, the oil field antiscale desulfurizing agent add modifying agent, synergist, dispersant by host and prepare Form；Wherein, the mass fraction of the host is 60-80%, and the mass fraction of the modifying agent is 5-10%, the synergist Mass fraction be 5-10%, remaining be the dispersant；The host is de- as polymerizable raw material with organic amine and formalin Crystal's system is formed, and wherein organic amine and the mol ratio of formaldehyde are (1～2)：1；
And the oil field antiscale desulfurizing agent is obtained by following preparation method：
(1) first organic amine is added in reactor, stirring is warming up to 65 DEG C, then the Deca under 65-75 DEG C of temperature conditionss Formalin 1-2h, completes 65-75 DEG C of reaction 1-3 hour of temperature control after Deca, is finally -0.09～-0.1MPa, temperature in vacuum Spend for decompression dehydration 5h under the conditions of 70-80 DEG C, you can obtain the host；
(2) host obtained by step (1) is taken, controlling reaction temperature 70-80 DEG C, modifying agent described in Deca react 2-3 little When；
(3) add the synergist and the dispersant in step (2) products therefrom successively, and stir equal to mixing It is even, that is, oil field antiscale desulfurizing agent is obtained.
A kind of preparation method of oil field antiscale desulfurizing agent, the method are followed the steps below：
(1) first organic amine is added in reactor, stirring is warming up to 65 DEG C, then the Deca under 65-75 DEG C of temperature conditionss Formalin 1-2h, wherein organic amine are (1～2) with the mol ratio of formaldehyde：1；Complete 65-75 DEG C of reaction 1-3 of temperature control after Deca Hour, finally vacuum be -0.09～-0.1MPa, temperature be 70-80 DEG C under the conditions of decompression dehydration 5h, you can obtain host；
(2) host obtained by step (1) is taken, controlling reaction temperature 70-80 DEG C, Deca modifying agent react 2-3 hours；
(3) add synergist and dispersant in step (2) products therefrom successively, and stir to mix homogeneously, that is, be obtained Oil field antiscale desulfurizing agent；
Wherein, the mass fraction of the host is 60-80%, and the mass fraction of the modifying agent is 5-10%, the increasing The mass fraction of effect agent is 5-10%, and remaining is the dispersant.
In above-mentioned oil field antiscale desulfurizing agent and preparation method thereof：
The organic amine is methylamine solution, ethanolamine, ethylenediamine, 3 methoxypropyl amine, diethylenetriamine, polyethylene polyamine In at least one.
The modifying agent is phosphoric acid solution.
The synergist is piperazine, N methyldiethanol amine, at least one in sulfolane.
The dispersant is methanol, ethanol, at least one in ethylene glycol.
The invention has the beneficial effects as follows：
The oil field antiscale desulfurizing agent of the present invention has nitrogenous triazine structure, it is ensured that efficient desulfurized effect, and point Contain multiple organic phospho acid ester structure-C-O-PO in son3H2, can be with Ca2+、Mg2+Plasma forms the cyclic chelate of macromole Thing so as to while with excellent scale-inhibiting properties.Therefore, oil field antiscale desulfurizing agent of the invention have simultaneously preferable desulfurization and Anti-scaling property, it is adaptable to produce the sweetening process of liquid in oil field.Meanwhile, the preparation method of the oil field antiscale desulfurizing agent of the present invention simply may be used Control, is suitable for industrialized production.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail：
Following examples can make those skilled in the art that the present invention is more completely understood, but limit this never in any form Invention.
Embodiment 1：
A kind of synthesis of oil field antiscale desulfurizing agent, by the host, mass fraction that mass fraction is 70% be 5% it is modified Agent, mass fraction be 5% synergist, the dispersant that mass fraction is 20% be prepared from, synthesis step is as follows：
(1) first 305.4g ethanolamine is added in reactor, stirring is warming up to 65 DEG C, (chemistry is pure, has for Deca formalin Effect mass percent is 37%) 405.8g, time for adding 1h, and temperature control is 65-75 DEG C；After completing Deca, 65-75 DEG C of temperature control Reaction 3 hours, then the decompression dehydration 5h at -0.09～-0.1MPa, temperature 70-80 DEG C, obtains host；
Wherein organic amine and the mol ratio of formaldehyde are 1：1, calculate by the effective mass percent of formaldehyde in formalin and rub You compare.
(2) take host 140g obtained by step (1), controlling reaction temperature 70-80 DEG C, (chemistry is pure, has for Deca phosphoric acid solution Effect mass percent is 85%) 10g, reacts 3 hours.
(3) N methyldiethanol amine 5g, sulfolane 5g, methanol 20g, ethylene glycol are sequentially added in the product of step (2) 20g, is uniformly mixed, that is, the oil field antiscale desulfurizing agent of the present embodiment is obtained.
Embodiment 2：
A kind of synthesis of oil field antiscale desulfurizing agent, by the host, mass fraction that mass fraction is 80% be 10% it is modified Agent, mass fraction by 8% synergist, mass fraction be made up of 2% dispersant, synthesis step is as follows：
(1) first 610.8g ethanolamine is added in reactor, stirring is warming up to 65 DEG C, (chemistry is pure, has for Deca formalin Effect mass percent is 37%) 405.8g, time for adding 2h, and temperature control is 65-75 DEG C；After completing Deca, 65-75 DEG C of temperature control Reaction 2 hours, then the decompression dehydration 5h at -0.09～-0.1MPa, temperature 70-80 DEG C, obtains product host；
Wherein organic amine and the mol ratio of formaldehyde are 2：1, calculate by the effective mass percent of formaldehyde in formalin and rub You compare.
(2) take host 160g obtained by step (1), controlling reaction temperature 70-80 DEG C, (chemistry is pure, has for Deca phosphoric acid solution Effect mass percent is 85%) 20g, reacts 2 hours；
(3) N methyldiethanol amine 12g, piperazine 4g, methanol 4g are sequentially added in the product of step (2), stirs mixing Uniformly, that is, the oil field antiscale desulfurizing agent of the present embodiment is obtained.
Embodiment 3：
A kind of synthesis of oil field antiscale desulfurizing agent, by the host, mass fraction that mass fraction is 60% be 10% it is modified Agent, mass fraction by 10% synergist, mass fraction be made up of 20% dispersant, synthesis step is as follows：
(1) first by 305.4g ethanolamine, 50.08 methylamine solutions (chemistry it is pure, effective mass percent for 40%), 20.05g During ethylenediamine adds reactor, stirring is warming up to 65 DEG C, and (chemistry is pure, and effective mass percent is for 37%) for Deca formalin 405.8g；Time for adding 1.5h, temperature control are 65-75 DEG C.After completing Deca, 65-75 DEG C of temperature control reacts 1 hour, then- Decompression dehydration 5h at 0.09～-0.1MPa, temperature 70-80 DEG C, obtains product host；
Wherein organic amine and the mol ratio of formaldehyde are 1.2：1, calculate by the effective mass percent of formaldehyde in formalin Mol ratio.
(2) take host 120g obtained by step (1), controlling reaction temperature 70-80 DEG C, (chemistry is pure, has for Deca phosphoric acid solution Effect mass percent is 85%) 20g, reacts 2.5 hours.
(3) N methyldiethanol amine 20g, ethanol 40g are sequentially added in the product of step (2), is uniformly mixed, i.e., The oil field antiscale desulfurizing agent of prepared the present embodiment.
Embodiment 4：
A kind of synthesis of oil field antiscale desulfurizing agent, by the host, mass fraction that mass fraction is 80% be 8% it is modified Agent, mass fraction by 10% synergist, mass fraction be made up of 2% dispersant, synthesis step is as follows：
(1) first 305.4g ethanolamine, 32.18g3- methoxy propanamines, 56.18g diethylenetriamines are added in reactor, Stirring is warming up to 65 DEG C, and (chemistry is pure, and effective mass percent is 37%) 405.8g, time for adding 1h, temperature for Deca formalin Degree is controlled to 65-75 DEG C；After completing Deca, 65-75 DEG C of temperature control reacts 3 hours, then in -0.09～-0.1MPa, temperature 70- Decompression dehydration 5h at 80 DEG C, obtains product host；
Wherein organic amine and the mol ratio of formaldehyde are 1.18：1, calculate by the effective mass percent of formaldehyde in formalin Mol ratio.
(2) take host 160g obtained by step (1), controlling reaction temperature 70-80 DEG C, (chemistry is pure, has for Deca phosphoric acid solution Effect mass percent is 85%) 16g, reacts 2 hours；
(3) N methyldiethanol amine 10g, piperazine 10g, ethanol 4g are sequentially added in the product of step (2), stirs mixing Uniformly, that is, the oil field antiscale desulfurizing agent of the present embodiment is obtained.
Embodiment 5：
A kind of synthesis of oil field antiscale desulfurizing agent, by the host, mass fraction that mass fraction is 75% be 10% it is modified Agent, mass fraction by 6% synergist, mass fraction be made up of 9% dispersant, synthesis step is as follows：
(1) first 305.4g ethanolamine, 38.78g3- methoxy propanamines, 80.97g polyethylene polyamines are added in reactor, Stirring is warming up to 65 DEG C, and (chemistry is pure, and effective mass percent is 37%) 405.8g, time for adding 2h, temperature for Deca formalin Degree is controlled to 65-75 DEG C；After completing Deca, 65-75 DEG C of temperature control reacts 2 hours, then in -0.09～-0.1MPa, temperature 70- Decompression dehydration 5h at 80 DEG C, obtains product host；
Wherein organic amine and the mol ratio of formaldehyde are 1.25：1, calculate by the effective mass percent of formaldehyde in formalin Mol ratio.
(2) take host 150g obtained by step (1), controlling reaction temperature 70-80 DEG C, (chemistry is pure, has for Deca phosphoric acid solution Effect mass percent is 85%) 20g, reacts 3 hours；
(3) N methyldiethanol amine 12g, ethanol 8g, ethylene glycol 10g are sequentially added in the product of step (2), stirs mixed Close uniform, that is, the oil field antiscale desulfurizing agent of the present embodiment is obtained.
Embodiment 6：
A kind of synthesis of oil field antiscale desulfurizing agent, by the host, mass fraction that mass fraction is 75% be 10% it is modified Agent, mass fraction by 6% synergist, mass fraction be made up of 9% dispersant, synthesis step is as follows：
(1) first by methylamine solution, (chemistry is pure, and effective mass percent is added in reactor for 40%) 621g, and stirring heats up To 65 DEG C, (chemistry is pure, and effective mass percent is 37%) 405.8g, time for adding 2h, and temperature control is for Deca formalin 65-75℃.After completing Deca, 65-75 DEG C of temperature control reacts 2 hours, then subtracts at -0.09～-0.1MPa, temperature 70-80 DEG C Press-dehydrating 5h, obtains product host；
Wherein organic amine and the mol ratio of formaldehyde are 1.6：1, calculate by the effective mass percent of formaldehyde in formalin Mol ratio.
(2) take host 150g obtained by step (1), controlling reaction temperature 70-80 DEG C, (chemistry is pure, has for Deca phosphoric acid solution Effect mass percent is 85%) 20g, reacts 3 hours；
(3) piperazine 12g, ethanol 18g are sequentially added in the product of step (2), is uniformly mixed, that is, antiscale is obtained and takes off Sulfur agent.
Experimental example 1：
Oilfield produced fluid desulfurization performance contrast test：The oil field antiscale desulfurizing agent obtained using above example and current oil The wide variety of triazines desulfurizing agent in field and organic amine desulfurizer carry out performance comparison.The liquid for being used for contrast in this experiment takes off Sulfur agent sample, is the product in platform successful Application after extensively optimization and screening, with certain representativeness.Selected mesh Mark oil field is Bohai Sea Luda 27-2 oil fields and NB 35-2 oilfield.
Desulphurizing ability detection method refers to ASTM D4810-88 (1999)《Determined in natural gas using colorimetric detection tube method Hydrogen sulfide content method standard》.Liquid is produced in 1L oil fields first and imports hermetic container, immediately sealing container, in being put into concussion case, shake 5 Minute, gas sample detection concentration of hydrogen sulfide is taken from the top of hermetic container, blank concentration of hydrogen sulfide C is denoted as0.A certain amount of desulfurizing agent is added Note is in hermetic container, then imports 1L oil fields product liquid, and sealing container, shakes 5 minutes in being put into concussion case, from hermetic container immediately Top takes gas sample detection concentration of hydrogen sulfide, is denoted as concentration of hydrogen sulfide C.
The desulfurization performance quality of desulfurizing agent is assessed with desulfurization degree, desulfurization degree is higher, and desulfurization performance is better.Desulfurization degree refers to water sample Before and after adding desulfurizing agent, the percentage rate of hydrogen sulfide content reduction is measured.Desulfurization degree is calculated as follows：
In formula：
X --- desulfurization degree；
Co --- plus before desulfurizing agent do not measure hydrogen sulfide content, ppm；
C --- hydrogen sulfide content, ppm are measured after adding desulfurizing agent.
Test platform：Bohai Sea Luda 27-2 oil fields
Experimental raw：Produce liquid in oil field
Evaluation method：Live desulfurization test experience
Drug concentration：120mg/L
Test result is as shown in table 1 below：
1 live garbled data table of table
Medicament title Hydrogen sulfide content (ppm) Desulfurization degree (%)
It is blank 200 —
Using triazines desulfurizing agent 30 85
Conventional organic amine desulfurizer 45 77.5
Embodiment 1 20 90
Embodiment 2 15 92.5
Embodiment 3 25 87.5
Embodiment 4 18 91
Embodiment 5 10 95
Embodiment 6 20 90
Test platform：Bohai Sea NB 35-2 oilfield
Experimental raw：Produce liquid in oil field
Evaluation method：Live desulfurization test experience
Drug concentration：1000mg/L
Test result is as shown in table 2 below：
2 live garbled data table of table
Medicament title Hydrogen sulfide content (ppm) Desulfurization degree (%)
It is blank 1500 —
Using triazine desulfurizing agent 60 96
Conventional organic amine desulfurizer 90 94
Embodiment 1 40 97.3
Embodiment 2 32 97.9
Embodiment 3 45 97
Embodiment 4 35 97.7
Embodiment 5 30 98
Embodiment 6 40 97.3
Experimental example 2：
For Bohai Sea LD27-2 Oil Field water quality, the detection of medicament anti-scaling property is carried out.Detection method refers to SY/ T5673-1993 scale inhibitor for oilfield Reliable Evaluating Methods of Their Performance.According to experiment condition, take corresponding 100ml test(ing) mediums and add tool plug In color comparison tube, desulfurizing agent filling concentration is 200mg/L, is heated to 55 DEG C of test temperature, constant temperature 48 hours.Treat that temperature is cooled down, see Medium fouling condition in color comparison tube is examined, if there is fouling, is filtered after medium is shaken up, carry out titration experiments, titration experiments reference GB7476-87《The measure EDTA titrimetry of water quality calcium content》.
Scale preventative performance is characterized with antiscaling rate, and its percent value is bigger, and anti-scaling property is better.Antiscaling rate E is calculated as follows：
In formula：
M2--- calcium ion concentration in liquid is produced after adding medicine；
M1--- calcium ion concentration in liquid is produced after non-adding medicine；
M0--- produce initial calcium ion concentration in liquid.
Test result is as shown in table 3 below：
3 anti-scaling property evaluation experimental result of table
The present invention be can be seen that for hydrogen sulfide in oilfield produced fluid from above-mentioned detection data, current oil field is compared extensive Using triazines desulfurizing agent and organic amine desulfurizer, with more efficient desulfurized effect.There is good antiscale energy simultaneously Power.With certain application value.

Claims (10)

1. a kind of oil field antiscale desulfurizing agent, it is characterised in that the oil field antiscale desulfurizing agent by host add modifying agent, synergist, Dispersant is prepared from；Wherein, the mass fraction of the host is 60-80%, and the mass fraction of the modifying agent is 5-10%, The mass fraction of the synergist is 5-10%, and remaining is the dispersant；The host is to be with organic amine and formalin Polymerizable raw material dehydration is refined to be formed, and wherein organic amine and the mol ratio of formaldehyde are (1～2)：1；
And the oil field antiscale desulfurizing agent is obtained by following preparation method：
(1) first organic amine is added in reactor, stirring is warming up to 65 DEG C, then the Deca formaldehyde under 65-75 DEG C of temperature conditionss Solution 1-2h, completes 65-75 DEG C of reaction 1-3 hour of temperature control after Deca, is finally that -0.09～-0.1MPa, temperature are in vacuum Decompression dehydration 5h under the conditions of 70-80 DEG C, you can obtain the host；
(2) host obtained by step (1) is taken, controlling reaction temperature 70-80 DEG C, modifying agent described in Deca react 2-3 hours；
(3) add the synergist and the dispersant in step (2) products therefrom successively, and stir to mix homogeneously, i.e., Prepared oil field antiscale desulfurizing agent.
2. a kind of oil field antiscale desulfurizing agent according to claim 1, it is characterised in that the organic amine be methylamine solution, At least one in ethanolamine, ethylenediamine, 3 methoxypropyl amine, diethylenetriamine, polyethylene polyamine.
3. a kind of oil field antiscale desulfurizing agent according to claim 1, it is characterised in that the modifying agent is phosphoric acid solution.
4. a kind of oil field antiscale desulfurizing agent according to claim 1, it is characterised in that the synergist is piperazine, N- first At least one in base diethanolamine, sulfolane.
5. a kind of oil field antiscale desulfurizing agent according to claim 1, it is characterised in that the dispersant be methanol, ethanol, At least one in ethylene glycol.
6. a kind of preparation method of oil field antiscale desulfurizing agent, it is characterised in that the method is followed the steps below：
(1) first organic amine is added in reactor, stirring is warming up to 65 DEG C, then the Deca formaldehyde under 65-75 DEG C of temperature conditionss Solution 1-2h, wherein organic amine are (1～2) with the mol ratio of formaldehyde：1；65-75 DEG C of reaction 1-3 hour of temperature control after Deca is completed, It is last vacuum be -0.09～-0.1MPa, temperature be decompression dehydration 5h under the conditions of 70-80 DEG C, you can obtain host；
(2) host obtained by step (1) is taken, controlling reaction temperature 70-80 DEG C, Deca modifying agent react 2-3 hours；
(3) add synergist and dispersant in step (2) products therefrom successively, and stir to mix homogeneously, that is, oil field is obtained Antiscale desulfurizing agent；
Wherein, the mass fraction of the host is 60-80%, and the mass fraction of the modifying agent is 5-10%, the synergist Mass fraction be 5-10%, remaining be the dispersant.
7. the preparation method of a kind of oil field antiscale desulfurizing agent according to claim 6, it is characterised in that the organic amine is At least one in methylamine solution, ethanolamine, ethylenediamine, 3 methoxypropyl amine, diethylenetriamine, polyethylene polyamine.
8. the preparation method of a kind of oil field antiscale desulfurizing agent according to claim 6, it is characterised in that the modifying agent is Phosphoric acid solution.
9. the preparation method of a kind of oil field antiscale desulfurizing agent according to claim 6, it is characterised in that the synergist is At least one in piperazine, N methyldiethanol amine, sulfolane.
10. a kind of preparation method of oil field antiscale desulfurizing agent according to claim 6, it is characterised in that the dispersant For at least one in methanol, ethanol, ethylene glycol.
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107418641A (en) * 2017-07-28 2017-12-01 陕西日新石油化工有限公司 A kind of oil resistant gas field desulfurizing agent and preparation method thereof
CN107555620A (en) * 2017-08-16 2018-01-09 鞍钢贝克吉利尼水处理有限公司 It is a kind of applied to the low-phosphorous environment-friendly corrosion-mitigation scale-inhibition medicament of boiler and preparation, application method
CN107866147A (en) * 2017-11-09 2018-04-03 中海油天津化工研究设计院有限公司 A kind of preparation method of offshore oilfield liquid composite desulfurizing agent
CN108676577A (en) * 2018-03-26 2018-10-19 中国海洋石油集团有限公司 A kind of oil field mining liquid liquid desulfurizing agent and preparation method thereof
CN109593545A (en) * 2018-12-28 2019-04-09 中国石油天然气股份有限公司 Compound desulfurizer suitable for oil wells with high oil content and preparation method thereof
CN109650509A (en) * 2019-02-18 2019-04-19 盘锦辽河油田科技实业有限公司 A kind of oil desulfurization agent
CN111944560A (en) * 2020-08-27 2020-11-17 西安奥德石油工程技术有限责任公司 Desulfurizing agent for oil and gas fields and preparation method thereof
CN112480893A (en) * 2020-10-30 2021-03-12 中海油(天津)油田化工有限公司 Desulfurization corrosion inhibitor for oil field and preparation method thereof
CN114106871A (en) * 2021-11-19 2022-03-01 中海油(天津)油田化工有限公司 Sterilization and desulfurization agent for offshore oil field and preparation method thereof
CN114874807A (en) * 2022-06-07 2022-08-09 西安交通大学 Preparation method and application of efficient hydrophilic-lipophilic desulfurizer
CN115193239A (en) * 2022-07-04 2022-10-18 江西雄瓷科技有限公司 Preparation method of composite liquid desulfurizer
CN115569624A (en) * 2022-10-21 2023-01-06 广汉市福客科技有限公司 Continuous production equipment and production method of nitrogen-containing organic desulfurizing agent

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Publication number Priority date Publication date Assignee Title
CN107418641A (en) * 2017-07-28 2017-12-01 陕西日新石油化工有限公司 A kind of oil resistant gas field desulfurizing agent and preparation method thereof
CN107418641B (en) * 2017-07-28 2020-04-03 陕西日新石油化工有限公司 High-temperature-resistant desulfurizer for oil and gas fields and preparation method thereof
CN107555620A (en) * 2017-08-16 2018-01-09 鞍钢贝克吉利尼水处理有限公司 It is a kind of applied to the low-phosphorous environment-friendly corrosion-mitigation scale-inhibition medicament of boiler and preparation, application method
CN107555620B (en) * 2017-08-16 2020-10-16 鞍钢贝克吉利尼水处理有限公司 Low-phosphorus environment-friendly corrosion and scale inhibitor applied to boiler and preparation and use methods thereof
CN107866147A (en) * 2017-11-09 2018-04-03 中海油天津化工研究设计院有限公司 A kind of preparation method of offshore oilfield liquid composite desulfurizing agent
CN108676577B (en) * 2018-03-26 2020-09-01 中国海洋石油集团有限公司 Liquid desulfurizing agent for oilfield produced liquid and preparation method thereof
CN108676577A (en) * 2018-03-26 2018-10-19 中国海洋石油集团有限公司 A kind of oil field mining liquid liquid desulfurizing agent and preparation method thereof
CN109593545A (en) * 2018-12-28 2019-04-09 中国石油天然气股份有限公司 Compound desulfurizer suitable for oil wells with high oil content and preparation method thereof
CN109650509A (en) * 2019-02-18 2019-04-19 盘锦辽河油田科技实业有限公司 A kind of oil desulfurization agent
CN111944560A (en) * 2020-08-27 2020-11-17 西安奥德石油工程技术有限责任公司 Desulfurizing agent for oil and gas fields and preparation method thereof
CN112480893A (en) * 2020-10-30 2021-03-12 中海油(天津)油田化工有限公司 Desulfurization corrosion inhibitor for oil field and preparation method thereof
CN114106871A (en) * 2021-11-19 2022-03-01 中海油(天津)油田化工有限公司 Sterilization and desulfurization agent for offshore oil field and preparation method thereof
CN114874807A (en) * 2022-06-07 2022-08-09 西安交通大学 Preparation method and application of efficient hydrophilic-lipophilic desulfurizer
CN115193239A (en) * 2022-07-04 2022-10-18 江西雄瓷科技有限公司 Preparation method of composite liquid desulfurizer
CN115569624A (en) * 2022-10-21 2023-01-06 广汉市福客科技有限公司 Continuous production equipment and production method of nitrogen-containing organic desulfurizing agent
CN115569624B (en) * 2022-10-21 2023-12-19 广汉市福客科技有限公司 Continuous production equipment and production method of nitrogen-doped organic sulfur removal agent

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