CN107815300A - A kind of oily sludge profile control blocking agent and preparation method thereof - Google Patents
A kind of oily sludge profile control blocking agent and preparation method thereof Download PDFInfo
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- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
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- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
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- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
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- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
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Abstract
The invention provides a kind of oily sludge profile control blocking agent and preparation method thereof, oily sludge profile control blocking agent including following raw material by being made：The parts by weight of oily sludge 3 20, the parts by weight of dispersant 0.2 1.0, the parts by weight of suspension stabilizer 0.2 0.5 and the parts by weight of water 79.6 95.5.The present invention can effectively prevent oily sludge profile control blocking agent agglomerate, be difficult to the scattered phenomenon of stable suspersion, and more preferable profile control effect can be played to oil reservoir, improves injection efficiency, and simple to operate, and easy to use, cost is low.
Description
Technical field
The invention belongs to Oil-Gas Field Development Engineering technical field, and in particular to a kind of oily sludge profile control blocking agent and its preparation
Method.
Background technology
The processing of caused discarded object-oily sludge and utilization always oil field at home are badly in need of solution in oilfield development process
Technical barrier certainly.According to the preliminary statistics, Shengli Oil Field produces 14.65 ten thousand tons of oily sludges in oil water separation process per annual meeting,
Year, harmless treatment was costly reaches tens million of members.With the continuous rise of oilfield produced fluid moisture content, oily sludge discharge capacity
It will be continuously increased.Because oily sludge is not only containing a certain amount of oil and clay, but also contain a variety of harmful chemicals, if
If mishandling can cause seriously to pollute to surrounding environment especially earth surface water source.Reinforcement and country with people's environmental consciousness
Environmental protection act regulation constantly perfects, and the harmless treatment of oily sludge is also increasingly taken seriously.
Harmless treatment and application for oily sludge, early in the nineties in last century the country had and used oily sludge
In the research of profile control agent.But the oily sludge base profile modificator of early stage uses traditional water injectivity profile modification technique mostly, not for containing
The characteristic of greasy dirt carries out specific aim transformation to oily sludge base profile modificator so that oily sludge base profile modificator application effect is poor.In order to
The application effect of oily sludge base profile modificator is improved, increasing people is participated in the research of transformation oily sludge base profile modificator.Such as
The preparation method of a kind of gel-type oily sludge base profile modificator disclosed in Chinese patent literature CN105038746A, by oily sludge
With water add mixer be stirred pretreatment, be it is pretreated containing sewage sludge viscosity between 0.3Pas-0.5Pas it
Between, into pretreated oily sludge, addition emulsifying agent makes oily sludge fully dispersed, sequentially adds zwitterion polymerization
Thing, crosslinking agent and rush jelly, stir, obtain gel-type oily sludge base profile modificator, solve dirt of the oily sludge to environment
Dye, plugging strength is high, and flushing resistance is good.Although but added in above-mentioned document during oily sludge base profile modificator is prepared
Dispersant, amphoteric ion polymer, crosslinking agent etc., but clustering phenomena still occurs in oily sludge, it is difficult to stable suspension
It is scattered so that the oily sludge base profile modificator stability of preparation is poor, and profile control plugging effect is poor.
The content of the invention
Therefore, the technical problem to be solved in the present invention be to overcome in the prior art oily sludge base profile modificator it is unstable, adjust
The defects of cuing open plugging effect difference, so as to provide a kind of stability is high, profile control plugging effect is strong oily sludge profile control blocking agent and its
Preparation method.
Therefore, the invention provides a kind of oily sludge profile control blocking agent, the profile control blocking agent includes the following raw material：Containing greasy dirt
Mud 3-20 parts by weight, dispersant 0.2-1.0 parts by weight, suspension stabilizer 0.2-0.5 parts by weight and water 79.6-95.5 parts by weight.
Preferably, the profile control blocking agent includes the following raw material：The parts by weight of oily sludge 12, the parts by weight of dispersant 0.6, suspend
The parts by weight of stabilizer 0.4 and the parts by weight of water 83.2.
The suspension stabilizer is at least one of the T-shaped polymer of amphiphilic block and polyacrylamide.
Preferably, moisture content is 50wt%-70wt% in the oily sludge, oil content 10wt%-30wt%, mud containing rate
15wt%-25wt%.
Described oily sludge profile control blocking agent, the T-shaped polymer of amphiphilic block are including at least one structural formula
Block A, at least one structural formula isB block, and at least one
Individual structural formula isBlock C；
Wherein, the m1For 35000~110000, the n1For 5000~15000, the q1For 50~2000, the m2
For 6~14, the n2For 8~14.
Described oily sludge profile control blocking agent, the structural formula of the T-shaped polymer of amphiphilic block is-A-B-C- or-A-C-
B-。
Described oily sludge profile control blocking agent, the T-shaped polymer viscosity average molecular weigh of amphiphilic block are 4,000,000-960 ten thousand.
Described oily sludge profile control blocking agent, the grain diameter in described oily sludge profile control blocking agent are the 1/9- of pore throat
1/12。
Described oily sludge profile control blocking agent, the dispersant are dodecyl sodium sulfate, C5-C10 perfluoroalkyl sulphur
At least one of sour sodium and sodium alkyl sulfonate.
The present invention provides a kind of preparation method of above-mentioned oily sludge profile control blocking agent, and this method comprises the following steps：
The dispersant is added into the mixture of oily sludge and water, is stirred, disperses the oily sludge, so
After add the suspension stabilizer, stir, produce described oily sludge profile control blocking agent.
The preparation method of described oily sludge profile control blocking agent, before the suspension stabilizer is added, in addition to dividing
The step of oily sludge after dissipating carries out grain sorting.
Technical solution of the present invention, have the following advantages that：
1st, oily sludge profile control blocking agent of the present invention, the profile control blocking agent include the following raw material：Oily sludge 3-20
Parts by weight, dispersant 0.2-1.0 parts by weight, suspension stabilizer 0.2-0.5 parts by weight and water 79.6-95.5 parts by weight；It is described outstanding
Floating stabilizer is the T-shaped polymer of amphiphilic block；Using the T-shaped polymer of amphiphilic block as suspension stabilizer, with dispersant coordinated
Suspended dispersed oily sludge, avoids the occurrence of clustering phenomena, significantly improves the stability of described oily sludge profile control blocking agent, enters
And improve its profile control effect.
2nd, oily sludge profile control blocking agent of the present invention, the T-shaped polymer of amphiphilic block include at least one with third
Acrylamide for monomeric unit block A, it is at least one using Alkenyl alkyl phenol polyoxyethylene ether as the B block of monomeric unit and at least one
The individual block C using 2- acrylamide-2-methylpro panesulfonic acids as monomeric unit, above-mentioned polymer is selected as suspension stabilizer,
By selecting the T-shaped polymer of amphiphilic block containing varying number active block and dispersant coordinated, difference can be contained
The oily sludge suspended dispersed of oil mass is opened, and improves the profile control effect of described oily sludge profile control blocking agent.
3rd, oily sludge profile control blocking agent of the present invention, the grain diameter in described oily sludge profile control blocking agent is hole
The 1/9-1/12 of larynx, by carrying out grain sorting to the oily sludge profile control blocking agent after disperseing, remove the oil-containing of wherein bulky grain
Sludge, only retain the oily sludge for the 1/9-1/12 for meeting that grain diameter is pore throat, remove from and prepared oily sludge profile control in the past and block up
Demulsification, oil removing and the pretreatment link such as levigate are needed during agent, injection depth is effectively increased, suitable for depth profile control, improves injection
Performance, and more preferable profile control effect can be reached.
4th, oily sludge profile control blocking agent of the present invention, oily sludge wide material sources used, cost is cheap, existing skill
Heavy dose of profile control agent cost is typically in 100-150 members/m in art3, the present invention can make at present per square profile control agent cost decline 70-80
Member/m3, save ten thousand yuan of individual well profile control cost 8-20.
5th, the preparation method of oily sludge profile control blocking agent of the present invention, into the mixture of the oily sludge and water
The dispersant is added, is stirred, disperses the oily sludge, the suspension stabilizer is then added, stirs, i.e.,
Described oily sludge profile control blocking agent is obtained, above-mentioned method is simple, easy to operate, the oily sludge profile control blocking agent profile control being prepared
Performance is good.
6th, the preparation method of oily sludge profile control blocking agent of the present invention, by add the suspension stabilizer it
Before, grain sorting is carried out to the oily sludge after scattered, and then control in the described oily sludge profile control blocking agent prepared
Grain diameter be pore throat 1/9-1/12, avoid wherein containing the big solid particle of particle diameter so that the oily sludge of preparation is adjusted
Cuing open blocking agent, not only stability is high, but also is readily injected into, and carries out the profile control of deeper, injection efficiency significantly improves.
Embodiment
The T-shaped polymer of amphiphilic block being related in following embodiments, can be according to Chinese patent literature
Prepared by the method disclosed in CN103570887A, specific as follows：
(1) it is acrylamide, 2- acrylamide-2-methylpro panesulfonic acids is soluble in water, it is well mixed, obtains mixing molten
Liquid；
(2) pH value of the mixed solution in the step (1) is adjusted to 4~10, and inert gas is passed through into mixed solution
Protection；
(3) surfactant, Alkenyl alkyl phenol polyoxyethylene ether are well mixed, obtain mixture solution；
(4) it is initiator is soluble in water, obtain initiator solution；
(5) at 30~50 DEG C, by the initiator water in the mixture solution in the step (3) and the step (4)
Solution is added dropwise in the mixed solution after the step (2) processing, is stirred, is continued to be passed through inert gas to mixed solution
In it is not oxygenous；
(6) mixed solution after the step (5) processing is reacted at 30~50 DEG C, and is incubated 6~10h, reaction
After end, product is scrubbed, dry, granulation, and the T-shaped polymer of amphiphilic block is prepared.
The T-shaped polymer A preparation methods of amphiphilic block prepared according to the method described above, it is specific as follows：
(1) 110.0g acrylamide, 9.8g 2- acrylamide-2-methylpro panesulfonic acids are dissolved in 1350.0g water,
It is well mixed, obtain mixed solution；
(2) pH value of the mixed solution in the step (1) is adjusted to 6, and nitrogen protection is passed through into mixed solution；
(3) 0.17g lauryl sodium sulfate, 0.9g Alkenyl alkyl phenol polyoxyethylene ether are well mixed, mixed
Thing solution, wherein m in the Alkenyl alkyl phenol polyoxyethylene ether2For 9, n2For 13；
(4) by 0.13g K2S2O8-NaHSO3Initiator is substantially soluble in water, obtains initiator solution, wherein described
K2S2O8With NaHSO3Mass ratio be 2:1；
(5) at 50 DEG C, by the initiator solution in the mixture solution in the step (3) and the step (4)
It is slowly added dropwise into the mixed solution after the step (2) processing, stirs, continue to be passed through nitrogen into mixed solution not
It is oxygenous；
(6) mixed solution after the step (5) processing is reacted at 45 DEG C, and is incubated 9h, after reaction terminates, production
Thing washs through ethanol, 4h is dried at 80 DEG C, is granulated, and the T-shaped polymer product A of amphiphilic block is prepared, through infrared spectrum, member
The block structure formula that the T-shaped polymer product A of amphiphilic block is understood after element analysis and carbon-13 nmr spectra test is-A-C-
B-, wherein block A areB block isBlock C isEnter
Power spectrum test is carried out to one step to gained polymerizate A, obtains the m in polymerizate A1For 83000-85000, m2For 9, n1For
7500-7700, n2For 13, q1For 50-80, the viscosity average molecular weigh of polymerizate is 7,620,000.
Understand that similarly the T-shaped polymer of amphiphilic block that can be prepared according to the method described above includes：
The T-shaped polymer B of amphiphilic block, block structure formula are-A-C-B-, its m1For 95000-96000, m2For 6, n1For
6000-7800, n2For 14, q1For 100-200, the viscosity average molecular weigh of polymerizate is 8,400,000；
The T-shaped polymer C of amphiphilic block, block structure are-A-C-B-, its m1For 90000-100000, m2For 8, n1For
11000-13000, n2For 14, q1For 100-200, the viscosity average molecular weigh of polymerizate is 9,600,000；
The T-shaped polymer D of amphiphilic block, block structure formula are-A-C-B-, its m1For 100000-110000, m2For 10, n1For
5000-5300, n2For 12, q1For 500-600, the viscosity average molecular weigh of polymerizate is 9,200,000；
The T-shaped polymer E of amphiphilic block, block structure formula are-A-B-C-, m1For 35000-42000, m2For 14, n1For
5700-6000, n2For 14, q1For 1000-1200, the viscosity average molecular weigh of polymerizate is 4,000,000；
The T-shaped polymer F of amphiphilic block, block structure formula are-A-B-C-, its m1For 40000-43000, m2For 13, n1For
6800-7200, n2For 8, q1For 1300-1600, the viscosity average molecular weigh of polymerizate is 5,500,000；
The T-shaped polymer G of amphiphilic block, block structure formula are-A-C-B-, its m1For 60000-62000, m2For 11, n1For
6700-6800, n2For 11, q1For 1500-1600, the viscosity average molecular weigh of polymerizate is 7,100,000；
The T-shaped polymer H of amphiphilic block, block structure formula are-A-C-B-, its m1For 54000-55000, m2For 11, n1For
7300-7400, n2For 10, q1For 1400-1500, the viscosity average molecular weigh of polymerizate is 6,800,000；
The T-shaped polymer I of amphiphilic block, block structure formula are-A-B-C-, its m1For 48000-50000, m2For 12, n1For
7400-7500, n2For 9, q1For 1500-2000, the viscosity average molecular weigh of polymerizate is 6,200,000；
The T-shaped polymer J of amphiphilic block, block structure formula are-A-C-B-, its m1For 72000-73000, m2For 7, n1For
14500-15000, n2For 12, q1For 1000-1100, the viscosity average molecular weigh of polymerizate is 9,000,000.
Embodiment 1
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 3kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
70wt%, oil content 10wt%, mud containing rate 20wt%；
Dispersant 1.0kg, the dispersant are dodecyl sodium sulfate；
Suspension stabilizer 0.2kg, the suspension stabilizer are the T-shaped polymer A of amphiphilic block；
Water 95.5kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/9 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 2
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 5kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
61.99wt%, oil content 13.01wt%, mud containing rate 25wt%；
Dispersant 0.6kg, the dispersant are C5-C10 perfluoro alkyl sulfonic acid sodium；
Suspension stabilizer 0.2kg, the suspension stabilizer are the T-shaped polymer B of amphiphilic block；
Water 94.5kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/9 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 3
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 7kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
69.54wt%, oil content 15.46wt%, mud containing rate 15wt%；
Dispersant 0.5kg, the dispersant are sodium alkyl sulfonate；
Suspension stabilizer 0.2kg, the suspension stabilizer are the T-shaped polymer C of amphiphilic block；
Water 92.3kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(oily sludge mixed system fully dispersed in step (1) is carried out grain sorting by (2), is filtered out oily sludge and is mixed
Bulky grain in zoarium system, the 1/9 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 4
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 9kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
56.77wt%, oil content 17.39wt%, mud containing rate 20.84wt%；
Dispersant 0.7kg, the dispersant are dodecyl sodium sulfate；
Suspension stabilizer 0.3kg, the suspension stabilizer are the T-shaped polymer D of amphiphilic block；
Water 91kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(oily sludge mixed system fully dispersed in step (1) is carried out grain sorting by (2), is filtered out oily sludge and is mixed
Bulky grain in zoarium system, the 1/10 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 5
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 11kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
62.02wt%, oil content 19.53wt%, mud containing rate 18.45wt%；
Dispersant 0.7kg, the dispersant are C5-C10 perfluoro alkyl sulfonic acid sodium；
Suspension stabilizer 0.3kg, the suspension stabilizer are the T-shaped polymer E of amphiphilic block；
Water 88kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/10 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 6
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 13kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
54.87wt%, oil content 21.01wt%, mud containing rate 24.12wt%；
Dispersant 0.9kg, the dispersant are sodium alkyl sulfonate；
Suspension stabilizer 0.3kg, the suspension stabilizer are the T-shaped polymer F of amphiphilic block；
Water 89kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/10 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 7
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 15kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
60.19wt%, oil content 23.77wt%, mud containing rate 16.04wt%；
Dispersant 0.3kg, the dispersant are dodecyl sodium sulfate；
Suspension stabilizer 0.4kg, the suspension stabilizer are the T-shaped polymer G of amphiphilic block；
Water 84.3kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/11 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 8
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 17kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
50wt%, oil content 25.65wt%, mud containing rate 24.35wt%；
Dispersant 0.8kg, the dispersant are C5-C10 perfluoro alkyl sulfonic acid sodium；
Suspension stabilizer 0.45kg, the suspension stabilizer are polyacrylamide；
Water 81.3kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/11 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 9
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 19kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
54.02wt%, oil content 27.53wt%, mud containing rate 18.45wt%；
Dispersant 0.6kg, the dispersant are sodium alkyl sulfonate；
Suspension stabilizer 0.5kg, the suspension stabilizer are polyacrylamide；
Water 80kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/11 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 10
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 20kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
55.85wt%, oil content 29.14wt%, mud containing rate 15.01wt%；
Dispersant 0.2kg, the dispersant are dodecyl sodium sulfate and C5-C10 perfluoro alkyl sulfonic acid sodium；
Suspension stabilizer 0.5kg, the suspension stabilizer are the T-shaped polymer I of amphiphilic block；
Water 79.6kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/12 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 11
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 18kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
51.98wt%, oil content 28.59wt%, mud containing rate 19.43wt%；
Dispersant 0.9kg, the dispersant are sodium alkyl sulfonate and C5-C10 perfluoro alkyl sulfonic acid sodium；
Suspension stabilizer 0.5kg, the suspension stabilizer are the T-shaped polymer J of amphiphilic block；
Water 80.6kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/9 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 12
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 14kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
58.85wt%, oil content 22.31wt%, mud containing rate 20.84wt%；
Dispersant 1.0kg, the dispersant are dodecyl sodium sulfate, C5-C10 perfluoro alkyl sulfonic acid sodium and alkyl sulphur
Sour sodium；
Suspension stabilizer 0.4kg, the suspension stabilizer are the T-shaped polymer H of amphiphilic block；
Water 86.7kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/10 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Embodiment 13
A kind of oily sludge profile control blocking agent is present embodiments provided, the profile control blocking agent including following raw material by being made：
Oily sludge 12kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
66.02wt%, oil content 15.53wt%, mud containing rate 18.45wt%；
Dispersant 0.6kg, the dispersant are dodecyl sodium sulfate and C5-C10 perfluoro alkyl sulfonic acid sodium；
Suspension stabilizer 0.4kg, the suspension stabilizer are the T-shaped polymer A of amphiphilic block and polyacrylamide；
Water 83.2kg.
The present embodiment additionally provides a kind of method for preparing the oily sludge profile control blocking agent, comprises the following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, filters out oily sludge mixing
Bulky grain in system, the 1/11 oily sludge mixed system that grain diameter is pore throat is obtained, it is standby；
(3) suspension stabilizer of selected parts by weight is added in the oily sludge mixed system, after stirring,
Both oily sludge profile control blocking agent is obtained.
Effect example 1
Core plugging is carried out to oily sludge profile control blocking agent made from the present embodiment 1-13, tests its sealing characteristics,
Sealing ratiod is shown in Table 1.
The oily sludge profile control blocking agent sealing ratiod of table 1
From above table, oily sludge profile control blocking agent of the present invention, varying number activity is contained by selection
The T-shaped polymer of amphiphilic block of block is suspension stabilizer, the oil-containing with dispersant coordinated suspended dispersed difference oil content
Sludge, clustering phenomena is avoided the occurrence of, significantly improve the stability of described oily sludge profile control blocking agent, and then improve its profile control
Effect.
Effect example 2
Using the raw material of the oily sludge profile control blocking agent in embodiment 1, i.e., described oily sludge is by including following raw material
It is made：Oily sludge 3kg, the oily sludge settle output, its moisture content by the second multi-purpose station of Shengli Oil Field Gu Dong oil recovery factories
70wt%, oil content 10wt%, mud containing rate 20wt%；
Dispersant 1.0kg, the dispersant are dodecyl sodium sulfate；
Suspension stabilizer 0.2kg, the suspension stabilizer are the T-shaped polymer A of amphiphilic block；
Water 95.5kg.
Oily sludge profile control blocking agent is prepared by following steps：
(1) oily sludge is taken according to above-mentioned selected parts by weight, oil-containing dirt is pumped to by sludge solids charging
Mud disperses pond, adds the water and dispersant of selected parts by weight, agitated scattered；
(2) oily sludge mixed system fully dispersed in step (1) is subjected to grain sorting, respectively obtains grain diameter
Ratio with pore throat diameter is respectively 1:1、1:2、1:3、1:4、1:6、1:8、1:9、1:10、1:12、1:13、1:11 groups of 16 contain
Greasy dirt mixed system, it is standby；
(3) suspension stabilizer of selected parts by weight is separately added into 11 groups of oily sludge mixed systems, stirred
After mixing uniformly, oily sludge profile control blocking agent is both obtained.
Core plugging is carried out to obtained 11 groups of oily sludge profile control blocking agents in the above method, tests its seal-off effect
Can, sealing ratiod is shown in Table 2.
The oily sludge profile control blocking agent sealing ratiod of table 2
From above table, when grain diameter is the 1/9-1/12 of pore throat, obtained oily sludge profile control blocking agent
Shut-off capacity is stronger, can meet to block needs, and when grain diameter is more than the 1/9 of pore throat, oily sludge assembles more serious, nothing
Method is blocked into rock core deep, and when grain diameter is less than the 1/12 of pore throat, grain diameter is smaller, the oily sludge of preparation
Profile control blocking agent is not easy to form blocking, and shut-off capacity is weaker.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
1. a kind of oily sludge profile control blocking agent, it is characterised in that the profile control blocking agent including following raw material by being made：Containing greasy dirt
Mud 3-20 parts by weight, dispersant 0.2-1.0 parts by weight, suspension stabilizer 0.2-0.5 parts by weight and water 79.6-95.5 parts by weight.
2. oily sludge profile control blocking agent according to claim 1, it is characterised in that the suspension stabilizer is amphiphilic block
At least one of T-shaped polymer and polyacrylamide.
3. oily sludge profile control blocking agent according to claim 2, it is characterised in that the T-shaped polymer bag of amphiphilic block
Including at least one structural formula is
Block A, at least one structural formula isB block, and at least one knot
Structure formula isBlock C；
Wherein, the m1For 35000~110000, the n1For 5000~15000, the q1For 50~2000, the m2For 6~
14, the n2For 8~14.
4. the oily sludge profile control blocking agent according to claim any one of 2-3, it is characterised in that the amphiphilic block is T-shaped
The structural formula of polymer is-A-B-C- or-A-C-B-.
5. the oily sludge profile control blocking agent according to claim any one of 2-4, it is characterised in that the amphiphilic block is T-shaped
Polymer viscosity average molecular weigh is 4,000,000-960 ten thousand.
6. the oily sludge profile control blocking agent according to claim any one of 1-5, it is characterised in that described oily sludge is adjusted
Cut open the 1/9-1/12 that the grain diameter in blocking agent is pore throat.
7. the oily sludge profile control blocking agent according to claim any one of 1-6, it is characterised in that the dispersant is 12
At least one of sodium alkyl sulfonate, C5-C10 perfluoro alkyl sulfonic acid sodium and sodium alkyl sulfonate.
A kind of 8. method for preparing the oily sludge profile control blocking agent described in claim any one of 1-7, it is characterised in that including with
Lower step：
Water, the dispersant are added into the oily sludge, stirs, disperses the oily sludge, then add institute
Suspension stabilizer is stated, is stirred, produces described oily sludge profile control blocking agent.
9. the preparation method of oily sludge profile control blocking agent according to claim 8, it is characterised in that adding the suspension
Before stabilizer, in addition to the step of carry out grain sorting to the oily sludge after scattered.
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