CN104987017B - A kind of compound leakage stop agent - Google Patents
A kind of compound leakage stop agent Download PDFInfo
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- CN104987017B CN104987017B CN201510411798.3A CN201510411798A CN104987017B CN 104987017 B CN104987017 B CN 104987017B CN 201510411798 A CN201510411798 A CN 201510411798A CN 104987017 B CN104987017 B CN 104987017B
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Abstract
The present invention relates to building material technical field, more particularly to a kind of compound leakage stop agent, it is made up of the raw material of following parts by weight：55~75 parts of composite gel material, 2~8 parts of toughener, promote solidifying 3~9 parts of reinforcing agent, 12~22 parts of curing agent, 7~15 parts of dispersant.The compound leakage stop agent of the present invention, have rigid and flexibility concurrently, deformation and filling can be played a part of simultaneously, while play a part of bridge formation and deformable filler, greatly reduce the dosage of loss circulation material, reduce cost.
Description
Technical field
The present invention relates to building material technical field, more particularly to a kind of compound leakage stop agent.
Background technology
Leakage is to influence one of maximum factor to bit speed and drilling cost in various complex situations, is puzzlement oil
The problem of natural gas probing.Once generation leakage, not only needing to consume substantial amounts of drilling fluid materialses and loss circulation material, but also prolong
Long engineering time, increase exploitation original, or even cause bit freezing, burying, scrap the down-hole accidents such as full well.Domestic market occurs
The sealing agent of many different qualities, has plenty of using strings such as cotton fiber, peanut shell, walnut shells as main component plant
Fiber sealing agent；Have plenty of and blocked up using limmer mixture, humic acid potassium, particulate material as main Ingredients Inorganic particulates thing
Leak agent, also pons hematoma agent and uniaxial pressure sealer.When directly with the string leak stopping such as cotton seed hulls, due to these fibers
Shape inherent characteristic：The factors such as proportion is kicked the beam, size is difficult to control, easy knot, poor fluidity, plugging effect is poor when in use, holds
Pressure energy power is weak；And particle or powdery sealing agent have limitation to the shut-off capacity of large fracture；There is " envelope during using bridge joint sealing agent
The phenomenon of door " (sealing agent can not enter inside drop ply) and " return and tell " (being leaked again after stifled) occurs.Therefore, a kind of material of single use
It is good at meeting the function needed for sealing agent simultaneously, is used with compound mode, the deficiency that homogenous material uses can be made up, reached
The performance requirement of sealing agent.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of compound leakage stop agent, have rigidity and flexibility concurrently, can rise simultaneously
To the effect of deformation and filling, while play a part of building bridge and deformable filler, greatly reduce the dosage of loss circulation material, reduce into
This.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of compound leakage stop agent, it is made up of the raw material of following parts by weight：
Whole raw materials of the present invention are pulvis.
Composite gel material of the present invention is 5~10 parts of silicon rubber, 10~20 parts of sulphate aluminium cements and 10~20
The mixture of part polytetrafluoroethylene (PTFE).The particle diameter of described polytetrafluoroethylene (PTFE) is 0.01~0.05mm.Composite gel material has concurrently just
Property and flexibility, can play a part of simultaneously deformation and filling, applicable wide temperature range, between -90 DEG C~180 DEG C, have
Good temperature resistance compressive property.
Toughener of the present invention is cellucotton.Cellucotton has good toughening effect, it is ensured that firming body knot
The intensity of structure.
The solidifying reinforcing agent of rush of the present invention is 10~20 parts of bunt gypsums, 5~10 parts of silica and 4~8 parts of sodium sulphate.
Promote the hour intensity that solidifying reinforcing agent directly affects sealing agent, hour intensity at least improves 2 times after addition promotees solidifying reinforcing agent, 30min
Compression strength also improve 10~14MPa, additionally it is possible to promote condense, improve efficiency.
Curing agent of the present invention is that 10~20 parts of melamines, 5~10 parts of talcum powder and 5~10 parts are bentonitic mixed
Compound.The time of curing agent regulation sealing agent solidification, improve the intensity of curing agent.The curing agent after talcum powder is added, is also acted as
The effect of filler, is entered in hole, improves the compactness of firming body, improves the intensity and water proofing property of sealing agent.
The particle diameter of talcum powder of the present invention is 0.012~0.022mm.In this particle size range, sealing agent it is comprehensive
Close better performances.
Dispersant of the present invention is the mixture of 8~15 parts of sodium tripolyphosphates and 5~10 parts of calgons.It is scattered
Agent avoids sealing agent cohesion deposition, improves mobility, while can also improve sealing agent intensity.
Part of the present invention is parts by weight.
The beneficial effects of the present invention are：
1st, the present invention has rigidity and flexibility concurrently using composite gel material as material of main part, can play deformation simultaneously with filling out
The effect filled, applicable wide temperature range, between -90 DEG C~180 DEG C, there is good temperature resistance compressive property.
2nd, under positive differential pressure, drop ply can be formed and fast and effectively blocked, fast solidifying, plugging strength is high, closure
Depth as shallow, perforation de-plugging can be carried out.
3rd, the present invention can play a part of building bridge and deformable filler simultaneously, greatly reduce the dosage of leak stopping raw material, reduce
Cost.
4th, back water face can be used, and impermeability pressure is high, cementitiousness is strong, and hour intensity and compression strength are high.
5th, it is nontoxic, harmless, pollution-free, it is green.
Embodiment
The invention will be further described with reference to embodiments, but the invention is not limited in these embodiments.
Embodiment 1
1) raw material is weighed by following parts by weight：
2) each raw material addition mixing plant is stirred, you can obtain product.
Composite gel material is the mixture of 5 parts of silicon rubber, 10 parts of sulphate aluminium cements and 20 parts of polytetrafluoroethylene (PTFE)；Toughness reinforcing
Agent is cellucotton；It is 10 parts of bunt gypsums, 10 parts of silica and 8 parts of sodium sulphate to promote solidifying reinforcing agent；Curing agent is 10 parts of melamines
Amine, 10 parts of talcum powder and 10 parts of bentonitic mixtures；Dispersant is the mixing of 8 parts of sodium tripolyphosphates and 10 parts of calgons
Thing；Described part is parts by weight.
The particle diameter of talcum powder is 0.022mm；The particle diameter of polytetrafluoroethylene (PTFE) is 0.01mm.
Embodiment 2
1) raw material is weighed by following parts by weight：
2) each raw material addition mixing plant is stirred, you can obtain product.
Composite gel material is the mixture of 7 parts of silicon rubber, 13 parts of sulphate aluminium cements and 12 parts of polytetrafluoroethylene (PTFE)；Toughness reinforcing
Agent is cellucotton；It is 13 parts of bunt gypsums, 9 parts of silica and 7 parts of sodium sulphate to promote solidifying reinforcing agent；Curing agent is 13 parts of melamines
Amine, 9 parts of talcum powder and 9 parts of bentonitic mixtures；Dispersant is the mixture of 9 parts of sodium tripolyphosphates and 9 parts of calgons；
Described part is parts by weight.
The particle diameter of talcum powder is 0.020mm；The particle diameter of polytetrafluoroethylene (PTFE) is 0.02mm.
Embodiment 3
1) raw material is weighed by following parts by weight：
2) each raw material addition mixing plant is stirred, you can obtain product.
Composite gel material is the mixture of 8 parts of silicon rubber, 15 parts of sulphate aluminium cements and 15 parts of polytetrafluoroethylene (PTFE)；Toughness reinforcing
Agent is cellucotton；It is 15 parts of bunt gypsums, 8 parts of silica and 6 parts of sodium sulphate to promote solidifying reinforcing agent；Curing agent is 15 parts of melamines
Amine, 8 parts of talcum powder and 7 parts of bentonitic mixtures；Dispersant is the mixing of 11 parts of sodium tripolyphosphates and 8 parts of calgons
Thing；Described part is parts by weight.
The particle diameter of talcum powder is 0.017mm；The particle diameter of polytetrafluoroethylene (PTFE) is 0.03mm.
Embodiment 4
1) raw material is weighed by following parts by weight：
2) each raw material addition mixing plant is stirred, you can obtain product.
Composite gel material is the mixture of 9 parts of silicon rubber, 18 parts of sulphate aluminium cements and 12 parts of polytetrafluoroethylene (PTFE)；Toughness reinforcing
Agent is cellucotton；It is 18 parts of bunt gypsums, 7 parts of silica and 5 parts of sodium sulphate to promote solidifying reinforcing agent；Curing agent is 18 parts of melamines
Amine, 6 parts of talcum powder and 6 parts of bentonitic mixtures；Dispersant is the mixing of 13 parts of sodium tripolyphosphates and 7 parts of calgons
Thing；Described part is parts by weight.
The particle diameter of talcum powder is 0.015mm；The particle diameter of polytetrafluoroethylene (PTFE) is 0.04mm.
Embodiment 5
1) raw material is weighed by following parts by weight：
2) each raw material addition mixing plant is stirred, you can obtain product.
Composite gel material is the mixture of 10 parts of silicon rubber, 20 parts of sulphate aluminium cements and 10 parts of polytetrafluoroethylene (PTFE)；Increase
Tough dose is cellucotton；It is 20 parts of bunt gypsums, 5 parts of silica and 4 parts of sodium sulphate to promote solidifying reinforcing agent；Curing agent is 20 parts of melamines
Amine, 5 parts of talcum powder and 5 parts of bentonitic mixtures；Dispersant is the mixing of 15 parts of sodium tripolyphosphates and 5 parts of calgons
Thing；Described part is parts by weight.
The particle diameter of talcum powder is 0.012mm；The particle diameter of polytetrafluoroethylene (PTFE) is 0.05mm.
By detection, the product performance index that the present invention is prepared is as follows：
Claims (2)
1. a kind of compound leakage stop agent, it is characterised in that be made up of the raw material of following parts by weight：
Described composite gel material is 5~10 parts of silicon rubber, 10~20 parts of sulphate aluminium cements and 10~20 parts of polytetrafluoroethyl-nes
The mixture of alkene；
Described toughener is cellucotton；
The solidifying reinforcing agent of described rush is the mixture of 10~20 parts of bunt gypsums, 5~10 parts of silica and 4~8 parts of sodium sulphate；
Described curing agent is 10~20 parts of melamines, 5~10 parts of talcum powder and 5~10 parts of bentonitic mixtures；
Described dispersant is the mixture of 8~15 parts of sodium tripolyphosphates and 5~10 parts of calgons；
Described part is parts by weight.
2. compound leakage stop agent according to claim 1, it is characterised in that：The particle diameter of described talcum powder be 0.012~
0.022mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510411798.3A CN104987017B (en) | 2015-07-14 | 2015-07-14 | A kind of compound leakage stop agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510411798.3A CN104987017B (en) | 2015-07-14 | 2015-07-14 | A kind of compound leakage stop agent |
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| CN104987017A CN104987017A (en) | 2015-10-21 |
| CN104987017B true CN104987017B (en) | 2017-12-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105295939A (en) * | 2015-10-23 | 2016-02-03 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Curing agent for petroleum drilling clean production and preparing method of curing agent |
| CN106278068B (en) * | 2016-08-24 | 2018-08-21 | 钟原 | A kind of sealing agent used for geological prospecting and preparation method thereof |
| CN107218021A (en) * | 2017-08-06 | 2017-09-29 | 大庆东油睿佳石油科技有限公司 | A kind of double slug type profile control agents of Fracture with low permeability oil reservoir and its application method |
| CN108949104B (en) * | 2018-07-27 | 2021-06-25 | 王鹏 | Anti-seepage composition and using method |
| CN112210353B (en) * | 2019-07-10 | 2022-12-13 | 中石化石油工程技术服务有限公司 | High-filtration high-acid-solubility plugging agent for reservoir plugging and preparation method thereof |
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| CN1163919A (en) * | 1997-02-04 | 1997-11-05 | 北京市海淀区东海防腐防水技术开发工程公司 | Single component inorganic water-proofing agent |
| CN102443383B (en) * | 2011-09-06 | 2013-04-24 | 中国石油天然气集团公司 | High-dehydration hardenable plugging sealing agent |
| CN104498001B (en) * | 2014-12-26 | 2017-07-28 | 江西省萍乡市安华生物科技有限公司 | High dehydration solidification sealing agent and preparation method thereof |
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