CN107418535A - Prepare the preparation method of rust-proof oil well cement anti-migration agent - Google Patents
Prepare the preparation method of rust-proof oil well cement anti-migration agent Download PDFInfo
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- CN107418535A CN107418535A CN201710519818.8A CN201710519818A CN107418535A CN 107418535 A CN107418535 A CN 107418535A CN 201710519818 A CN201710519818 A CN 201710519818A CN 107418535 A CN107418535 A CN 107418535A
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- China
- Prior art keywords
- oil well
- preparation
- well cement
- rust
- migration agent
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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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
Abstract
The invention discloses the preparation method for preparing rust-proof oil well cement anti-migration agent, calcium formate, sodium aluminate, mica, kaolinite is crushed respectively, then be proportionally added into grinder and grind；Ground powder is sent into kiln, at 1200~1800 DEG C, calcination time 15~30 hours, clinker is obtained after cooling；SBR emulsion, butadiene styrene, phosphate, sulfonate, defoamer are added in clinker, room temperature is cooled to after calcining 15min at 50~100 DEG C；Slag is proportionally added into, uniformly after mixing, the mesh of fineness 400~500 is ground to, that is, obtains oil well cement swelling agent.
Description
Technical field
The present invention relates to cement field, and in particular to prepares the preparation method of rust-proof oil well cement anti-migration agent.
Background technology
With deepening continuously for petroleum natural gas exploration, high pressure, saline bed well, easily to alter well more and more.Volume is received
Contracting cannot be guaranteed the bonding quality of cement sheath, be also possible to form microgap when serious, trigger formation fluid (Oil, Water, Gas) to alter
Stream；High leak-off causes cement mortar to be dehydrated bridge blinding in work progress, can not continue cementing, and cement mortar filtrate enters oil-gas Layer hole
After gap, because itself and fluid in stratum are incompatible, trigger water-sensitive effect, cause hydrocarbon contamination, influence oil and gas production, it is complete when serious
It is complete to block oil-gas Layer, producing well is changed into dry-well.
It is existing using aluminium powder as component of getting angry, by the oil-well cement anti-migration agent for the expansion for causing Behavior of Hardened Cement Paste of getting angry,
Oil field at home once one section of acquirement certain effect, but aluminium powder class foaming agent is because swell increment is small under its high pressure and Behavior of Hardened Cement Paste after hardening
Amount of contraction is big, and the effect that its water resistant is altered is largely effective.It is another kind of using entringite as expansion sources, may be only available for the oil of sulfate resistance
In well cement, and there is temperature limiting, therefore, the multifunctional expanded material of development of new be there is an urgent need to.
The content of the invention
The technical problems to be solved by the invention be existing anti-migration agent under high pressure-temperature in use, its intensity is relatively low,
And without performances such as preferable anticorrosions, and it is an object of the present invention to provide preparing the preparation method of rust-proof oil well cement anti-migration agent,
Existing oil-well cement is solved under anti-migration agent effect, does not have the problem of high intensity under high pressure-temperature.
The present invention is achieved through the following technical solutions：
The preparation method of rust-proof oil well cement anti-migration agent is prepared, is comprised the following steps：
(1) calcium formate, sodium aluminate, mica, kaolinite are crushed respectively, then is proportionally added into grinder and grinds；
(2) ground powder is sent into kiln, at 1200~1800 DEG C, calcination time 15~30 hours, cooling
After obtain clinker；
(3) SBR emulsion, butadiene-styrene, phosphate, sulfonate, defoamer are added in clinker, 50~
Room temperature is cooled to after calcining 15min at 100 DEG C；
(4) slag is proportionally added into step (3), uniformly after mixing, is ground to the mesh of fineness 400~500, that is, obtains oil
Well cement swelling agent.
The mesh of fineness 450 is ground in the step (1).Calcining heat in the step (2) in kiln is 1590 DEG C.
Calcination time in the step (2) in kiln is 26 hours.Calcining heat is 85 DEG C in the step (3).
Further, the present invention includes the component of following parts by weight：12 parts of calcium formate, 14 parts of sodium aluminate, sodium metasilicate
13 parts, 22 parts of SBR emulsion, 9 parts of slag, 7 parts of mica, 5 parts of kaolinite, 11 parts of butadiene-styrene, 12 parts of phosphate,
7 parts of sulfonate, 10 parts of defoamer.
Wherein, the sulfonate is the sulfonated bodies of formaldehyde and acetone.The slag is that main component is silicon in steel-making blast furnace
The slag of aluminate material, and its active ＞ 80%.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention prepares the preparation method of rust-proof oil well cement anti-migration agent, and inventing prepared anti-migration agent can effectively carry
The toughness of high Behavior of Hardened Cement Paste, delay the thickening time of cement mortar, ensure the bonding quality of deep well cementing, there is preferable pressure resistance
Degree；
2nd, the present invention prepares the preparation method of rust-proof oil well cement anti-migration agent, and preparation method of the present invention is easy, is easy to grasp
Make, there can be higher compression strength at high temperature under high pressure, and other performances are also preferable, can effective anti-channeling；
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, the present invention is made
Further to describe in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this
The restriction of invention.
Embodiment
The present invention prepares the preparation method of rust-proof oil well cement anti-migration agent, comprises the following steps：
(1) calcium formate, sodium aluminate, mica, kaolinite are crushed respectively, then is proportionally added into grinder and grinds；
(2) ground powder is sent into kiln, at 1200~1800 DEG C, calcination time 15~30 hours, cooling
After obtain clinker；
(3) SBR emulsion, butadiene-styrene, phosphate, sulfonate, defoamer are added in clinker, 50~
Room temperature is cooled to after calcining 15min at 100 DEG C；
(4) slag is proportionally added into step (3), uniformly after mixing, is ground to the mesh of fineness 400~500, that is, obtains oil
Well cement swelling agent.
Wherein.The mesh of fineness 450 is ground in the step (1).Calcining heat in the step (2) in kiln is
1590℃.Calcination time in the step (2) in kiln is 26 hours.Calcining heat is 85 DEG C in the step (3).
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (5)
1. prepare the preparation method of rust-proof oil well cement anti-migration agent, it is characterised in that comprise the following steps：
(1) calcium formate, sodium aluminate, mica, kaolinite are crushed respectively, then is proportionally added into grinder and grinds；
(2) ground powder is sent into kiln, at 1200~1800 DEG C, calcination time 15~30 hours, after cooling
To clinker；
(3) SBR emulsion, butadiene-styrene, phosphate, sulfonate, defoamer are added in clinker, 50~100
Room temperature is cooled to after calcining 15min at DEG C；
(4) slag is proportionally added into step (3), uniformly after mixing, is ground to the mesh of fineness 400~500, that is, obtains oil well water
Mud swelling agent.
2. the preparation method according to claim 1 for preparing rust-proof oil well cement anti-migration agent, it is characterised in that the step
Suddenly the mesh of fineness 450 is ground in (1).
3. the preparation method according to claim 1 for preparing rust-proof oil well cement anti-migration agent, it is characterised in that the step
Suddenly the calcining heat in (2) in kiln is 1590 DEG C.
4. the preparation method according to claim 1 for preparing rust-proof oil well cement anti-migration agent, it is characterised in that the step
Suddenly the calcination time in (2) in kiln is 26 hours.
5. the preparation method according to claim 1 for preparing rust-proof oil well cement anti-migration agent, it is characterised in that the step
Suddenly calcining heat is 85 DEG C in (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519818.8A CN107418535A (en) | 2017-06-30 | 2017-06-30 | Prepare the preparation method of rust-proof oil well cement anti-migration agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519818.8A CN107418535A (en) | 2017-06-30 | 2017-06-30 | Prepare the preparation method of rust-proof oil well cement anti-migration agent |
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| CN107418535A true CN107418535A (en) | 2017-12-01 |
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| CN201710519818.8A Pending CN107418535A (en) | 2017-06-30 | 2017-06-30 | Prepare the preparation method of rust-proof oil well cement anti-migration agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048059A (en) * | 2018-01-09 | 2018-05-18 | 成都川锋栲胶有限公司 | Oil-well cement agent for anti gassing-out preparation method |
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| CN102250596A (en) * | 2011-05-25 | 2011-11-23 | 天津中油渤星工程科技有限公司 | Novel cement paste for well cementation |
| CN102618231A (en) * | 2012-03-09 | 2012-08-01 | 中国石油天然气集团公司 | Low-temperature shallow channeling-prevention cement slurry |
| CN102643633A (en) * | 2012-04-06 | 2012-08-22 | 茂名市三元化工有限公司 | High-temperature and anti-salt gas-channeling-preventing agent and manufacturing method thereof |
| CN103540301A (en) * | 2013-10-10 | 2014-01-29 | 西安石油大学 | Self-repairing latex well cementation cement slurry as well as preparation and application thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |
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| RJ01 | Rejection of invention patent application after publication |