CN103571444A - High temperature-resistant oil well cement additive, and preparation and applications thereof - Google Patents
High temperature-resistant oil well cement additive, and preparation and applications thereof Download PDFInfo
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- CN103571444A CN103571444A CN201210252898.2A CN201210252898A CN103571444A CN 103571444 A CN103571444 A CN 103571444A CN 201210252898 A CN201210252898 A CN 201210252898A CN 103571444 A CN103571444 A CN 103571444A
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- Prior art keywords
- oil well
- high temperature
- well cement
- cement additive
- temperature resistance
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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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
-
- 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
- C09K8/424—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells using "spacer" compositions
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a high temperature-resistant oil well cement additive, and preparation and applications thereof. The high temperature-resistant oil well cement additive comprises 10 to 35wt% of perlite, 55 to 85wt% of active silica and 5 to 20wt% of micro-silicon. Addition of 10 to 15 parts of the high temperature-resistant oil well cement additive into 100 parts of an oil well cement past is capable of solving a strength retrogression problem of the oil well cement at a high temperature, and is beneficial for increasing of oil well quality, prolonging of oil well service life, and especially for oil wells developed by steam huff and puff development method, such as thermal production wells and geothermal wells. The high temperature-resistant oil well cement additive is suitable for poor oil well environment with different temperatures, and application value is high.
Description
Technical field
The present invention relates to a kind of oil well cement paste admixture that prevents Behavior of Hardened Cement Paste strength retrogression under hot conditions, and the methods for making and using same of this admixture.
Background technology
Cement mantle is the important indicator of cementing quality and oilfield life to the ability of Oil/gas Well interlayer packing.Yet the cement mantle that conventional cement slurry cementing forms under high temperature (API standard code 110 ℃ be Behavior of Hardened Cement Paste hot environment above) due to " C-S-H " gel generation crystal phase transition in grout, thereby cause strength of cement sharply to fail.And add sand cement slurry, also can only bear the high temperature of 110 ℃～250 ℃.At present, thick oil thermal extraction adopts steam stimulation and steam driving exploitation mode more.Vapor temperature, generally up to 300～350 ℃, even reaches 375 ℃ of steam critical temperatures.At this temperature, cement mantle strength retrogression is serious, causes the problems such as run, drip, leak of thick oil thermal production well mouth, has a strong impact on the subsequent development of thick oil thermal extraction, and therefore, the intensity how improving after cement stone ring high temperature resistance steam stimulation needs to be studied.
Abroad, the research of relevant Behavior of Hardened Cement Paste high-temperature behavior only has several pieces of documents.Wherein, 1934, Meng Zier found first, in silicate cement, mixes containing SiO
2material, can greatly improve the intensity of press steaming (cement) test specimen.The people such as nineteen eighty-three Smith are by adding foamed cement or the Microballoon cement of silicon-dioxide to consolidate steamed well, and the mode of employing multistage cementing could be got well these wells admittedly.Nelson in 1985 and Silers etc. have studied the variation of several Behavior of Hardened Cement Pastes that add different external feedings its ultimate compression strength and rate of permeation at 232 ℃ and 312 ℃.Result of study shows, the rate of permeation of making addition material with wilkinite is the highest; But although the low strength grade of rate of permeation is too poor do the maintenance of addition material with diatomite after.
Summary of the invention
A kind of oil well cementing that is widely used in the object of this invention is to provide obtains high temperature resistance oil well cement additive, to solve the problem of oil well cement strength retrogression under hot conditions.
Technical scheme of the present invention is as follows:
High temperature resistance oil well cement additive, contains following weight percent component: 1. perlite 10 ~ 35%wt, 2. active silica 55 ~ 85%wt, 3. micro-silicon 5 ~ 20%wt.
The preferred version of high temperature resistance oil well cement additive is the weight percent of each component: 1. perlite 15 ~ 30%wt, 2. active silica 60 ~ 80%wt, 3. micro-silicon 5 ~ 15%wt.
Technical scheme of the present invention also comprises the preparation method of aforementioned oil well cement additive: perlite, active silica and micro-silicon are put into mixing machine according to described content and mix, make described high temperature resistance oil well cement additive after mixing.
Application method according to aforementioned oil well cement additive is: the oil well of take is 100 parts by weight with cement content in grout, and the oil well cement additive described in 10 ~ 15 parts is added to oil well cement paste, mixes.
The application method of the oil well cement additive of preparing according to the preparation method of aforementioned oil well cement additive is: the cement content in cement paste for well cementation of take is 100 parts by weight, oil well cement additive described in 12 ~ 14 parts is added to cementing slurry, mix.
The above cementing slurry is some cement paste for well cementation systems conventional in prior art.Conventionally also comprise following component: cement 100 parts by weight; 2 ~ 4 parts of dispersion agents; 1 ~ 3 part of water retaining; 0.5 ~ 1.5 part of retardant.Wherein cement is common cementing concrete, and described dispersion agent, water retaining, retardant are the usual auxiliaries of well cementing mortar architecture, all can be commercially available and obtain.
After being added to well cementing mortar architecture, high temperature resistance oil well cement additive of the present invention can solve cement mantle strength retrogression problem at high temperature, can improve the ultimate compression strength of cement mantle, the ultimate compression strength after high temperature particularly, the packing timeliness that extends cement mantle, is applicable to thick oil thermal extraction.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Raw material explanation: test the materials such as perlite used, active silica, micro-silicon and all obtain by commercially available; The materials such as dispersion agent (SWJZ-1), water retaining (SWJ-4), retardant (SWH-1) are purchased from Shandong World Oilfield Technology Co., Ltd..
In order to describe the problem, generally will be adding the cementing concrete sample of high temperature resistance oil well cement additive and not adding under the same conditions the cementing concrete sample of high temperature resistance oil well cement additive to compare.Whole test is undertaken by API standard 10,
the preparation method embodiment of high temperature resistance oil well cement additive
Embodiment 1:
Get 30%wt perlite, add active silica 60%wt, micro-silicon 10%wt, drops in double worm mixer, puddles, and repeatedly puddles 2 hours, after evenly, obtains product, and this product is pale powder 1# product.
Embodiment 2:
Get 25%wt perlite, add active silica 60%wt, micro-silicon 15%wt, drops in double worm mixer, puddles, and repeatedly puddles 2 hours, after evenly, obtains product, and this product is pale powder 2# product.
Embodiment 3:
Get 20%wt perlite, add active silica 70%wt, micro-silicon 10%wt, drops in double worm mixer, puddles, and repeatedly puddles 2 hours, after evenly, obtains product, and this product is pale powder 3# product.
Embodiment 4:
Get 15%wt perlite, add active silica 80%wt, micro-silicon 5%wt, drops in double worm mixer, puddles, and repeatedly puddles 2 hours, after evenly, obtains product, and this product is pale powder 4# product.
high temperature resistance oil well cement additive application examples
Comparative example 1:
No. 1 well cementing mortar architecture: victory Weihe River G cement (Linchu, shantung Sheng Wei special cement company limited) 100 parts by weight, dispersion agent (SWJZ-1) 0.6 parts by weight, water retaining (SWJ-4) 1.0 parts by weight, retardant (SWH-1) 0.1 parts by weight, liquid-solid ratio is 0.46.No. 1 system is carried out to high temperature front and back intensity test, and related cement briquette is comparative sample 1.
Embodiment 5:
On the basis of above-mentioned No. 1 well cementing mortar architecture, add the made high temperature resistance oil well cement additive 1# product of embodiment 1, mix and obtain well cementing mortar architecture No. 2.Wherein the consumption of 1# product be take in cementing slurry cement weight and is counted 13.6 parts as 100 parts.
Embodiment 6:
On the basis of No. 1 well cementing mortar architecture, add the made high temperature resistance oil well cement additive 2# product of embodiment 2, mix and obtain well cementing mortar architecture No. 3.Wherein the consumption of 2# product be take in cementing slurry cement weight and is counted 13.6 parts as 100 parts.
Embodiment 7:
On the basis of No. 1 well cementing mortar architecture, add the made high temperature resistance oil well cement additive 3# product of embodiment 3, mix and obtain well cementing mortar architecture No. 4.Wherein the consumption of 3# product be take in cementing slurry cement weight and is counted 13.6 parts as 100 parts.
Embodiment 8:
On the basis of No. 1 well cementing mortar architecture, add the made high temperature resistance oil well cement additive 4# product of embodiment 4, mix and obtain well cementing mortar architecture No. 5.Wherein the consumption of 4# product be take in cementing slurry cement weight and is counted 13.6 parts as 100 parts.
high-temperature resistance is evaluated
The ability of Behavior of Hardened Cement Paste high temperature resistance mainly judges by the compression strength value after Behavior of Hardened Cement Paste High Temperature Curing.The high-temperature resistance evaluation method of high temperature resistance oil well cement additive of the present invention comprises following steps:
(1) according to API standard 10, make grout, normal pressure multiviscosisty 20min at 50 ℃, pours intensity maintenance mould under stirring;
(2) at 50 ℃, after maintenance 72h, measuring ultimate compression strength, is initial ultimate compression strength;
(3) Behavior of Hardened Cement Paste of 72h maintenance at 50 ℃ is put into high temperature and pressure protective cauldron, (as 200 ℃, 280 ℃, 320 ℃, 350 ℃) maintenance 72h at the temperature of appointment;
(4) cement briquette intensity test is carried out in maintenance again after finishing, and compares the less high-temperature resistance of fall better with initial ultimate compression strength.
The high-temperature resistance evaluation result that adds the grout of high temperature resistance oil well cement additive below in conjunction with table 1 pair describes.
Table 1 is the Behavior of Hardened Cement Paste intensity test result after maintenance under differing temps according to the oil well cement slurry system of comparative example 1 and embodiment 5 ~ 8 preparations.Can find out that the cementing concrete stone ultimate compression strength after High Temperature Curing that does not add high temperature resistance oil well cement additive sharply declines, 200 ℃ of later ultimate compression strength are less than 5Mpa, are difficult to meet site operation needs.And the mortar architecture high-temperature resistance of adding high temperature resistance oil well cement additive is all improved.
table 1
By direct observation, also can find that Behavior of Hardened Cement Paste appearance after High Temperature Curing prepared by No. 1 mortar architecture is loose in addition, surface water mudstone comes off, and after Behavior of Hardened Cement Paste High Temperature Curing prepared by 2-5 mortar architecture flawless, appearance without bulk material, Behavior of Hardened Cement Paste hydrate is hard, intensity is higher.
Claims (5)
1. a high temperature resistance oil well cement additive, is characterized in that described high temperature resistance oil well cement additive is comprised of the component of following weight percent:
1) perlite 10 ~ 35%wt
2) active silica 55 ~ 85%wt
3) micro-silicon 5 ~ 20%wt.
2. high temperature resistance oil well cement additive according to claim 1, is characterized in that the weight percent of described component is preferably:
1) perlite 15 ~ 30%wt
2) active silica 60 ~ 80%wt
3) micro-silicon 5 ~ 15%wt.
3. the preparation method of high temperature resistance oil well cement additive according to claim 1 and 2, is characterized in that: perlite, active silica and micro-silicon are put into mixing machine according to described content component and mix.
4. the application method of high temperature resistance oil well cement additive according to claim 1 and 2, it is characterized in that: the cement content in cement paste for well cementation of take is 100 parts by weight, oil well cement additive described in 10 ~ 15 parts is added to cementing slurry, mix.
5. the application method of high temperature resistance oil well cement additive according to claim 4, is characterized in that: the weight part of described oil well cement additive is preferably 12 ~ 14 parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210252898.2A CN103571444A (en) | 2012-07-20 | 2012-07-20 | High temperature-resistant oil well cement additive, and preparation and applications thereof |
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| CN201210252898.2A CN103571444A (en) | 2012-07-20 | 2012-07-20 | High temperature-resistant oil well cement additive, and preparation and applications thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104556767A (en) * | 2014-12-05 | 2015-04-29 | 昆明理工大学 | Coated light-weight aggregate, and preparation method and application thereof |
| CN105255464A (en) * | 2015-11-16 | 2016-01-20 | 中国石油大学(华东) | High-temperature-resistant cementing material system |
| CN105295875A (en) * | 2015-10-01 | 2016-02-03 | 中国石油集团西部钻探工程有限公司 | Heat insulation cement paste and preparation method thereof |
| CN106554766A (en) * | 2015-09-28 | 2017-04-05 | 中国石油化工股份有限公司 | Anti-channeling emulsion, well cementation leakage-proof mud and preparation method thereof |
| CN110066648A (en) * | 2018-01-23 | 2019-07-30 | 中石化石油工程技术服务有限公司 | A kind of anti-strength retrogression oil well cement additive and methods for making and using same |
| CN110862245A (en) * | 2018-08-28 | 2020-03-06 | 中国石油天然气股份有限公司 | Well cementation cement for high-temperature deep well and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006070960A1 (en) * | 2004-12-31 | 2006-07-06 | Kyung Dong Ceratech Co., Ltd. | Covering composite for fire resistance and sound absorption |
| CN1803695A (en) * | 2006-01-04 | 2006-07-19 | 大庆石油管理局 | CO2 corrosion-prevented cement system for oil well |
| CN1810915A (en) * | 2006-02-24 | 2006-08-02 | 西南石油学院 | Comprehensive performace regulator for well cementing cement slurry and its prepn |
| RU2319722C1 (en) * | 2006-06-22 | 2008-03-20 | Открытое акционерное общество "Российская инновационная топливно-энергетическая компания" (ОАО "РИТЭК") | Polymer-cement grouting mortar |
| CN102093861A (en) * | 2009-12-14 | 2011-06-15 | 武侯区巅峰机电科技研发中心 | High temperature-resistant steam huff and puff cement grout |
-
2012
- 2012-07-20 CN CN201210252898.2A patent/CN103571444A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006070960A1 (en) * | 2004-12-31 | 2006-07-06 | Kyung Dong Ceratech Co., Ltd. | Covering composite for fire resistance and sound absorption |
| CN1803695A (en) * | 2006-01-04 | 2006-07-19 | 大庆石油管理局 | CO2 corrosion-prevented cement system for oil well |
| CN1810915A (en) * | 2006-02-24 | 2006-08-02 | 西南石油学院 | Comprehensive performace regulator for well cementing cement slurry and its prepn |
| RU2319722C1 (en) * | 2006-06-22 | 2008-03-20 | Открытое акционерное общество "Российская инновационная топливно-энергетическая компания" (ОАО "РИТЭК") | Polymer-cement grouting mortar |
| CN102093861A (en) * | 2009-12-14 | 2011-06-15 | 武侯区巅峰机电科技研发中心 | High temperature-resistant steam huff and puff cement grout |
Non-Patent Citations (2)
| Title |
|---|
| 罗杨等: "抗高温蒸汽吞吐固井水泥浆体系研究", 《钻井液与完井液》 * |
| 陈大钧等: "《特殊油气井化学工作液》", 31 May 2012 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104556767A (en) * | 2014-12-05 | 2015-04-29 | 昆明理工大学 | Coated light-weight aggregate, and preparation method and application thereof |
| CN106554766A (en) * | 2015-09-28 | 2017-04-05 | 中国石油化工股份有限公司 | Anti-channeling emulsion, well cementation leakage-proof mud and preparation method thereof |
| CN106554766B (en) * | 2015-09-28 | 2019-03-12 | 中国石油化工股份有限公司 | Anti-channeling lotion, well cementation leakage-proof mud and preparation method thereof |
| CN105295875A (en) * | 2015-10-01 | 2016-02-03 | 中国石油集团西部钻探工程有限公司 | Heat insulation cement paste and preparation method thereof |
| CN105255464A (en) * | 2015-11-16 | 2016-01-20 | 中国石油大学(华东) | High-temperature-resistant cementing material system |
| CN105255464B (en) * | 2015-11-16 | 2018-04-10 | 中国石油大学(华东) | A kind of high temperature resistant well cementing material system |
| CN110066648A (en) * | 2018-01-23 | 2019-07-30 | 中石化石油工程技术服务有限公司 | A kind of anti-strength retrogression oil well cement additive and methods for making and using same |
| CN110862245A (en) * | 2018-08-28 | 2020-03-06 | 中国石油天然气股份有限公司 | Well cementation cement for high-temperature deep well and preparation method and application thereof |
| CN110862245B (en) * | 2018-08-28 | 2021-11-30 | 中国石油天然气股份有限公司 | Well cementation cement for high-temperature deep well and preparation method and application thereof |
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Application publication date: 20140212 |