CN107216071A - A kind of deep geothermal heat well low-temperature zone well cementation insulating cement slurry and preparation method thereof - Google Patents
A kind of deep geothermal heat well low-temperature zone well cementation insulating cement slurry and preparation method thereof Download PDFInfo
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- CN107216071A CN107216071A CN201710344089.7A CN201710344089A CN107216071A CN 107216071 A CN107216071 A CN 107216071A CN 201710344089 A CN201710344089 A CN 201710344089A CN 107216071 A CN107216071 A CN 107216071A
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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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
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- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Materials Engineering (AREA)
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Present invention relates particularly to a kind of deep geothermal heat well low-temperature zone well cementation insulating cement slurry and preparation method thereof, deep geothermal heat well low-temperature zone well cementation insulating cement slurry is prepared from by the raw material of following percentage by weight：Oil-well cement 15~25%, oil well superfine cement 15~25%, two tungsten selenides 4~7%, nano silicon 2~5%, hollow glass microballoon 4~7%, early strength agent 1~4%, fluid loss agent 1~2%, dispersant 0.2~0.6%, microglass fiber 1~3%, silicate 5~10%, surplus is water.Its preparation method：Oil-well cement, oil well superfine cement, two tungsten selenides, nano silicon, hollow glass microballoon, early strength agent, fluid loss agent, dispersant and water are separately added into order, stir to well mixed, microglass fiber and silicate are sequentially added, is stirred to well mixed.The deep geothermal heat well low-temperature zone well cementation insulating cement slurry of the present invention, with good insulating power, and has the advantages that low-density, early strong, low fluid loss, easy infusion, and its property indices all fully meets live cementing requirements.
Description
Technical field
The invention belongs to oil-well cement technical field, and in particular to a kind of deep geothermal heat well low-temperature zone well cementation insulating cement slurry
And preparation method thereof.
Background technology
Well cementation is exactly the process for injecting cement mortar in the annular space between the borehole wall and sleeve pipe, and its purpose is to Inter-zonal packing
With support and protection sleeve pipe, the quality of cementing quality is directly connected to the life-span of Oil/gas Well and the protection of resource.Therefore it must fill
Divide the links for considering well cementing operation, such as：Well preparation, well cementing material, cementing tool and annex, well shaft fixing technology, well cementation dress
Standby and cementing operation etc..It is always cementing design and well cementing material is as Inter-zonal packing and the main carriers of protection sleeve pipe purpose
The most important thing link, be also cement the well area research main aspect.
Well cementing material includes：Basic cement, mixing water, extra material and additive.Basic cement is that some can occur water
Change and react and can be formed the binder materials of enough mechanical properties；Extra material is primarily used to improve or reduces the close of cement mortar
Degree, improves the material of the mechanical properties such as high-temperature behavior, permeability, the toughness of Behavior of Hardened Cement Paste etc.；Additive is then that can change cement
Setting time of slurry, rheological property, free performance and the anti-channeling performance and reservoir protec-tion that improve cement mortar, and to Behavior of Hardened Cement Paste
Mechanical property produces the materials such as influence.
By studying and putting into practice for many years, a series of cement, additive and extra material are formd, and establish applicable
The mortar architecture needed in the well cementation of all kinds of wells and various drilling technologies and In Oil Field Exploration And Development, such as：Anti- water breakthrough, anti-gas channeling,
Toughness, latex, high density, foam, saliferous, common low-density, high temperature resistance and high-strength low-density mortar architecture, horizontal well,
Adjust well, geothermal well, shallow gas pay well and deep well cementing mortar architecture, slimhole drilling and the supporting cement mortar of under balance pressure drilling
System, multifunctional drilling fluid and mud to cement technology etc..But with the emergence of new drilling technology, underground heat
The resources such as well, natural gas, coal bed gas are constantly taken seriously, it is desirable to continuous improvement, the energy of deep layer and difficult mine reserves
Exploitation, has higher requirement to the quality of well cementation.
The cement mortar cemented the well for deep geothermal heat well low-temperature zone has special requirement when in use, for example, cement mortar is in note
There are certain mobility and suitable density during well；, should be compared with quick setting, and in a short time in cement mortar injection geothermal well
Reach suitable intensity；Cement mortar after hardening should have good stability, impermeability, corrosion stability and heat insulating ability.But at present
Oil-well cement can't meet these performances simultaneously.
Chinese invention patent CN102352226A discloses a kind of low-density microdilatancy high-early strength anti-migration oil well cement paste, according to
Mass fraction includes component：100 parts of oil-well cement, 5~65 parts of hollow glass microballoon, 5~25 parts of superfine cement, micro- silicon 5~20
Part, 3~6 parts of early strength agent, 3~8 parts of swelling agent, 4~10 parts of fluid loss agent, 8~20 parts of styrene-butadiene latex anti-migration agent, dispersant 0.2
~1 part, 0.2~0.8 part of defoamer, surplus is water.The cement mortar anti-channeling performance is good, but poor thermal insulation property, is not suitable for application
In the well cementation of deep geothermal heat well low-temperature zone.
The content of the invention
In order to solve the problem of existing oil-well cement has poor thermal insulation property, the invention provides a kind of deep geothermal heat well is low
Temperature section well cementation insulating cement slurry and preparation method thereof, deep geothermal heat well low-temperature zone well cementation insulating cement slurry has insulation well
Ability, and there is low-density, early strong, low fluid loss, easy infusion.The technical problem to be solved in the present invention passes through following skill
Art scheme is realized：
A kind of deep geothermal heat well low-temperature zone well cementation insulating cement slurry, is prepared from by the raw material of following percentage by weight：
Preferably, above-mentioned deep geothermal heat well low-temperature zone well cementation insulating cement slurry, is prepared by the raw material of following percentage by weight
Form：Oil-well cement 20.7%, oil well superfine cement 20.3%, two tungsten selenides 5%, nano silicon 3.1%, double glazing
Microballoon 6.7%, early strength agent 1.4%, fluid loss agent 1.2%, dispersant 0.3%, microglass fiber 1.5%, silicate 7.3%,
Water 32.5%.
Preferably, above-mentioned silicate includes active calcium silicate and sodium metasilicate or the mixture of active calcium silicate and magnesium silicate.
The preparation method of above-mentioned deep geothermal heat well low-temperature zone well cementation insulating cement slurry, comprises the following steps：
Step one：Be separately added into oil-well cement in order, it is oil well superfine cement, two tungsten selenides, nano silicon, hollow
Glass microsphere, early strength agent, fluid loss agent, dispersant and water, stirring obtain mixture to well mixed；
Step 2：Microglass fiber and silicate are sequentially added into the mixture described in step one, stirring is equal to mixing
It is even, obtain deep geothermal heat well low-temperature zone well cementation insulating cement slurry.
Compared with prior art, beneficial effects of the present invention：
The deep geothermal heat well low-temperature zone well cementation insulating cement slurry of the present invention is except meeting deep geothermal heat well low-temperature zone well cementation guarantor
Outside warm water mud system low-density, the requirement of low-temperature high-early strength, its insulating power is particularly pertinent, in addition also have low fluid loss, easily
The advantages of infusion and simple formulation operations, and its property indices all fully meets live cementing requirements, helps to shorten
The well cementing operation time, while reducing cost.
Embodiment
Further detailed description is done to the present invention with reference to specific embodiment, but embodiments of the present invention are not limited to
This.
The design concept of the deep geothermal heat well low-temperature zone well cementation insulating cement slurry of the present embodiment：
Pass through experiment test oil-well cement, active calcium silicate, oil well superfine cement, nano silicon, hollow glass first
Compression strength, the static gel strength rule of development of the glass microballoon in different-grain diameter, different quality ratio, and adjusted according to experimental result
Whole each component particle diameter and mass ratio size, are optimal system compression strength, static gel strength performance, obtain deep low-temperature
The basic composition of cement mortar and each extra material in insulating cement slurry system of cementing the well.
Then, the influence of test analysis variety classes and the early strength agent material of ratio to cement mortar low temperature intensity, preferably goes out
Compression strength effect optimal early strength agent material and dosage are improved, while rheology impact of the early strength agent to cement mortar is small, right
The development of Behavior of Hardened Cement Paste longtime compressive strength has no side effect.
Finally, influence the less dispersant of side effect, fluid loss agent etc. outer hydrated cementitious under cryogenic conditions by screening
Plus agent material, and the performance such as test analysis slurry flowing performance-changing, fluid loss and sedimentation stability, preferably go out dispersant, drop and lose
The additive such as aqua substance classes and optimal dosage, so as to ultimately form deep geothermal heat well low-temperature zone well cementation insulating cement slurry system
Formula.
Two tungsten selenides are the minimum materials of pyroconductivity in the world, and the present embodiment is done from two low tungsten selenides of pyroconductivity
One of raw material, makes the heat of the low-temperature zone of deep geothermal heat well not easy to lose, improves energy conversion efficiency.Microglass fiber has into
Type is good, bulk density is small, thermal conductivity Go-to-and-fro, the advantages of be incubated adiabatic, corrosion-resistant, stable chemical performance, add in cement mortar, can be with
Thermal conductivity, the density of cement mortar are reduced, the stability of cement mortar is improved.Hollow glass microballoon belongs to novel ultra-light matter filling material
Material, can improve or determine following several properties of material：Density (reduction), mobility, viscosity (reduction), the rheological equationm of state (thickening,
Not sagging), frosted finish effect, contraction (reduction), machining property (raising), impact strength, rigidity, tensile strength, bending strength,
Hardness, heat-insulation and heat-preservation property.
Embodiment 1：
The present embodiment deep geothermal heat well low-temperature zone well cementation insulating cement slurry, by following percentage by weight raw material prepare and
Into：Oil-well cement 20.7%, oil well superfine cement 20.3%, two tungsten selenides 5%, nano silicon 3.1%, double glazing is micro-
Ball 6.7%, early strength agent 1.4%, fluid loss agent 1.2%, dispersant 0.3%, microglass fiber 1.5%, active calcium silicate
4.3%, sodium metasilicate 3%, water 32.5%.
The preparation method of deep geothermal heat well low-temperature zone well cementation insulating cement slurry, comprises the following steps：
Step one：20.7% oil-well cement, 20.3% oil well superfine cement, 5% two selenium are separately added into order
Change tungsten, 3.1% nano silicon, 6.7% hollow glass microballoon, 1.4% early strength agent, 1.2% fluid loss agent,
0.3% dispersant and 32.5% water, stirring obtain mixture to well mixed；
Step 2：Sequentially added into the mixture of step one 1.5% microglass fiber, 4.3% active calcium silicate
Sodium metasilicate with 3%, stirs to well mixed, obtains deep geothermal heat well low-temperature zone well cementation insulating cement slurry.
Embodiment 2：
The present embodiment deep geothermal heat well low-temperature zone well cementation insulating cement slurry, by following percentage by weight raw material prepare and
Into：Oil-well cement 18%, oil well superfine cement 23%, two tungsten selenides 5%, nano silicon 3%, hollow glass microballoon 5%,
Early strength agent 3%, fluid loss agent 1.6%, dispersant 0.5%, microglass fiber 1.5%, active calcium silicate 5%, sodium metasilicate 2%,
Water 32.4%.
The preparation method of deep geothermal heat well low-temperature zone well cementation insulating cement slurry, comprises the following steps：
Step one：Be separately added into order 18% oil-well cement, 23% oil well superfine cement, 5% two tungsten selenides,
3% nano silicon, 5% hollow glass microballoon, 3% early strength agent, 1.6% fluid loss agent, 0.5% dispersant
Water with 32.4%, stirs to well mixed, obtains mixture；
Step 2：Sequentially added into the mixture of step one 1.5% microglass fiber, 5% active calcium silicate and
2% magnesium silicate, stirring obtains deep geothermal heat well low-temperature zone well cementation insulating cement slurry to well mixed.
Embodiment 3：
The present embodiment deep geothermal heat well low-temperature zone well cementation insulating cement slurry, by following percentage by weight raw material prepare and
Into：Oil-well cement 15%, oil well superfine cement 25%, two tungsten selenides 4%, nano silicon 5%, hollow glass microballoon 4%,
Early strength agent 4%, fluid loss agent 1%, dispersant 0.6%, microglass fiber 1%, active calcium silicate 6%, sodium metasilicate 4%, water
30.4%.
The preparation method of deep geothermal heat well low-temperature zone well cementation insulating cement slurry, comprises the following steps：
Step one：Be separately added into order 15% oil-well cement, 25% oil well superfine cement, 4% two tungsten selenides,
5% nano silicon, 4% hollow glass microballoon, 4% early strength agent, 1% fluid loss agent, 0.6% dispersant and
30.4% water, stirring obtains mixture to well mixed；
Step 2：1% microglass fiber, 6% active calcium silicate and 4% are sequentially added into the mixture of step one
Magnesium silicate, stirring obtains deep geothermal heat well low-temperature zone well cementation insulating cement slurry to well mixed.
Embodiment 4：
The present embodiment deep geothermal heat well low-temperature zone well cementation insulating cement slurry, by following percentage by weight raw material prepare and
Into：Oil-well cement 25%, oil well superfine cement 15%, two tungsten selenides 7%, nano silicon 2%, hollow glass microballoon 7%,
Early strength agent 1%, fluid loss agent 2%, dispersant 0.2%, microglass fiber 3%, active calcium silicate 4%, sodium metasilicate 1%, water
32.8%.
The preparation method of deep geothermal heat well low-temperature zone well cementation insulating cement slurry, comprises the following steps：
Step one：Be separately added into order 25% oil-well cement, 15% oil well superfine cement, 7% two tungsten selenides,
2% nano silicon, 7% hollow glass microballoon, 1% early strength agent, 2% fluid loss agent, 0.2% dispersant and
32.8% water, stirring obtains mixture to well mixed；
Step 2：3% microglass fiber, 4% active calcium silicate and 1% are sequentially added into the mixture of step one
Magnesium silicate, stirring obtains deep geothermal heat well low-temperature zone well cementation insulating cement slurry to well mixed.
Embodiment 5：
The present embodiment deep geothermal heat well low-temperature zone well cementation insulating cement slurry, by following percentage by weight raw material prepare and
Into：Oil-well cement 20%, oil well superfine cement 20%, two tungsten selenides 6%, nano silicon 4%, hollow glass microballoon 5%,
Early strength agent 2%, fluid loss agent 1.5%, dispersant 0.5%, microglass fiber 2%, active calcium silicate 5%, sodium metasilicate 3%, water
31%.
The preparation method of deep geothermal heat well low-temperature zone well cementation insulating cement slurry, comprises the following steps：
Step one：Be separately added into order 20% oil-well cement, 20% oil well superfine cement, 6% two tungsten selenides,
4% nano silicon, 5% hollow glass microballoon, 2% early strength agent, 1.5% fluid loss agent, 0.5% dispersant
Water with 31%, stirs to well mixed, obtains mixture；
Step 2：2% microglass fiber, 5% active calcium silicate and 3% are sequentially added into the mixture of step one
Magnesium silicate, stirring obtains deep geothermal heat well low-temperature zone well cementation insulating cement slurry to well mixed.
The performance measurement of the deep geothermal heat well low-temperature zone well cementation insulating cement slurry of 1~embodiment of embodiment 5 is according to GB/
T19139 relevant regulations are performed, testing result such as table 1.
As shown in Table 1,1~embodiment of embodiment 5 compares, and the compression strength of embodiment 1 is maximum, and compression strength is
16.9MPa, meets the requirement of SY/T6544-2010 standards；The initial consistency of embodiment 1 is minimum, and initial consistency is 7.0, and implements
The thickening time of example 1 is most long, is 36min during thickening, meets the requirement of SY/T6544-2010 standards.Because the deep geothermal heat well is low
The thickening time of temperature section well cementation insulating cement slurry is longer, can meet the demand of deep geothermal heat well low-temperature zone well cementation.
The performance test results of the deep geothermal heat well low-temperature zone of table 1 well cementation insulating cement slurry
The performance of the deep geothermal heat well low-temperature zone well cementation insulating cement slurry of 1~embodiment of embodiment 5 meets the Chinese people
Republic oil and gas industry standard SY/T6544-2010 (oil well cement paste performance requirement), with low-temperature high-early strength, low close
Degree, low fluid loss, anti-channeling, and thickening time and compression strength also meet the low temperature well cementing cement mortar of live needs of cementing operations
System.The low temperature well cementing mortar architecture is particularly suitable for use in the well cementing operation of deep-well low temperature top layer casing section.As China accelerates
The exploitation of geothermal energy resources, low temperature well cementing mortar architecture of the invention has very wide application prospect.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (4)
1. a kind of deep geothermal heat well low-temperature zone well cementation insulating cement slurry, it is characterised in that：By the raw material system of following percentage by weight
It is standby to form：
2. deep geothermal heat well low-temperature zone well cementation insulating cement slurry as claimed in claim 1, it is characterised in that：By following weight hundred
The raw material of ratio is divided to be prepared from：Oil-well cement 20.7%, oil well superfine cement 20.3%, two tungsten selenides 5%, nano silicon
3.1%, hollow glass microballoon 6.7%, early strength agent 1.4%, fluid loss agent 1.2%, dispersant 0.3%, microglass fiber
1.5%, silicate 7.3%, water 32.5%.
3. deep geothermal heat well low-temperature zone well cementation insulating cement slurry as claimed in claim 1, it is characterised in that：The silicate bag
Include active calcium silicate and sodium metasilicate or the mixture of active calcium silicate and magnesium silicate.
4. the preparation method of the deep geothermal heat well low-temperature zone well cementation insulating cement slurry described in any one of claims 1 to 3, its feature
It is：Comprise the following steps：
Step one：Oil-well cement, oil well superfine cement, two tungsten selenides, nano silicon, double glazing are separately added into order
Microballoon, early strength agent, fluid loss agent, dispersant and water, stirring obtain mixture to well mixed；
Step 2：Microglass fiber and silicate are sequentially added into the mixture described in step one, stirring is obtained to well mixed
Deep geothermal heat well low-temperature zone well cementation insulating cement slurry.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094091A (en) * | 2020-10-30 | 2020-12-18 | 成都欧美克石油科技股份有限公司 | Large-temperature-difference low-heat-conductivity cement slurry suitable for long-sealing-section well cementation |
| CN113429163A (en) * | 2021-06-17 | 2021-09-24 | 中国石油化工股份有限公司 | Cement composition for well cementation operation, cement slurry system and preparation method thereof |
| CN117659971A (en) * | 2024-01-31 | 2024-03-08 | 山东省地质矿产勘查开发局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | High-temperature-resistant cement slurry system for dry-hot rock cementing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986993A (en) * | 2015-06-04 | 2015-10-21 | 中国石油化工股份有限公司 | Low-heat-conduction cement mortar used for geothermal well formation and preparation method thereof |
| CN105199691A (en) * | 2014-06-23 | 2015-12-30 | 天津中油渤星工程科技有限公司 | Well cementation cement paste used for aquo-complex-containing stratum |
| CN105254227A (en) * | 2015-10-01 | 2016-01-20 | 中国石油集团西部钻探工程有限公司 | Heat preservation cement paste and preparation method thereof |
| CN105462571A (en) * | 2015-11-16 | 2016-04-06 | 中国石油大学(华东) | Low-temperature cementing slurry system and composition thereof |
-
2017
- 2017-05-16 CN CN201710344089.7A patent/CN107216071A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199691A (en) * | 2014-06-23 | 2015-12-30 | 天津中油渤星工程科技有限公司 | Well cementation cement paste used for aquo-complex-containing stratum |
| CN104986993A (en) * | 2015-06-04 | 2015-10-21 | 中国石油化工股份有限公司 | Low-heat-conduction cement mortar used for geothermal well formation and preparation method thereof |
| CN105254227A (en) * | 2015-10-01 | 2016-01-20 | 中国石油集团西部钻探工程有限公司 | Heat preservation cement paste and preparation method thereof |
| CN105462571A (en) * | 2015-11-16 | 2016-04-06 | 中国石油大学(华东) | Low-temperature cementing slurry system and composition thereof |
Non-Patent Citations (2)
| Title |
|---|
| 杨建峰 主编: "《世界之最》", 31 May 2014, 汕头大学出版社 * |
| 梁基照 主编: "《高分子复合材料传热学导论》", 31 March 2013, 华南理工大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094091A (en) * | 2020-10-30 | 2020-12-18 | 成都欧美克石油科技股份有限公司 | Large-temperature-difference low-heat-conductivity cement slurry suitable for long-sealing-section well cementation |
| CN113429163A (en) * | 2021-06-17 | 2021-09-24 | 中国石油化工股份有限公司 | Cement composition for well cementation operation, cement slurry system and preparation method thereof |
| CN117659971A (en) * | 2024-01-31 | 2024-03-08 | 山东省地质矿产勘查开发局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | High-temperature-resistant cement slurry system for dry-hot rock cementing |
| CN117659971B (en) * | 2024-01-31 | 2024-04-16 | 山东省地质矿产勘查开发局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | High-temperature-resistant cement slurry system for dry-hot rock cementing |
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Application publication date: 20170929 |