[go: up one dir, main page]

CN103980871A - Low-elastic-modulus temperature-resistant tough oil-well cement - Google Patents

Low-elastic-modulus temperature-resistant tough oil-well cement Download PDF

Info

Publication number
CN103980871A
CN103980871A CN201410236070.7A CN201410236070A CN103980871A CN 103980871 A CN103980871 A CN 103980871A CN 201410236070 A CN201410236070 A CN 201410236070A CN 103980871 A CN103980871 A CN 103980871A
Authority
CN
China
Prior art keywords
well cement
oil well
parts
elastic modulus
cement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410236070.7A
Other languages
Chinese (zh)
Inventor
高飞
宋元洪
钟福海
党冬红
和建勇
张玉平
陈�光
姚泊汗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Bohai Drilling Engineering Co Ltd
Original Assignee
CNPC Bohai Drilling Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNPC Bohai Drilling Engineering Co Ltd filed Critical CNPC Bohai Drilling Engineering Co Ltd
Priority to CN201410236070.7A priority Critical patent/CN103980871A/en
Publication of CN103980871A publication Critical patent/CN103980871A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/42Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/46Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
    • C09K8/467Compositions 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
    • C09K8/487Fluid loss control additives; Additives for reducing or preventing circulation loss
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a low-elastic-modulus temperature-resistant tough oil-well cement which comprises the following components in parts by weight: 100 parts of oil-well cement, 20-40 parts of silicon powder, 0-10 parts of silicon micropowder, 5-20 parts of rubber toughener, 0-2 parts of flow pattern regulator, 0-5 parts of fluid loss agent and 0-5 parts of retarder. The oil-well cement has low elastic modulus and high impact resistance in a high-temperature environment, and the thickening time and compression strength satisfy the well-cementing demand. The oil-well cement solves the problem of poor stress resistance, and can effectively prolong the service life of the oil well. The oil-well cement has stable performance at normal temperature and high temperature, and has the advantages of favorable rheological property and controllable thickening time; and the permeability by alite gasometry is lower than 0.05mD, and thus, the oil-well cement satisfies the requirement of gas storage field well-cementing for cement properties.

Description

A kind of temperature resistance toughness oil well cement of low elastic modulus
Technical field
The present invention relates to the oil well cement of oil and gas well cementation, especially a kind of temperature resistance toughness oil well cement of low elastic modulus.
Background technology
Well cementation is exactly carrying out effective sealing between the bunch tube being lowered in open hole section and stratum by certain means.Gas storage well construction demand amount increased rapidly in recent years, and the toughness cement that exploitation can effectively extend the gas storage well life-span, improves gas storage well cementing technology extremely urgent.
The current well cementation for gas storage well, the most frequently used is the cement slurry system that contains latex, its advantage is effectively to prevent has channeling and anticorrosion, but latex be introduced in the ultimate compression strength that has reduced to a certain extent Behavior of Hardened Cement Paste, the reduction of Young's modulus is not had to effect substantially, the most important thing is that latex cement performance is at high temperature extremely unstable, affect cementing quality, also affect oil well work-ing life.Elastomeric material has the features such as proportion is little, hardness is low, flexibility is good, wear-resisting, also has snappiness and certain visco-elasticity simultaneously, and the characteristic that rubber is had is incorporated in oil well cement, can meet the needs of gas storage well well cementation.Patent publication No. CN101857399 adopts coupling agent that coupling tackiness agent is put on to waste old surface, again by itself and cement mixing, the Behavior of Hardened Cement Paste of preparation has the features such as noise reduction, sound insulation, weather resistance are strong, patent publication No. CN101700970A has invented a kind of rubber-cement grouting material that is applied to half-flexible pavement, but this bi-material is only only applicable to the engineering construction under normal temperature and pressure, cannot meet the construction environment of well cementation oil well cement high temperature high pressure.Patent publication No. CN101519293 provides a kind of preparation method of rubber cement soil, but this material is only as in the geotechnical engineering fields such as roadbed or soil-baffling structure behind filler.High temperature resistance elastomeric material is incorporated in oil well cement system, prepares a kind of low elastic modulus, high strength, oil well cement paste that heat-resisting property is good, can meet present stage gas storage well well cementation demand.
Summary of the invention
Technical problem to be solved by this invention is, solves the anti-adaptability to changes of existing gas storage well cementing concrete poor, and gas storage well short problem in work-ing life provides a kind of temperature resistance toughness oil well cement of low elastic modulus.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of temperature resistance toughness oil well cement of low elastic modulus, comprises the component of following weight part: 100 parts of oil well cements, 20~40 parts of silica flours, 0~10 part of SILICA FUME, 5~20 parts of rubber toughening agents, 0~2 part of flow pattern regulator, 0~5 part of water retaining, 0~5 part of retardant.
Described oil well cement is G level oil well cement.
Described silica flour particle size range is 50~250 orders.
Described SILICA FUME particle size range 60~500 orders.
Described rubber toughening agent is the one or more combination in butadiene acrylonitrile rubber, hydrogenation butadiene acrylonitrile rubber silicon, terpolymer EP rubber, silicon rubber, viton, fluosilicic rubber and neoprene latex.
Described rubber toughening agent particle size range is 10~500 orders.
Described rubber toughening agent particle size range is 30~200 orders.
Described flow pattern regulator is the one or more combination in polyacrylamide, biological polymer XC, sodium hydroxyethyl cellulose and carboxymethyl hydroxyethyl cellulose sodium.
Described retardant is the one in multiple copolymer, organophosphate and the gluconic acid salt that contains carboxylic acid.
The invention has the beneficial effects as follows: can obviously improve the weathering resistance after oil well cement maintenance; The ultimate compression strength of oil well cement substantially constant or slightly reduce, Young's modulus significantly reduces; Within the scope of volume of the present invention, cement paste rheological is good, the lower stable mechanical property of Behavior of Hardened Cement Paste High Temperature High Pressure (130 DEG C, 30MPa).
Embodiment
The temperature resistance toughness oil well cement of low elastic modulus of the present invention, comprises the component of following weight part: 100 parts of oil well cements, 20~40 parts of silica flours, 0~10 part of SILICA FUME, 5~20 parts of rubber toughening agents, 0~2 part of flow pattern regulator, 0~5 part of water retaining, 0~5 part of retardant.
Described oil well cement is the G level oil well cement that meets GB10238-2005.
Described silica flour particle size range is 50~250 orders, D 50be 50~300 μ m.
Described SILICA FUME particle size range 60~500 orders, D 50be 5~50 μ m.
Described rubber toughening agent is the one or more combination in butadiene acrylonitrile rubber, hydrogenation butadiene acrylonitrile rubber silicon, terpolymer EP rubber, silicon rubber, viton, fluosilicic rubber and neoprene latex.
Described rubber toughening agent particle size range is 10~500 orders.
Described rubber toughening agent particle size range is 30~200 orders.
Described flow pattern regulator is the one or more combination in polyacrylamide, biological polymer XC, sodium hydroxyethyl cellulose and carboxymethyl hydroxyethyl cellulose sodium.
Described retardant is the one in multiple copolymer, organophosphate and the gluconic acid salt that contains carboxylic acid.
Below principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
The mortar architecture that experiment is used is as follows:
500g Jiajiang G level oil well cement+317mL water+150g silica flour+25g SILICA FUME+25g rubber toughening agent+5g HPAM+4.0g GH-9+5.2g G-33S.
Rubber toughening agent is provided by Tianjin extraordinary splendor rubber company limited, and specification is the assorted silica gel of 150 orders; GH-9 is high temperature retarder, and North China is studied intensively institute and produced; G-33S is water retaining, and is produced from Henan Weihui City; HPAM is anionic polyacrylamide, and the place of production is the prosperous light in Hebei.
Above-mentioned materials is weighed, the in the situation that of high-speed stirring, various solid phase materials are mixed and stirred, test water mud traditional performance.Then slurry is poured into Behavior of Hardened Cement Paste and made in mould, maintenance 2d in high temperature and pressure protective cauldron, curing condition is 130 DEG C and 30MPa, test Mechanical Behavior of Hardened Cement Paste (130 DEG C) after taking out.
The grout traditional performance of table 1 embodiment 1
The rubber solution mudstone of table 2 embodiment 1 and the contrast of common hardened oilwell cement mechanical property
At 130 DEG C, test adds the Mechanical Behavior of Hardened Cement Paste of 5% rubber toughening agent, and ultimate compression strength almost constant, Young's modulus reduces by 17.1%.
Embodiment 2
The mortar architecture that experiment is used is as follows:
500g Jiajiang G level oil well cement+317mL water+150g silica flour+25g SILICA FUME+50g rubber toughening agent+5g HPAM+4.0g GH-9+5.2g G-33S.
Above-mentioned materials is weighed, the in the situation that of high-speed stirring, various solid phase materials are mixed and stirred, test water mud traditional performance.Then slurry is poured into Behavior of Hardened Cement Paste and made in mould, maintenance 2d in high temperature and pressure protective cauldron, curing condition is 130 DEG C and 30MPa, test Mechanical Behavior of Hardened Cement Paste (130 DEG C) after taking out.
The grout traditional performance of table 3 embodiment 2
The rubber solution mudstone of table 4 embodiment 2 and the contrast of common hardened oilwell cement mechanical property
At 130 DEG C, test adds the Mechanical Behavior of Hardened Cement Paste of 10% rubber toughening agent, and ultimate compression strength is in a slight decrease, but can meet well cementation demand, and Young's modulus reduction exceedes 40%.
Embodiment 3
The mortar architecture that experiment is used is as follows:
500g Jiajiang G level oil well cement+317mL water+150g silica flour+25g SILICA FUME+75g rubber toughening agent+5g HPAM+4.0g GH-9+5.2g G-33S.
Above-mentioned materials is weighed, the in the situation that of high-speed stirring, various solid phase materials are mixed and stirred, test water mud traditional performance.Then slurry is poured into Behavior of Hardened Cement Paste and made in mould, maintenance 2d in high temperature and pressure protective cauldron, curing condition is 130 DEG C and 30MPa, test Mechanical Behavior of Hardened Cement Paste (130 DEG C) after taking out.
The grout traditional performance of table 5 embodiment 3
The rubber solution mudstone of table 6 embodiment 3 and the contrast of common hardened oilwell cement mechanical property
At 130 DEG C, test adds the Mechanical Behavior of Hardened Cement Paste of 15% rubber toughening agent, and ultimate compression strength has reduction by a relatively large margin, and Young's modulus reduction exceedes 50%.
In sum, content of the present invention is not limited in the above-described embodiment, and the knowledgeable people in same area can propose easily other embodiment within technical director's thought of the present invention, but this embodiment comprises within the scope of the present invention.

Claims (9)

1. the temperature resistance toughness oil well cement of a low elastic modulus, it is characterized in that, comprise the component of following weight part: 100 parts of oil well cements, 20~40 parts of silica flours, 0~10 part of SILICA FUME, 5~20 parts of rubber toughening agents, 0~2 part of flow pattern regulator, 0~5 part of water retaining, 0~5 part of retardant.
2. the temperature resistance toughness oil well cement of low elastic modulus according to claim 1, is characterized in that, described oil well cement is G level oil well cement.
3. the temperature resistance toughness oil well cement of low elastic modulus according to claim 1, is characterized in that, described silica flour particle size range is 50~250 orders.
4. the temperature resistance toughness oil well cement of low elastic modulus according to claim 1, is characterized in that, described SILICA FUME particle size range 60~500 orders.
5. the temperature resistance toughness oil well cement of low elastic modulus according to claim 1, it is characterized in that, described rubber toughening agent is the one or more combination in butadiene acrylonitrile rubber, hydrogenation butadiene acrylonitrile rubber silicon, terpolymer EP rubber, silicon rubber, viton, fluosilicic rubber and neoprene latex.
6. the temperature resistance toughness oil well cement of low elastic modulus according to claim 1 or 5, is characterized in that, described rubber toughening agent particle size range is 10~500 orders.
7. the temperature resistance toughness oil well cement of low elastic modulus according to claim 6, is characterized in that, described rubber toughening agent particle size range is 30~200 orders.
8. the temperature resistance toughness oil well cement of low elastic modulus according to claim 1, is characterized in that, described flow pattern regulator is the one or more combination in polyacrylamide, biological polymer XC, sodium hydroxyethyl cellulose and carboxymethyl hydroxyethyl cellulose sodium.
9. the temperature resistance toughness oil well cement of low elastic modulus according to claim 1, is characterized in that, described retardant is the one in multiple copolymer, organophosphate and the gluconic acid salt that contains carboxylic acid.
CN201410236070.7A 2014-05-29 2014-05-29 Low-elastic-modulus temperature-resistant tough oil-well cement Pending CN103980871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410236070.7A CN103980871A (en) 2014-05-29 2014-05-29 Low-elastic-modulus temperature-resistant tough oil-well cement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410236070.7A CN103980871A (en) 2014-05-29 2014-05-29 Low-elastic-modulus temperature-resistant tough oil-well cement

Publications (1)

Publication Number Publication Date
CN103980871A true CN103980871A (en) 2014-08-13

Family

ID=51273046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410236070.7A Pending CN103980871A (en) 2014-05-29 2014-05-29 Low-elastic-modulus temperature-resistant tough oil-well cement

Country Status (1)

Country Link
CN (1) CN103980871A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104371678A (en) * 2014-11-06 2015-02-25 中国石油天然气集团公司 Expanded flexible well cementing grout and preparation method thereof
CN104650836A (en) * 2014-12-22 2015-05-27 中国石油集团川庆钻探工程有限公司长庆固井公司 Horizontal well cement paste
CN104774601A (en) * 2015-04-10 2015-07-15 中国石油大学(华东) Gypsum microspheres and low elasticity modulus expansion well cementation cement system
CN105154041A (en) * 2015-07-27 2015-12-16 中国石油集团渤海钻探工程有限公司 Oil well cement flexibilizer
CN105254226A (en) * 2015-10-01 2016-01-20 中国石油集团西部钻探工程有限公司 Elastic cement paste and preparation method thereof
CN106010489A (en) * 2016-05-30 2016-10-12 葛洲坝石门特种水泥有限公司 Ultrafine low-density cement mortar and production method thereof
CN106278003A (en) * 2015-06-10 2017-01-04 嘉华特种水泥股份有限公司 A kind of toughness oil-well cement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103119123A (en) * 2011-07-11 2013-05-22 埃尔凯姆有限公司 Oil well drilling fluids, oil well cement composition, and slurry of weighting material comprising ilmenite
CN103305197A (en) * 2013-06-08 2013-09-18 西南石油大学 Cement paste toughening agent and application of cement paste toughening agent in preparation of cementing flexible cement paste
CN103571446A (en) * 2012-07-20 2014-02-12 中国石油化工股份有限公司 Low-density oil well cement additive, and preparation method and applications thereof
CN103740347A (en) * 2013-12-06 2014-04-23 中国石油集团渤海钻探工程有限公司 High performance calcium aluminate oil well cement
CN103756656A (en) * 2013-12-24 2014-04-30 中国石油集团渤海钻探工程有限公司 Static gelatinous leaking stoppage liquid for stopping vicious leakage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103119123A (en) * 2011-07-11 2013-05-22 埃尔凯姆有限公司 Oil well drilling fluids, oil well cement composition, and slurry of weighting material comprising ilmenite
CN103571446A (en) * 2012-07-20 2014-02-12 中国石油化工股份有限公司 Low-density oil well cement additive, and preparation method and applications thereof
CN103305197A (en) * 2013-06-08 2013-09-18 西南石油大学 Cement paste toughening agent and application of cement paste toughening agent in preparation of cementing flexible cement paste
CN103740347A (en) * 2013-12-06 2014-04-23 中国石油集团渤海钻探工程有限公司 High performance calcium aluminate oil well cement
CN103756656A (en) * 2013-12-24 2014-04-30 中国石油集团渤海钻探工程有限公司 Static gelatinous leaking stoppage liquid for stopping vicious leakage

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
万仁溥: "《采油工程技术手册(上册)》", 30 August 2000 *
宋少民: "橡胶粉改性的高韧性混凝土研究", 《混凝土与水泥制品》 *
李早元: "提高油井水泥环力学形变能力的途径及其作用机理研究", 《石油钻探技术》 *
李早元: "改善油井水泥石塑性及室内评价方法研究", 《天然气工业》 *
李早元: "橡胶粉对油井水泥石力学性能的影响", 《石油钻探技术》 *
董事尔: "《土木工程材料》", 30 December 2011, 中国水利水电出版社 *
魏涛: "《油气井固井质量测井评价》", 31 July 2010 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104371678A (en) * 2014-11-06 2015-02-25 中国石油天然气集团公司 Expanded flexible well cementing grout and preparation method thereof
CN104650836A (en) * 2014-12-22 2015-05-27 中国石油集团川庆钻探工程有限公司长庆固井公司 Horizontal well cement paste
CN104650836B (en) * 2014-12-22 2018-02-06 中国石油集团川庆钻探工程有限公司长庆固井公司 A kind of horizontal cementing slurry for well
CN104774601A (en) * 2015-04-10 2015-07-15 中国石油大学(华东) Gypsum microspheres and low elasticity modulus expansion well cementation cement system
CN106278003A (en) * 2015-06-10 2017-01-04 嘉华特种水泥股份有限公司 A kind of toughness oil-well cement
CN105154041A (en) * 2015-07-27 2015-12-16 中国石油集团渤海钻探工程有限公司 Oil well cement flexibilizer
CN105254226A (en) * 2015-10-01 2016-01-20 中国石油集团西部钻探工程有限公司 Elastic cement paste and preparation method thereof
CN106010489A (en) * 2016-05-30 2016-10-12 葛洲坝石门特种水泥有限公司 Ultrafine low-density cement mortar and production method thereof

Similar Documents

Publication Publication Date Title
CN103980871A (en) Low-elastic-modulus temperature-resistant tough oil-well cement
CN103880372B (en) For the cement based grouting material of reinforcing and repairing, its preparation method and application thereof
CA2600959C (en) Low density cements for use in cementing operations
CN101269943B (en) High-strength grout containing superfines and preparing method
US7607483B2 (en) Sealant compositions comprising colloidally stabilized latex and methods of using the same
CA2851539C (en) Slag compositions comprising latex and methods of use
EP2164918B1 (en) Oil-well cement fluid loss additive composition
US20080066654A1 (en) Low density cements for use in cementing operations
CA2788620C (en) Use of csh suspensions in well cementing
CN102924014A (en) Binding mortar with light weight and high droop resistance and preparation and use methods
CN103740352A (en) Expansion oil well cement with temperature resistance
CN104072007B (en) Superfine mineral micro powder grouting agent for duct grouting
CN105255463A (en) Elastic-plastic minimum inflation well cement slurry and preparation method thereof
CN104261749A (en) Cement based material with strong expanding performance and applications thereof
CN104291733B (en) Toughness reinforcing anti-migration agent and the toughness reinforcing cement of shale gas horizontal cementing for cement
CN101445342B (en) Concrete material for reinforcing high-performance structure project, preparation method and use thereof
CN111072296A (en) A fast-setting filling cementitious material
CN107382208B (en) Quick-setting early strength mixed slurry
CN105238376A (en) Elastic anti-channeling cement slurry and preparation method thereof
CN114773010A (en) Steel slag composite material for 3D printing, preparation method and application thereof
CN107651899B (en) Grading method of machine-made sand for dry-mixed mortar and prepared dry-mixed mortar
US9409820B2 (en) Use of CSH suspensions in well cementing
CN108623228A (en) A kind of seawater corrosion resistance inorganic structure fluid sealant and preparation method thereof
CN101182169A (en) Low-grade machine-made sand hectometer-height pumping concrete
JP5006857B2 (en) Tunnel void filling method and filling composition

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140813

WD01 Invention patent application deemed withdrawn after publication