CN106566515A - Preparation method of heavy oil thermal recovery well clay swelling inhibitor - Google Patents

Preparation method of heavy oil thermal recovery well clay swelling inhibitor Download PDF

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Publication number
CN106566515A
CN106566515A CN201610829243.5A CN201610829243A CN106566515A CN 106566515 A CN106566515 A CN 106566515A CN 201610829243 A CN201610829243 A CN 201610829243A CN 106566515 A CN106566515 A CN 106566515A
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CN
China
Prior art keywords
parts
clay swelling
preparation
mass
thermal recovery
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
CN201610829243.5A
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Chinese (zh)
Inventor
吴捷
宋远飞
孙蓬勃
郑观辉
张久生
张志良
刘国华
伍晓妮
田华
于兰春
乞迎安
付标
杨晓硕
刘波
宫鹏骐
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CNPC Great Wall Drilling Co
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CNPC Great Wall Drilling Co
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 Great Wall Drilling Co filed Critical CNPC Great Wall Drilling Co
Priority to CN201610829243.5A priority Critical patent/CN106566515A/en
Publication of CN106566515A publication Critical patent/CN106566515A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/592—Compositions used in combination with generated heat, e.g. by steam injection
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/02—Polycondensates containing more than one epoxy group per molecule
    • C08G59/10—Polycondensates containing more than one epoxy group per molecule of polyamines with epihalohydrins or precursors thereof
    • 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
    • C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
    • 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
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/86—Compositions based on water or polar solvents containing organic compounds
    • C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/885—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

The invention relates to the technical field of clay swelling inhibition, and especially relates to a preparation method of a heavy oil thermal recovery well clay swelling inhibitor. The method comprises the following steps: 1, adding 4 parts by mass of polyethylene polyamine and 11 parts by mass of water into a closed reaction kettle, uniformly stirring the polyethylene polyamine and the water for 30 min, and heating the obtained solution to 50 DEG C; 2, adding 3 parts by mass of epichlorohydrin into the closed reaction kettle, uniformly stirring the heated solution and the epichlorohydrin for 1 h, heating the obtained solution to 70 DEG C, carrying out a reaction for 4 h, and cooling the obtained reaction product to 20 DEG C; and 3, adding 2 parts by mass of potassium chloride into the closed reaction kettle, and uniformly stirring the cooled reaction product and the potassium chloride for 1 h to prepare the clay swelling inhibitor. The clay swelling inhibitor still can inhibit clay swelling in steam injection working high temperature environment, meets heavy oil thermal recovery well steam soaking temperature environment requirements, and has the advantages of good high temperature resistance, prevention of clay migration, simple preparation method, convenience in onsite use, and guaranteeing of the thermal recovery well steam injection effect and the stable output.

Description

A kind of preparation method of thick oil thermal extraction anti-clayswelling agent
Technical field：
The present invention relates to anti-clayswelling technical field, more particularly to a kind of preparation side of thick oil thermal extraction anti-clayswelling agent Method.
Background technology：
Adopting steam soak for main mining type viscous crude, super-viscous oil at present more.Because part heavy oil wells block stratum is glued Native content height (20% or so), and steam injection amount is big in thermal process, steam injection round is more, generally existing clay swell, migration Phenomenon, clay particle is blocked and produces liquid passage, reduces permeability, causes steam injection pressure high or note does not enter vapour, oil well oil-producing, product liquid Amount declines or does not produce the oil well production problem such as liquid.Conventional clay expansion-resisting agent fails easily under steam injection hot conditions, while being difficult to solve Certainly clay antimigration problem.
The content of the invention：
The technical problem to be solved in the present invention is to provide a kind of preparation method of thick oil thermal extraction anti-clayswelling agent, the clay Expansion-resisting agent is realized under steam injection operation hot environment, can still suppress clay swell, meets thick oil thermal extraction steam soak temperature Degree environmental requirement, resistance to elevated temperatures is good, it is to avoid clay is migrated, and preparation method is simple, and onsite application is convenient, ensures thermal production well steam injection Effect and stable yield.Overcome existing anti-clayswelling agent to fail easily under steam injection hot conditions, while be difficult to solution clay preventing The deficiency of migration problem.
The technical solution used in the present invention is：A kind of preparation method of thick oil thermal extraction anti-clayswelling agent, the method step It is rapid as follows：
The water of the polyethylene polyamine and 11 parts of mass components that the first, take 4 parts of mass components adds closed reactor, uniform stirring 30min, is heated up to 50 DEG C；
2nd, the epoxychloropropane for taking 3 parts of mass components is added in closed reactor, and uniform stirring 1h is warming up to 70 DEG C, instead After answering 4h, 20 DEG C are cooled to；
3rd, the potassium chloride for taking 2 parts of mass components is added in closed reactor, and uniform stirring 1h, preparation is finished.
The invention has the beneficial effects as follows：Anti-clayswelling agent prepared by the present invention can be with steam injection operation hot environment, still Suppress clay swell, meet the requirement of thick oil thermal extraction steam soak temperature environment, resistance to elevated temperatures is good, it is to avoid clay is migrated, system Preparation Method is simple, and onsite application is convenient, ensures thermal production well steam injection efficiency and stable yield.
Specific embodiment：
A kind of preparation method of thick oil thermal extraction anti-clayswelling agent, the method step is as follows：
The water of the polyethylene polyamine and 11 parts of mass components that the first, take 4 parts of mass components adds closed reactor, uniform stirring 30min, is heated up to 50 DEG C；
2nd, the epoxychloropropane for taking 3 parts of mass components is added in closed reactor, and uniform stirring 1h is warming up to 70 DEG C, instead After answering 4h, 20 DEG C are cooled to；
3rd, the potassium chloride for taking 2 parts of mass components is added in closed reactor, and uniform stirring 1h, preparation is finished.
Using the anti-clayswelling agent of present invention preparation when thick oil thermal extraction scene is injected, reservoir underground is by spheroid process Radius calculation, individual well expansion-resisting agent design volume consumption is calculated according to following computing formula：
Q=(4 π/3) * a*b*c* Φ
Wherein：Q is expansion-resisting agent design flow (m3)；A, b, c are the axial length (m) of spheroid half；Φ is formation porosity.
Before the injection stratum of scene, according to mass ratio 1:2 mix with water, using 700 type cement pump trucks from flow string Interior injection, injection period observation pressure change, opening well and making production after closing well reacts 24 hours after injection.
Embodiment 1：Vigorously -3A wells day oil-producing 0.3t, produced liquid daily before the anti-clayswelling agent prepared using the present invention 18.5m3, in anti-clayswelling agent solution 300m prepared by the joyous -3A wells injection present invention3, closing well produces after 24 hours, day oil-producing 1.1t, produces liquid 36.4m daily3, day oil-producing, daily fluid production rate significantly improve, measure is effective.
Embodiment 2：Vigorously -3B wells day oil-producing 0.2t, produced liquid daily before the anti-clayswelling agent prepared using the present invention 14.3m3, in anti-clayswelling agent solution 350m prepared by the joyous -3B wells injection present invention3, closing well produces after 24 hours, day oil-producing 1.4t, produces liquid 27.4m daily3, day oil-producing, daily fluid production rate significantly improve, measure is effective.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out Modification or equivalent, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it It is interior.

Claims (1)

1. a kind of preparation method of thick oil thermal extraction anti-clayswelling agent, it is characterised in that：The method step is as follows：
The water of the polyethylene polyamine and 11 parts of mass components that the first, take 4 parts of mass components adds closed reactor, uniform stirring 30min, is heated up to 50 DEG C；
2nd, the epoxychloropropane for taking 3 parts of mass components is added in closed reactor, and uniform stirring 1h is warming up to 70 DEG C, reacts 4h Afterwards, 20 DEG C are cooled to；
3rd, the potassium chloride for taking 2 parts of mass components is added in closed reactor, and uniform stirring 1h, preparation is finished.
CN201610829243.5A 2016-09-18 2016-09-18 Preparation method of heavy oil thermal recovery well clay swelling inhibitor Pending CN106566515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610829243.5A CN106566515A (en) 2016-09-18 2016-09-18 Preparation method of heavy oil thermal recovery well clay swelling inhibitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610829243.5A CN106566515A (en) 2016-09-18 2016-09-18 Preparation method of heavy oil thermal recovery well clay swelling inhibitor

Publications (1)

Publication Number Publication Date
CN106566515A true CN106566515A (en) 2017-04-19

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CN201610829243.5A Pending CN106566515A (en) 2016-09-18 2016-09-18 Preparation method of heavy oil thermal recovery well clay swelling inhibitor

Country Status (1)

Country Link
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103087691A (en) * 2011-10-28 2013-05-08 中国石油化工股份有限公司 Polyamine strong inhibitor for drilling fluid, and preparation method thereof
CN103113861A (en) * 2013-03-04 2013-05-22 中国海洋石油总公司 Suppressant for drilling fluid and preparation method thereof
CN104017208A (en) * 2014-06-10 2014-09-03 成都佰椿石油科技有限公司 Shale polyamine film formation inhibitor as well as preparation method thereof
CN104388065A (en) * 2014-09-25 2015-03-04 中国石油天然气集团公司 Oil-base imitating drilling fluid with characteristics of strong inhibition, strong blocking and high lubricity
CN105038738A (en) * 2015-07-14 2015-11-11 中国石油天然气集团公司 High-temperature resistant efficient mud shale inhibitor for drilling fluid and preparation method therefor
CN105086955A (en) * 2015-08-27 2015-11-25 中国石油集团渤海钻探工程有限公司 Polyamine inhibitor for water-based drilling fluid and method for preparing polyamine inhibitor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103087691A (en) * 2011-10-28 2013-05-08 中国石油化工股份有限公司 Polyamine strong inhibitor for drilling fluid, and preparation method thereof
CN103113861A (en) * 2013-03-04 2013-05-22 中国海洋石油总公司 Suppressant for drilling fluid and preparation method thereof
CN104017208A (en) * 2014-06-10 2014-09-03 成都佰椿石油科技有限公司 Shale polyamine film formation inhibitor as well as preparation method thereof
CN104388065A (en) * 2014-09-25 2015-03-04 中国石油天然气集团公司 Oil-base imitating drilling fluid with characteristics of strong inhibition, strong blocking and high lubricity
CN105038738A (en) * 2015-07-14 2015-11-11 中国石油天然气集团公司 High-temperature resistant efficient mud shale inhibitor for drilling fluid and preparation method therefor
CN105086955A (en) * 2015-08-27 2015-11-25 中国石油集团渤海钻探工程有限公司 Polyamine inhibitor for water-based drilling fluid and method for preparing polyamine inhibitor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
连经社 等: "《油田化学应用技术》", 30 April 2007, 中国石油大学出版社 *

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Application publication date: 20170419