[go: up one dir, main page]

CN106867499A - Fracturing fluid composition with delayed crosslinking under ultra-high temperature environment - Google Patents

Fracturing fluid composition with delayed crosslinking under ultra-high temperature environment Download PDF

Info

Publication number
CN106867499A
CN106867499A CN201710202496.4A CN201710202496A CN106867499A CN 106867499 A CN106867499 A CN 106867499A CN 201710202496 A CN201710202496 A CN 201710202496A CN 106867499 A CN106867499 A CN 106867499A
Authority
CN
China
Prior art keywords
weight
fracturing fluid
parts
fluid composition
optionally
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.)
Granted
Application number
CN201710202496.4A
Other languages
Chinese (zh)
Other versions
CN106867499B (en
Inventor
范淼
王勃
张方凯
刘晟
化京衡
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.)
Beijing Clear Water Land Oilfield Services Co ltd
Original Assignee
Beijing Clear Water Land Oilfield Services 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 Beijing Clear Water Land Oilfield Services Co ltd filed Critical Beijing Clear Water Land Oilfield Services Co ltd
Priority to CN201710202496.4A priority Critical patent/CN106867499B/en
Publication of CN106867499A publication Critical patent/CN106867499A/en
Application granted granted Critical
Publication of CN106867499B publication Critical patent/CN106867499B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/62—Compositions for forming crevices or fractures
    • C09K8/66—Compositions based on water or polar solvents
    • C09K8/68—Compositions based on water or polar solvents containing organic compounds
    • C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
    • 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
    • C09K8/605—Compositions for stimulating production by acting on the underground formation containing biocides
    • 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
    • C09K8/607—Compositions for stimulating production by acting on the underground formation specially adapted for clay formations
    • C09K8/608—Polymer compositions
    • 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
    • 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
    • C09K8/887—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
    • 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
    • C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
    • 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
    • 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
    • C09K2208/26—Gel breakers other than bacteria or enzymes

Landscapes

  • 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)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a fracturing fluid composition for delaying crosslinking in an ultrahigh-temperature environment, which comprises a vegetable gum thickening agent, a delaying crosslinking agent, a fracturing auxiliary agent and water, wherein the delaying crosslinking agent is prepared by reacting raw materials comprising trivalent and above metal ester, glyoxal, glycerol and polyethylene polyamine. The fracturing fluid composition can form stable, uniform and suspensible fracturing fluid gel, the time for forming the gel by crosslinking the fracturing fluid can be delayed, and the delay time can be controlled within the range of 3-10 minutes. The jelly viscosity obtained by delaying the crosslinking system is kept above 100mPas at the temperature of 180 ℃ and above. The polymer dosage and the cross-linking agent dosage of the fracturing fluid composition are obviously lower than those of a conventional high-temperature fracturing fluid system, so that the stratum damage of the fracturing fluid is greatly reduced, and the construction cost is greatly reduced.

Description

Delayed crosslinked fracturing fluid compositions under hyperthermal environments
Technical field
The present invention relates to a kind of fracturing fluid compositions, more particularly to one kind can delayed crosslinked pressure break under hyperthermal environments Liquid composition.
Background technology
With the world to demand for energy be continuously increased and exploration engineering progress, Oil And Gas Exploration And Development constantly to Develop in depth and breadth, increasing main exploration target is presented the trend sunk comprehensively.Well depth is more than 4500m, temperature more than 170 DEG C abnormal high temperature deep-well quantity it is increasing, the HTHP of deep strata brings many difficulties to oil-gas Layer transformation.
Adapt to more than 180 DEG C high temperature resistant fracturing fluid shortage, and superhigh temperature reservoir FRACTURING DESIGN theory and technology A series of problems, such as not matching has become " bottleneck " that restriction abnormal high temperature deep-well oilfield prospecting developing realizes benefit.It is existing Fracturing fluid under hot environment forms crosslinked fracturing fluid jelly system with the organic acid esters of high volence metal ion as crosslinking agent.It is high Although the organic acid esters of valence metal ion can meet the ground environment in 180 DEG C and temperatures above as crosslinking agent in theory Thermally-stabilised requirement, but existing high temperature fracture liquid has that temperature resistant capability deficiency, plastic do not postpone and chemical agent consumption, So as to cause fracturing fluid to be taken, husky less able, operational security is poor, equipment is complicated and construction cost is high.Especially because existing friendship Join the fault of construction of agent, cause metal ion in crosslinking agent to be concentrated in early stage and discharge, it is impossible to make metal ion with entering well ring The change in border synchronizes release, so that fracturing fluid had just formed crosslinking before downhole formation is transported to so that pump Pressurization pressure is increased.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the invention, without answering In being considered as recognizing or imply in any form that the information structure has been the prior art well known to persons skilled in the art.
The content of the invention
In order to overcome defect of the prior art, the invention provides a kind of fracturing fluid compositions.The fracturing fluid compositions The time for being cross-linked to form frozen glue can postpone so that pumping pressure of the fracturing fluid compositions during shaft bottom is delivered to reduces； And the polymer volume and dosage of crosslinking agent in the fracturing fluid compositions are substantially less than the phase in conventional high temperature fracturing fluid system Application amount, while injury of the greatly reduction fracturing fluid to stratum, is greatly lowered construction cost.
For achieving the above object, the invention provides following technical scheme：
A kind of fracturing fluid compositions, including natural plant gum thickener, delayed crosslinker, fracturing aid and water, wherein described prolong Slow crosslinking agent is by the raw material reaction including metal ester compound more than trivalent and trivalent, glyoxal, glycerine and polyethylene polyamine Into.
Above-mentioned fracturing fluid compositions in the implementation of another possibility, including：It is 0.2-0.8 weight portions, optional The natural plant gum thickener of 0.3-0.6 weight portions；The delay crosslinking of 0.1-0.6 weight, optional 0.2-0.4 weight portions Agent；The water of 0.2-8 weight portions, the fracturing aid of optional 0.5-3.8 weight portions and 100 weight portions.
In the implementation of another possibility, the natural plant gum thickener is improved plant to above-mentioned fracturing fluid compositions Glue thickener, it includes guar gum, HPG (HPG), CMHPG (CMHPG), sesbania gum, hydroxypropyl One or more in base sesbania gum, carboxy-methyl hydroxy propyl sesbania gum；Alternatively, natural plant gum thickener is carboxy-methyl hydroxy propyl melon That glue.
In the implementation of another possibility, the delayed crosslinker is by trivalent and trivalent for above-mentioned fracturing fluid compositions More than metal ester compound, glyoxal, glycerine and polyethylene polyamine add water after mixing and forming homogeneous phase, heating response is formed. The weight ratio of optional, more than the trivalent and trivalent metal ester compound, glyoxal, glycerine and polyethylene polyamine is 1：1-4： 1-4：1-4, is chosen as 1：2-4：2-4：2-4, is further chosen as 1：3：2.5：3.5.
Above-mentioned fracturing fluid compositions add water in the implementation of another possibility when delayed crosslinker is reacted Deionized water is chosen as, the purpose for adding water is intended merely to make more than trivalent and trivalent metal ester compound, glyoxal, glycerine and many Ethylene polyamine is well mixed to form homogeneous phase, therefore the amount of water can form homogeneous phase.
In the implementation of another possibility, the delayed crosslinker is by trivalent and trivalent for above-mentioned fracturing fluid compositions More than metal ester compound, glyoxal, glycerine and polyethylene polyamine add water after mixing and forming homogeneous phase, airtight heating reaction, Heating-up temperature is 80-150 DEG C, and the reaction time is 2-7 hours；Optionally, heating-up temperature is 80-90 DEG C, and the reaction time is 6 small When；Optionally, reaction temperature is 140-150 DEG C, and the reaction time is 3 hours.
In the implementation of another possibility, the metal ester compound includes the esterification of chromium to above-mentioned fracturing fluid compositions One or more in thing, the carboxylate of zirconium, the carboxylate of titanium, it is chosen as the carboxylate of zirconium or the carboxylate of titanium；The chromium Carboxylate can be triisopropyl chromium (III) acid esters；The carboxylate of the zirconium can be tetra isopropyl zirconate, four n-propyl zirconiums One or more in acid esters, tetra-n-butyl zirconate；The carboxylate of the titanium can be tetra isopropyl titanate, four n-propyls One or more in titanate esters, tetra-n-butyl titanate esters, diacetyl acetonyl titanate esters.
Above-mentioned fracturing fluid compositions in the implementation of another possibility, the polyethylene polyamine include ethylenediamine, Diethylenetriamine, triethylene tetramine, TEPA, one or more in pentaethylene hexamine；It is chosen as ethylenediamine, triethylene The mixture of tetramine and pentaethylene hexamine, its mixed proportion is mass ratio 1:0.01-5:0.01-3.5, is chosen as mass ratio 1:2: 1.5。
In the implementation of another possibility, the fracturing aid includes bactericide, breaks above-mentioned fracturing fluid compositions One or more in jelly, clay stabilizer, pH adjusting agent and cleanup additive.
Above-mentioned fracturing fluid compositions in the implementation of another possibility, relative to 100 weights in fracturing fluid compositions Measure the water of part：
The content of the bactericide can be 0-0.7 weight portions, be chosen as 0.05-0.7 weight portions, further be chosen as 0.1-0.3 weight portions；
The content of the gel breaker can be 0-0.3, be chosen as 0.01-0.3 weight portions, further be chosen as 0.1-0.2 Weight portion；
The content of the clay stabilizer can be 0-4, be chosen as 0.04-4 weight portions, further be chosen as 0.1-2 weights Amount part；
The content of the pH adjusting agent can be 0-1 weight portions, be chosen as 0.05-1 weight portions, further be chosen as 0.1- 0.3 weight portion；
The content of the cleanup additive can be 0-2 weight portions, be chosen as 0.05-2 weight portions, further be chosen as 0.1-1 Weight portion.
In the implementation of another possibility, optional bactericide is formaldehyde, glutaraldehyde to above-mentioned fracturing fluid compositions With one or more in quaternary ammonium salt；Optional gel breaker be one kind in potassium peroxydisulfate, ammonium persulfate and capsule breaker or It is various, wherein the material that the capsule breaker is well known to those skilled in the art, i.e. capsule breaker are by with over cure Sour potassium or ammonium persulfate are kernel, and the organic compound film such as external sheath paraffin is prepared from realizing sustained release effect；Can The clay stabilizer of choosing is one or more in potassium chloride, ammonium chloride and quaternary clay stabilizer, wherein, the quaternary ammonium Salt form clay stabilizer can be for Choline Chloride (chlorination 2- ethoxys trimethylammonium), tetramethyl ammonium chloride, polyquaternium (such as ClayMaster-5C one or more in)；The optional pH adjusting agent can for sodium carbonate, potassium carbonate NaOH and/ Or potassium hydroxide；The optional cleanup additive can be aliphatic alcohol polyether compound and/or aliphatic alcohol polyether cation compound, Wherein, the aliphatic alcohol polyether compound can be NE-940 or FlowGas-M, and the aliphatic alcohol polyether cation compound can Think CNE-202.
In the implementation of another possibility, the water in fracturing fluid compositions is without specific for above-mentioned fracturing fluid compositions Limit, can be natural water and artificial water processed, for example, natural water can be river, lake, atmospheric water, seawater and underground water etc., And manually water processed can hydrogen-oxygen atom is combined the water that obtains by chemical reaction, for example, artificial water processed can be distilled water, Deionized water or heavy water.
Compared with prior art, the present invention has the advantages that：
The present invention is focused on to metal ion for the defect of traditional organic acid esters chelated metal ions crosslinked fracturing fluid Release behavior and its control principle, enter the change that the liter during well is gently persistently sheared according to fracturing fluid, design using aldehyde, Alcohol, polyethylene polyamine reaction gained chelate structure chelated metal ions, formation are realized controllable with system intensification and lasting shearing The metal ion-chelant system of release, so as to realize that fracturing fluid is entirely entering large span temperature range during sand is taken in well and operation Interior viscosity stabilization.
Fracturing fluid compositions in the present invention can form stabilization, the homogeneous, fracturing fluid gel that can hang, and fracturing fluid The time for being cross-linked to form frozen glue can postpone, and time delay was can be controlled in the range of 3-10 minutes.In 160-180 DEG C and temperatures above Under, retarding crosslinked system gained frozen glue viscosity is maintained at more than 100mPas, meets Chinese SY/T6376-2008 standards, meets pressure Split site operation requirement.The polymer volume and dosage of crosslinking agent of the fracturing fluid compositions in the present invention are substantially less than conventional high temperature Phase application amount in fracturing fluid system, while greatly reducing fracturing fluid to formation damage, is greatly lowered construction cost.
Brief description of the drawings
Fig. 1-5 is respectively the test case of the frozen glue of fracturing fluid compositions formation in embodiment of the present invention 1-5, is used in figure Biaxial coordinates, transverse axis X is the testing time, and the left longitudinal axis is apparent viscosity eta, and the right longitudinal axis is that shearing and temperature are shared.In Fig. 1 The lines of apparent viscosity, temperature and shearing are marked out, Fig. 2-Fig. 4 can be by that analogy.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the invention is described in detail, it is to be understood that guarantor of the invention Shield scope is not limited by specific embodiment.
In following examples of the present invention, modified plant gum thickener CMHPG WGA-5, modified plant gum Thickener carboxy-methyl hydroxy propyl sesbania gum CGA-7, bactericide BioClear-1000 come from Vad good fortune international corporation.
In following examples of the present invention, polyquarternium-type clay stabilizer ClayMaster-5C, quaternary clay stabilization Agent ClayTreat-3C, cleanup additive aliphatic alcohol polyether compound (FlowGas), cleanup additive aliphatic alcohol polyether cation compound NE-118, cleanup additive aliphatic alcohol polyether compound NE-940 come from Baker Hughes Inc.
In following examples of the present invention, postpone cross-linking regulator CTD (50% sorbitol aqueous solution), delayed crosslinker ZXL- LTD, delayed crosslinker TXL-LTD come from Beijing clear water Lan De oilfield technologies Services Co., Ltd.
Embodiment 1
3.6 grams of CMHPG WGA-5 are dissolved in 1000ml water, bactericide BioClear- is added 1000 0.002 grams, place 2 hours, form base fluid；At room temperature, add 1g quaternary clay stabilizers ClayTreat-3C, After the glutaraldehyde water solutions of 1g 50%, 0.5 gram of sodium carbonate, 1 gram of NE-940 stirring and dissolving, take 400ml base fluids is in the trade mark In the mixed tune device of Warring, start stirring, add 0.4g delayed crosslinkers ZXL-LTD (tetra-n-butyl zirconate, glyoxal, sweet The weight ratio of oil and polyethylene polyamine is 1：3：2.5：3.5, adding water makes to form heating response after homogeneous phase, and reaction temperature is 85 DEG C, the reaction time is 6 hours；Wherein, polyethylene polyamine mixture is the mixing of ethylenediamine, triethylene tetramine and pentaethylene hexamine Thing, its mixed proportion is mass parts 1:2:1.5), record vortex closure times are 125 seconds, and plastic is uniform, vortex closure 10 minutes After can hang.45 grams of frozen glue of gained is taken, the shear at high temperature viscosity test at 180 DEG C is carried out, test uses the People's Republic of China (PRC) Oil and gas industry standard SY/T6376-2008.Test result is shown in Fig. 1.
Embodiment 2
4.2 grams of CMHPG WGA-5 are dissolved in 1000ml water, bactericide BioClear- is added 1000 0.002 grams, place 2 hours, form base fluid；At room temperature, add 1g quaternary clay stabilizers ClayMaster-5C, After the potassium hydroxide solutions of 0.5g 25%, 1g FlowGas stirring and dissolvings, it is that Warring mixes tune device to take 400ml base fluids in the trade mark In, starting stirring, addition 2.0g delayed crosslinkers be (triisopropyl chromium (III) acid esters, glyoxal, glycerine and polyethylene polyamine Weight ratio is 1：2：4：2.5, adding water makes to form heating response after homogeneous phase, and reaction temperature is 140 DEG C, and the reaction time is 3 hours； Wherein, polyethylene polyamine mixture is ethylenediamine, the mixture of TEPA, and its mixed proportion is mass parts 1:2), record Vortex closure times are 267 seconds, and plastic is uniform, and vortex closure can hang after 11 minutes.45 grams of frozen glue of gained is taken, 180 DEG C are carried out Under shear at high temperature viscosity test, test is using People's Republic of China (PRC) oil and gas industry standard SY/T6376-2008.Survey Test result is shown in Fig. 2.
Embodiment 3
4.8 grams of carboxy-methyl hydroxy propyl sesbania gum CGA-7 are dissolved in 1000ml water, bactericide BioClear- is added 1000 0.002 grams, place 2 hours, form base fluid；At room temperature, 0.5 gram of tetramethyl ammonium chloride, the glutaraldehyde water of 1g 50% are added Solution, the potassium hydroxide solutions of 0.5g 25%, 1 gram of NE-118 and 2g postpone cross-linking regulator CTD (i.e.：50% sorbierite is water-soluble Liquid).After stirring and dissolving, 400ml base fluids are taken in the trade mark is the mixed tune devices of Warring, start stirring, add 0.8g delayed crosslinkers (the weight ratio of tetra-n-butyl titanate esters, glyoxal, glycerine and polyethylene polyamine is 1 to TXL-LTD：4：3：2, adding water makes to be formed Heating response after one phase, reaction temperature is 85 DEG C, and the reaction time is 6 hours；Wherein, polyethylene polyamine is pentaethylene hexamine), note Record vortex closure times are 573 seconds, and plastic is uniform, and vortex closure can hang after 12 minutes.45 grams of frozen glue of gained is taken, 180 are carried out Shear at high temperature viscosity test at DEG C, test is using People's Republic of China (PRC) oil and gas industry standard SY/T6376-2008. Test result is shown in Fig. 3.
Embodiment 4
5.4 grams of CMHPG WGA-5 are dissolved in 1000ml water, bactericide BioClear- is added 1000 0.002 grams, place 2 hours, form base fluid；At room temperature, add 1g ClayTreat-3C, 1g 50% glutaraldehyde water-soluble Liquid, 0.5g sodium carbonate, 1g NE-940 and 1g postpone cross-linking regulator CTD (i.e.：50% sorbitol aqueous solution).After stirring and dissolving, 400ml base fluids are taken in the trade mark is for the mixed tune device of Warring, starts stirring, add 1.6g delayed crosslinkers ZXL-LTD (to prepare Method is with embodiment 1), record vortex closure times are 225 seconds, and plastic is uniform, and vortex closure can hang after 15 minutes.Take gained 45 grams of frozen glue, carries out the shear at high temperature viscosity test at 190 DEG C, and test is using People's Republic of China's oil and gas industry mark Quasi- SY/T6376-2008.Test result is shown in Fig. 4.
Embodiment 5
It is identical with the preparation method of embodiment 4, except that 6.0 grams of CMHPG WGA-5 are dissolved in In 1000ml water.Record vortex closure times are 205 seconds, and plastic is uniform, and vortex closure can hang after 12 minutes.Take gained frozen glue 45 grams, the shear at high temperature viscosity test at 200 DEG C is carried out, test is using People's Republic of China's oil and gas industry standard SY/T6376-2008.Test result is shown in Fig. 5.
Be can be seen that by above example 1-5 results：Can be real using delay crosslinked fracturing fluid composition of the invention Now postpone crosslinking, stabilization, homogeneous, the delay crosslinked fluid composition that can hang can be formed, and time delay can be controlled in 3-10 In the range of minute, meet pressure break site operation requirement.The test result display gained of embodiment 1-5 postpones crosslinked gel has pole Strong temperature and shearing sustainability, meets People's Republic of China's oil and gas industry standard.
The foregoing description to specific illustrative embodiment of the invention be in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explaining that certain principles of the invention and its reality should With so that those skilled in the art can realize and using a variety of exemplaries of the invention and A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (10)

1.一种压裂液组合物，其特征在于，包括植物胶增稠剂、延迟交联剂、压裂助剂和水，其中所述延迟交联剂由包括三价及三价以上的金属酯化物、乙二醛、甘油和多乙烯多胺的原料反应而成。1. A fracturing fluid composition is characterized in that, comprises vegetable gum thickener, delayed cross-linking agent, fracturing aid and water, wherein said delayed cross-linking agent consists of metals comprising trivalent and more than trivalent It is formed by reacting raw materials of esterified products, glyoxal, glycerin and polyethylene polyamine. 2.根据权利要求1所述的压裂液组合物，其特征在于，包括：0.2-0.8重量份、可选0.3-0.6重量份的所述植物胶增稠剂；0.1-0.6重量份、可选0.2-0.4重量份的所述延迟交联剂；0.2-8重量份、可选0.5-3.8重量份的所述压裂助剂和100重量份的所述水。2. The fracturing fluid composition according to claim 1, characterized in that, comprising: 0.2-0.8 parts by weight, optional 0.3-0.6 parts by weight of the vegetable gum thickener; 0.1-0.6 parts by weight, optional 0.2-0.4 parts by weight of the delayed crosslinking agent; 0.2-8 parts by weight, optionally 0.5-3.8 parts by weight of the fracturing aid and 100 parts by weight of the water. 3.根据权利要求1所述的压裂液组合物，其特征在于，所述植物胶增稠剂为改性植物胶增稠剂，其包括瓜尔胶、羟丙基瓜尔胶(HPG)、羧甲基羟丙基瓜尔胶(CMHPG)、田菁胶、羟丙基田菁胶、羧甲基羟丙基田菁胶中的一种或几种；可选地，植物胶增稠剂为羧甲基羟丙基瓜尔胶。3. fracturing fluid composition according to claim 1, is characterized in that, described vegetable gum thickener is modified vegetable gum thickener, and it comprises guar gum, hydroxypropyl guar gum (HPG) , carboxymethyl hydroxypropyl guar gum (CMHPG), kale gum, hydroxypropyl kale gum, carboxymethyl hydroxypropyl kale gum; optionally, vegetable gum thickening The agent is carboxymethyl hydroxypropyl guar gum. 4.根据权利要求1所述的压裂液组合物，其特征在于，所述延迟交联剂将三价及三价以上的金属酯化物、乙二醛、甘油和多乙烯多胺加水混合并形成均一相后，加热反应而成；可选的，所述三价及三价以上的金属酯化物、乙二醛、甘油和多乙烯多胺的重量比为1：1-4：1-4：1-4，可选为1：2-4：2-4：2-4，进一步可选为1：3：2.5：3.5。4. The fracturing fluid composition according to claim 1, characterized in that, the delayed crosslinking agent is mixed with trivalent or more than trivalent metal esters, glyoxal, glycerin and polyethylene polyamine with water and After a homogeneous phase is formed, it is formed by heating and reacting; optionally, the weight ratio of the trivalent or higher metal esters, glyoxal, glycerin and polyethylene polyamine is 1:1-4:1-4 :1-4, optional 1:2-4:2-4:2-4, further optional 1:3:2.5:3.5. 5.根据权利要求4所述的压裂液组合物，其特征在于，所述延迟交联剂将三价及三价以上的金属酯化物、乙二醛、甘油和多乙烯多胺加水混合并形成均一相后，密闭加热反应，加热温度为80-150℃，反应时间为2-7小时；可选的，加热温度为80-90℃，反应时间为6小时；可选的，反应温度为140-150℃，反应时间为3小时。5. The fracturing fluid composition according to claim 4, characterized in that, the delayed crosslinking agent is mixed with trivalent or more than trivalent metal esters, glyoxal, glycerin and polyethylene polyamine with water and After the homogeneous phase is formed, heat the reaction in a closed manner, the heating temperature is 80-150°C, and the reaction time is 2-7 hours; optionally, the heating temperature is 80-90°C, and the reaction time is 6 hours; optionally, the reaction temperature is 140-150°C, the reaction time is 3 hours. 6.根据权利要求1所述的压裂液组合物，其特征在于，所述金属酯化物包括铬的酯化物、锆的酯化物、钛的酯化物中的一种或多种，可选为锆的酯化物或钛的酯化物；所述铬的酯化物可以为三异丙基铬(III)酸酯；所述锆的酯化物可以为四异丙基锆酸酯、四正丙基锆酸酯、四正丁基锆酸酯；所述钛的酯化物可以为四异丙基钛酸酯、四正丙基钛酸酯、四正丁基钛酸酯、二乙酰丙酮基钛酸酯。6. The fracturing fluid composition according to claim 1, wherein the metal esters include one or more of chromium esters, zirconium esters, and titanium esters, and may be An ester of zirconium or an ester of titanium; the ester of chromium can be triisopropyl chromium (III) ester; the ester of zirconium can be tetraisopropyl zirconate, tetra-n-propyl zirconium ester, tetra-n-butyl zirconate; the ester of titanium can be tetraisopropyl titanate, tetra-n-propyl titanate, tetra-n-butyl titanate, diacetylacetonate titanate . 7.根据权利要求1所述的压裂液组合物，其特征在于，所述多乙烯多胺包括乙二胺、二乙烯三胺、三乙烯四胺、四乙烯五胺，五乙烯六胺中的一种或多种。可选为乙二胺、三乙烯四胺和五乙烯六胺的混合物，其混合比例为质量比1:0-5:0-3.5，可选为质量比1:2:1.5。7. The fracturing fluid composition according to claim 1, characterized in that, the polyethylene polyamines include ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine one or more of . It can be a mixture of ethylenediamine, triethylenetetramine and pentaethylenehexamine, and its mixing ratio is 1:0-5:0-3.5 in mass ratio, and can be 1:2:1.5 in mass ratio. 8.根据权利要求1所述的压裂液组合物，其特征在于，所述压裂助剂包括杀菌剂、破胶剂、粘土稳定剂、pH调节剂和助排剂中的一种或多种。8. The fracturing fluid composition according to claim 1, wherein the fracturing aid comprises one or more of bactericide, gel breaker, clay stabilizer, pH regulator and drainage aid kind. 9.根据权利要求1所述的压裂液组合物，其特征在于，相对于压裂液组合物中100重量份的水：9. The fracturing fluid composition according to claim 1, wherein, with respect to 100 parts by weight of water in the fracturing fluid composition: 所述杀菌剂的含量可以为0-0.7重量份，可选为0.05-0.7重量份，进一步可选为0.1-0.3重量份；The content of the bactericide can be 0-0.7 parts by weight, optionally 0.05-0.7 parts by weight, and further optionally 0.1-0.3 parts by weight; 所述破胶剂的含量可以为0-0.3，可选为0.01-0.3重量份，进一步可选为0.1-0.2重量份；The content of the breaker can be 0-0.3, optionally 0.01-0.3 parts by weight, further optionally 0.1-0.2 parts by weight; 所述粘土稳定剂的含量可以为0-4，可选为0.04-4重量份，进一步可选为0.1-2重量份；The content of the clay stabilizer can be 0-4, optionally 0.04-4 parts by weight, further optionally 0.1-2 parts by weight; 所述pH调节剂的含量可以为0-1重量份，可选为0.05-1重量份，进一步可选为0.1-0.3重量份；The content of the pH regulator can be 0-1 parts by weight, optionally 0.05-1 parts by weight, and further optionally 0.1-0.3 parts by weight; 所述助排剂的含量可以为0-2重量份，可选为0.05-2重量份，进一步可选为0.1-1重量份。The content of the drainage aid can be 0-2 parts by weight, optionally 0.05-2 parts by weight, and further optionally 0.1-1 parts by weight. 10.根据权利要求9所述的压裂液组合物，其特征在于，可选的杀菌剂为甲醛、戊二醛和季铵盐中的一种或多种；可选的破胶剂为过硫酸钾、过硫酸铵和胶囊破胶剂中的一种或多种，其中所述胶囊破胶剂为本领域技术人员所熟知的物质，即胶囊破胶剂是通过以过硫酸钾或过硫酸铵为内核，外层包覆石蜡等有机化合物膜以实现延迟释放作用制备而成；可选的粘土稳定剂为氯化钾、氯化铵和季铵盐型粘土稳定剂中的一种或多种，其中，所述季铵盐型粘土稳定剂可以为氯化胆碱(氯化2-羟乙基三甲铵)、四甲基氯化铵、聚季铵盐(如ClayMaster-5C)中的一种或多种；可选的所述pH调节剂可以为碳酸钠、碳酸钾氢氧化钠和/或氢氧化钾；可选的所述助排剂可以为脂肪醇聚醚复配物和/或脂肪醇聚醚阳离子复配物，其中，所述脂肪醇聚醚复配物可以为NE-940或FlowGas-M，所述脂肪醇聚醚阳离子复配物可以为CNE-202。10. The fracturing fluid composition according to claim 9, characterized in that, the optional bactericide is one or more of formaldehyde, glutaraldehyde and quaternary ammonium salt; One or more in potassium sulfate, ammonium persulfate and capsule breaker, wherein said capsule breaker is a material well known to those skilled in the art, that is, the capsule breaker is obtained by using potassium persulfate or persulfuric acid Ammonium is the inner core, and the outer layer is coated with an organic compound film such as paraffin to achieve delayed release; the optional clay stabilizer is one or more of potassium chloride, ammonium chloride and quaternary ammonium salt clay stabilizers A kind, wherein, the quaternary ammonium salt type clay stabilizer can be choline chloride (2-hydroxyethyltrimethylammonium chloride), tetramethylammonium chloride, polyquaternium (such as ClayMaster-5C) One or more; the optional pH regulator can be sodium carbonate, potassium carbonate sodium hydroxide and/or potassium hydroxide; the optional drainage aid can be fatty alcohol polyether complex and/or Or a fatty alcohol polyether cationic compound, wherein the fatty alcohol polyether compound can be NE-940 or FlowGas-M, and the fatty alcohol polyether cationic compound can be CNE-202.
CN201710202496.4A 2017-03-30 2017-03-30 Fracturing fluid compositions with delayed cross-linking in ultra-high temperature environments Active CN106867499B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710202496.4A CN106867499B (en) 2017-03-30 2017-03-30 Fracturing fluid compositions with delayed cross-linking in ultra-high temperature environments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710202496.4A CN106867499B (en) 2017-03-30 2017-03-30 Fracturing fluid compositions with delayed cross-linking in ultra-high temperature environments

Publications (2)

Publication Number Publication Date
CN106867499A true CN106867499A (en) 2017-06-20
CN106867499B CN106867499B (en) 2020-06-12

Family

ID=59159502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710202496.4A Active CN106867499B (en) 2017-03-30 2017-03-30 Fracturing fluid compositions with delayed cross-linking in ultra-high temperature environments

Country Status (1)

Country Link
CN (1) CN106867499B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110498867A (en) * 2018-05-17 2019-11-26 中国石油化工股份有限公司 Modified welan gum and preparation method thereof and aqueous fracturing fluid composition and aqueous fracturing fluid

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227295B1 (en) * 1999-10-08 2001-05-08 Schlumberger Technology Corporation High temperature hydraulic fracturing fluid
CN101633840A (en) * 2009-07-08 2010-01-27 中国石油天然气股份有限公司 Hydrophobic group graft modified guar gum fracturing fluid gel
CN101675062A (en) * 2007-03-30 2010-03-17 纳幕尔杜邦公司 Zirconium-based cross-linker compositions and their use in high ph oil field applications
US8153564B2 (en) * 2008-03-07 2012-04-10 Dorf Ketal Speciality Catalysts, Llc Zirconium-based cross-linking composition for use with high pH polymer solutions
CN104513654A (en) * 2013-10-08 2015-04-15 中国石油化工股份有限公司 Improver, oil-displacing agent composition, oil-displacing agent and preparation method thereof
CN104559995A (en) * 2013-10-09 2015-04-29 中国石油化工股份有限公司 Delayed crosslinking fracturing fluid composition
CN104927828A (en) * 2015-04-29 2015-09-23 中国石油集团渤海钻探工程有限公司 High temperature resistant organic zirconium crosslinking agent and preparation method thereof, and fracturing fluid gel and preparation method thereof
US9534167B2 (en) * 2008-10-21 2017-01-03 Baker Hughes Incorporated Fracturing method using polyboronic compound

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227295B1 (en) * 1999-10-08 2001-05-08 Schlumberger Technology Corporation High temperature hydraulic fracturing fluid
CN101675062A (en) * 2007-03-30 2010-03-17 纳幕尔杜邦公司 Zirconium-based cross-linker compositions and their use in high ph oil field applications
US8153564B2 (en) * 2008-03-07 2012-04-10 Dorf Ketal Speciality Catalysts, Llc Zirconium-based cross-linking composition for use with high pH polymer solutions
US9534167B2 (en) * 2008-10-21 2017-01-03 Baker Hughes Incorporated Fracturing method using polyboronic compound
CN101633840A (en) * 2009-07-08 2010-01-27 中国石油天然气股份有限公司 Hydrophobic group graft modified guar gum fracturing fluid gel
CN104513654A (en) * 2013-10-08 2015-04-15 中国石油化工股份有限公司 Improver, oil-displacing agent composition, oil-displacing agent and preparation method thereof
CN104559995A (en) * 2013-10-09 2015-04-29 中国石油化工股份有限公司 Delayed crosslinking fracturing fluid composition
CN104927828A (en) * 2015-04-29 2015-09-23 中国石油集团渤海钻探工程有限公司 High temperature resistant organic zirconium crosslinking agent and preparation method thereof, and fracturing fluid gel and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110498867A (en) * 2018-05-17 2019-11-26 中国石油化工股份有限公司 Modified welan gum and preparation method thereof and aqueous fracturing fluid composition and aqueous fracturing fluid
CN110498867B (en) * 2018-05-17 2021-08-03 中国石油化工股份有限公司 Modified welan gum, preparation method thereof, water-based fracturing fluid composition and water-based fracturing fluid

Also Published As

Publication number Publication date
CN106867499B (en) 2020-06-12

Similar Documents

Publication Publication Date Title
US7455112B2 (en) Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations
CN107109199B (en) Delayed Breaker for Viscoelastic Surfactant-Based Fluids
CN103820100B (en) Gelled acid used for acid fracturing of high-temperature fractured-vuggy type carbonate reservoir
US8413721B2 (en) Viscosified fluids for remediating subterranean damage
CN103952134A (en) Viscoelastic acidizing fluid and preparation method thereof
US10851286B2 (en) Delayed gelation of polymers
CN103497754B (en) A kind of high temperature and high salinity aqueous fracturing fluid
WO2008117222A1 (en) Method for treating subterranean formation
EP2209868A1 (en) High temperature aqueous-based zirconium fracturing fluid and use
US11279866B2 (en) Boosters for breakers containing iron compounds
CA2315544A1 (en) Fracturing method using aqueous or acid based fluids
CN108285784B (en) Gelled emulsified acid and preparation method thereof
CN110785471A (en) Compositions and methods for controlling strong acid systems
CN110792421B (en) Fracturing process for development and application of low-permeability heterogeneous sandstone oil-gas layer
CN105849224A (en) Cross-linked acrylamide polymer or copolymer gel and breaker compositions and methods of use
CN103275690A (en) A kind of cross-linking agent for polymer fracturing fluid and its preparation and application
CN109763127B (en) Quick dissolving solution for soluble bridge plug and preparation method thereof
CN104559995A (en) Delayed crosslinking fracturing fluid composition
US8544546B2 (en) Delivering water-soluble polysaccharides for well treatments
CN106590613A (en) Supercritical carbon dioxide fracturing fluid system for low-permeability oil and gas reservoir and preparation method thereof
CN106867499A (en) Fracturing fluid composition with delayed crosslinking under ultra-high temperature environment
CN104263346B (en) A kind of acidic aggravated fracturing fluid and its preparation method and application
CN108102637B (en) Viscoelastic surfactant-weighted fracturing fluid and method for preparing the same
US9845426B2 (en) High-salt gelling compositions and methods for well treatment
US7921912B2 (en) Non-acid acidizing methods and compositions

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant