CN104263346B - Acidic weighted fracturing fluid and preparation method and application thereof - Google Patents
Acidic weighted fracturing fluid and preparation method and application thereof Download PDFInfo
- Publication number
- CN104263346B CN104263346B CN201410441545.6A CN201410441545A CN104263346B CN 104263346 B CN104263346 B CN 104263346B CN 201410441545 A CN201410441545 A CN 201410441545A CN 104263346 B CN104263346 B CN 104263346B
- Authority
- CN
- China
- Prior art keywords
- fluid
- fracturing fluid
- agent
- acid
- crosslinking
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 146
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 230000002378 acidificating effect Effects 0.000 title abstract 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002562 thickening agent Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 25
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims abstract description 25
- 238000004132 cross linking Methods 0.000 claims abstract description 21
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052742 iron Inorganic materials 0.000 claims abstract 2
- -1 iron ion Chemical class 0.000 claims abstract 2
- 239000000654 additive Substances 0.000 claims description 27
- 230000000996 additive effect Effects 0.000 claims description 27
- 239000002253 acid Substances 0.000 claims description 26
- 239000004971 Cross linker Substances 0.000 claims description 23
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 21
- 239000002585 base Substances 0.000 claims description 21
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 20
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 18
- 239000003995 emulsifying agent Substances 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 16
- 239000003002 pH adjusting agent Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 229920001059 synthetic polymer Polymers 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 10
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 9
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 238000013019 agitation Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000001509 sodium citrate Substances 0.000 claims description 8
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical group O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims description 7
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 7
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-isoascorbic acid Chemical compound OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 235000010352 sodium erythorbate Nutrition 0.000 claims description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 238000005065 mining Methods 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical group OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims description 2
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 2
- 235000011054 acetic acid Nutrition 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims description 2
- 229960001484 edetic acid Drugs 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 125000000687 hydroquinonyl group Chemical class C1(O)=C(C=C(O)C=C1)* 0.000 claims description 2
- 229920002866 paraformaldehyde Polymers 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 4
- 239000011734 sodium Substances 0.000 claims 4
- 229910052708 sodium Inorganic materials 0.000 claims 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims 2
- AUZRCMMVHXRSGT-UHFFFAOYSA-N 2-methylpropane-1-sulfonic acid;prop-2-enamide Chemical class NC(=O)C=C.CC(C)CS(O)(=O)=O AUZRCMMVHXRSGT-UHFFFAOYSA-N 0.000 claims 1
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims 1
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims 1
- 230000031709 bromination Effects 0.000 claims 1
- 238000005893 bromination reaction Methods 0.000 claims 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 claims 1
- 150000002989 phenols Chemical class 0.000 claims 1
- 238000005554 pickling Methods 0.000 claims 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 abstract 2
- 235000010288 sodium nitrite Nutrition 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 description 18
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 12
- 230000035484 reaction time Effects 0.000 description 7
- 239000004312 hexamethylene tetramine Substances 0.000 description 6
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical group [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- LLJZKKVYXXDWTB-UHFFFAOYSA-N acetic acid;sodium Chemical compound [Na].[Na].CC(O)=O LLJZKKVYXXDWTB-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid group Chemical group S(N)(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/665—Compositions based on water or polar solvents containing inorganic compounds
-
- 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
- C09K8/882—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained 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
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Lubricants (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention provides an acidic weighted fracturing fluid and a preparation method and application thereof, wherein the fracturing fluid comprises the following components in percentage by weight: 20 to 30 percent of weighting agent, 0.7 to 0.8 percent of thickening agent, 0.05 to 0.1 percent of pH regulator, 0.1 to 0.25 percent of aldehyde crosslinking agent and 0.005 to 0.015 percent of phenol crosslinking agent; 0.02-0.1% of crosslinking accelerator, 0.2-0.78% of demulsifier SP1690.1, 0.5-1.0% of iron ion stabilizer, 0.05-0.1% of ammonium persulfate, 0.025-0.05% of sodium nitrite and the balance of water; the fracturing fluid disclosed by the invention has the advantages of small damage to the stratum, good gel breaking performance and low cost.
Description
Technical field
The present invention relates to a kind of fracturing fluid used by oil-gas field fracturing volume increase field, particularly one kind adapt in high pressure,
The weighted fracture fluid of deep-well, the fracturing reform of ultradeep well, and in particular to a kind of acid weighted fracture fluid and preparation method thereof and
Using.
Background technology
According to data, the oil field in the whole world existing 90% comes to the ripening period, and old area yield declines；And with degree of prospecting
Continuous improvement, the oil-gas mining difficulty in conventional geographical conditions preferably area increases, and the discovery in conventional oil gas field is also gradually subtracting
Few, totally in the trend that diminishes, crude oil Isoquant increases also more weak to the scale in new discovery oil field, and petroleum exploration and development is presented
Go out the unfavorable present situation of high cost, low output.In recent years, petroleum exploration and development emphasis is to outlying district, oily area deep layer, complicated knot
Shift in the fields such as structure, unconventional producing region, deep-sea.Deep reservoirs transformation is the focus and difficult point skill of research in current worldwide
Art.Its difficulty of well stimulation is carried out in deep water, ultra deep and risk is bigger, subject matter is that infusion pressure is high, routine work liquid
System is difficult to meet, and optimization design is difficult, and fracture technology becomes the bottle that can restriction ultra-deep compact reservoir effectively be exploited
Neck technology.Exploitation to this kind of well generally individually adopts weighted fracture fluid both at home and abroad, i.e., inorganic salts are added in fracturing fluid, pressure is improved
Split the density of liquid.
Chinese patent document CN1940009 (application number CN200510105813.8) discloses that " a kind of weighted fracture fluid is matched somebody with somebody
Side ", its composition and its weight ratio are：Water 500；Heavy weight additive 180～483；Thickening agent HPG 2～3；PH value regulator
Sodium carbonate 0.8～1；PH value regulator NaOH 0.15～0.27；Cleanup additive 3.0～3.3.Weighted fracture fluid density 1.25-
1.5g/cm3, can increase head of liquid in pit shaft, reduce well head operation pressure, using existing fracturing unit, so that it may complete deep-well,
Ultradeep well, abnormal pressure well, abnormal high-ground stress well wellfracturing, realize reservoir reconstruction.
Chinese patent document CN102876314A (application number CN201210365913.4) discloses that " one kind increases pressure break
Liquid ", it is steady by acylate heavy weight additive, thickening agent, crosslinking agent, pH adjusting agent, cleanup additive, bactericide, clay stabilizer, high temperature
Determine agent to mix, organic salt weighted fracture fluid has broader Auto-regulating System of Density of Heavy Medium scope, in 1.05g/cm3～2.3g/cm3It is interior can
Adjust.
Generally speaking, prior art realizes increasing for fracturing fluid to a certain extent, but system all has one at present
The crosslinking agent that a little problems (1) are used all is the metallic-ion crosslinking agent of boron or zirconium and is crosslinked in the basic conditions, inevitable right
Stratum produces secondary injury；(2) thickening agent for using is generally natural plant gum class, natural plant gum water insoluble matter content height and price fluctuation
It is larger, it is unfavorable for the long-run development of weighted fracture fluid system.
The content of the invention
It is an object of the present invention to provide a kind of acid weighted fracture fluid；The weighted fracture fluid has Low Damage, resistance to
Warm, anti-shearing, fragile glue, the low advantage of residue content；
Another object of the present invention is to provide the preparation method of the acid weighted fracture fluid；
A further object of the present invention is the application for providing the acid weighted fracture fluid in oil gas well mining.
It is up to above-mentioned purpose, on the one hand, the invention provides a kind of acid weighted fracture fluid, the fracturing fluid is comprising as follows
Weight percent composition：Heavy weight additive 20%-30%, thickening agent 0.7%-0.8%, pH adjusting agent 0.05%-0.1%, aldehydes are handed over
Connection agent 0.1-0.25%, Phenolic crosslinkers 0.005%-0.015%；Crosslinking accelerator 0.02-0.1%, demulsifier 0.1-
0.2%th, ferrous stability 0.5-1.0%, ammonium persulfate 0.05-0.1%, natrium nitrosum 0.025-0.05%, balance of water；
Wherein the present invention is preferably：Heavy weight additive 30%, thickening agent 0.7%, pH adjusting agent 0.05%, aldehyde crosslinking agent
0.25%th, Phenolic crosslinkers 0.015%；Crosslinking accelerator 0.02%, demulsifier 0.1%, ferrous stability 1.0%, over cure
Sour ammonium 0.05%, natrium nitrosum 0.025%, balance of water.
According to fracturing fluid of the present invention, wherein the demulsifier can be any conventional demulsifier in this area, this
Any commonly employed commercially available demulsifier in field is used equally to the present invention, wherein currently preferred for de-emulsifier SP 169.
According to fracturing fluid of the present invention, wherein it is preferred that the heavy weight additive is selected from sodium bromide, sodium chloride, potassium chloride and has
At least one in machine sodium salt；
Wherein more preferably described Organic Sodium Salt is sodium citrate.
According to fracturing fluid of the present invention, wherein it is preferred that the thickening agent be synthetic polymer, the synthetic polymer
Viscosity average molecular weigh is 12,000,000 or so.
According to fracturing fluid of the present invention, wherein it is preferred that the synthetic polymer be acrylamide and 2- acrylamides-
2- methyl propane sulfonic acids are obtained by polymerisation.
According to fracturing fluid of the present invention, wherein the further preferably polymerization temperature of the polymerisation is at 12-20 DEG C,
Reaction time 3-5 hour.
According to fracturing fluid of the present invention, wherein it is preferred that the pH value regulator is selected from sulfamic acid, formic acid and acetic acid
In at least one.
According to fracturing fluid of the present invention, wherein it is preferred that the aldehyde crosslinking agent is selected from paraformaldehyde, formaldehyde and six times
At least one in tetramine.
According to fracturing fluid of the present invention, wherein it is preferred that the Phenolic crosslinkers selected from hydroquinones, resorcinol and
At least one in phenol；
Resorcinol is more preferably wherein.
According to fracturing fluid of the present invention, wherein it is preferred that the crosslinking accelerator is selected from triethylene diamine, tetramethyl second
At least one in diamines and TEPA；Wherein more preferably triethylene diamine.
In the present invention, under the conditions of room temperature (20 DEG C), crosslinking accelerator can promote Phenolic crosslinkers to be crosslinked with aldehydes
The common cross-linked polymer of formaldehyde discharged by agent, the acid solution gel for obtaining have complicated network structure, improve the resistance to of gel
Warm anti-shear performance.
According to fracturing fluid of the present invention, wherein it is preferred that the ferrous stability is citric acid, acetic acid, ethylenediamine tetraacetic
Acetic acid disodium, arabo-ascorbic acid；Citric acid, acetic acid, disodium ethylene diamine tetraacetate, arabo-ascorbic acid are more preferably wherein.
On the other hand, present invention also offers the above any preparation method of the acid weighted fracture fluid, methods described
Comprise the steps：
(1) prepared by base fluid：Heavy weight additive, ferrous stability, pH adjusting agent and de-emulsifier SP 169 are added to the water, are being stirred
Mix down, add thickening agent, continue stirring after adding, fully dissolve to polymer is made；
(2) prepared by crosslinked fluid：Xiang Shuizhong sequentially add aldehydes, Phenolic crosslinkers and crosslinking accelerator and ammonium persulfate and
Natrium nitrosum；
(3) prepared by acid weighted fracture fluid：By base fluid and crosslinked fluid liquid with mass ratio as 9:1-9.5:1 by base fluid and friendship
Connection liquid carries out being mixed with weighted fracture fluid.
According to preparation method of the present invention, wherein it is preferred that heavy weight additive, pH adjusting agent and de-emulsifier SP 169 are added water
In after, be under the stirring of 400r/min rotating speeds, add thickening agent.
Wherein thickening agent adds speed speed can be added to be controlled according to thickening agent in the similar operations of this area, for example
Control thickening agent adds speed to avoid polymer solution from forming " flake ".
According to preparation method of the present invention, wherein continuing stirring 2h after being preferably added to thickening agent.
Another aspect, present invention also offers above any acid weighted fracture fluid answering in oil gas well mining
With；
According to application of the present invention, wherein it is preferred that the acid weighted fracture fluid operating temperature is less than 150 DEG C.
According to application of the present invention, wherein it is also preferred that Oil/gas Well temperature is less than 150 DEG C.
In sum, the invention provides a kind of acid weighted fracture fluid and its preparation method and application.The acid of the present invention
Property weighted fracture fluid has the advantage that：
(1) it is little to formation damage：By nonmetallic ion crosslinking agent crosslinked thickening agent in acid condition, it is to avoid inorganic gold
Category or organo-metallic compound are crosslinked in the basic conditions and inevitably introduce high volence metal ion to stratum and cause ground
Layer secondary injury；
(2) breaking colloidality can be good：Using the broken glue technology of capsule, can guarantee that pressing crack construction terminates rear fracturing fluid and thoroughly break glue to return
Row, reduces the harm to stratum；
(3) low cost：Synthetic polymer is simple and easy to get, reduces the cost of thickening agent.
Description of the drawings
Fig. 1 is fracturing fluid endurance of cutting energy (RS-600 flow graphs, 170,150 DEG C) when thickener concentration is 0.7%.
Specific embodiment
The implementation process and the beneficial effect for producing of the present invention are described in detail below by way of specific embodiment, it is intended to which help is read
Reader more fully understand the present invention essence and feature, not as to this case can practical range restriction.
Embodiment 1
By heavy weight additive sodium citrate 30%, thickening agent, (acrylamide and 2- acrylamide-2-methyl propane sulfonic mass ratioes are
1:1 synthetic polymer viscosity average molecular weigh is 12,000,000 or so.Wherein polymerization temperature at 12 DEG C, reaction time 3-5 hour.)
0.7%th, pH adjusting agent sulfamic acid 0.05%, aldehyde crosslinking agent hexamethylenetetramine 0.25%, Phenolic crosslinkers resorcinol
0.015%；Crosslinking accelerator triethylene diamine 0.02%, de-emulsifier SP 1690.1%, ferrous stability ethylenediamine tetra-acetic acid
The fracturing fluid of the water mixed preparing present invention of disodium 1.0%, ammonium persulfate 0.05%, natrium nitrosum 0.025% and surplus.Its system
Preparation Method is：
(1) prepared by base fluid：By heavy weight additive 60g, ferrous stability 2g, pH adjusting agent 0.1g and de-emulsifier SP 1690.2g
In adding 127.3g water, under agitation, thickening agent 1.4g is slowly added to, continues stirring 2h after adding, to making polymer fully molten
Solution；
(2) prepared by crosslinked fluid：Aldehyde crosslinking agent 0.5g, Phenolic crosslinkers 0.03g and crosslinking are sequentially added in 9.28g water
Accelerator 0.04g and ammonium persulfate 0.1g and natrium nitrosum 0.05g；
(3) prepared by acid weighted fracture fluid：Base fluid and crosslinked fluid are carried out being mixed with weighted fracture fluid.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 1.Fracturing fluid endurance of cutting can be as shown in Figure 1.
1 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Embodiment 2
By heavy weight additive sodium citrate 20%, thickening agent, (acrylamide and 2- acrylamide-2-methyl propane sulfonic mass ratioes are
1:1 synthetic polymer viscosity average molecular weigh is 12,000,000 or so.Polymerization temperature at 12 DEG C, reaction time 3-5 hour.) 0.8%, pH
Conditioning agent sulfamic acid 0.1%, aldehyde crosslinking agent hexamethylenetetramine 0.2%, Phenolic crosslinkers resorcinol 0.01%；Crosslinking
Accelerator triethylene diamine 0.1%, de-emulsifier SP 1690.1%, ferrous stability citric acid 0.5%, ammonium persulfate 0.1%,
The fracturing fluid of the water mixed preparing present invention of natrium nitrosum 0.05% and surplus.
Its preparation method is：
(1) prepared by base fluid：By heavy weight additive 40g, ferrous stability 1g, pH adjusting agent 0.2g and de-emulsifier SP 1690.2g
In adding 138g water, under agitation, thickening agent 0.6g is slowly added to, continues stirring 2h after adding, fully dissolve to polymer is made；
(2) prepared by crosslinked fluid：Aldehyde crosslinking agent 0.4g, Phenolic crosslinkers 0.02g and friendship are sequentially added in 19.08g water
Connection accelerator 0.2g and ammonium persulfate 0.2g and natrium nitrosum 0.1g；
(3) prepared by acid weighted fracture fluid：Base fluid and crosslinked fluid are carried out being mixed with weighted fracture fluid.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 2.
2 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Embodiment 3
By heavy weight additive sodium citrate 25%, thickening agent, (acrylamide and 2- acrylamide-2-methyl propane sulfonic mass ratioes are
1:1 synthetic polymer viscosity average molecular weigh is 12,000,000 or so.Polymerization temperature at 12 DEG C, reaction time 3-5 hour.) 0.75%, pH
Conditioning agent sulfamic acid 0.075%, aldehyde crosslinking agent hexamethylenetetramine 0.1%, Phenolic crosslinkers resorcinol 0.005%；
Crosslinking accelerator triethylene diamine 0.05%, de-emulsifier SP 1690.2%, acetic acid ferrous stability 0.75%, ammonium persulfate
0.1%th, the fracturing fluid of the water mixed preparing present invention of natrium nitrosum 0.025% and surplus.
Its preparation method is：
(1) prepared by base fluid：By heavy weight additive 50g, ferrous stability 1.5g, pH adjusting agent 0.15g and demulsifier
During SP1690.4g adds 126.45g water, under agitation, thickening agent 1.5g is slowly added to, continues stirring 2h after adding, to making to gather
Compound fully dissolves；
(2) prepared by crosslinked fluid：Aldehyde crosslinking agent 0.2g, Phenolic crosslinkers 0.01g and friendship are sequentially added in 19.44g water
Connection accelerator 0.1g and ammonium persulfate 0.2g and natrium nitrosum 0.05g；
(3) prepared by acid weighted fracture fluid：Base fluid and crosslinked fluid are carried out being mixed with weighted fracture fluid.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 3.
3 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Embodiment 4
By heavy weight additive sodium citrate 30%, thickening agent, (acrylamide and 2- acrylamide-2-methyl propane sulfonic mass ratioes are
1:1 synthetic polymer viscosity average molecular weigh is 12,000,000 or so.Polymerization temperature at 12 DEG C, reaction time 3-5 hour.) 0.7%, pH
Conditioning agent sulfamic acid 0.05%, aldehyde crosslinking agent hexamethylenetetramine 0.1%, Phenolic crosslinkers resorcinol 0.015%；Hand over
Connection accelerator triethylene diamine 0.05%, de-emulsifier SP 1690.2%, arabo-ascorbic acid ferrous stability 1.0%, persulfuric acid
The fracturing fluid of the water mixed preparing present invention of ammonium 0.05%, natrium nitrosum 0.05% and surplus.
Its preparation method is：
(1) prepared by base fluid：By heavy weight additive 60g, ferrous stability 2g, pH adjusting agent 0.1g and de-emulsifier SP 1690.4g
In adding 116.1g water, under agitation, thickening agent 1.4g is slowly added to, continues stirring 2h after adding, to making polymer fully molten
Solution；
(2) prepared by crosslinked fluid：Aldehyde crosslinking agent 0.2g, Phenolic crosslinkers 0.03g and friendship are sequentially added in 19.47g water
Connection accelerator 0.1g and ammonium persulfate 0.1g and natrium nitrosum 0.1g；
(3) prepared by acid weighted fracture fluid：Base fluid and crosslinked fluid are carried out being mixed with weighted fracture fluid.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 4.
4 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Embodiment 5
By heavy weight additive sodium citrate 30%, thickening agent, (acrylamide and 2- acrylamide-2-methyl propane sulfonic mass ratioes are
1:1 synthetic polymer viscosity average molecular weigh is 12,000,000 or so.Polymerization temperature at 12 DEG C, reaction time 3-5 hour.) 0.75%, pH
Conditioning agent sulfamic acid 0.1%, aldehyde crosslinking agent hexamethylenetetramine 0.2%, Phenolic crosslinkers resorcinol 0.01%；Crosslinking
Accelerator triethylene diamine 0.1%, de-emulsifier SP 1690.15%, arabo-ascorbic acid ferrous stability 0.75%, ammonium persulfate
0.1%th, the fracturing fluid of the water mixed preparing present invention of natrium nitrosum 0.025% and surplus.
Its preparation method is：
(1) prepared by base fluid：By heavy weight additive 60g, ferrous stability 1.5g, pH adjusting agent 0.2g and demulsifier
During SP1690.3g adds 126.5g water, under agitation, thickening agent 1.5g is slowly added to, continues stirring 2h after adding, to making polymerization
Thing fully dissolves；
(2) prepared by crosslinked fluid：Aldehyde crosslinking agent 0.4g, Phenolic crosslinkers 0.02g and crosslinking are sequentially added in 9.13g water
Accelerator 0.2g and ammonium persulfate 0.2g and natrium nitrosum 0.05g；
(3) prepared by acid weighted fracture fluid：Base fluid and crosslinked fluid are carried out being mixed with weighted fracture fluid.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 5.
5 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Embodiment 6
By heavy weight additive sodium citrate 30%, thickening agent, (acrylamide and 2- acrylamide-2-methyl propane sulfonic mass ratioes are
1:1 synthetic polymer viscosity average molecular weigh is 12,000,000 or so.Polymerization temperature at 12 DEG C, reaction time 3-5 hour.) 0.75%, pH
Conditioning agent sulfamic acid 0.1%, aldehyde crosslinking agent hexamethylenetetramine 0.2%, Phenolic crosslinkers resorcinol 0.01%；Crosslinking
Accelerator triethylene diamine 0.05%, de-emulsifier SP 1690.15%, ironic citrate ion stabilizer 0.75%, ammonium persulfate
0.075%th, the fracturing fluid of the water mixed preparing present invention of natrium nitrosum 0.05% and surplus.
Its preparation method is：
(1) prepared by base fluid：By heavy weight additive 60g, ferrous stability 1.5g, pH adjusting agent 0.2g and demulsifier
During SP1690.3g adds 116.5g water, under agitation, thickening agent 1.5g is slowly added to, continues stirring 2h after adding, to making polymerization
Thing fully dissolves；
(2) prepared by crosslinked fluid：Aldehyde crosslinking agent 0.4g, Phenolic crosslinkers 0.02g and friendship are sequentially added in 19.23g water
Connection accelerator 0.1g and ammonium persulfate 0.15g and natrium nitrosum 0.1g；
(3) prepared by acid weighted fracture fluid：Base fluid and crosslinked fluid are carried out being mixed with weighted fracture fluid.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 6.
6 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Comparative example 1
According to 1 method preparing fracturing fluid of embodiment, it is 0 to differ only in Phenolic crosslinkers consumption, and aldehyde crosslinking agent is used
Measure as 0.3%.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 7.
7 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Comparative example 2
According to 1 method preparing fracturing fluid of embodiment, aldehyde crosslinking agent consumption is differed only in for acetaldehyde.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 8.
8 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Comparative example 3
According to 1 method preparing fracturing fluid of embodiment, natrium nitrosum consumption is differed only in for 0.
Performance evaluation is carried out to fracturing fluid.According to 5107-2005 " aqueous fracturing fluid of oil and gas industry standard SY/T
Method of evaluating performance " is measured, as a result such as table 9.
9 fracturing fluid property evaluation result of the present invention (150 DEG C) of table
Claims (13)
1. a kind of acid weighted fracture fluid, it is characterised in that the fracturing fluid includes following weight percent composition：Heavy weight additive
20%-30%, thickening agent 0.7%-0.8%, pH adjusting agent 0.05%-0.1%, aldehyde crosslinking agent 0.1-0.25%, phenols are handed over
Connection agent 0.005%-0.015%；Crosslinking accelerator 0.02-0.1%, 169 0.1-0.2% of de-emulsifier SP, ferrous stability
0.5-1.0%, ammonium persulfate 0.05-0.1%, natrium nitrosum 0.025-0.05%, balance of water；The heavy weight additive is selected from bromination
At least one in sodium, sodium chloride, potassium chloride and Organic Sodium Salt；The thickening agent is synthetic polymer：Acrylamide and 2- third
Acrylamide -2- methyl propane sulfonic acids are obtained by polymerisation, and the synthetic polymer viscosity average molecular weigh is 12,000,000；The pH value
At least one of the conditioning agent in sulfamic acid, formic acid and acetic acid；The aldehyde crosslinking agent is selected from paraformaldehyde, formaldehyde and six
At least one in methine tetramine；At least one of the Phenolic crosslinkers in hydroquinones, resorcinol and phenol；
At least one of the crosslinking accelerator in triethylene diamine, tetramethylethylenediamine and TEPA；The iron ion
Stabilizer is selected from citric acid, acetic acid, disodium ethylene diamine tetraacetate, arabo-ascorbic acid；The preparation bag of the pickling weighted fracture fluid
Include following steps：
(1) prepared by base fluid：Heavy weight additive, ferrous stability, pH adjusting agent and de-emulsifier SP 169 are added to the water, under agitation,
Thickening agent is slowly added to, is continued stirring after adding, is fully dissolved to polymer is made；
(2) prepared by crosslinked fluid：Xiang Shuizhong sequentially adds aldehydes, Phenolic crosslinkers and crosslinking accelerator and ammonium persulfate and nitrous
Sour sodium；
(3) prepared by acid weighted fracture fluid：By base fluid and crosslinked fluid liquid quality with mass ratio 9:1-9.5:1 by base fluid and crosslinking
Liquid carries out being mixed with weighted fracture fluid.
2. fracturing fluid according to claim 1, it is characterised in that the fracturing fluid includes following weight percent composition：
Heavy weight additive 30%, thickening agent 0.7%, pH adjusting agent 0.05%, aldehyde crosslinking agent 0.25%, Phenolic crosslinkers 0.015%；Crosslinking
It is accelerator 0.02%, demulsifier 0.1%, ferrous stability 1.0%, ammonium persulfate 0.05%, natrium nitrosum 0.025%, remaining
Measure as water.
3. fracturing fluid according to claim 1, it is characterised in that the Organic Sodium Salt is sodium citrate.
4. fracturing fluid according to claim 1, it is characterised in that acrylamide and 2- acrylamide-2-methyl propane sulfonics
Mass ratio is 1:1.
5. fracturing fluid according to claim 1, it is characterised in that the polymerization temperature of the polymerisation at 12-20 DEG C, instead
3-5 hours between seasonable.
6. fracturing fluid according to claim 1, it is characterised in that the Phenolic crosslinkers are selected from resorcinol.
7. fracturing fluid according to claim 1, it is characterised in that the crosslinking accelerator is selected from triethylene diamine.
8. fracturing fluid according to claim 1, it is characterised in that the ferrous stability is selected from ethylenediamine tetra-acetic acid two
Sodium.
9. the preparation method of acid weighted fracture fluid described in claim 1～8 any one, it is characterised in that methods described bag
Include following steps：
(1) prepared by base fluid：Heavy weight additive, ferrous stability, pH adjusting agent and de-emulsifier SP 169 are added to the water, under agitation,
Thickening agent is slowly added to, is continued stirring after adding, is fully dissolved to polymer is made；
(2) prepared by crosslinked fluid：Xiang Shuizhong sequentially adds aldehydes, Phenolic crosslinkers and crosslinking accelerator and ammonium persulfate and nitrous
Sour sodium；
(3) prepared by acid weighted fracture fluid：By base fluid and crosslinked fluid liquid quality with mass ratio 9:1-9.5:1 by base fluid and crosslinking
Liquid carries out being mixed with weighted fracture fluid.
10. preparation method according to claim 9, it is characterised in that step (1) continues stirring 2h after adding thickening agent,
Fully dissolve to polymer is made.
11. preparation methods according to claim 9, it is characterised in that step (1) is by heavy weight additive, ferrous stability, pH
After conditioning agent and de-emulsifier SP 169 are added to the water, it is, under the stirring of 400r/min rotating speeds, to add thickening agent.
Acid application of the weighted fracture fluid in oil gas well mining described in 12. claim 1～8 any one.
13. applications according to claim 12, it is characterised in that the acid weighted fracture fluid operating temperature is less than 150
℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441545.6A CN104263346B (en) | 2014-09-01 | 2014-09-01 | Acidic weighted fracturing fluid and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441545.6A CN104263346B (en) | 2014-09-01 | 2014-09-01 | Acidic weighted fracturing fluid and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104263346A CN104263346A (en) | 2015-01-07 |
| CN104263346B true CN104263346B (en) | 2017-04-05 |
Family
ID=52154935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441545.6A Active CN104263346B (en) | 2014-09-01 | 2014-09-01 | Acidic weighted fracturing fluid and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104263346B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108531159B (en) * | 2018-04-11 | 2021-01-01 | 东北石油大学 | High-temperature plugging agent system for heavy oil thermal recovery oil reservoir |
| CN109439308B (en) * | 2018-11-16 | 2021-01-01 | 中国石油天然气股份有限公司 | Weighted fracturing fluid of crosslinked glacial acetic acid and preparation method and application thereof |
| CN116376533A (en) * | 2023-04-03 | 2023-07-04 | 烟台大学 | External cross-linked temperature-resistant salt-resistant thickening agent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279336A (en) * | 2000-05-12 | 2001-01-10 | 辽河石油勘探局曙光工程技术处 | Artificial well wall of oil well for preventing sand |
| CN1482205A (en) * | 2002-09-12 | 2004-03-17 | 甘肃省庆阳长庆井下化工厂 | Secondary heat and secondary foam fracturing fluid |
| CN102516976A (en) * | 2011-11-11 | 2012-06-27 | 中国石油天然气集团公司 | Preparation method of multi-component organic cross-linked acid liquid |
| CN103265938A (en) * | 2013-05-07 | 2013-08-28 | 四川省博仁达石油科技有限公司 | Foam-like fracturing system, preparation method and filling method thereof |
| CN103820100A (en) * | 2014-03-07 | 2014-05-28 | 中国石油大学(华东) | Gelled acid used for acid fracturing of high-temperature fractured-vuggy type carbonate reservoir |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7923417B2 (en) * | 2007-01-23 | 2011-04-12 | Halliburton Energy Services, Inc. | Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| EP2782973A1 (en) * | 2011-11-23 | 2014-10-01 | Saudi Arabian Oil Company | Tight gas stimulation by in-situ nitrogen generation |
-
2014
- 2014-09-01 CN CN201410441545.6A patent/CN104263346B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279336A (en) * | 2000-05-12 | 2001-01-10 | 辽河石油勘探局曙光工程技术处 | Artificial well wall of oil well for preventing sand |
| CN1482205A (en) * | 2002-09-12 | 2004-03-17 | 甘肃省庆阳长庆井下化工厂 | Secondary heat and secondary foam fracturing fluid |
| CN102516976A (en) * | 2011-11-11 | 2012-06-27 | 中国石油天然气集团公司 | Preparation method of multi-component organic cross-linked acid liquid |
| CN103265938A (en) * | 2013-05-07 | 2013-08-28 | 四川省博仁达石油科技有限公司 | Foam-like fracturing system, preparation method and filling method thereof |
| CN103820100A (en) * | 2014-03-07 | 2014-05-28 | 中国石油大学(华东) | Gelled acid used for acid fracturing of high-temperature fractured-vuggy type carbonate reservoir |
Non-Patent Citations (1)
| Title |
|---|
| 压裂液低温破胶化学生热体系的探讨;刘静等;《西安石油大学学报(自然科学版)》;20040525;第19卷(第03期);39-41、45 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104263346A (en) | 2015-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104066812B (en) | The tight gas volume increase being generated using original position nitrogen | |
| RU2377403C2 (en) | Thicken fluids for reservoir treatment and methods of their use | |
| CN102206484B (en) | Acidic hydrophobic association compound fracturing fluid | |
| CN104232071B (en) | Nonmetal cross-linking agent for ultrahigh-temperature fracturing fluid, preparation and application | |
| CN104263346B (en) | Acidic weighted fracturing fluid and preparation method and application thereof | |
| CN108611086B (en) | Tectorial membrane proppant and preparation method thereof | |
| CN102093873A (en) | Artificially synthesized polymer fracturing fluid with molecular weight of 500,000 to 10,000,000 | |
| CN106318365A (en) | Reversible physical crosslinking polymer fracturing fluid and preparation method thereof | |
| CN108300451A (en) | A kind of nano material complex intensifying gelled fracturing fluid and preparation method thereof | |
| CN105683330A (en) | Carbonate-based slurry fracturing with solid acid for unconventional reservoir | |
| CN104650845A (en) | High-temperature non-crosslinked clean fracturing fluid and preparation method thereof | |
| CN107338033A (en) | A kind of low-permeability sandstone oil reservoir Complex polymer type profile control agent and its application method | |
| CN106958438B (en) | A kind of method for removing blockage of polymer flooding blocking well | |
| CN111100622A (en) | Clean fracturing fluid for deep coal-bed gas well and preparation method and application thereof | |
| CN109439308A (en) | Weighted fracturing fluid of crosslinked glacial acetic acid and preparation method and application thereof | |
| CN104449633B (en) | Crude oil surfactant and preparation method and application thereof | |
| EA008533B1 (en) | Method of selecting polymer gel-forming composition for increase oil recovery and carrying out water-shutoff operation | |
| CN105331345A (en) | Retarded foam gel for profile modification of oil field | |
| CN112961662A (en) | Wetting reversal agent, wetting reversal liquid and pressure flooding water injection method | |
| CN110655605B (en) | Preparation method of reverse temperature-sensitive gel oil displacement agent | |
| CN112794953A (en) | Preparation method of branched polymer type acid thickener | |
| CN107218009A (en) | A kind of low-permeability sandstone oil reservoir chromium aluminium ion compounding profile control agent and its application method | |
| CN105431609A (en) | Gel compostions for hydraulic fracturing applications | |
| CN106905939B (en) | Ultrahigh-strength gel plugging and adjusting system and preparation method and application thereof | |
| CN104099080B (en) | Water-soluble quadripolymer oil displacement agent and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |