CN1524920A - Organic boron delay cross-linking plant adhesive breakdown fluid - Google Patents
Organic boron delay cross-linking plant adhesive breakdown fluid Download PDFInfo
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- CN1524920A CN1524920A CNA031047386A CN03104738A CN1524920A CN 1524920 A CN1524920 A CN 1524920A CN A031047386 A CNA031047386 A CN A031047386A CN 03104738 A CN03104738 A CN 03104738A CN 1524920 A CN1524920 A CN 1524920A
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- organic boron
- cross linking
- fracturing fluid
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Abstract
The invention relates to a novel organic boron cross linking agent for fracturing and fracturing fluid for deferring cross bonding vegetable glue, wherein the preparation method comprises the steps of, reacting sodium borate with multicomponent aldehydes (e.g. ethanedial), adding polyvalent alcohol amine (e.g. triethanolamine) for complete reaction, forming component an of organic boron cross linking agent, and organic boron component B of 20-30% caustic soda liquor solution, mixing component an and B in the proportion of 100:5-100:15 to form the organic boron cross linking agent. While the organic boron deferring cross bonding vegetable glue fracturing fluid comprises vegetable glue polymer, pH regulator, glue breaking agent and organic boron cross linking agent.
Description
Relate to the field
The present invention relates to the fracturing liquid of a kind of oil field compression fracture with novel organic borate cross-linker and delay cross linking vegetable jelly.
Background technology
At present, aqueous fracturing fluid is generally adopted in the oil field compression fracture transformation.But conventional inorganic borate linking agent does not possess the delay cross linking effect, temperature resistant capability poor (less than 93 ℃), and frictional resistance height, and the broken glue difficulty of organic zirconium and organic titanium cross-linking agent, injury seriously waits not enough.When conventional organic borate cross-linker does not possess adjustable delay cross linking with, can not satisfy the needs of oil field compression fracture construction.
Summary of the invention
Purpose of the present invention just is at the deficiencies in the prior art part, provides a kind of may command delay cross linking time, resistant to elevated temperatures organic borate cross-linker and organic boron crosslinked plant gum fracturing fluid system.
The objective of the invention is to realize by following technical proposal.The crosslinked plant gum fracturing fluid of organic boron is formulated by following component:
Vegetable jelly viscosifying agent 0.2%～0.8%
Sterilant 0.05%～0.3%
Linking agent 0.1%～1.0%
Gel breaker 0.001%～0.2%
Clay stabilizer 0.1%～2.0%
PH value conditioning agent 0.05%～0.3%
Cleanup additive 0.1%～1.0%
Water 95%～97%
Above-mentioned vegetable jelly viscosifying agent is guar gum, fenugreek gum, hydroxypropylguar gum, carboxymethyl guar glue or Carboxymethyl hydroxypropyl guar, plays aqueous solution viscosifying action, and best working concentration is 0.5%～0.6%.Sterilant is low-carbon (LC) aldehydes or alkyl trimethyl ammonium salt, low-carbon (LC) aldehydes such as formaldehyde or glutaraldehyde.Linking agent is organic boron, and optimum concn is 0.3%～0.4%.Gel breaker is ammonium persulphate or Potassium Persulphate, and optimum concn is 0.02%～0.04%, and clay stabilizer is a Repone K, and optimum concn is 2%.PH value conditioning agent is sodium bicarbonate and yellow soda ash, and the sodium bicarbonate optimum amount is 0.08%, and the yellow soda ash optimum amount is 0.12%, and pH value scope is 9.0～12.0.Cleanup additive is the compound of hydrocarbon chain and fluorocarbon chain tensio-active agent, and optimum amount is 0.2%～0.3%.By ten water Sodium Tetraboratees (borax), oxalic dialdehyde, trolamine and sodium hydroxide forms, and is divided into A, B component.A component and concentration are respectively: ten water Sodium Tetraborate (borax) content 10%～40%, optimum concn 18%～21%; Glyoxal content 20%～60%, optimum concn 35%～42%; Trolamine content 1%～10%, optimum concn are 5%～6%; The B component is that naoh concentration is 10%～40%, optimum concn 20%～25%.Regulate the fracturing liquid delay cross linking time according to A, B component ratio, A, B component ratio adjusting ratio are 100: 2～100: 15.
The present invention compared with prior art has following technique effect: 1. have the controllable delay cross linking time, be 1min～12min time of lag, and conventional inorganic borate crosslinker is a temporary cross-link, and crosslinking time is 10～15s; 2. have resistant to elevated temperatures effect, temperature resistant capability reaches 158 ℃, and 93 ℃ of inorganic boron (borax) temperature resistant capabilities; 3. fast, the broken glue of broken glue is thorough, and is little to the injury of supporting crack flow conductivity, and the injury rate is less than 30%, and conventional organic titanium, zirconium crosslink agent are little to the injury of supporting crack flow conductivity, and the injury rate is greater than 30%.
Concrete enforcement
Embodiments of the invention are described in detail in detail below.
(embodiment 1)
Getting 500ml water places the 1000ml volumetrical to mix the accent device, add 10g Repone K, 0.4g sodium bicarbonate, 1.0ml sterilant successively, stir the 2min dissolving, slowly add the 3.0g guar gum again, stir 5min dissolving tackify, add 0.6g yellow soda ash and 1.0ml cleanup additive more respectively, stir, placed 4～6 hours, it is standby to make base fluid.The A of organic borate cross-linker is mixed by 100: 8 with the B component, add 1.0% ammonium persulphate again, organic boron crosslinked fluid is made in dissolving.Get base fluid 100ml, add the 0.4ml crosslinked fluid, joining the time that forms frozen glue with the record crosslinked fluid is the fracturing liquid crosslinking time.With wide pH value value test paper, recording base fluid pH value is 10.0, and crosslinked fracturing liquid pH value is 9.5, and the delay cross linking time is 1 ' 42 ", use the RV20 rotational viscosimeter at 170s
-1Under the shearing rate, recording base fluid viscosity is 96.0mPa.s, and crosslinked gel viscosity reaches 537mPa.s, and temperature resistant capability reaches 151 ℃.
(embodiment 2)
Getting 500ml water places the 1000ml volumetrical to mix the accent device, add 10g Repone K, 0.4g sodium bicarbonate, 1.0ml sterilant successively, stir the 2min dissolving, slowly add the 3.0g hydroxypropylguar gum again, stir 5min dissolving tackify, add 0.6g yellow soda ash, 0.25g sodium hydroxide and 1.0ml cleanup additive more respectively, stir, placed 4～6 hours, it is standby to make base fluid.The A of organic borate cross-linker is mixed by 100: 12 with the B component, add 0.8% ammonium persulphate again, organic boron crosslinked fluid is made in dissolving.Get base fluid 100ml, add the 0.4ml crosslinked fluid, joining the time that forms frozen glue with the record crosslinked fluid is the fracturing liquid crosslinking time.With wide pH value value test paper, recording base fluid pH value is 12.0, and crosslinked fracturing liquid pH value is 11.0, and the delay cross linking time is 8 ' 42 ", use the RV20 rotational viscosimeter at 170s
-1Under the shearing rate, recording base fluid viscosity is 96.0mPa.s, and crosslinked gel viscosity reaches 552mPa.s, and temperature resistant capability reaches 158 ℃.
Claims (12)
1. organic boron delay cross linking plant gum fracturing fluid is characterized in that: formulated by following component:
Vegetable jelly viscosifying agent 0.2%～0.8%
Sterilant 0.05%～0.3%
Linking agent 0.1%～1.0%
Gel breaker 0.001%～0.2%
Clay stabilizer 0.1%～2.0%
PH value conditioning agent 0.05%～0.3%
Cleanup additive 0.1%～1.0%
Water 95%～97%
2. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 1, it is characterized in that: the vegetable jelly viscosifying agent is guar gum, fenugreek gum and modified guar, can be hydroxypropylguar gum, carboxymethyl guar glue and Carboxymethyl hydroxypropyl guar, its best working concentration be 0.5%～0.6%.
3. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 1, it is characterized in that: sterilant is low-carbon (LC) aldehydes or alkyl trimethyl ammonium salt, low-carbon (LC) aldehydes such as formaldehyde or glutaraldehyde.
4. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 1, it is characterized in that: linking agent is organic boron, and optimum concn is 0.3%～0.4%.
5. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 1, it is characterized in that: gel breaker is ammonium persulphate or Potassium Persulphate, and optimum concn is 0.02%～0.04%.
6. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 1, it is characterized in that: clay stabilizer is a Repone K, and optimum concn is 2%.
7. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 1, it is characterized in that: pH value conditioning agent is sodium bicarbonate and yellow soda ash, and the sodium bicarbonate optimum amount is 0.08%, and the yellow soda ash optimum amount is 0.12%, and pH value scope is 9.0～12.0.
8. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 1, it is characterized in that: cleanup additive is the compound of hydrocarbon chain and fluorocarbon chain tensio-active agent, and optimum amount is 0.2%～0.3%.
9. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 4, it is characterized in that: organic boron by ten water Sodium Tetraboratees (borax), oxalic dialdehyde, trolamine and sodium hydroxide forms.
10. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 4, it is characterized in that: A, B component that organic boron is formulated by following compound method, and according to A, B component ratio adjusting fracturing liquid delay cross linking time, A, B component ratio adjusting ratio are 100: 2～100: 15.
11., it is characterized in that: A component, ten water Sodium Tetraborate (borax) content 10%～40%, optimum concn 18%～21% according to the described organic boron delay cross linking plant gum fracturing fluid of claim 10; Glyoxal content 20%～60%, optimum concn 35%～42%; Trolamine content 1%～10%, optimum concn are 5%～6%.
12. according to the described organic boron delay cross linking plant gum fracturing fluid of claim 10, it is characterized in that the B component is an aqueous sodium hydroxide solution, naoh concentration is 10%～40%, optimum concn 20%～25%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031047386A CN1524920A (en) | 2003-02-28 | 2003-02-28 | Organic boron delay cross-linking plant adhesive breakdown fluid |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA031047386A CN1524920A (en) | 2003-02-28 | 2003-02-28 | Organic boron delay cross-linking plant adhesive breakdown fluid |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100404638C (en) * | 2006-07-07 | 2008-07-23 | 中国石油天然气股份有限公司 | High density fracturing liquid |
| CN101838528A (en) * | 2009-03-17 | 2010-09-22 | 大连百奥泰科技有限公司 | Environment-friendly and bio-available green fracturing fluid system |
| CN101880523A (en) * | 2010-07-02 | 2010-11-10 | 大连百奥泰科技有限公司 | Enzyme-microbe coupled fracturing fluid system and preparation method and applications thereof |
| CN102154001A (en) * | 2011-03-02 | 2011-08-17 | 陕西科技大学 | Method for preparing solid organic boron delayed cross-linking agent |
| CN102304356A (en) * | 2011-07-06 | 2012-01-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Method for preparing environmentally-friendly type water-based fracturing fluid by utilizing environmentally-friendly type multiple-effect thickening agent |
| CN102337114A (en) * | 2011-08-03 | 2012-02-01 | 西安长庆化工集团有限公司 | Inorganic boron crosslinking agent and preparation method thereof |
| CN101705082B (en) * | 2009-11-20 | 2012-07-04 | 中国石油大学(华东) | Formulated fracturing fluid of micro emulsion gel |
| CN102559162A (en) * | 2010-12-08 | 2012-07-11 | 中国石油天然气股份有限公司 | Leakage-proof type temporary blockage additive for low-pressure thin oil well |
| CN102108294B (en) * | 2009-12-23 | 2012-12-12 | 中国石油天然气股份有限公司 | Preparation method of organic titanium cross-linking agent for polyhydroxy alcohol fracturing fluid |
| CN103215025A (en) * | 2013-05-16 | 2013-07-24 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Novel vegetable gum fracturing fluid jelly for oil well |
| CN103305205A (en) * | 2012-03-09 | 2013-09-18 | 中国石油天然气股份有限公司 | Preparation method for polyhydroxy-alcohol fracturing fluid cross-linking agent |
| CN103484093A (en) * | 2012-06-13 | 2014-01-01 | 中国石油天然气股份有限公司 | Gel breaking and emulsion breaking oil-in-water emulsification fracturing fluid |
| CN103484092A (en) * | 2012-06-13 | 2014-01-01 | 中国石油天然气股份有限公司 | Ultralow-temperature guanidine gum fracturing fluid |
| CN103965860A (en) * | 2014-04-23 | 2014-08-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Cleanup vegetable gum fracturing fluid and preparation method thereof |
| CN105567212A (en) * | 2016-01-13 | 2016-05-11 | 东营施普瑞石油工程技术有限公司 | Reusable modified guar gum fracturing fluid system |
| CN105623640A (en) * | 2016-01-13 | 2016-06-01 | 东营施普瑞石油工程技术有限公司 | Preparation method of organoboron high-temperature crosslinking agent used for fracturing |
| CN105985762A (en) * | 2015-02-11 | 2016-10-05 | 瑞智石油建井服务（中国）有限公司 | Fracturing fluid and preparation method thereof |
| CN106467736A (en) * | 2015-08-21 | 2017-03-01 | 中国石油化工股份有限公司 | A kind of fracturing fluid for shale pressure break and preparation method thereof |
| CN108822824A (en) * | 2018-07-21 | 2018-11-16 | 北京宝丰春石油技术有限公司 | A kind of delayed-type borate crosslinker |
| CN110791268A (en) * | 2019-09-21 | 2020-02-14 | 海洋石油工程股份有限公司 | Delayed crosslinking gel with interpenetrating network structure and preparation method thereof |
| CN110903817A (en) * | 2018-09-17 | 2020-03-24 | 中国石油天然气股份有限公司 | Viscosity reducer for reducing viscosity of base liquid of vegetable gum temporary plugging rubber plug and preparation method thereof |
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2003
- 2003-02-28 CN CNA031047386A patent/CN1524920A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100404638C (en) * | 2006-07-07 | 2008-07-23 | 中国石油天然气股份有限公司 | High density fracturing liquid |
| CN101838528A (en) * | 2009-03-17 | 2010-09-22 | 大连百奥泰科技有限公司 | Environment-friendly and bio-available green fracturing fluid system |
| CN101838528B (en) * | 2009-03-17 | 2013-11-20 | 大连百奥泰科技有限公司 | Environment-friendly and bio-available green fracturing fluid system |
| CN101705082B (en) * | 2009-11-20 | 2012-07-04 | 中国石油大学(华东) | Formulated fracturing fluid of micro emulsion gel |
| CN102108294B (en) * | 2009-12-23 | 2012-12-12 | 中国石油天然气股份有限公司 | Preparation method of organic titanium cross-linking agent for polyhydroxy alcohol fracturing fluid |
| CN101880523B (en) * | 2010-07-02 | 2013-10-30 | 大连百奥泰科技有限公司 | Enzyme-microbe coupled fracturing fluid system and preparation method and applications thereof |
| CN101880523A (en) * | 2010-07-02 | 2010-11-10 | 大连百奥泰科技有限公司 | Enzyme-microbe coupled fracturing fluid system and preparation method and applications thereof |
| CN102559162A (en) * | 2010-12-08 | 2012-07-11 | 中国石油天然气股份有限公司 | Leakage-proof type temporary blockage additive for low-pressure thin oil well |
| CN102559162B (en) * | 2010-12-08 | 2014-11-26 | 中国石油天然气股份有限公司 | Leakage-proof type temporary blockage additive for low-pressure thin oil well |
| CN102154001B (en) * | 2011-03-02 | 2013-04-03 | 陕西科技大学 | Method for preparing solid organic boron delayed cross-linking agent |
| CN102154001A (en) * | 2011-03-02 | 2011-08-17 | 陕西科技大学 | Method for preparing solid organic boron delayed cross-linking agent |
| CN102304356A (en) * | 2011-07-06 | 2012-01-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Method for preparing environmentally-friendly type water-based fracturing fluid by utilizing environmentally-friendly type multiple-effect thickening agent |
| CN102304356B (en) * | 2011-07-06 | 2014-08-20 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Method for preparing environmentally-friendly type water-based fracturing fluid by utilizing environmentally-friendly type multiple-effect thickening agent |
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| CN103305205B (en) * | 2012-03-09 | 2016-04-06 | 中国石油天然气股份有限公司 | A kind of preparation method of polyhydroxy-alcohol fracturing fluid linking agent |
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| CN103484093A (en) * | 2012-06-13 | 2014-01-01 | 中国石油天然气股份有限公司 | Gel breaking and emulsion breaking oil-in-water emulsification fracturing fluid |
| CN103484092A (en) * | 2012-06-13 | 2014-01-01 | 中国石油天然气股份有限公司 | Ultralow-temperature guanidine gum fracturing fluid |
| CN103215025A (en) * | 2013-05-16 | 2013-07-24 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Novel vegetable gum fracturing fluid jelly for oil well |
| CN103965860A (en) * | 2014-04-23 | 2014-08-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Cleanup vegetable gum fracturing fluid and preparation method thereof |
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| CN106467736A (en) * | 2015-08-21 | 2017-03-01 | 中国石油化工股份有限公司 | A kind of fracturing fluid for shale pressure break and preparation method thereof |
| CN105567212A (en) * | 2016-01-13 | 2016-05-11 | 东营施普瑞石油工程技术有限公司 | Reusable modified guar gum fracturing fluid system |
| CN105623640A (en) * | 2016-01-13 | 2016-06-01 | 东营施普瑞石油工程技术有限公司 | Preparation method of organoboron high-temperature crosslinking agent used for fracturing |
| CN108822824A (en) * | 2018-07-21 | 2018-11-16 | 北京宝丰春石油技术有限公司 | A kind of delayed-type borate crosslinker |
| CN110903817A (en) * | 2018-09-17 | 2020-03-24 | 中国石油天然气股份有限公司 | Viscosity reducer for reducing viscosity of base liquid of vegetable gum temporary plugging rubber plug and preparation method thereof |
| CN110903817B (en) * | 2018-09-17 | 2022-08-05 | 中国石油天然气股份有限公司 | Viscosity reducer for reducing viscosity of base liquid of vegetable gum temporary plugging rubber plug and preparation method thereof |
| CN110791268A (en) * | 2019-09-21 | 2020-02-14 | 海洋石油工程股份有限公司 | Delayed crosslinking gel with interpenetrating network structure and preparation method thereof |
| CN110791268B (en) * | 2019-09-21 | 2022-05-03 | 海洋石油工程股份有限公司 | Delayed crosslinking gel with interpenetrating network structure and preparation method thereof |
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