CN101955757A - Hydrolyzed polyacrylonitrile-compound ammonium salt for drilling fluid - Google Patents
Hydrolyzed polyacrylonitrile-compound ammonium salt for drilling fluid Download PDFInfo
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- CN101955757A CN101955757A CN 201010261692 CN201010261692A CN101955757A CN 101955757 A CN101955757 A CN 101955757A CN 201010261692 CN201010261692 CN 201010261692 CN 201010261692 A CN201010261692 A CN 201010261692A CN 101955757 A CN101955757 A CN 101955757A
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Abstract
The invention discloses a hydrolyzed polyacrylonitrile-compound ammonium salt, which is prepared by mixing the following six components in percentage by weight: 20 to 50 percent of hydrolyzed polyacrylonitrile ammonium salt as a main polymer; 10 to 20 percent of potassium polyacrylate, 1 to 5 percent of amphoteric ionic polymer fluid loss additive JT888, 10 to 30 percent of polyacrylamide and 20 to 40 percent of nanmu powder as auxiliary polymers; and 1 to 10 percent of sodium hexametahposphate as a flow pattern modifying agent. The hydrolyzed polyacrylonitrile-compound ammonium salt has the functions of resisting the temperature of 150 DEG C, resisting 15 percent of salts, reducing filtration lost water, reducing adjacency, preventing collapse and the like, and becomes a multifunctional finishing agent of a polymer drilling fluid system.
Description
Technical field
The present invention relates to a kind of assistant for drilling petroleum well, specifically a kind of drilling fluid hydrolyzed polyacrylonitrile-ammonium salt compound.
Background technology
At present, in petroleum drilling operation, the insider usually adds water with wilkinite and makes drilling fluid and be beneficial to normally carrying out of drilling well.For the filter loss that reduces drilling fluid and the apparent viscosity of drilling fluid, generally be the treatment agent that adds one-component, as the hydrolyzed polyacrylonitrile ammonium salt, as the drilling well auxiliary agent, can obviously reduce the filter loss of drilling fluid and the apparent viscosity of mud with it.But with the hydrolyzed polyacrylonitrile ammonium salt as the drilling well auxiliary agent part that also comes with some shortcomings.The anti-salt of hydrolyzed polyacrylonitrile ammonium salt, viscosity reduction, temperature resistance, leak-off falls, caving-preventing characteristic is undesirable.The disclosed drilling well viscosity control agent of JP58-104981, the monomer that has unsaturated link(age) with vinylformic acid, acrylic amine, vinyl cyanide etc. forms by polyreaction, and the prices of raw and semifnished materials are higher, the technology controlling and process more complicated.The disclosed drilling composition of RU2104292 is a kind of drilling mud product that is used for petroleum engineering.CN1338498A discloses a kind of assistant for drilling petroleum well and preparation method thereof, and it contains following components in weight percentage: acrylic fibers 100-200 part, water 500-1200 part, polyacrylate 5-15 part, polyacrylamide 0.5-1.5 part, linking agent 2-15 part.Its performance is general.CN1227246A discloses a kind of polymer fluid loss reducing additive for drilling fluid, and it is to be that host polymer, nanmu powder are that auxiliary polyalcohol, ironic hydroxide are that three components of modification adjusting control agent mix with the hydrolyzed polyacrylonitrile ammonium salt.CN1227247A discloses a kind of polymer fluid loss reducing additive for drilling fluid, and it is to be that host polymer, nanmu powder are that auxiliary polyalcohol, yellow soda ash are that three components of modification adjusting control agent mix with the hydrolyzed polyacrylonitrile ammonium salt.CN1122356A discloses a kind of filtering-loss reducing agent of humic resin and preparation method thereof, fluid loss agent consists of humic acid activity intermediate, the multiple polymers of water-soluble polypropylene nitrile ammonium salt and water-soluble carbon amide resins, and the preparation method adopts the not deslagging operational path of single stage method or two-step approach.CN1242408A discloses a kind of weathered coal resene brine type fluid loss agent and preparation method thereof, fluid loss agent consists of humic acid activity intermediate, the multiple polymers of water-soluble polypropylene nitrile ammonium salt and water-soluble carbon amide resins, and the preparation method adopts the not deslagging operational path of single stage method or two-step approach.CN1242407A discloses a kind of valchovite type high temp salt resistant filter loss reduction agent and preparation method thereof, fluid loss agent consists of humic acid activity intermediate, the multiple polymers of water-soluble polypropylene nitrile ammonium salt and water-soluble carbon amide resins, and the preparation method adopts the not deslagging operational path of single stage method or two-step approach.CN1775892A discloses polymeric alcohol oil-layer protectant formula and the preparation method that a kind of oil drilling uses, and is made up of following raw materials according: polyoxyethylene glycol, polyoxyethylene glycol, polyoxyethylene glycol, polyacrylamide, hydrolyzed polyacrylonitrile ammonium salt, dehydrated alcohol, water.CN101735776A discloses a kind of low toxicity of oilfield drilling operation or nontoxic multifunctional well-drilling liquid treating agent of being used for, its technical scheme is earlier water to be put in the retort, slowly add dispersion agent MV-CMC and colloid protecting resistance JT888 in the circulation, the disposable adding emulsifier op-10 in dissolving back, circulated 10 minutes, slowly add whiteruss, add back emulsification 30 minutes; Add defoamer YHP-008 then, continued again circulation 5-10 minute; Add 36% formaldehyde at last and make sanitas, recirculation 5 minutes promptly gets product low toxicity of the present invention or nontoxic multifunctional well-drilling liquid treating agent.More than these technology for how to make the assistant for drilling petroleum well performance is better not to provide concrete guidance program.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of drilling fluid with hydrolyzed polyacrylonitrile-ammonium salt compound (assistant for drilling petroleum well), its temperature resistance, anti-salt, leak-off falls, caving-preventing characteristic is better.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Drilling fluid is with hydrolyzed polyacrylonitrile-ammonium salt compound (or perhaps drilling fluid with the anti-salt viscosity reduction of polymkeric substance fluid loss agent), it is to be main polymers with the hydrolyzed polyacrylonitrile ammonium salt, polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide, the nanmu powder is auxilliary polymers, Sodium hexametaphosphate 99 is that six kinds of components of flow pattern regulator mix, and wherein the scope of the weight percent of each component is a hydrolyzed polyacrylonitrile ammonium salt 20%～50%, polyacrylic acid potassium 10%～20%, amphoteric ion polymer fluid loss additive JT8881%～5%, polyacrylamide 10%～30%, nanmu powder 20%～40%, Sodium hexametaphosphate 99 1%～10%.
Drilling fluid of the present invention with the preferred weight percent of hydrolyzed polyacrylonitrile-ammonium salt compound (auxiliary agent of the present invention in other words conj.or perhaps) is: hydrolyzed polyacrylonitrile ammonium salt 40%～50%, polyacrylic acid potassium 10%～15%, amphoteric ion polymer fluid loss additive JT888 2%～5%, polyacrylamide 15%～20%, nanmu powder 20%～30%, Sodium hexametaphosphate 99 1%～4%.
Preparation method of the present invention separates polyacrylonitrile ammonium salt, polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide, nanmu powder, Sodium hexametaphosphate 99 by the weight percent water intaking of above-mentioned each component, put into mixing machine respectively, mix and promptly get product.Product appearance is the tawny powder.Auxiliary agent of the present invention can be sneaked in the drilling fluid by 1.0%～2.0% amount by 0.5%～1.0% amount (weight), in brine system in the fresh water system and be used.
The present invention is to be main polymers with the hydrolyzed polyacrylonitrile ammonium salt, polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide, nanmu powder are auxilliary polymers, Sodium hexametaphosphate 99 is that six kinds of components of flow pattern regulator mix, auxiliary polyalcohol polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide are high molecular polymers, they have good anti-salt, anticalcium, fall the effect of leak-off, and the nanmu powder has the function of good anti-collapse, leak stopping.Through test, (significantly) effect such as treatment agent of the present invention has 150 ℃ of temperature resistances, anti-salt 15%, falls leak-off water, viscosity reduction is cut, anti-collapse becomes the multi-functional treatment agent of polymer drilling fluid system.Following subordinate list and contrast table (table 1) further specify distinguishing feature of the present invention.
Subordinate list
Table 1
Control group 1 is to handle through the hydrolyzed polyacrylonitrile ammonium salt; Control group 2 is to handle through the disclosed a kind of assistant for drilling petroleum well of CN1338498A; Experimental group is to handle through the hydrolyzed polyacrylonitrile ammonium salt compound.
Embodiment
The present invention is further described below in conjunction with embodiment:
Embodiment 1: drilling fluid hydrolyzed polyacrylonitrile-ammonium salt compound, it is to be main polymers with the hydrolyzed polyacrylonitrile ammonium salt, polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide, nanmu powder are auxilliary polymers, Sodium hexametaphosphate 99 is that six kinds of components of flow pattern regulator mix, and wherein the scope of the weight percent of each component is hydrolyzed polyacrylonitrile ammonium salt 40%, polyacrylic acid potassium 10%, amphoteric ion polymer fluid loss additive JT8885%, polyacrylamide 16%, nanmu powder 25, Sodium hexametaphosphate 99 4%.
Concrete preparation method of the present invention is that 40 kilograms of polyacrylonitrile ammonium salts, 10 kilograms of polyacrylic acid potassiums, amphoteric ion polymer fluid loss additive JT8885 kilogram, 16 kilograms of polyacrylamides, 25 kilograms in nanmu powder, 4 kilograms of Sodium hexametaphosphate 99s are separated in water intaking, put into respectively (conventional) mixing machine, mix and promptly get product.Product appearance is the tawny powder.Auxiliary agent of the present invention can be sneaked in the drilling fluid by 1.0%～2.0% amount by 0.5%～1.0% amount (weight), in brine system in the fresh water system and be used.
Embodiment 2: drilling fluid hydrolyzed polyacrylonitrile-ammonium salt compound, it is to be main polymers with the hydrolyzed polyacrylonitrile ammonium salt, polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide, nanmu powder are auxilliary polymers, and Sodium hexametaphosphate 99 is that six kinds of components of flow pattern regulator mix.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 40%, polyacrylic acid potassium 12%, amphoteric ion polymer fluid loss additive JT8882%, polyacrylamide 17%, nanmu powder 25%, Sodium hexametaphosphate 99 4%.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 45%, polyacrylic acid potassium 10%, amphoteric ion polymer fluid loss additive JT8882%, polyacrylamide 15%, nanmu powder 27%, Sodium hexametaphosphate 99 1%.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 43%, polyacrylic acid potassium 13%, amphoteric ion polymer fluid loss additive JT8884%, polyacrylamide 16%, nanmu powder 20%, Sodium hexametaphosphate 99 4%.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 50%, polyacrylic acid potassium 10%, amphoteric ion polymer fluid loss additive JT8882%, polyacrylamide 15%, nanmu powder 20%, Sodium hexametaphosphate 99 3%.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 40%, polyacrylic acid potassium 15%, amphoteric ion polymer fluid loss additive JT8883%, polyacrylamide 15%, nanmu powder 25%, Sodium hexametaphosphate 99 2%.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 20%, polyacrylic acid potassium 20%, amphoteric ion polymer fluid loss additive JT8885%, polyacrylamide 25%, nanmu powder 22%, Sodium hexametaphosphate 99 8%.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 30%, polyacrylic acid potassium 13%, amphoteric ion polymer fluid loss additive JT8882%, polyacrylamide 10%, nanmu powder 40%, Sodium hexametaphosphate 99 5%.
Wherein the weight percent of each component can be: hydrolyzed polyacrylonitrile ammonium salt 25%, polyacrylic acid potassium 10%, amphoteric ion polymer fluid loss additive JT8882%, polyacrylamide 30%, nanmu powder 30%, Sodium hexametaphosphate 99 3%.
Concrete preparation method of the present invention separates polyacrylonitrile ammonium salt, polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide, nanmu powder, Sodium hexametaphosphate 99 by the weight percent water intaking of above-mentioned each component, put into mixing machine respectively, mix, both got product.Product appearance is the tawny powder.Auxiliary agent of the present invention can be sneaked in the drilling fluid by 1.0%～2.0% amount by 0.5%～1.0% amount (weight), in brine system in the fresh water system and be used.
The used drilling fluid of the present invention is a product sold on the market with amphoteric ion polymer fluid loss additive JT888, is a kind of amphoteric ion polymer fluid loss additive that integrates strong rejection capability, good anti-salt calcium and heat-resisting property.This agent is the high molecular weight water soluble polymer (specifically being a kind of both sexes compound ion type polymer class additive for drilling fluid that is formed by vinylformic acid, acrylamide, sodium allylsulfonate and cationic monomer copolymerization) that is formed by multiple nonionic, positively charged ion, anionic monomer copolymerization.Its physicochemical property such as following table:
| Project | Index |
| Outward appearance | White or little brown particle |
| 1% aqueous solution apparent viscosity mPas 〉= | 6 |
| Moisture content %≤ | 10 |
| Fineness 20 targets sieves by % 〉= | 80 |
| 1% pH value of water solution | 7～9 |
Claims (2)
1. a drilling fluid is with hydrolyzed polyacrylonitrile-ammonium salt compound, it is characterized in that it is is main polymers with the hydrolyzed polyacrylonitrile ammonium salt, polyacrylic acid potassium, amphoteric ion polymer fluid loss additive JT888, polyacrylamide, nanmu powder are auxilliary polymers, Sodium hexametaphosphate 99 is that six kinds of components of flow pattern regulator mix, and wherein the scope of the weight percent of each component is:
Hydrolyzed polyacrylonitrile ammonium salt 20%～50%, polyacrylic acid potassium 10%～20%, amphoteric ion polymer fluid loss additive JT8881%～5%, polyacrylamide 10%～30%, nanmu powder 20%～40%, Sodium hexametaphosphate 99 1%～10%.
2. drilling fluid according to claim 1 hydrolyzed polyacrylonitrile-ammonium salt compound is characterized in that the scope of the weight percent of each component is:
Hydrolyzed polyacrylonitrile ammonium salt 40%～50%, polyacrylic acid potassium 10%～15%, amphoteric ion polymer fluid loss additive JT8882%～5%, polyacrylamide 15%～20%, nanmu powder 20%～30%, Sodium hexametaphosphate 99 1%～4%.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352223A (en) * | 2011-07-22 | 2012-02-15 | 石家庄华莱鼎盛科技有限公司 | Hydrolyzed polyacrylonitrile-bipoly ammonium salt for drilling fluid |
| CN102660039A (en) * | 2012-04-26 | 2012-09-12 | 山东大学 | Method for preparing hydrolyzed polyacrylonitrile filtrate reducer by cross-linking inorganic metal ions |
| CN102994055A (en) * | 2012-12-27 | 2013-03-27 | 河北华运鸿业化工有限公司 | Method for preparing filtrate reducer hydrolyzed polyacrylonitrile for drilling fluid |
| RU2492209C2 (en) * | 2011-07-29 | 2013-09-10 | Республиканское Унитарное Предприятие "Производственное Объединение "Белоруснефть" | Method to produce reagent-inhibitor with stabilising properties for treatment of fresh drilling mud |
| CN104086313A (en) * | 2014-07-22 | 2014-10-08 | 甘肃西部凹凸棒石应用研究院 | Inorganic-organic nutritional soil improver and preparation method thereof |
| CN106928942A (en) * | 2017-03-10 | 2017-07-07 | 石家庄华莱鼎盛科技有限公司 | Fluid loss additive for boring fluid AM/AA/ hydrolyzed polyacrylonitrile ammonium salt copolymer aquas and preparation method thereof |
| CN109181657A (en) * | 2018-09-20 | 2019-01-11 | 河北硅谷化工有限公司 | Drilling fluid anti-collapse and anti-falling filtration agent |
| CN116589989A (en) * | 2023-05-31 | 2023-08-15 | 萍乡市汇鑫化工科技有限公司 | Preparation method of anti-collapse filtrate reducer for drilling fluid |
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| CN1227247A (en) * | 1999-01-06 | 1999-09-01 | 石家庄华莱石油助剂有限公司 | Polymer fluid loss reducing additive for drilling fluid |
| CN101643641A (en) * | 2009-06-18 | 2010-02-10 | 东营泰尔石油技术有限公司 | Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly |
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2010
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Patent Citations (2)
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| CN1227247A (en) * | 1999-01-06 | 1999-09-01 | 石家庄华莱石油助剂有限公司 | Polymer fluid loss reducing additive for drilling fluid |
| CN101643641A (en) * | 2009-06-18 | 2010-02-10 | 东营泰尔石油技术有限公司 | Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352223A (en) * | 2011-07-22 | 2012-02-15 | 石家庄华莱鼎盛科技有限公司 | Hydrolyzed polyacrylonitrile-bipoly ammonium salt for drilling fluid |
| RU2492209C2 (en) * | 2011-07-29 | 2013-09-10 | Республиканское Унитарное Предприятие "Производственное Объединение "Белоруснефть" | Method to produce reagent-inhibitor with stabilising properties for treatment of fresh drilling mud |
| CN102660039A (en) * | 2012-04-26 | 2012-09-12 | 山东大学 | Method for preparing hydrolyzed polyacrylonitrile filtrate reducer by cross-linking inorganic metal ions |
| CN102660039B (en) * | 2012-04-26 | 2013-08-21 | 山东大学 | Method for preparing hydrolyzed polyacrylonitrile filtrate reducer by cross-linking inorganic metal ions |
| CN102994055A (en) * | 2012-12-27 | 2013-03-27 | 河北华运鸿业化工有限公司 | Method for preparing filtrate reducer hydrolyzed polyacrylonitrile for drilling fluid |
| CN102994055B (en) * | 2012-12-27 | 2014-07-30 | 河北华运鸿业化工有限公司 | Method for preparing filtrate reducer hydrolyzed polyacrylonitrile for drilling fluid |
| CN104086313A (en) * | 2014-07-22 | 2014-10-08 | 甘肃西部凹凸棒石应用研究院 | Inorganic-organic nutritional soil improver and preparation method thereof |
| CN106928942A (en) * | 2017-03-10 | 2017-07-07 | 石家庄华莱鼎盛科技有限公司 | Fluid loss additive for boring fluid AM/AA/ hydrolyzed polyacrylonitrile ammonium salt copolymer aquas and preparation method thereof |
| CN106928942B (en) * | 2017-03-10 | 2017-12-08 | 石家庄华莱鼎盛科技有限公司 | Fluid loss additive for boring fluid AM/AA/ hydrolyzed polyacrylonitrile ammonium salt copolymer aquas and preparation method thereof |
| CN109181657A (en) * | 2018-09-20 | 2019-01-11 | 河北硅谷化工有限公司 | Drilling fluid anti-collapse and anti-falling filtration agent |
| CN116589989A (en) * | 2023-05-31 | 2023-08-15 | 萍乡市汇鑫化工科技有限公司 | Preparation method of anti-collapse filtrate reducer for drilling fluid |
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| CN101955757B (en) | 2012-07-18 |
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