CN101519585A - Shearing cross-linking sensitive plugging agent and preparation method thereof - Google Patents
Shearing cross-linking sensitive plugging agent and preparation method thereof Download PDFInfo
- Publication number
- CN101519585A CN101519585A CN200910061384A CN200910061384A CN101519585A CN 101519585 A CN101519585 A CN 101519585A CN 200910061384 A CN200910061384 A CN 200910061384A CN 200910061384 A CN200910061384 A CN 200910061384A CN 101519585 A CN101519585 A CN 101519585A
- Authority
- CN
- China
- Prior art keywords
- parts
- organic titanium
- plugging agent
- linking
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Macromonomer-Based Addition Polymer (AREA)
- Lubricants (AREA)
Abstract
The invention provides a shearing cross-linking sensitive plugging agent used for the drilling engineering. The plugging agent comprises the following components: 40 to 60 parts of organic titanium coal-oil solution, 40 to 60 parts of modified guar gum solution and 2 to 5 parts of emulsifier, wherein the organic titanium coal-oil solution is the mixture of coal oil and organic titanium, the organic titanium is any one of the titanate compounds, the modified guar gum solution is obtained by the graft copolymerization of acrylamide, hydroxymethyl acrylamide monomer and guar gum, and the emulsifier is fatty acid polyoxyethylene ether. The preparation method comprises the following steps: the 2 to 5 parts of the emulsifier is added to the 40 to 60 parts of the organic titanium coal-oil solution, the emulsifier and the organic titanium coal-oil solution are evenly stirred, then the 40 to 60 parts of the modified guar gum solution is added into the mixture slowly and stirred for 1 hour at the temperature of 30 to 35 DEG C to form stable reversed emulsion through a colloid mill, and the finished product of the shearing cross-linking sensitive plugging agent is further obtained. The shearing cross-linking sensitive plugging agent is used for plugging a drilling, the cross-linking agent can be immediately mixed with macromolecule under the action of the high shearing rate of the bit port to generate cross-linking, and the gelling stemming similar to the plastic solid is formed so as to rapidly block the serious leakage layer.
Description
Technical field
The present invention relates to drilling leakage blockage engineering field, refer more particularly to shearing cross-linking sensitive plugging agent and preparation method.
Background technology
Leakage is ubiquity and a very serious problem in the oilfield drilling, and it not only influences drilling speed, and can cause enormous economic loss.The blocking method that generally adopts both at home and abroad mainly is the bridging plug leak stopping at present, because down-hole drop ply character (as fracture width) is difficult to accurate judgement, blocking agent grain diameter and drop ply fracture width do not match, and the repeatability leakage take place after often easily causing the not good and leak stopping of plugging effect.Simultaneously, the bridging plug leak stopping needs to make a trip in the leak stopping implementation process, thereby influences drilling operation efficient.In recent years, from the research and the application feature of external patching materials, the chemical leak-stopping agent development is very fast.Because the quickening of oil development speed, drilling well is faced with leakage stratum more complicated and changeable, needs further to develop novel plugging agent, adapting to and to satisfy the needs of the dissimilar drop plies of shutoff, and the requirement of high quality and high speed drilling.
Summary of the invention
The purpose of this invention is to provide and a kind ofly under the effect of bit port high shear rate, can take place crosslinked and form the plugging agent and the preparation method of gel blocking thing.
For achieving the above object, technical scheme of the present invention is:
Shearing cross-linking sensitive plugging agent is made of following parts by weight of component:
40～60 parts of organic titanium kerosins
40～60 parts of the modified guar aqueous solution
2～5 parts of emulsifying agents
Wherein: the organic titanium kerosin is the mixture of kerosene and organic titanium, organic titanium concentration (mass percent) is 0.1～1.0%, the modified guar aqueous solution is to be got by acrylamide, n-methylolacrylamide monomer and guar gum graft copolymerization, and emulsifying agent is an aliphatic acid polyethenoxy ether.
Organic titanium is a titanate compound: as in positive metatitanic acid tetra isopropyl ester, the two isopropyl esters of positive metatitanic acid dilactic acid, the two sec.-propyl fat of the two trolamines of positive metatitanic acid any one.
The graft copolymerization process of the modified guar aqueous solution is: with 100 parts of cold water 0.5～1.5 part of guar gum is disperseed, dissolves; logical nitrogen 1h; add 0.001～0.01 part of ammonium cerous sulfate solution; stir after 10 minutes; add 0.1～0.3 part of acrylamide, 0.1～0.3 part of n-methylolacrylamide monomer, under nitrogen protection, continued stirring reaction 2 hours.
Aliphatic acid polyethenoxy ether is to be C by carbon chain lengths
12～C
18The adduct of saturated or unsaturated fatty acids and oxyethane, the molar ratio of lipid acid and oxyethane is 1:3～15.
Positively effect of the present invention is:
1, can be fit to different in width fracture formation and absorbent ground leak stopping;
2, need not to make a trip in the plugging operations process;
3, plugging agent do not take place on the ground crosslinked, but pumping only could cause gelling after high strength is sheared producing by bit port by any subsurface tool;
4, can mate with various drilling fluids.
Embodiment
The present invention is described further below by embodiment:
(1) preparation of organic titanium kerosin
Organic titanium is as linking agent, can will contain～the OH macromolecular chain interconnects and forms a kind of three dimensional structure, organic titanium is a titanate compound as in positive metatitanic acid tetra isopropyl ester, the two isopropyl esters of positive metatitanic acid dilactic acid, the two isopropyl esters of the two trolamines of positive metatitanic acid any one, organic titanium is mixed formation organic titanium kerosin with kerosene, the concentration (mass percent) of organic titanium cross-linking agent in kerosene is 0.1～1.0%.
(2) preparation of the modified guar aqueous solution
Modified guar is as viscosifying agent; be to obtain by acrylamide, n-methylolacrylamide monomer and guar gum graft copolymerization; its graft copolymerization process is: with 100 parts of cold water 0.5～1.5 part of guar gum is disperseed, dissolves; logical nitrogen 1 hour; add 0.001～0.01 part of ammonium cerous sulfate solution; stir after 10 minutes, add 0.1～0.3 part of acrylamide, 0.1～0.3 part of n-methylolacrylamide monomer, under nitrogen protection, continued stirring reaction 2 hours.
(3) preparation of emulsifying agent
Aliphatic acid polyethenoxy ether is C by carbon chain lengths
12～C
18The adduct of saturated or unsaturated fatty acids and oxyethane, wherein the molar ratio of lipid acid and oxyethane is 1:3～15.
(4) preparation of shearing cross-linking sensitive plugging agent
Get 300mL kerosene with graduated cylinder and pour in the beaker, add the positive metatitanic acid tetra isopropyl of 1.0g ester, stirring and dissolving adds the 10g oleic acid polyoxyethylene, stirring and dissolving then.In three neck reaction flasks, the 2.0g guar gum is disperseed, dissolves with 200mL cold water; logical nitrogen 1 hour adds 0.003g ammonium cerous sulfate solution, stirs after 10 minutes; add 0.2g acrylamide, 0.1g n-methylolacrylamide monomer, under nitrogen protection, continued stirring reaction 2 hours.Under agitation condition, the modified guar aqueous solution in the three neck reaction flasks is slowly joined in the kerosin that contains the oleic acid polyoxyethylene emulsifying agent, form the plugging agent product.
The case test result:
Add 7.5gNaOH in 250mL water, stirring and dissolving adds the above-mentioned plugging agent of 250g, stirs 15 minutes under the condition of 10000r/min, measures then and places gel-strength under the different time, the results are shown in 1.
Table 1 is placed the gel-strength under the different time
| Time (min) | 5 | 30 | 60 | 120 | 180 |
| Gel-strength (kg/cm 2) | 0.1 | 2.4 | 3.7 | 4.6 | 4.8 |
As shown in Table 1, plugging agent after the high speed shear, begins that gel formation is arranged after 30 minutes under alkaline environment, forms than stable gel intensity after 120～180 minutes.
Claims (5)
1, a kind of shearing cross-linking sensitive plugging agent that is used for drilling leakage blockage is characterized in that, shearing cross-linking sensitive plugging agent is made of following weight part component:
40～60 parts of organic titanium kerosins
40～60 parts of the modified guar aqueous solution
2～5 parts of emulsifying agents
Wherein: the organic titanium kerosin is the mixture of kerosene and organic titanium, wherein organic titanium concentration (mass percent) is 0.1～1.0%, the modified guar aqueous solution is to be got by acrylamide, n-methylolacrylamide monomer and guar gum graft copolymerization, and emulsifying agent is an aliphatic acid polyethenoxy ether.
2, shearing cross-linking sensitive plugging agent according to claim 1 is characterized in that: organic titanium is a titanate compound: as in positive metatitanic acid tetra isopropyl ester, the two isopropyl esters of positive metatitanic acid dilactic acid, the two sec.-propyl fat of the two trolamines of positive metatitanic acid any one.
3, shearing cross-linking sensitive plugging agent according to claim 1; it is characterized in that: the graft copolymerization process of the modified guar aqueous solution is: with 100 parts of cold water 0.5～1.5 part of guar gum is disperseed, dissolves; logical nitrogen 1 hour; add 0.001～0.01 part of ammonium cerous sulfate solution; stir after 10 minutes; add 0.1～0.3 part of acrylamide, 0.1～0.3 part of n-methylolacrylamide monomer, under nitrogen protection, continued stirring reaction 2 hours.
4, shearing cross-linking sensitive plugging agent according to claim 1 is characterized in that: aliphatic acid polyethenoxy ether is to be C by carbon chain lengths
12～C
18The adduct of saturated or unsaturated fatty acids and oxyethane, the molar ratio of lipid acid and oxyethane is 1:3～15.
5, shearing cross-linking sensitive plugging agent according to claim 1, it is characterized in that: the preparation method of shearing cross-linking sensitive plugging agent is, 2～5 parts of emulsifying agent aliphatic acid polyethenoxy ethers are joined in 40～60 parts of organic titanium kerosins, stir, then under the stirring of 200r/min, slowly add 40～60 parts of modified guar aqueous solution, in the time of 30～35 ℃, stirred 1 hour, after colloidal mill forms stable rp-emulsification liquid, promptly obtain the shearing cross-linking sensitive plugging agent finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100613847A CN101519585B (en) | 2009-03-31 | 2009-03-31 | Shearing cross-linking sensitive plugging agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100613847A CN101519585B (en) | 2009-03-31 | 2009-03-31 | Shearing cross-linking sensitive plugging agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101519585A true CN101519585A (en) | 2009-09-02 |
| CN101519585B CN101519585B (en) | 2011-05-04 |
Family
ID=41080389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100613847A Expired - Fee Related CN101519585B (en) | 2009-03-31 | 2009-03-31 | Shearing cross-linking sensitive plugging agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101519585B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 temporary plugging agent for low-pressure thin oil well |
| CN102911649A (en) * | 2011-08-05 | 2013-02-06 | 中国石油天然气股份有限公司 | High-strength self-degradation packing material and preparation method thereof |
| CN105219365A (en) * | 2015-09-11 | 2016-01-06 | 中石化石油工程技术服务有限公司 | Middle-deep well cross-linked polymer gel plugging agent and preparation method thereof |
| CN106277989A (en) * | 2016-08-17 | 2017-01-04 | 张静 | A kind of preparation method of anti-leakage blocking agent |
| CN106336861A (en) * | 2016-08-30 | 2017-01-18 | 董晓 | Preparation method of novel plugging agent |
| CN107868658A (en) * | 2016-09-26 | 2018-04-03 | 中国石油化工股份有限公司 | Fracturing fluid hydrophobic association type guanidine glue and preparation method thereof |
| DE102016225147A1 (en) | 2016-12-15 | 2018-06-21 | Clariant International Ltd | Hybrid polymers and use as additives in deep wells |
| DE102016225151A1 (en) | 2016-12-15 | 2018-06-21 | Clariant International Ltd | Hybrid polymers and use as additives in deep wells |
| CN111087998A (en) * | 2018-10-24 | 2020-05-01 | 中国石油化工股份有限公司 | Slow-expansion particles and preparation method thereof |
| CN111648740A (en) * | 2019-03-04 | 2020-09-11 | 中国石油天然气股份有限公司 | Oil pipe leakage stopping method |
| CN111676008A (en) * | 2020-06-05 | 2020-09-18 | 中国石油大学(北京) | Acidic fracturing fluid and preparation method and application thereof |
| CN112080261A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Temporary plugging liquid and application thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047686A (en) * | 1990-04-06 | 1990-12-12 | 渤海石油公司钻井公司 | The agent of high temperature resistance completion temporary blocking |
| JP3997672B2 (en) * | 1999-11-26 | 2007-10-24 | 日本ポリウレタン工業株式会社 | Injectable liquid composition for stabilization of ground and artificial structures, etc., and stability-enhanced waterstop method using the same |
| US7297665B2 (en) * | 2005-04-07 | 2007-11-20 | Halliburton Energy Services, Inc. | Fluids comprising zirconium isopropylamine crosslinking agents and associated methods |
| US7732382B2 (en) * | 2006-02-14 | 2010-06-08 | E.I. Du Pont De Nemours And Company | Cross-linking composition and method of use |
| CN101314713A (en) * | 2008-05-08 | 2008-12-03 | 伊向艺 | Controllable-viscosity acid liquor system for carbonatite container horizon acid fracturing |
-
2009
- 2009-03-31 CN CN2009100613847A patent/CN101519585B/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 temporary plugging agent for low-pressure thin oil well |
| CN102911649A (en) * | 2011-08-05 | 2013-02-06 | 中国石油天然气股份有限公司 | High-strength self-degradation packing material and preparation method thereof |
| CN102911649B (en) * | 2011-08-05 | 2015-09-23 | 中国石油天然气股份有限公司 | High-strength self-degradation packing material and preparation method thereof |
| CN105219365A (en) * | 2015-09-11 | 2016-01-06 | 中石化石油工程技术服务有限公司 | Middle-deep well cross-linked polymer gel plugging agent and preparation method thereof |
| CN105219365B (en) * | 2015-09-11 | 2017-11-24 | 中石化石油工程技术服务有限公司 | Middle-deep well cross-linked polymer gel sealing agent and preparation method thereof |
| CN106277989A (en) * | 2016-08-17 | 2017-01-04 | 张静 | A kind of preparation method of anti-leakage blocking agent |
| CN106336861A (en) * | 2016-08-30 | 2017-01-18 | 董晓 | Preparation method of novel plugging agent |
| CN107868658A (en) * | 2016-09-26 | 2018-04-03 | 中国石油化工股份有限公司 | Fracturing fluid hydrophobic association type guanidine glue and preparation method thereof |
| DE102016225147A1 (en) | 2016-12-15 | 2018-06-21 | Clariant International Ltd | Hybrid polymers and use as additives in deep wells |
| DE102016225151A1 (en) | 2016-12-15 | 2018-06-21 | Clariant International Ltd | Hybrid polymers and use as additives in deep wells |
| CN111087998A (en) * | 2018-10-24 | 2020-05-01 | 中国石油化工股份有限公司 | Slow-expansion particles and preparation method thereof |
| CN111087998B (en) * | 2018-10-24 | 2022-10-04 | 中国石油化工股份有限公司 | Slow-expansion particles and preparation method thereof |
| CN111648740A (en) * | 2019-03-04 | 2020-09-11 | 中国石油天然气股份有限公司 | Oil pipe leakage stopping method |
| CN111648740B (en) * | 2019-03-04 | 2022-07-05 | 中国石油天然气股份有限公司 | Oil pipe leakage stopping method |
| CN112080261A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Temporary plugging liquid and application thereof |
| CN111676008A (en) * | 2020-06-05 | 2020-09-18 | 中国石油大学(北京) | Acidic fracturing fluid and preparation method and application thereof |
| CN111676008B (en) * | 2020-06-05 | 2021-07-09 | 中国石油大学(北京) | Acidic fracturing fluid and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101519585B (en) | 2011-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101519585B (en) | Shearing cross-linking sensitive plugging agent and preparation method thereof | |
| US4695389A (en) | Aqueous gelling and/or foaming agents for aqueous acids and methods of using the same | |
| CN104194759B (en) | Oil extraction in oil field stratum neutral de-plugging agent composition and preparation method thereof | |
| US4591447A (en) | Aqueous gelling and/or foaming agents for aqueous acids and methods of using the same | |
| CN104119853B (en) | A kind of preparation method of air foam fracturing fluid | |
| CN104194765A (en) | Continuously blended liquefied polymer thickener for fracturing construction | |
| CN105916959A (en) | Fracturing process using liquid ammonia | |
| MXPA02009684A (en) | Viscosity reduction of viscoelastic surfactant based fluids. | |
| CN102803432A (en) | Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants | |
| CN102277152B (en) | Acid-triggered thickening agent and preparation method thereof | |
| CN103525393B (en) | A kind of Instant gelling agent for acid fluid and preparation method thereof and application | |
| CN108102633B (en) | Viscoelastic acid-based fracturing fluid and preparation method thereof | |
| CN102996107A (en) | Fracturing process for online continuous preparation based on liquid polymer | |
| CN106479477B (en) | Encapsulated solid acid and preparation and application thereof | |
| CN104946230A (en) | Clean fracturing fluid suitable for oil field water and preparing method thereof | |
| CN108285784B (en) | Gelled emulsified acid and preparation method thereof | |
| CN103113874B (en) | Organic titanium crosslinking agent, and preparation method and application method thereof | |
| AU2010338032B2 (en) | Delivering water-soluble polysaccharides for well treatments | |
| US20130045899A1 (en) | Compositions And Methods To Stabilize Acid-In-Oil Emulsions | |
| CN104130760A (en) | High-condensation thickened oil activator for water plugging and oil well water plugging method | |
| CN111472007A (en) | Corrosion and scale inhibitor | |
| CN107216865B (en) | Self-diverting acidizing fluid and preparation method and application thereof | |
| CN103666440B (en) | A kind of acid solution instant dissolving viscosifier and its preparation method | |
| CN103965859A (en) | Oilwell gemini surfactant fracturing fluid and preparation method thereof | |
| CN111154476A (en) | Preparation raw material, preparation method and application of online concentration reduction blocking liquid for fracturing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20130331 |