CN108240199A - A kind of method of nano-particles self assemble film forming Reinforcing Shaft - Google Patents
A kind of method of nano-particles self assemble film forming Reinforcing Shaft Download PDFInfo
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- CN108240199A CN108240199A CN201611203334.4A CN201611203334A CN108240199A CN 108240199 A CN108240199 A CN 108240199A CN 201611203334 A CN201611203334 A CN 201611203334A CN 108240199 A CN108240199 A CN 108240199A
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- cationic polymer
- nano
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- polymer solution
- charge cationic
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 229920006317 cationic polymer Polymers 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000499 gel Substances 0.000 claims description 16
- 239000005543 nano-size silicon particle Substances 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 229920002873 Polyethylenimine Polymers 0.000 claims description 4
- -1 polyoxyethylene Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- FTCIOUYXOOXMBV-UHFFFAOYSA-N OC(=O)c1ccccc1C(O)=O.C=CC(=O)OCCOCCOC(=O)C=C Chemical compound OC(=O)c1ccccc1C(O)=O.C=CC(=O)OCCOCCOC(=O)C=C FTCIOUYXOOXMBV-UHFFFAOYSA-N 0.000 claims 1
- 150000001768 cations Chemical class 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007596 consolidation process Methods 0.000 abstract 1
- GFLJTEHFZZNCTR-UHFFFAOYSA-N 3-prop-2-enoyloxypropyl prop-2-enoate Chemical compound C=CC(=O)OCCCOC(=O)C=C GFLJTEHFZZNCTR-UHFFFAOYSA-N 0.000 description 5
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 229920006318 anionic polymer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001338 self-assembly Methods 0.000 description 3
- LEJBBGNFPAFPKQ-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethoxy)ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOC(=O)C=C LEJBBGNFPAFPKQ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 101100288310 Arabidopsis thaliana KTI2 gene Proteins 0.000 description 1
- 241000258971 Brachiopoda Species 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 241000276489 Merlangius merlangus Species 0.000 description 1
- 241000237852 Mollusca Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003592 biomimetic effect Effects 0.000 description 1
- 239000002977 biomimetic material Substances 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000010538 cationic polymerization reaction Methods 0.000 description 1
- 230000003196 chaotropic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 229920005547 polycyclic aromatic hydrocarbon Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of methods of nano-particles self assemble film forming Reinforcing Shaft reinforced for the borehole wall.Nano particle suspension, equal charge cationic polymer solution and the multi-charge cationic polymer solution that mass percent is 0.1% ~ 0.2% are prepared respectively, then aforesaid liquid is pumped into wellbore successively according to the sequence of equal charge cationic polymer solution, nano particle suspension, multi-charge cationic polymer, nano particle suspension, each liquid is pumped into volume as 1 ~ 3m3, after being often pumped into a kind of liquid, a small amount of insulating liquid is pumped into different liquids into between-line spacing, is then paused 5 minutes, this is a cycle；After 8 ~ 15 cycles, above-mentioned solution is replaced into out wellbore using drilling fluid and completes borehole wall reinforcing process.The sedimentary of the method production has extraordinary adhesion property, compactness and toughness, preferable to the consolidation effect of the borehole wall.
Description
Technical field
The present invention relates to oil drilling borehole wall reinforcement technique field, more particularly to a kind of nano particle reinforced for the borehole wall
The method of self assembly film forming Reinforcing Shaft.
Background technology
During oil gas drilling, wellbore stability is the problem of being widely present.At present, common method is to use in drilling well
Chemical treatments carry out closure reinforcing to rock of borehole surface.Also there are many film forming agent in these chemical treatments, in rock
Surface forms dense film, so as to prevent intrusion of the liquid to rock, prevents the hydration swelling of clay, avoids thus caused rock
The appearance for situations such as caving in.
Over the last couple of decades, the researchers of every country pass through deep exploration, it was found that a variety of ultrathin membranes
Preparation method.Particularly in this field of LBL self-assembly, there is significant progress, this is because this method of LBL self-assembly
With extraordinary effect in the innovative design and application of the ultrathin membrane with specific function property.Such as application No. is
200710042997.7 patent proposes a kind of nano layered calcium carbonate bionic composite material material, it is organic by low molecular weight
Object participates in calcium chloride and sodium carbonate reaction process, is oriented to calcite and forms nanometer thin layer structure, and then orient layer structure
The multilayered structure of assemble nanometer thin layer.These researchs play the bio-mimetic syntheses of biomineralization material important impetus, but
Still fail to grow into natural whiting structure (such as the calcium carbonate shell of the height rule in mollusk, brachiopod
Half nacre) biomimetic material or method and material property need to be further improved.
Invention content
The object of the present invention is to provide it is a kind of for the borehole wall reinforce nano-particles self assemble film forming Reinforcing Shaft method,
This method utilizes self-assembling technique, and the inorganic matters such as nano particle and polymer are carried out hydridization film forming, can be in drilling shaft lining etc.
Fine and close, firm skin covering of the surface is formed on rock surface, for being reinforced to the borehole wall, widens the ' Safe Density Windows of drilling fluid,
Ensure drilling safety.
In order to reach the purpose of the present invention, the technical scheme is that be achieved：
Respectively prepare mass percent be 0.1% ~ 0.2% nano particle suspension, equal charge cationic polymer solution and
Multi-charge cationic polymer solution, then according to equal charge cationic polymer solution, nano particle suspension, multi-charge sun
Ionomer, nano particle suspension sequence aforesaid liquid is pumped into wellbore successively, each liquid is pumped into volume
For 1 ~ 3m3, after being often pumped into a kind of liquid, a small amount of insulating liquid is pumped into different liquids into between-line spacing, is then paused 5 minutes, this
For a cycle；After 8 ~ 15 cycles, above-mentioned solution is replaced into out wellbore using drilling fluid and completes borehole wall reinforcing process.
In said program：
The pH value range of nano particle suspension is 8.0 ± 0.5；Two kinds of cationic polymer solution pH value ranges are 4.0 ±
0.5。
The equal charge cationic polymer for preparing equal charge cationic polymer solution is O-phthalic acid diethylene glycol
Diacrylate（PDDA）, polycyclic aromatic hydrocarbon（PAH）, one or more of polyamine combination；Prepare multi-charge cationic polymerization
The multi-charge cationic polymer of object solution is straight linear polyethylene imines（LPEI）, branched polyethylenimine（BPEI）, polyoxy
Ethylene chlorination diformazan imonium（WSCP）One or more of combination；The nano particle of preparation of nano particle suspension is receives
The combination of one or both of rice silica, nano-calcium carbonate.
The insulating liquid is the combination of one or more of silicates Weak Gels, polyacrylamide Weak Gels.
The present invention has the advantage that compared with prior art：
The principle that the borehole wall is reinforced in the present invention is that the deposition layer by layer of nano particle is realized using self-assembling technique, and deposition is formed with this
Layer Reinforcing Shaft.The sedimentary of the method production has extraordinary adhesion property, compactness and toughness, and the reinforcing of the borehole wall is imitated
Fruit is preferable.
Specific embodiment
Embodiment 1：
Prepare the nano silicon dioxide suspension that mass percent is 0.1% respectively in different fluid reservoirs（pH=7.5）, quality hundred
Divide the PDDA solution than 0.1%（pH=3.5）, mass percent 0.1% BPEI solution（pH=3.5）Anionic polymer solution.
First it is pumped into 1 m3 PDDA solution, then it is pumped into 2m3Polyacrylamide Weak Gels insulating liquid；It is then pumped into 1 m3 Nano silicon dioxide
Suspension, then it is pumped into 2m3Polyacrylamide Weak Gels insulating liquid；It is then pumped into 1 m3 BPEI solution, then it is pumped into 2m3Polypropylene
Amides Weak Gels insulating liquid；Finally it is pumped into 1 m3Nano silicon dioxide suspension, then it is pumped into 2m3Polyacrylamide Weak Gels
Insulating liquid；It pauses 5 minutes, this is pumped into process as a cycle.After 8 cycles, using drilling fluid by above-mentioned solution top
Wellbore is replaced out to complete borehole wall reinforcing process.
Embodiment 2：
Prepare the nano silicon dioxide suspension that mass percent is 0.1% respectively in different fluid reservoirs（pH=7.5）, quality hundred
Divide the PAH solution than 0.1%（pH=3.5）, mass percent 0.1% BPEI solution（pH=3.5）Anionic polymer solution.First
It is pumped into 1 m3 PAH solution, then it is pumped into 2m3Polyacrylamide Weak Gels insulating liquid；It is then pumped into 1 m3 Nano silicon dioxide hangs
Turbid, then it is pumped into 2m3Polyacrylamide Weak Gels insulating liquid；It is then pumped into 1 m3 BPEI solution, then it is pumped into 2m3Polyacrylamide
Amine Weak Gels insulating liquid；Finally it is pumped into 1 m3Nano silicon dioxide suspension, then it is pumped into 2m3Polyacrylamide Weak Gels every
Chaotropic；It pauses 5 minutes, this is pumped into process as a cycle.After 8 cycles, above-mentioned solution is replaced using drilling fluid
Go out wellbore and complete borehole wall reinforcing process.
Embodiment 3：
Prepare the nano-calcium carbonate suspension that mass percent is 0.1% respectively in different fluid reservoirs（pH=7.5）, quality percentage
PDDA solution than 0.1%（pH=3.5）, mass percent 0.1% BPEI solution（pH=3.5）Anionic polymer solution.First
It is pumped into 1 m3 PDDA solution, then it is pumped into 2m3Silicates Weak Gels insulating liquid；It is then pumped into 1 m3 Nano silicon dioxide is suspended
Liquid, then it is pumped into 2m3Silicates Weak Gels insulating liquid；It is then pumped into 1 m3 BPEI solution, then it is pumped into 2m3Silicates Weak Gels
Insulating liquid；Finally it is pumped into 1 m3Nano silicon dioxide suspension, then it is pumped into 2m3Silicates Weak Gels insulating liquid；It pauses 5 minutes,
This is pumped into process as a cycle.After 10 cycles, above-mentioned solution is replaced into out wellbore using drilling fluid and completes well
Wall reinforcing process.
Claims (4)
- A kind of 1. method of nano-particles self assemble film forming Reinforcing Shaft, it is characterised in that：Preparing mass percent respectively is 0.1% ~ 0.2% nano particle suspension, equal charge cationic polymer solution and multi-charge cationic polymer solution, then According to equal charge cationic polymer solution, nano particle suspension, multi-charge cationic polymer, nano particle suspension Sequence is successively pumped into aforesaid liquid in wellbore, each liquid is pumped into volume as 1 ~ 3m3, after being often pumped into a kind of liquid A small amount of insulating liquid is pumped into different liquids into between-line spacing, is then paused 5 minutes, this is a cycle；After 8 ~ 15 cycles, Above-mentioned solution is replaced into out wellbore using drilling fluid and completes borehole wall reinforcing process.
- 2. the method for nano-particles self assemble film forming Reinforcing Shaft according to claim 1, it is characterised in that：Nano particle The pH value range of suspension is 8.0 ± 0.5；Equal charge cationic polymer solution and multi-charge cationic polymer solution pH value Range is 4.0 ± 0.5.
- 3. the method for nano-particles self assemble film forming Reinforcing Shaft according to claim 1 or 2, it is characterised in that：It prepares The equal charge cationic polymer of equal charge cationic polymer solution is phthalic acid diethylene glycol diacrylate, more The combination of one or more of cycloaromatics, polyamine；The multi-charge cation for preparing multi-charge cationic polymer solution gathers Conjunction object is the combination of one or more of straight linear polyethylene imines, branched polyethylenimine, polyoxyethylene chlorination diformazan imonium； The nano particle of preparation of nano particle suspension is the combination of one or both of nano silicon dioxide, nano-calcium carbonate.
- 4. the method for nano-particles self assemble film forming Reinforcing Shaft according to claim 3, it is characterised in that：The isolation Liquid is the combination of one or more of silicates Weak Gels, polyacrylamide Weak Gels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203334.4A CN108240199A (en) | 2016-12-23 | 2016-12-23 | A kind of method of nano-particles self assemble film forming Reinforcing Shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611203334.4A CN108240199A (en) | 2016-12-23 | 2016-12-23 | A kind of method of nano-particles self assemble film forming Reinforcing Shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108240199A true CN108240199A (en) | 2018-07-03 |
Family
ID=62703278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611203334.4A Pending CN108240199A (en) | 2016-12-23 | 2016-12-23 | A kind of method of nano-particles self assemble film forming Reinforcing Shaft |
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| Country | Link |
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| CN (1) | CN108240199A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789324A (en) * | 2005-12-09 | 2006-06-21 | 西北师范大学 | Polymer/inorganic nano particle/graphite nano micro-flake three-phase composite material and preparation method thereof |
| CN101033300A (en) * | 2006-11-07 | 2007-09-12 | 郑直 | Chemical method for preparing crosslinking polymer thin film |
| CN103897674A (en) * | 2012-12-28 | 2014-07-02 | 中国石油化工股份有限公司 | Borehole cleaning liquid and preparation method thereof |
| US20140182735A1 (en) * | 2012-12-28 | 2014-07-03 | Thercom Holdings, Llc | Thermoplastic extrusion with vapor barrier and surface sulfonation |
| CN104405371A (en) * | 2014-09-26 | 2015-03-11 | 中国石油大学(华东) | Method for increasing borehole wall stability and reducing filtration |
| CN104497356A (en) * | 2014-11-26 | 2015-04-08 | 三星半导体(中国)研究开发有限公司 | Filler, manufacturing method of filler and epoxy molding compound containing filler |
| CN105731817A (en) * | 2014-12-12 | 2016-07-06 | 中石化胜利石油工程有限公司钻井工艺研究院 | A method of assembling montmorillonite layer by layer on a solid surface |
-
2016
- 2016-12-23 CN CN201611203334.4A patent/CN108240199A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789324A (en) * | 2005-12-09 | 2006-06-21 | 西北师范大学 | Polymer/inorganic nano particle/graphite nano micro-flake three-phase composite material and preparation method thereof |
| CN101033300A (en) * | 2006-11-07 | 2007-09-12 | 郑直 | Chemical method for preparing crosslinking polymer thin film |
| CN103897674A (en) * | 2012-12-28 | 2014-07-02 | 中国石油化工股份有限公司 | Borehole cleaning liquid and preparation method thereof |
| US20140182735A1 (en) * | 2012-12-28 | 2014-07-03 | Thercom Holdings, Llc | Thermoplastic extrusion with vapor barrier and surface sulfonation |
| CN104405371A (en) * | 2014-09-26 | 2015-03-11 | 中国石油大学(华东) | Method for increasing borehole wall stability and reducing filtration |
| CN104497356A (en) * | 2014-11-26 | 2015-04-08 | 三星半导体(中国)研究开发有限公司 | Filler, manufacturing method of filler and epoxy molding compound containing filler |
| CN105731817A (en) * | 2014-12-12 | 2016-07-06 | 中石化胜利石油工程有限公司钻井工艺研究院 | A method of assembling montmorillonite layer by layer on a solid surface |
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Application publication date: 20180703 |
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