CN108952620A - A method of utilizing inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall - Google Patents
A method of utilizing inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall Download PDFInfo
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- CN108952620A CN108952620A CN201710356257.4A CN201710356257A CN108952620A CN 108952620 A CN108952620 A CN 108952620A CN 201710356257 A CN201710356257 A CN 201710356257A CN 108952620 A CN108952620 A CN 108952620A
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- borehole wall
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- organic matter
- film reinforcing
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 25
- 239000005416 organic matter Substances 0.000 title claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 229920006318 anionic polymer Polymers 0.000 claims abstract description 15
- 239000002105 nanoparticle Substances 0.000 claims abstract description 14
- 229920006317 cationic polymer Polymers 0.000 claims abstract description 13
- 230000004087 circulation Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 15
- -1 phenolic aldehyde Chemical class 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229920002125 Sokalan® Polymers 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 229920002873 Polyethylenimine Polymers 0.000 claims description 5
- 101100288310 Arabidopsis thaliana KTI2 gene Proteins 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229920002518 Polyallylamine hydrochloride Polymers 0.000 claims description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 208000023445 Congenital pulmonary airway malformation Diseases 0.000 claims description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims description 2
- 229920004933 Terylene® Polymers 0.000 claims description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 2
- 239000010428 baryte Substances 0.000 claims description 2
- 229910052601 baryte Inorganic materials 0.000 claims description 2
- 238000010538 cationic polymerization reaction Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 36
- 239000000463 material Substances 0.000 description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 4
- 229910052901 montmorillonite Inorganic materials 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001338 self-assembly Methods 0.000 description 2
- 241000894006 Bacteria Species 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
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 244000132059 Carica parviflora Species 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
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- RISSOAQTPCDYBY-UHFFFAOYSA-N azanium;n-methylmethanamine;chloride Chemical compound [NH4+].[Cl-].CNC RISSOAQTPCDYBY-UHFFFAOYSA-N 0.000 description 1
- 230000003592 biomimetic effect Effects 0.000 description 1
- 239000002977 biomimetic material Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229940021013 electrolyte solution Drugs 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001089 mineralizing effect Effects 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/5083—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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/5086—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The present invention relates to oil drilling borehole wall reinforcement technique fields, a kind of more particularly to method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall, this method utilizes self-assembling technique, by forming fine and close, firm skin covering of the surface on drilling shaft lining, for being reinforced to the borehole wall, the ' Safe Density Windows of drilling fluid are widened, ensure drilling safety.A method of using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall, include the following steps: to distinguish preparation of nano particle suspension, cationic polymer solution, anionic polymer solution in three fluid reservoirs；Fluid retention agent is distinguished into three fluid reservoirs, and is stirred evenly；Using cationic polymer solution-anionic polymer solution-cationic polymer solution-nano particle suspension order of addition as one cycle adding procedure, sequentially above-mentioned aqueous liquids are pumped into wellbore；Repeat 8 ~ 15 circulation adding procedures.
Description
Technical field
The present invention relates to oil drilling borehole wall reinforcement technique field more particularly to a kind of utilization inanimate matters, organic matter hydridization
The method of the film reinforcing drilling borehole wall.
Background technique
During oil gas drilling, wellbore stability is the problem of being widely present.Borehole well instability easily causes hole collapse, contracting
The down hole problems such as diameter, leakage, bit freezing and reservoir pollution and accident can not only delay drilling period, increase drilling cost,
It will affect subsequent oil producing operation.It is also possible to scrap part wellbore or even scrap entire wellbore when serious.Cause borehole well instability
Factor sum up and can be divided into three categories, including factors such as geology, drilling fluid physics and chemistry, drillng operation.Change drilling well
The characteristic of liquid is one of main means of current wellbore stability, and is formed fine and close and tough and tensile mud cake is then to ensure wellbore stability
Key factor.
In fact, the organism in nature is using extremely common mineralizing material (such as calcium carbonate or calcium phosphate) and less
Organic substrate is measured to be prepared for the sclerous tissues of its structural support, from the magnetic substance in bacterium to shell, coral, bone and tooth
Deng.These biomineralization materials are inorganic/organic composite material, due to having well-regulated structure, with general inorganic material
Compare, be provided with some incomparable advantages, such as high intensity, good fracture toughness, excellent damping performance and
Many other specific functions.Therefore, can use this inanimate matter, organic matter hydridization generate film, come change mud cake or
The microstructure and mechanical property of sedimentary around the borehole wall, so as to improve borehole wall stability and bearing capacity.
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.Especially in this field of LBL self-assembly, there is significant progress, this is because this method of LBL self-assembly
It is upper 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, and guiding calcite forms nanometer thin layer structure, and then orients layer structure
The multilayered structure of assemble nanometer thin layer.These researchs play important impetus to the bio-mimetic syntheses of biomineralization material, 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 it still needs further improvement.Meanwhile utilizing self-assembling technique system
Standby film is not applied to petroleum works field also, expands space in this regard there are also very big.
Summary of the invention
The present invention provides a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall, this method benefits
With self-assembling technique, brill is widened for reinforcing to the borehole wall by forming fine and close, firm skin covering of the surface on drilling shaft lining
The ' Safe Density Windows of well liquid ensure drilling safety.
In order to solve the above technical problems, present invention employs following technical solutions:
A method of using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall, include the following steps:
Prepare nano particle suspension, cationic polymerization that mass percent is 0.1% ~ 0.2% respectively in three fluid reservoirs
Object solution, anionic polymer solution；
It is separately added into mass percent into three fluid reservoirs and is 0.1 ~ 0.5% fluid retention agent, and stirs evenly；
By cationic polymer solution-anionic polymer solution-cationic polymer solution-nano particle suspension addition
Sequence is used as one cycle adding procedure, and sequentially above-mentioned aqueous liquids are pumped into wellbore；Wherein, in one cycle adding procedure
In, the volume for the aqueous liquids being pumped into every time is 1 ~ 3m3；Time interval is no less than 5 minutes between adjacent circulation adding procedure；
Repeat 8 ~ 15 circulation adding procedures, that is, completes and utilize inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall
Process.
Further, inanimate matter, organic matter hybrid film are formed on drilling shaft lining using self-assembling technique.
More preferred, the PH range of nano particle suspension is 8.0 ± 0.5；Cationic polymer solution PH range is
4.0±0.5；Anionic polymer solution PH range is 8.0 ± 0.5.
Preferably, fluid retention agent is the ultrashort carbon fiber of phenolic aldehyde system, polypropylene superbhort fiber, terylene superbhort fiber, glass
Superbhort fiber, polyester superbhort fiber, any one or any several combination in nano modification superbhort fiber.
Preferably, preparing cationic polymer used in cationic polymer solution is PDDA (polydiene dimethylamine
Ammonium chloride), LPEI branched structure polyethyleneimine, BPEI branched structure polyethyleneimine, PAH polyallylamine hydrochlorides,
Any one in the poly- Dichloroethyl ether tetramethylethylenediamine of CPAM polyacrylamide, WSCP or any several combination.
Preferably, prepare anionic polymer solution used in anionic polymer be the poly- p styrene sulfonic acid of PSS,
The poly- sulfonated phenylethylene of PVS, PAA polyacrylic acid, PMAA polymethacrylamide, in APAM polyacrylamide any one or appoint
It anticipates several combinations.
Preferably, nano particle used in preparation of nano particle suspension is nano silica, nanometer calcium carbonate, receives
Any one in rice montmorillonite, nano barite or any several combination.
A kind of method and the prior art using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall provided by the invention
Compared to having the advantage that
(1) deposition layer by layer that self-assembling technique realizes nano particle is utilized in the present invention during the reinforcing drilling borehole wall, with this
Form sedimentary Reinforcing Shaft.Sedimentary using the method production has extraordinary adhesion property, compactness and toughness,
Storing 30 days or more in water and electrolyte solution will not fall off from solid.
(2) being added in the present invention has nano modification superbhort fiber, and the structural capacity and suspending power of drilling fluid can be improved, and increases
Add its rheology anelasticity, prevents the mutual string between different solutions, influence consolidation effect.
(3) for the present invention using nano particle come Reinforcing Shaft, material therefor has preferable environmental effect, environment protecting
Preferably.
Specific embodiment
Embodiment one:
Prepare nano silica suspension (pH=7.5), the quality hundred that mass percent is 0.1% respectively in three fluid reservoirs
Diallyl dimethyl ammoniumchloride (english abbreviation PDDA) solution (pH=3.5), mass percent 0.1% point than 0.1%
Poly- p styrene sulfonic acid (english abbreviation PSS) solution (pH=7.5) anionic polymer solution.It is then respectively adding quality hundred
Point than for the ultrashort carbon fiber of 0.1% phenolic aldehyde system, and stir evenly.First it is pumped into 1m3 PDDA solution, is then pumped into 1m3 PSS solution,
It is pumped into 1m again3 PDDA solution, is finally pumped into 1m3Nano silica suspension pauses 5 minutes after being pumped into, this is pumped into process and does
It is recycled for one.After 8 circulations, above-mentioned solution is replaced into out wellbore using drilling fluid and completes borehole wall reinforcing process.
Embodiment two:
Prepare nano montmorillonite suspension (pH=8), the mass percent that mass percent is 0.1% respectively in three fluid reservoirs
The polyacrylic acid of 0.1% branched structure polyethyleneimine (english abbreviation BPEI) solution (pH=4), mass percent 0.1%
(english abbreviation PAA) solution (pH=8) anionic polymer solution.Being then respectively adding mass percent is 0.2% polypropylene
Superbhort fiber, and stir evenly.First it is pumped into 2m3 BPEI solution, is then pumped into 2m3 PAA solution, then it is pumped into 2m3 BPEI solution,
Finally it is pumped into 2m3Nano montmorillonite suspension pauses 5 minutes after being pumped into, this is pumped into process and recycles as one.It is followed by 10
After ring, above-mentioned solution is replaced into out wellbore using drilling fluid and completes borehole wall reinforcing process.
Embodiment three:
Prepare nanometer calcium carbonate suspension (pH=8.5), the quality percentage that mass percent is 0.2% respectively in three fluid reservoirs
The polysulfonate benzene second of polyallylamine hydrochlorides (english abbreviation PAH) solution (pH=4.5), mass percent 0.1% than 0.1%
Alkene (english abbreviation PVS) solution (pH=8.5) anionic polymer solution.Being then respectively adding mass percent is 0.1% poly-
Ester superbhort fiber, and stir evenly.First it is pumped into 3m3 PAH solution, is then pumped into 3m3 PVS solution, then it is pumped into 3m3 PAH solution,
Finally it is pumped into 3m3Nanometer calcium carbonate suspension pauses 5 minutes after being pumped into, this is pumped into process and recycles as one.It is followed by 8
After ring, above-mentioned solution is replaced into out wellbore using drilling fluid and completes borehole wall reinforcing process.
Example IV:
Prepare the mixture of nanometer calcium carbonate and nano montmorillonite that mass percent is 0.15% respectively in three fluid reservoirs
The poly- Dichloroethyl ether tetramethylethylenediamine (English of (mixing mass ratio 1:3) suspension (pH=8), mass percent 0.15%
Be abbreviated as WSCP) solution (pH=4.5), mass percent 0.15% polyacrylamide (english abbreviation APAM) solution (pH=
7.5) anionic polymer solution.Being then respectively adding mass percent is 0.3% polypropylene superbhort fiber and polyester superbhort fiber
Mixture (mixing mass ratio 2::1), and stir evenly.First it is pumped into 2m3 WSCP solution, is then pumped into 2m3 APAM solution,
It is pumped into 2m again3 PAH solution, is finally pumped into 2m3Nanometer calcium carbonate suspension pauses 5 minutes after being pumped into, this is pumped into process as one
A circulation.After 12 circulations, above-mentioned solution is replaced into out wellbore using drilling fluid and completes borehole wall reinforcing process.
Claims (7)
1. a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall, which is characterized in that including walking as follows
It is rapid:
Prepare nano particle suspension, cationic polymerization that mass percent is 0.1% ~ 0.2% respectively in three fluid reservoirs
Object solution, anionic polymer solution；
It is separately added into mass percent into three fluid reservoirs and is 0.1 ~ 0.5% fluid retention agent, and stirs evenly；
By cationic polymer solution-anionic polymer solution-cationic polymer solution-nano particle suspension addition
Sequence is used as one cycle adding procedure, and sequentially above-mentioned aqueous liquids are pumped into wellbore；Wherein, in one cycle adding procedure
In, the volume for the aqueous liquids being pumped into every time is 1 ~ 3m3；Time interval is no less than 5 minutes between adjacent circulation adding procedure；
Repeat 8 ~ 15 circulation adding procedures, that is, completes and utilize inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall
Process.
2. a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall according to claim 1, special
Sign is, forms inanimate matter, organic matter hybrid film on drilling shaft lining using self-assembling technique.
3. a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall according to claim 1, special
Sign is that the PH range of nano particle suspension is 8.0 ± 0.5；Cationic polymer solution PH range is 4.0 ± 0.5；Yin from
Sub- polymer solution PH range is 8.0 ± 0.5.
4. a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall according to claim 1, special
Sign is, fluid retention agent be the ultrashort carbon fiber of phenolic aldehyde system, polypropylene superbhort fiber, terylene superbhort fiber, glass superbhort fiber,
Any one in polyester superbhort fiber, nano modification superbhort fiber or any several combination.
5. a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall according to claim 1, special
Sign is that preparing cationic polymer used in cationic polymer solution is PDDA (diallyl dimethyl chlorination
Ammonium), LPEI branched structure polyethyleneimine, BPEI branched structure polyethyleneimine, PAH polyallylamine hydrochlorides, CPAM poly- third
Any one in the poly- Dichloroethyl ether tetramethylethylenediamine of acrylamide, WSCP or any several combination.
6. a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall according to claim 1, special
Sign is that preparing anionic polymer used in anionic polymer solution is the poly- p styrene sulfonic acid of PSS, PVS polysulfonate
Styrene, PAA polyacrylic acid, PMAA polymethacrylamide, in APAM polyacrylamide any one or it is any several
Combination.
7. a kind of method using inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall according to claim 1, special
Sign is that nano particle used in preparation of nano particle suspension is nano silica, nanometer calcium carbonate, nanometer are covered and taken off
Any one in soil, nano barite or any several combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710356257.4A CN108952620A (en) | 2017-05-19 | 2017-05-19 | A method of utilizing inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710356257.4A CN108952620A (en) | 2017-05-19 | 2017-05-19 | A method of utilizing inanimate matter, the organic matter hybrid film reinforcing drilling borehole wall |
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| CN108952620A true CN108952620A (en) | 2018-12-07 |
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Citations (4)
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|---|---|---|---|---|
| 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 |
| 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 |
| WO2015108501A1 (en) * | 2014-01-14 | 2015-07-23 | Halliburton Energy Services, Inc. | Methods of enhancing fluid loss control using additives |
| 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 |
-
2017
- 2017-05-19 CN CN201710356257.4A patent/CN108952620A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2015108501A1 (en) * | 2014-01-14 | 2015-07-23 | Halliburton Energy Services, Inc. | Methods of enhancing fluid loss control using additives |
| 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 |
| 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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