CN106701057B - A kind of fracturing sand autohemagglutination modifying agent and preparation method thereof - Google Patents
A kind of fracturing sand autohemagglutination modifying agent and preparation method thereof Download PDFInfo
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- CN106701057B CN106701057B CN201710099496.6A CN201710099496A CN106701057B CN 106701057 B CN106701057 B CN 106701057B CN 201710099496 A CN201710099496 A CN 201710099496A CN 106701057 B CN106701057 B CN 106701057B
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- autohemagglutination
- fracturing sand
- modifying agent
- fracturing
- polyvinyl pyrrolidone
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- 239000004576 sand Substances 0.000 title claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 28
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 28
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 28
- -1 alcohol ether analog Chemical class 0.000 claims abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 13
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000077 silane Inorganic materials 0.000 claims abstract description 10
- 238000010992 reflux Methods 0.000 claims abstract description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 12
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 11
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical group C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 10
- 238000007334 copolymerization reaction Methods 0.000 claims description 6
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 5
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 claims description 5
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 4
- SCPWMSBAGXEGPW-UHFFFAOYSA-N dodecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OC)(OC)OC SCPWMSBAGXEGPW-UHFFFAOYSA-N 0.000 claims description 4
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical group CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 claims description 4
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 claims description 4
- SWGZAKPJNWCPRY-UHFFFAOYSA-N methyl-bis(trimethylsilyloxy)silicon Chemical compound C[Si](C)(C)O[Si](C)O[Si](C)(C)C SWGZAKPJNWCPRY-UHFFFAOYSA-N 0.000 claims description 3
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- RSNQKPMXXVDJFG-UHFFFAOYSA-N tetrasiloxane Chemical compound [SiH3]O[SiH2]O[SiH2]O[SiH3] RSNQKPMXXVDJFG-UHFFFAOYSA-N 0.000 claims description 3
- 238000011161 development Methods 0.000 claims description 2
- 239000007870 radical polymerization initiator Substances 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims 2
- 229920001577 copolymer Polymers 0.000 claims 1
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000009916 joint effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 238000009835 boiling Methods 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 7
- 239000003999 initiator Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 229920002907 Guar gum Polymers 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 235000010417 guar gum Nutrition 0.000 description 3
- 239000000665 guar gum Substances 0.000 description 3
- 229960002154 guar gum Drugs 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- RSKGMYDENCAJEN-UHFFFAOYSA-N hexadecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OC)(OC)OC RSKGMYDENCAJEN-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
- C08F226/10—N-Vinyl-pyrrolidone
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The present invention provides a kind of fracturing sand autohemagglutination modifying agent and preparation method thereof.The autohemagglutination modifying agent is compounded at normal temperature by modified polyvinyl pyrrolidone 15%-20%, alcohol ether analog assistant 2%-3%, low molecular weight silane 3%-5% and dehydrated alcohol 72%-80%.The compound system can be coated in fracturing sand surface and be carried along into stratum by fracturing fluid in pressing crack construction process.Fracturing fluid formation temperature after breaking gel, polyvinylpyrrolidone in compound system can be adsorbed on fracturing sand surface by electrostatic, bridge joint effect etc., adjacent sand particles are flocked together, realize the autohemagglutination of fracturing sand, to effectively inhibit the reflux of fracturing sand during the row of returning.
Description
Technical field
The invention belongs to oil-gas field development hydraulic fracturing technology fields, and in particular to a kind of fracturing sand autohemagglutination modifying agent and its
Preparation method.
Background technique
Using the unconventional petroleum resources of Fracturing exploitation, it is to implement to be somebody's turn to do that high water conservancy diversion crack is formed after pressure break
The crucial purpose of yield-increasing technology.However, with the raising of discharge speed in pressing crack construction process, in subsequent drain and production,
The appearance fracturing sand backflow phenomenon being always difficult to avoid that.This will cause fracture condudtiviy to be greatly reduced, and then lead to pressure break
Construction failure.
Both at home and abroad inhibit fracturing sand reflux method mainly include pre-curing resin covering sand technology, fibre sand prevention technology,
Thermoplastic film sand control technique, surfaction fracturing sand sand control technique, deformable fracturing sand sand control technique etc., but these technologies
It is mainly improved coat and stablizes fracturing sand outside proppant strength or physics mode by way of packing, failed crack
In fracturing sand become organic whole, cannot fundamentally prevent the unstability of fracturing sand and reflux is shaked out.
Summary of the invention
The object of the present invention is to provide a kind of fracturing sand autohemagglutination modifying agent and preparation method thereof.
The purpose of the present invention is realized according to following technical scheme:
The fracturing sand autohemagglutination modifying agent, be by modified polyvinyl pyrrolidone, alcohol ether analog assistant, low molecular weight silane and
Dehydrated alcohol compounds at normal temperature, each component mass percentage are as follows: modified polyvinyl pyrrolidone 15%-20%, alcohol
Ethers auxiliary agent 2%-3%, low molecular weight silane 3%-5%, dehydrated alcohol 72-80%, the sum of mass percentage of each component
It is 100%, wherein
The copolymerization that the modified polyvinyl pyrrolidone is N- vinylpyrrolidone and vinyl acetate molar ratio is 10: 3
Object.
The alcohol ether analog assistant is ethylene glycol monomethyl ether, diethylene glycol dimethyl ether, ethylene glycol ethyl ether, one in diethylene glycol ether
Kind is several.
The low molecular weight silane is octyl trimethoxy silane, dodecyltrimethoxysilane, cetyl front three
One or more of oxysilane, tetramethyl disiloxane, tetramethyl-ring tetrasiloxane, heptamethyltrisiloxane.
The preparation method of above-mentioned fracturing sand autohemagglutination modifying agent is realized according to the following steps:
(1) with radical polymerization initiator, N- vinylpyrrolidone and second the preparation of modified polyvinyl pyrrolidone: are realized
The copolymerization of vinyl acetate, obtains alcohol-soluble polyvinylpyrrolidone, and specific preparation step includes:
1. taking dehydrated alcohol and initiator azodiisobutyronitrile in four-hole boiling flask；
2. N- vinylpyrrolidone under nitrogen protection, is added into four-hole boiling flask, and it is warming up to 50 DEG C；
3. vinyl acetate is added into four-hole boiling flask, stir.6-10h is reacted at 60-80 DEG C；
4. reaction product is rotated, most of solvent is removed, then modified polyvinyl pyrrolidone is made by being dried in vacuo.
Wherein the alcohol ethers auxiliary agent is ethylene glycol monomethyl ether, in diethylene glycol dimethyl ether, ethylene glycol ethyl ether, diethylene glycol ether
One or more.
The low molecular weight silane is octyl trimethoxy silane, dodecyltrimethoxysilane, cetyl front three
One or more of oxysilane, tetramethyl disiloxane, tetramethyl-ring tetrasiloxane, heptamethyltrisiloxane.
(2) preparation of fracturing sand autohemagglutination modifying agent: taking above-mentioned modified polyvinyl pyrrolidone 15%-20%, and alcohol ethers help
Agent 2%-3%, low molecular weight silane 3%-5%, dehydrated alcohol 72-80% are compounded at normal temperature, wherein above-mentioned each component
Content be mass percentage, the sum of mass percentage of each component is 100%.
Compared with prior art, the beneficial effects of the present invention are:
A kind of fracturing sand autohemagglutination modifying agent of the invention, the polyvinylpyrrolidone in modifying agent compound system can pass through
Electrostatic, bridge joint effect etc. are adsorbed on fracturing sand surface, and adjacent sand particles are flocked together, realize the autohemagglutination of fracturing sand, Jin Erneng
Fracturing sand in crack is become into organic whole, fundamentally prevents the unstability of fracturing sand and reflux is shaked out.
Specific embodiment
The present invention is further illustrated With reference to embodiment, but protection scope of the present invention is not limited to
This.
Embodiment 1
(1) preparation of modified polyvinyl pyrrolidone: with azodiisobutyronitrile initiator, realize N- vinylpyrrolidone with
The copolymerization of vinyl acetate, obtains modified polyvinyl pyrrolidone, and specific preparation step includes:
1. taking 50g dehydrated alcohol and 0.5g initiator azodiisobutyronitrile in four-hole boiling flask；
2. 0.5mol N- vinylpyrrolidone under nitrogen protection, is added into four-hole boiling flask, and it is warming up to 50 DEG C；
3. 0.15mol vinyl acetate is added into four-hole boiling flask, stir.6h is reacted at 70 DEG C；
4. reaction product is rotated, most of solvent is removed, then modified polyvinyl pyrrolidone is made by being dried in vacuo.
(2) preparation of fracturing sand autohemagglutination modifying agent: taking mass content is respectively 15% modified polyvinyl pyrrolidone,
0.5% ethylene glycol monomethyl ether, 1.5% diethylene glycol ether, 2% octyl trimethoxy silane, 1% tetramethyl cyclotetrasiloxane silicon
Oxygen alkane, 80% dehydrated alcohol, fracturing sand autohemagglutination modifying agent is made in compounding at normal temperature.
(3) above-mentioned fracturing sand autohemagglutination modifying agent 0.8g is taken uniformly, to be added to guar gum base fluid in the coating of 10g fracturing sand surface
In, salt resis.It is then transferred in seal pipe, observes the autohemagglutination situation of fracturing sand after breaking gel, test result is shown in Table 1.
The fracturing sand autohemagglutination situation after breaking gel of table 1
Embodiment 2
(1) preparation of modified polyvinyl pyrrolidone: with azodiisobutyronitrile initiator, realize N- vinylpyrrolidone with
The copolymerization of vinyl acetate, obtains modified polyvinyl pyrrolidone, and specific preparation step includes:
1. taking 50g dehydrated alcohol and 0.5g initiator azodiisobutyronitrile in four-hole boiling flask；
2. 0.5mol N- vinylpyrrolidone under nitrogen protection, is added into four-hole boiling flask, and it is warming up to 50 DEG C；
3. 0.15mol vinyl acetate is added into four-hole boiling flask, stir.8h is reacted at 80 DEG C；
4. reaction product is rotated, most of solvent is removed, then modified polyvinyl pyrrolidone is made by being dried in vacuo.
(2) preparation of fracturing sand autohemagglutination modifying agent: taking mass content is respectively 17% modified polyvinyl pyrrolidone,
1% ethylene glycol ethyl ether, 1.5% diethylene glycol dimethyl ether, 2.5% hexadecyl trimethoxy silane, 1.5% tetramethyl
Disiloxane, 76.5% dehydrated alcohol, fracturing sand autohemagglutination modifying agent is made in compounding at normal temperature.
(3) above-mentioned fracturing sand autohemagglutination modifying agent 0.5g is taken uniformly, to be added to guar gum base fluid in the coating of 10g fracturing sand surface
In, salt resis.It is then transferred in seal pipe, observes the autohemagglutination situation of fracturing sand after breaking gel, test result is shown in Table 2.
The fracturing sand autohemagglutination situation after breaking gel of table 2
Embodiment 3
(1) preparation of modified polyvinyl pyrrolidone: with azodiisobutyronitrile initiator, realize N- vinylpyrrolidone with
The copolymerization of vinyl acetate, obtains modified polyvinyl pyrrolidone, and specific preparation step includes:
1. taking 50g dehydrated alcohol and 0.5g initiator azodiisobutyronitrile in four-hole boiling flask；
2. 0.5mol N- vinylpyrrolidone under nitrogen protection, is added into four-hole boiling flask, and it is warming up to 50 DEG C；
3. 0.15mol vinyl acetate is added into four-hole boiling flask, stir.10h is reacted at 60 DEG C；
4. reaction product is rotated, most of solvent is removed, then modified polyvinyl pyrrolidone is made by being dried in vacuo.
(2) preparation of fracturing sand autohemagglutination modifying agent: taking mass content is respectively 20% modified polyvinyl pyrrolidone,
1.5% ethylene glycol monomethyl ether, 1.5% diethylene glycol dimethyl ether, 2% dodecyltrimethoxysilane, 3% seven methyl three
Siloxanes, 72% dehydrated alcohol, fracturing sand autohemagglutination modifying agent is made in compounding at normal temperature.
(3) above-mentioned fracturing sand autohemagglutination modifying agent 0.6g is taken uniformly, to be added to guar gum base fluid in the coating of 10g fracturing sand surface
In, salt resis.It is then transferred in seal pipe, observes the autohemagglutination situation of fracturing sand after breaking gel, test result is shown in Table 3.
The fracturing sand autohemagglutination situation after breaking gel of table 3
When experiment shows that autohemagglutination amount of modifier accounts for the 5%-8% of fracturing sand quality, fracturing sand after breaking gel can be realized
Autohemagglutination.In the pressing crack construction later period, the fracturing sand of autohemagglutination, which is rolled into a ball, after breaking gel squeezes under formation fracture closure stress, is fixed, can be effective
The unstability and reflux for preventing fracturing sand are shaked out.
Claims (2)
1. a kind of fracturing sand autohemagglutination modifying agent, it is characterized in that by modified polyvinyl pyrrolidone, alcohol ether analog assistant, low-molecular-weight silicon
Alkane and dehydrated alcohol compound at normal temperature, each component mass percentage are as follows: modified polyvinyl pyrrolidone 15%-
20%, alcohol ether analog assistant 2%-3%, low molecular weight silane 3%-5%, the quality percentage of dehydrated alcohol 72-80%, each component contain
Amount is 100%, wherein
The copolymer that the modified polyvinyl pyrrolidone is N- vinylpyrrolidone and vinyl acetate molar ratio is 10:3；
The alcohol ether analog assistant be one of ethylene glycol monomethyl ether, diethylene glycol dimethyl ether, ethylene glycol ethyl ether, diethylene glycol ether or
It is several；
The low molecular weight silane is octyl trimethoxy silane, dodecyltrimethoxysilane, hexadecyl trimethoxy
One or more of silane, tetramethyl disiloxane, tetramethyl-ring tetrasiloxane, heptamethyltrisiloxane.
2. a kind of preparation method of fracturing sand autohemagglutination modifying agent according to claim 1, it is characterized in that according to the following steps
It realizes:
The first step, the preparation of modified polyvinyl pyrrolidone: with radical polymerization initiator, by water-soluble monomer N- ethylene pyrroles
Alkanone and hydrophobic unsaturated monomer vinyl acetate are 10: 3 copolymerization in molar ratio, obtain alcohol-soluble polyvinylpyrrolidone；
Second step, the preparation of fracturing sand autohemagglutination modifying agent: by above-mentioned modified polyvinyl pyrrolidone 15%-20%, alcohol ethers are helped
Agent 2%-3%, low molecular weight silane 3%-5%, dehydrated alcohol 72-80% are compounded at normal temperature, the quality hundred of each component
Dividing content is 100%；
The fracturing sand autohemagglutination modifying agent is applied in fracturing sand surface and is uniformly used, and is suitable for oil-gas field development hydraulic fracturing skill
Art field, effectively prevents fracturing sand unstability and reflux is shaked out.
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| CN201710099496.6A CN106701057B (en) | 2017-02-23 | 2017-02-23 | A kind of fracturing sand autohemagglutination modifying agent and preparation method thereof |
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| CN109372489B (en) * | 2018-10-11 | 2021-01-08 | 青岛大地新能源技术研究院 | Method for realizing high-speed channel through self-polymeric proppant |
| CN113025303B (en) * | 2021-03-18 | 2022-10-14 | 中国石油大学(华东) | Supramolecular elastomer-based self-polymerization fracturing sand modifier and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478677A (en) * | 2005-12-09 | 2011-09-14 | Clearwater Int Llc | Controlling sands near a screen by use of a composition comprising an amine and a phosphate ester |
| US20130075100A1 (en) * | 2011-09-28 | 2013-03-28 | Clearwater International, Llc | Aggregating reagents and methods for making and using same |
| CN105745300A (en) * | 2013-11-18 | 2016-07-06 | 路博润油田解决方案公司 | Method to consolidate solid materials during subterranean treatment operations |
-
2017
- 2017-02-23 CN CN201710099496.6A patent/CN106701057B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478677A (en) * | 2005-12-09 | 2011-09-14 | Clearwater Int Llc | Controlling sands near a screen by use of a composition comprising an amine and a phosphate ester |
| US20130075100A1 (en) * | 2011-09-28 | 2013-03-28 | Clearwater International, Llc | Aggregating reagents and methods for making and using same |
| CN105745300A (en) * | 2013-11-18 | 2016-07-06 | 路博润油田解决方案公司 | Method to consolidate solid materials during subterranean treatment operations |
Non-Patent Citations (2)
| Title |
|---|
| 自一聚剂控制支撑剂回流技术研究;浮历沛;《中国石油大学学报( 自然科学版)》;20160820;176-182 |
| 高通道压裂自聚性支撑剂研究进展;浮历沛;《油田化学》;20160625;376-380 |
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