CN102942334B - A kind of overlay film modification propping agent and its preparation method and application - Google Patents
A kind of overlay film modification propping agent and its preparation method and application Download PDFInfo
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- CN102942334B CN102942334B CN201210406270.3A CN201210406270A CN102942334B CN 102942334 B CN102942334 B CN 102942334B CN 201210406270 A CN201210406270 A CN 201210406270A CN 102942334 B CN102942334 B CN 102942334B
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- Prior art keywords
- resin
- overlay film
- propping agent
- film modification
- matrix
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- 230000004048 modification Effects 0.000 title claims abstract description 31
- 238000012986 modification Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 37
- 239000006004 Quartz sand Substances 0.000 claims abstract description 27
- 239000004744 fabric Substances 0.000 claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 17
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 17
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 229920000768 polyamine Polymers 0.000 claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 9
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 9
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 6
- 125000002723 alicyclic group Chemical group 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000002343 natural gas well Substances 0.000 claims abstract description 5
- 239000004848 polyfunctional curative Substances 0.000 claims abstract description 5
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 7
- -1 aliphatic polyol Chemical class 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- QMMBZOSZCYBCDC-OAQYLSRUSA-N CCOC(OCC)(OCC)O[Si@H](CCCNCCN)OC Chemical compound CCOC(OCC)(OCC)O[Si@H](CCCNCCN)OC QMMBZOSZCYBCDC-OAQYLSRUSA-N 0.000 claims description 4
- 239000005056 polyisocyanate Substances 0.000 claims description 4
- 229920001228 polyisocyanate Polymers 0.000 claims description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 2
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 206010017076 Fracture Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000003044 Closed Fractures Diseases 0.000 description 1
- 206010010214 Compression fracture Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Adhesives Or Adhesive Processes (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses a kind of overlay film modification propping agent and its preparation method and application, overlay film modification propping agent, be made up of matrix and the resin layer that is evenly coated on outer surface of matrix; Described matrix is its quartz sand of storehouse cloth; Described resin layer accounts for the 1-10wt% of matrix; Described resin layer comprises resin glue and solidifying agent, described resin glue is bisphenol A type epoxy resin, urethane resin or its composition, described solidifying agent is aliphatic polyamine or alicyclic polyamine class solidifying agent, and hardener dose accounts for the 10-50wt% of resin layer.The preparation method of described overlay film modification propping agent is by resin-coated for outer surface of matrix layer.Described overlay film modification propping agent in oil, Natural Gas Well pressure break exploitation field application, can be beneficial to and carry high sand ratio, reduce fracturing liquid consumption, effectively prevent propping agent from returning and tell phenomenon, alleviate proppant embedment, improve fracture flow capacity, extend improvement.Be conducive to improving oil yield, reduce aquifer yield, the exploitation of solution low-permeability oilfield is significant.
Description
Technical field
The present invention relates to and exploit a kind of overlay film modification propping agent in field and its preparation method and application for oil, Natural Gas Well pressure break.
Background technology
When petroleum fracturing propping agent is mainly used in oil, Sweet natural gas deep mining, the material that particularly must use when the oil of well depth more than 2000 meters, gas exploitation, proppant in high intensity is filled in the formation fractures in hyposmosis mineral deposit, carry out the closed fracture treatment of height, with supporting crack not stress release and close and, oil, gas is allowed to collect from fissure channel, thus keep the high flow conductivity of oil, gas, increase oil, gas output, extend oil, the gas well length of service, improve oil recovery, gas economic benefit.
The propping agent that fracturing technology is used both at home and abroad is at present mainly based on quartz sand and haydite, but quartz sand is propping agent conventional at present, and relative density is about 2.5.Because it is inexpensive, the success ratio that all kinds of stratum of centering shallow well use quartz sands certain for propping agent has.And quartz sand insufficient strength high (start broken pressure and be about 28MPa), therefore can not be used in deep well fracturing.When locking pressure is higher, sand grains will be broken, produces a large amount of fragments and finely powdered sand.These fine silts move and block flow passage in crack, thus greatly reduce the flow conductivity in crack.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of overlay film modification propping agent and its preparation method and application, solves the problems referred to above.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A kind of overlay film modification propping agent, is characterized in that: be made up of matrix and the resin layer that is evenly coated on outer surface of matrix; Described matrix is its quartz sand of storehouse cloth; Described resin layer accounts for the 1-10wt% of matrix;
Described resin layer comprises resin glue and solidifying agent, described resin glue is bisphenol A type epoxy resin, urethane resin or its composition, described solidifying agent is aliphatic polyamine or alicyclic polyamine class solidifying agent, and hardener dose accounts for the 10-50wt% of resin layer.
Preferably described resin layer accounts for the 3-7wt% of matrix; Hardener dose accounts for the 27-40wt% of resin layer.
Described overlay film modification propping agent, is characterized in that adding hydrophobic polymer in described resin glue.
Described overlay film modification propping agent, it is characterized in that described resin glue be epoxy resin and urethane resin combination time, urethane resin is the 5-50wt% of resin glue.
Described overlay film modification propping agent, is characterized in that described urethane resin is that aliphatic polyol and polyisocyanates are polymerized.
Described overlay film modification propping agent, is characterized in that described polyisocyanates is tolylene diisocyanate, diphenylmethanediisocyanate, hexamethylene diisocyanate, isophorone diisocyanate one or a combination set of thing.
Described overlay film modification propping agent, is characterized in that: described hydrophobic polymer is silicone resin; Described silicone resin accounts for the 1-10wt% of resin layer.
Described overlay film modification propping agent, is characterized in that: described silicone resin is r-aminopropyltriethoxywerene werene, r-glycidyl ether oxygen propoxypropyl Trimethoxy silane, N-(β-aminoethyl)-r-aminopropyltriethoxy dimethoxysilane or its mixture.
Described overlay film modification propping agent, is characterized in that: the sand grains particle diameter of described storehouse its quartz sand of cloth is 0.106mm-3.35mm.
The preparation method of described overlay film modification propping agent, is made up of following steps:
A cloth its quartz sand in storehouse is heated to 200-300 DEG C by (), pour in sand mill;
B () adds hydrophobic polymer as its quartz sand of storehouse cloth 180-200 DEG C, stir 30-90s;
C () adds resin glue, stir 60-100s;
D () adds solidifying agent and stirs 100-180s, cause Desert Sand to disperse completely;
E () cools, sieve, pack.
Described overlay film modification propping agent is in the application in oil, Natural Gas Well pressure break exploitation field.
Technical problem to be solved by this invention is to provide a kind of overlay film modification propping agent, formed at quartz sand aggregate Surface coating one deck macromolecular material by high-tech means, have that relative density is little, the high and low percentage of damage of intensity, circularity, sphericity and unreactiveness are good and can in features such as down-hole low-temperature concretions.Oil field compression fracture and sand-preventing process can be widely used in, be beneficial to and carry high sand ratio, reduce fracturing liquid consumption, effectively prevent propping agent from returning and tell phenomenon, alleviate proppant embedment, improve fracture flow capacity, extend improvement.Be conducive to improving oil yield, reduce aquifer yield, the exploitation of solution low-permeability oilfield is significant.
Embodiment
Embodiment 1
Precise raw material (Kg): sand grains particle diameter is its quartz sand 100 of storehouse cloth of 0.106mm-3.35mm, bisphenol A type epoxy resin 0.85, aliphatic polyamine class solidifying agent 0.1, r-aminopropyltriethoxywerene werene 0.05.
The preparation method of described overlay film modification propping agent, is made up of following steps:
A cloth its quartz sand in storehouse is heated to 200-300 DEG C by (), pour in sand mill;
B () adds hydrophobic polymer as its quartz sand of storehouse cloth 180-200 DEG C, stir 30-90s;
C () adds resin glue, stir 60-100s;
D () adds solidifying agent and stirs 100-180s, cause Desert Sand to disperse completely;
E () cools, sieve, pack.
Embodiment 2
Precise raw material (Kg): sand grains particle diameter is its quartz sand 100 of storehouse cloth of 0.106mm-3.35mm, urethane resin 2.15, aliphatic polyamine class solidifying agent 0.81, r-glycidyl ether oxygen propoxypropyl Trimethoxy silane 0.04.
The preparation method of described overlay film modification propping agent, is made up of following steps:
A cloth its quartz sand in storehouse is heated to 200-300 DEG C by (), pour in sand mill;
B () adds hydrophobic polymer as its quartz sand of storehouse cloth 180-200 DEG C, stir 30-90s;
C () adds resin glue, stir 60-100s;
D () adds solidifying agent and stirs 100-180s, cause Desert Sand to disperse completely;
E () cools, sieve, pack.
Embodiment 3
Precise raw material (Kg): sand grains particle diameter is its quartz sand 100 of storehouse cloth of 0.106mm-3.35mm, urethane resin and bisphenol A type epoxy resin totally 3.85, urethane resin accounts for 5wt%, alicyclic polyamine class solidifying agent 2.8, N-(β-aminoethyl)-r-aminopropyltriethoxy dimethoxysilane 0.35.
The preparation method of described overlay film modification propping agent, is made up of following steps:
A cloth its quartz sand in storehouse is heated to 200-300 DEG C by (), pour in sand mill;
B () adds hydrophobic polymer as its quartz sand of storehouse cloth 180-200 DEG C, stir 30-60s;
C () adds resin glue, stir 60-100s;
D () adds solidifying agent and stirs 100-180s, cause Desert Sand to disperse completely;
E () cools, sieve, pack.
Embodiment 4
Precise raw material (Kg): sand grains particle diameter is its quartz sand 100 of storehouse cloth of 0.106mm-3.35mm, urethane resin and bisphenol A type epoxy resin totally 4, urethane resin accounts for 50wt%, alicyclic polyamine class solidifying agent 5, r-aminopropyltriethoxywerene werene 1.
The preparation method of described overlay film modification propping agent, is made up of following steps:
A cloth its quartz sand in storehouse is heated to 200-300 DEG C by (), pour in sand mill;
B () adds hydrophobic polymer as its quartz sand of storehouse cloth 180-200 DEG C, stir 30-60s;
C () adds resin glue, stir 60-100s;
D () adds solidifying agent and stirs 100-180s, cause Desert Sand to disperse completely;
E () cools, sieve, pack.
Embodiment 5
Precise raw material (Kg): sand grains particle diameter is its quartz sand 100 of storehouse cloth of 0.106mm-3.35mm, urethane resin and bisphenol A type epoxy resin totally 2.75, urethane resin accounts for 25wt%, aliphatic polyamine class solidifying agent 1.75, hydrophobic polymer 0.5, hydrophobic polymer is the mixing of r-aminopropyltriethoxywerene werene, r-glycidyl ether oxygen propoxypropyl Trimethoxy silane and N-(β-aminoethyl)-r-aminopropyltriethoxy dimethoxysilane equal proportion.
The preparation method of described overlay film modification propping agent, is made up of following steps:
A cloth its quartz sand in storehouse is heated to 200-300 DEG C by (), pour in sand mill;
B () adds hydrophobic polymer as its quartz sand of storehouse cloth 180-200 DEG C, stir 30-60s;
C () adds resin glue, stir 60-100s;
D () adds solidifying agent and stirs 100-180s, cause Desert Sand to disperse completely;
E () cools, sieve, pack.
Embodiment 6
The overlay film modification propping agent prepared according to embodiment 1-5 is in the application in oil, Natural Gas Well pressure break exploitation field.
| Test item | Acid solubility % | Turbidity NTU | The broken % of 28Mpa |
| Embodiment 1 | 1.26 | 15 | 0.68 |
| Embodiment 2 | 1.31 | 17 | 0.77 |
| Embodiment 3 | 1.35 | 17 | 0.80 |
| Its quartz sand of storehouse cloth | 9.73 | 89 | 13.41 |
Claims (6)
1. an overlay film modification propping agent, is characterized in that: be made up of matrix and the resin layer that is evenly coated on outer surface of matrix; Described matrix is its quartz sand of storehouse cloth; Described resin layer accounts for the 1-10wt% of matrix;
Described resin layer comprises resin glue and solidifying agent, described resin glue is the composition of urethane resin or bisphenol A type epoxy resin and urethane resin, described solidifying agent is aliphatic polyamine or alicyclic polyamine class solidifying agent, and hardener dose accounts for the 10-50wt% of resin layer;
Described resin glue be bisphenol A type epoxy resin and urethane resin combination time, urethane resin is the 5-50wt% of resin glue;
Described urethane resin is that aliphatic polyol and polyisocyanates are polymerized;
Described polyisocyanates is tolylene diisocyanate, diphenylmethanediisocyanate, hexamethylene diisocyanate, isophorone diisocyanate one or a combination set of thing.
2. overlay film modification propping agent as claimed in claim 1, is characterized in that: described resin layer accounts for the 3-7wt% of matrix; Hardener dose accounts for the 27-40wt% of resin layer.
3. overlay film modification propping agent as claimed in claim 1 or 2, is characterized in that adding hydrophobic polymer in described resin glue; Described hydrophobic polymer is silicone resin; Described silicone resin accounts for the 1-10wt% of resin layer.
4. overlay film modification propping agent as claimed in claim 3, is characterized in that: described silicone resin is r-aminopropyltriethoxywerene werene, r-glycidyl ether oxygen propoxypropyl Trimethoxy silane, N-(β-aminoethyl)-r-aminopropyltriethoxy dimethoxysilane or its mixture.
5. overlay film modification propping agent as claimed in claim 1 or 2, is characterized in that: the sand grains particle diameter of described storehouse its quartz sand of cloth is 0.106mm-3.35mm.
6. the overlay film modification propping agent that one of claim 1-5 is described is in the application in oil, Natural Gas Well pressure break exploitation field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406270.3A CN102942334B (en) | 2012-10-24 | 2012-10-24 | A kind of overlay film modification propping agent and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406270.3A CN102942334B (en) | 2012-10-24 | 2012-10-24 | A kind of overlay film modification propping agent and its preparation method and application |
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| Publication Number | Publication Date |
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| CN102942334A CN102942334A (en) | 2013-02-27 |
| CN102942334B true CN102942334B (en) | 2016-02-17 |
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| US10501683B2 (en) | 2013-11-26 | 2019-12-10 | Basf Se | Proppant |
| US20160186049A1 (en) * | 2014-12-30 | 2016-06-30 | Georgia-Pacific Chemicals Llc | Coated proppants containing hyperbranched polyurethane coatings and methods for using same |
| CN106085406B (en) * | 2016-07-15 | 2019-05-21 | 重庆长江造型材料（集团）股份有限公司 | A kind of preparation method of environment protection type high-strength resin coated propping agent |
| CN106190094B (en) * | 2016-07-15 | 2020-01-07 | 重庆长江造型材料（集团）股份有限公司 | Environment-friendly high-strength resin coated proppant |
| JP2020513428A (en) * | 2016-11-02 | 2020-05-14 | ワッカー ケミー アクチエンゲゼルシャフトＷａｃｋｅｒ Ｃｈｅｍｉｅ ＡＧ | Modified reactive resin compositions and their use for coating propellants |
| CN106675549B (en) * | 2016-12-05 | 2021-11-09 | 北京奇想达新材料有限公司 | Underwater suspensible proppant for oil-gas well fracturing and preparation method thereof |
| CN107235673A (en) * | 2017-06-29 | 2017-10-10 | 武威奥维特建材有限公司 | Desert Sand Non-steamed aerated block production technology |
| CN109233797A (en) * | 2018-10-09 | 2019-01-18 | 西南大学 | Overlay film fracturing propping agents based on polyurethane and preparation method thereof |
| DE102019117186B4 (en) | 2019-06-26 | 2024-08-29 | Dongguan Zongzhi Jiance Ltd | PROPELLANT, METHOD FOR THE PRODUCTION THEREOF AND USE OF THE PROPELLANT |
| CN112724951B (en) * | 2019-10-28 | 2023-04-07 | 中国石油化工股份有限公司 | Water-control consolidated sand and preparation method thereof |
| CN110699062B (en) * | 2019-10-30 | 2021-09-28 | 大港油田集团有限责任公司 | Epoxy resin coating proppant and preparation method and construction process thereof |
| CN112031724B (en) * | 2020-07-31 | 2022-06-24 | 中国地质大学（武汉） | Method for observing hydraulic fracturing fracture of coal-bed gas well |
| CN113337266B (en) * | 2021-04-21 | 2023-03-28 | 西南石油大学 | Fracturing fluid system for enhancing pressure bearing capacity of proppant and application method thereof |
| CN115678534B (en) * | 2021-07-29 | 2024-03-19 | 中国石油化工股份有限公司 | Propping agent and preparation method and application thereof |
| CN114540003A (en) * | 2021-12-31 | 2022-05-27 | 新疆中凌工程技术有限公司 | Proppant fracture surface flow conductivity reinforcing agent for volume fracturing |
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| CN1640981A (en) * | 2004-01-16 | 2005-07-20 | 北京仁创制造技术研究院 | Cladded quartz sand fracturing support agent for oil production |
| CN1995257A (en) * | 2005-12-26 | 2007-07-11 | 秦升益 | Weatherable water-permeable binder |
| CN101586024A (en) * | 2008-05-21 | 2009-11-25 | 北京仁创科技集团有限公司 | Kind of laminated granule for oil extraction, proppant and oil extraction method using the proppant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2536957C (en) * | 2006-02-17 | 2008-01-22 | Jade Oilfield Service Ltd. | Method of treating a formation using deformable proppants |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1640981A (en) * | 2004-01-16 | 2005-07-20 | 北京仁创制造技术研究院 | Cladded quartz sand fracturing support agent for oil production |
| CN1995257A (en) * | 2005-12-26 | 2007-07-11 | 秦升益 | Weatherable water-permeable binder |
| CN101586024A (en) * | 2008-05-21 | 2009-11-25 | 北京仁创科技集团有限公司 | Kind of laminated granule for oil extraction, proppant and oil extraction method using the proppant |
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