CN105131930A - Liquid carbon dioxide fracturing fluid - Google Patents
Liquid carbon dioxide fracturing fluid Download PDFInfo
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- CN105131930A CN105131930A CN201510434208.9A CN201510434208A CN105131930A CN 105131930 A CN105131930 A CN 105131930A CN 201510434208 A CN201510434208 A CN 201510434208A CN 105131930 A CN105131930 A CN 105131930A
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- carbon dioxide
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000007788 liquid Substances 0.000 title claims abstract description 89
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 45
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 45
- 239000012530 fluid Substances 0.000 title abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 71
- 229920000642 polymer Polymers 0.000 claims abstract description 36
- 239000002103 nanocoating Substances 0.000 claims abstract description 31
- 239000002904 solvent Substances 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 7
- 239000002114 nanocomposite Substances 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 5
- 229910001410 inorganic ion Inorganic materials 0.000 claims abstract description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 9
- 229930195733 hydrocarbon Natural products 0.000 claims description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- -1 organo montmorillonite Chemical compound 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 239000004576 sand Substances 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract 2
- 238000004062 sedimentation Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 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 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 235000011089 carbon dioxide Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 241000931705 Cicada Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000008961 swelling Effects 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
- C09K8/62—Compositions for forming crevices or fractures
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/08—Fiber-containing well treatment fluids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a liquid carbon dioxide fracturing fluid, which comprises: tackifier, auxiliary solvent, nano-coating fiber and liquid carbon dioxide; wherein the nano-coating fiber specifically comprises: polymer/inorganic ion nanocomposite fibers, polymer/carbon nanotube composite fibers, polymer/layered filler composite fibers, polymer/montmorillonite nanocomposite fibers, or polymer/graphite nanocomposite fibers. In the embodiment, the nano coating fiber is added into the liquid carbon dioxide fracturing fluid, so that the friction resistance in the construction pipe column is reduced, and the nano coating fiber can also form a fiber network in the liquid carbon dioxide fracturing fluid, so that the sand carrying performance of the fracturing fluid is improved, the sedimentation mode is changed, and the sedimentation rate of the propping agent is slowed down.
Description
Technical field
The present invention relates to unconventionaloil pool production technique field, particularly a kind of liquid carbon dioxide fracturing liquid.
Background technology
Unconventional gas resources comprises shale gas, compact sandstone gas etc., and current unconventional petroleum resources plays key player in global energy structure.The reservoir properties of unconventional petroleum resources is generally poor, has the physical property characteristics such as low porosity, low permeability, low pore throat radius, and the resistance to flow of oil gas is hidden large many compared with conventional gas and oil.The exploitation that hydraulic fracturing technology is applied to the unconventionaloil pool such as shale gas and tight gas Tibetan can produce the series of problems such as water-sensitive, reservoir pollution, and water resources shortage is also the important factor of restriction waterfrac treatment.
Liquid carbon dioxide pressure break is that a kind of novel Unconventional forage hides stimulation technology.Compared with conventional hydraulic pressure break, liquid carbon dioxide fracturing liquid have height return row, little to reservoir pollution, prevent the plurality of advantages such as clay mineral hydration swelling, therefore, liquid carbon dioxide pressure break can improve unconventionaloil pool reservoir flow conductivity.
But liquid carbon dioxide fracturing liquid of the prior art, owing to there is the high technical problem of frictional resistance, still can not be widely used.
Summary of the invention
The embodiment of the present invention provides a kind of liquid carbon dioxide fracturing liquid, for solving the technical problem that in prior art, liquid carbon dioxide fracturing liquid frictional resistance is high, reduces of the fracturing fluid frictional resistance.
The embodiment of the present application provides a kind of liquid carbon dioxide fracturing liquid, and described fracturing liquid comprises:
Tackifier, secondary solvent, nano coating fiber and liquid carbon dioxide;
Wherein, described nano coating fiber is specially: polymer/inorganic ion nano-composite fiber, polymer/carbon nano-tube conjugated fibre, polymer/laminated filler conjugated fibre, polymer/montmorillnoite nano conjugated fibre or polymer/graphite nanometer conjugated fibre.
Optionally, the fiber surface of described nano coating fiber and end face particle dispersed with 40 ~ 50nm.
Optionally, the length of described nano coating fiber is 0.3 ~ 0.6cm.
Optionally, the preparation method of described polymer/montmorillnoite nano conjugated fibre is:
The polynite aqueous solution and palmityl trimethyl ammonium chloride are reacted under silane coupling agent effect, obtains organo montmorillonite;
Described organo montmorillonite and polymer blending are extruded, obtains pellet;
By described pellet through spinning, obtain polymer/montmorillnoite nano conjugated fibre.
Optionally, described tackifier are specially highly fluorinated acrylate and partly sulfonated cinnamic segmented copolymer.
Optionally, described secondary solvent is specially the combination hydrocarbon of arbitrary hydrocarbon in alkane, aromatic hydrocarbons, unsaturated hydrocarbons and cyclic hydrocarbon or at least two kinds of hydrocarbon.
Optionally, the mass percentage content of described nano coating fiber in described fracturing liquid is 0.05% ~ 0.1%.
Optionally, the mass percentage content of described tackifier in described fracturing liquid is 0.5% ~ 2.5%.
Optionally, the mass percentage content of described secondary solvent in described fracturing liquid is 0.5% ~ 5%.
Optionally, the mass percentage content of described liquid carbon dioxide in described fracturing liquid is 92.4% ~ 98.95%.
Above-mentioned one or more technical scheme in the embodiment of the present application, at least has following technique effect:
By adding nano coating fiber in liquid carbon dioxide fracturing liquid, reduce frictional resistance in operating tool string, and nano coating fiber can also form fibre network in liquid carbon dioxide pressure liquid, change subsidence style, therefore improve and of the fracturing fluidly take grittiness energy, slowed down the subsidence rate of propping agent.
Accompanying drawing explanation
Fig. 1 is the change schematic diagram of fracturing liquid resistance coefficient with flow velocity of configuration in the embodiment of the present application 1 and comparative example 3;
Fig. 2 is the change schematic diagram of fracturing liquid resistance coefficient with flow velocity of configuration in the embodiment of the present application 2 and comparative example 3.
Embodiment
In the technical scheme that the embodiment of the present application provides, by adding nano coating fiber in liquid carbon dioxide fracturing liquid, reduce frictional resistance in operating tool string.
Below in conjunction with accompanying drawing, the main of the embodiment of the present application technical scheme is realized principle, embodiment and be explained in detail the beneficial effect that should be able to reach.
The invention provides a kind of liquid carbon dioxide fracturing liquid, described fracturing liquid comprises:
Tackifier, secondary solvent, nano coating fiber and liquid carbon dioxide;
Wherein, described nano coating fiber is specially: polymer/inorganic ion nano-composite fiber, polymer/carbon nano-tube conjugated fibre, polymer/laminated filler conjugated fibre, polymer/montmorillnoite nano conjugated fibre or polymer/graphite nanometer conjugated fibre.
It should be noted that, in the embodiment of the present application, nano coating fiber is selected from but is not limited to polymer/inorganic ion nano-composite fiber, polymer/carbon nano-tube conjugated fibre, polymer/laminated filler conjugated fibre, polymer/montmorillnoite nano conjugated fibre or polymer/graphite nanometer conjugated fibre.Preferably, nano coating fiber can select polymer/montmorillnoite nano conjugated fibre or polymer/graphite nanometer conjugated fibre.
In specific implementation process, the of the fracturing fluid tackifier of liquid carbon dioxide can be highly fluorinated acrylate and partly sulfonated cinnamic segmented copolymer.Wherein, highly fluorinated acrylate specifically to refer in acrylate that more than percent 77 hydrogen replaced by fluorine; Partly sulfonated cinnamic segmented copolymer specifically refers to that the sulphur atom in cinnamic segmented copolymer in percent 10-20 is connected with carbon atom.
The of the fracturing fluid secondary solvent of liquid carbon dioxide is the combination hydrocarbon of arbitrary hydrocarbon in alkane, aromatic hydrocarbons, unsaturated hydrocarbons and cyclic hydrocarbon or at least two kinds of hydrocarbon.Wherein, the effect of secondary solvent specifically promotes the dissolving of tackifier in liquid carbon dioxide.
In specific implementation process, liquid carbon dioxide fracturing liquid, formulated by following mass percent by following composition:
Tackifier: 0.5% ~ 2.5%;
Secondary solvent: 0.5%-5%;
Nano coating fiber: 0.05% ~ 0.1%;
Liquid carbon dioxide: 92.4% ~ 98.95%.
Further, the fiber surface of described nano coating fiber and end face particle are dispersed in liquid carbon dioxide with 40 ~ 50nm and form fibre network.Wherein, the length of described nano coating fiber can be 0.3 ~ 0.6cm.
The embodiment of the present application also provides a kind of preparation method of polymer/montmorillnoite nano conjugated fibre: the polynite aqueous solution and palmityl trimethyl ammonium chloride are reacted under silane coupling agent effect, obtain organo montmorillonite; Described organo montmorillonite and polymer blending are extruded, obtains pellet; By described pellet through spinning, obtain polymer/montmorillnoite nano conjugated fibre.
Exemplify the of the fracturing fluid example of liquid carbon dioxide (embodiment 1,2) that two the embodiment of the present application provide below, contrast with the liquid carbon dioxide fracturing liquid (comparative example 3) not comprising nano coating fiber, describe the of the fracturing fluid benefit of liquid carbon dioxide that the embodiment of the present application provides in detail.
Embodiment 1: carbonic acid gas is cooled to-10 DEG C in indoor, be forced into 25Mpa, get 2% tackifier, 5% secondary solvent, 0.05% nano coating fiber be added in 92.95% liquid carbon dioxide by airtight injection device, stirring and dissolving is mixed with liquid carbon dioxide fracturing fluid system.
Embodiment 2: carbonic acid gas is cooled to-10 DEG C in indoor, be forced into 25Mpa, get 2% tackifier, 5% secondary solvent, 0.1% nano coating fiber be added in 92.9% liquid carbon dioxide by airtight injection device, stirring and dissolving is mixed with liquid carbon dioxide fracturing fluid system.
Comparative example 3: carbonic acid gas is cooled to-10 DEG C in indoor, is forced into 25Mpa, and get 2% tackifier, 5% secondary solvent is added in 93% liquid carbon dioxide by airtight injection device, stirring and dissolving is mixed with liquid carbon dioxide fracturing fluid system.
The frictional resistance of the carbonic acid gas pressure break liquid that embodiment 1,2 and comparative example 3 obtain is tested.The flow velocity of experiment is 1m/s, 1.5m/s, 2m/s, 2.5m/s, 3m/s, and the caliber of employing is 4mm.Result is see Fig. 1, Fig. 2.In figure,
for the frictional resistance of fracturing liquid under different flow prepared by comparative example 3;
for the frictional resistance of fracturing liquid under different flow prepared by embodiment 1.From Fig. 1,2, it is lower that the of the fracturing fluid frictional resistance of the liquid carbon dioxide comprising nano coating fiber prepared by the present invention does not comprise the of the fracturing fluid frictional resistance of nano coating fiber liquid carbon dioxide relatively.
Fracturing liquid prepared by embodiment 1,2 and comparative example 3 is passed in closed reactor, add the propping agent of 5% sand ratio respectively, the particle diameter of propping agent used is 40/70 object haydite, its density is 1.65g/cm3, after stirring under normal temperature, propping agent is floated, records 5% sand and compare proppant settlement rate; On the other hand, fracturing liquid prepared by embodiment 1,2 and comparative example 3 is passed in closed reactor, adds simple grain propping agent respectively, record simple grain proppant settlement rate, result is see table 1, and the liquid carbon dioxide fracturing liquid that visible the embodiment of the present application provides has slowed down the subsidence rate of propping agent.
Table 1 proppant settlement rate compares
In the above embodiments of the present application, by adding nano coating fiber in liquid carbon dioxide fracturing liquid, having and falling resistance effect, its resistance-reducing yield is the of the fracturing fluid 20%-40% of liquid carbon dioxide in prior art, reduces frictional resistance in operating tool string; And nano coating fiber can also form fibre network in liquid carbon dioxide pressure liquid, changes subsidence style, therefore improve and of the fracturing fluidly take grittiness energy, slowed down the subsidence rate of propping agent.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a liquid carbon dioxide fracturing liquid, is characterized in that, described fracturing liquid comprises:
Tackifier, secondary solvent, nano coating fiber and liquid carbon dioxide;
Wherein said nano coating fiber is specially: polymer/inorganic ion nano-composite fiber, polymer/carbon nano-tube conjugated fibre, polymer/laminated filler conjugated fibre, polymer/montmorillnoite nano conjugated fibre or polymer/graphite nanometer conjugated fibre.
2. fracturing liquid as claimed in claim 1, it is characterized in that, fiber surface and the end face particle of described nano coating fiber are dispersed with 40 ~ 50nm.
3. fracturing liquid as claimed in claim 1, it is characterized in that, the length of described nano coating fiber is 0.3 ~ 0.6cm.
4. fracturing liquid as claimed in claim 1, it is characterized in that, the preparation method of described polymer/montmorillnoite nano conjugated fibre is:
The polynite aqueous solution and palmityl trimethyl ammonium chloride are reacted under silane coupling agent effect, obtains organo montmorillonite;
Described organo montmorillonite and polymer blending are extruded, obtains pellet;
By described pellet through spinning, obtain polymer/montmorillnoite nano conjugated fibre.
5. fracturing liquid as claimed in claim 1, it is characterized in that, described tackifier are specially highly fluorinated acrylate and partly sulfonated cinnamic segmented copolymer.
6. fracturing liquid as claimed in claim 1, is characterized in that, described secondary solvent is specially the combination hydrocarbon of arbitrary hydrocarbon in alkane, aromatic hydrocarbons, unsaturated hydrocarbons and cyclic hydrocarbon or at least two kinds of hydrocarbon.
7. the fracturing liquid as described in as arbitrary in claim 1 ~ 6, it is characterized in that, the mass percentage content of described nano coating fiber in described fracturing liquid is 0.05% ~ 0.1%.
8. the fracturing liquid as described in as arbitrary in claim 1 ~ 6, it is characterized in that, the mass percentage content of described tackifier in described fracturing liquid is 0.5% ~ 2.5%.
9. the fracturing liquid as described in as arbitrary in claim 1 ~ 6, it is characterized in that, the mass percentage content of described secondary solvent in described fracturing liquid is 0.5% ~ 5%.
10. the fracturing liquid as described in as arbitrary in claim 1 ~ 6, it is characterized in that, the mass percentage content of described liquid carbon dioxide in described fracturing liquid is 92.4% ~ 98.95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434208.9A CN105131930A (en) | 2015-07-22 | 2015-07-22 | Liquid carbon dioxide fracturing fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434208.9A CN105131930A (en) | 2015-07-22 | 2015-07-22 | Liquid carbon dioxide fracturing fluid |
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| CN105131930A true CN105131930A (en) | 2015-12-09 |
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Family Applications (1)
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| CN201510434208.9A Pending CN105131930A (en) | 2015-07-22 | 2015-07-22 | Liquid carbon dioxide fracturing fluid |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649595A (en) * | 2015-12-31 | 2016-06-08 | 中国石油天然气股份有限公司 | Air cushion type filtration reducing and drainage assisting method for repeated transformation of old well of low-pressure gas field |
| CN105888641A (en) * | 2016-04-08 | 2016-08-24 | 北京纽荷瑞晨能源技术有限公司 | Carbon dioxide-anti-drag water compound fracturing method |
| CN106010496A (en) * | 2016-05-16 | 2016-10-12 | 陕西科技大学 | CO2 energy-increasing acid clean fracturing fluid and preparation method thereof |
| CN106800926A (en) * | 2015-11-26 | 2017-06-06 | 北京纽荷瑞晨能源技术有限公司 | A kind of nano-composite fiber liquid carbon dioxide fracturing fluid |
| CN107201220A (en) * | 2017-05-11 | 2017-09-26 | 中国石油天然气股份有限公司 | Method for improving viscosity of liquid carbon dioxide |
| CN108424760A (en) * | 2018-04-23 | 2018-08-21 | 中国石油大学(华东) | A kind of CO being suitable for fine and close oily reservoir2Sensitive pressure break-row's displacement system and the preparation method and application thereof method |
| CN108728075A (en) * | 2018-06-29 | 2018-11-02 | 成都菲尔特技术开发有限公司 | A kind of tackifying system of liquid and supercritical carbon dioxide |
| CN108728074A (en) * | 2018-06-29 | 2018-11-02 | 成都菲尔特技术开发有限公司 | A kind of liquid and supercritical carbon dioxide thickening switch surfactant and its compound system |
| CN109666463A (en) * | 2017-10-14 | 2019-04-23 | 新沂市中诺新材料科技有限公司 | A kind of preparation method of oil base drilling fluid thickening extracting and cutting agent |
| CN110291174A (en) * | 2017-02-13 | 2019-09-27 | 沙特阿拉伯石油公司 | Thickening proppant and its preparation and application for carbon dioxide-base fracturing fluid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555312A (en) * | 2013-10-30 | 2014-02-05 | 中联煤层气有限责任公司 | Nano composite fiber clean fracturing fluid and preparation method thereof |
| CN104152133A (en) * | 2013-05-13 | 2014-11-19 | 中国石油化工股份有限公司 | Carbon dioxide fracturing fluid and preparation method thereof |
| CN104498019A (en) * | 2014-12-27 | 2015-04-08 | 重庆地质矿产研究院 | Nano-coating fiber active water fracturing fluid |
| CN104531129A (en) * | 2015-01-09 | 2015-04-22 | 成都佰椿石油科技有限公司 | Clean carbon dioxide foam fracturing fluid and preparation method thereof |
-
2015
- 2015-07-22 CN CN201510434208.9A patent/CN105131930A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152133A (en) * | 2013-05-13 | 2014-11-19 | 中国石油化工股份有限公司 | Carbon dioxide fracturing fluid and preparation method thereof |
| CN103555312A (en) * | 2013-10-30 | 2014-02-05 | 中联煤层气有限责任公司 | Nano composite fiber clean fracturing fluid and preparation method thereof |
| CN104498019A (en) * | 2014-12-27 | 2015-04-08 | 重庆地质矿产研究院 | Nano-coating fiber active water fracturing fluid |
| CN104531129A (en) * | 2015-01-09 | 2015-04-22 | 成都佰椿石油科技有限公司 | Clean carbon dioxide foam fracturing fluid and preparation method thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106800926A (en) * | 2015-11-26 | 2017-06-06 | 北京纽荷瑞晨能源技术有限公司 | A kind of nano-composite fiber liquid carbon dioxide fracturing fluid |
| CN105649595A (en) * | 2015-12-31 | 2016-06-08 | 中国石油天然气股份有限公司 | Air cushion type filtration reducing and drainage assisting method for repeated transformation of old well of low-pressure gas field |
| CN105888641A (en) * | 2016-04-08 | 2016-08-24 | 北京纽荷瑞晨能源技术有限公司 | Carbon dioxide-anti-drag water compound fracturing method |
| CN106010496A (en) * | 2016-05-16 | 2016-10-12 | 陕西科技大学 | CO2 energy-increasing acid clean fracturing fluid and preparation method thereof |
| CN110291174A (en) * | 2017-02-13 | 2019-09-27 | 沙特阿拉伯石油公司 | Thickening proppant and its preparation and application for carbon dioxide-base fracturing fluid |
| CN110291174B (en) * | 2017-02-13 | 2022-04-26 | 沙特阿拉伯石油公司 | Tackifying proppant for carbon dioxide-based fracturing fluid and preparation and application methods thereof |
| CN107201220A (en) * | 2017-05-11 | 2017-09-26 | 中国石油天然气股份有限公司 | Method for improving viscosity of liquid carbon dioxide |
| CN107201220B (en) * | 2017-05-11 | 2019-08-06 | 中国石油天然气股份有限公司 | Method for improving viscosity of liquid carbon dioxide |
| CN109666463A (en) * | 2017-10-14 | 2019-04-23 | 新沂市中诺新材料科技有限公司 | A kind of preparation method of oil base drilling fluid thickening extracting and cutting agent |
| CN108424760A (en) * | 2018-04-23 | 2018-08-21 | 中国石油大学(华东) | A kind of CO being suitable for fine and close oily reservoir2Sensitive pressure break-row's displacement system and the preparation method and application thereof method |
| CN108728075A (en) * | 2018-06-29 | 2018-11-02 | 成都菲尔特技术开发有限公司 | A kind of tackifying system of liquid and supercritical carbon dioxide |
| CN108728074A (en) * | 2018-06-29 | 2018-11-02 | 成都菲尔特技术开发有限公司 | A kind of liquid and supercritical carbon dioxide thickening switch surfactant and its compound system |
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Application publication date: 20151209 |