CN103868772A - Preparation method of artificial rock core for rock drillability testing - Google Patents
Preparation method of artificial rock core for rock drillability testing Download PDFInfo
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- CN103868772A CN103868772A CN201410100159.0A CN201410100159A CN103868772A CN 103868772 A CN103868772 A CN 103868772A CN 201410100159 A CN201410100159 A CN 201410100159A CN 103868772 A CN103868772 A CN 103868772A
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- 239000011435 rock Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 40
- 239000011707 mineral Substances 0.000 claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 28
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 14
- 239000010433 feldspar Substances 0.000 claims description 14
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 229910052586 apatite Inorganic materials 0.000 claims description 8
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 8
- 239000010436 fluorite Substances 0.000 claims description 8
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- WKBPZYKAUNRMKP-UHFFFAOYSA-N 1-[2-(2,4-dichlorophenyl)pentyl]1,2,4-triazole Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(CCC)CN1C=NC=N1 WKBPZYKAUNRMKP-UHFFFAOYSA-N 0.000 claims description 7
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 7
- 239000010440 gypsum Substances 0.000 claims description 7
- 229910052602 gypsum Inorganic materials 0.000 claims description 7
- 239000000454 talc Substances 0.000 claims description 7
- 229910052623 talc Inorganic materials 0.000 claims description 7
- 235000012222 talc Nutrition 0.000 claims description 7
- 239000011031 topaz Substances 0.000 claims description 7
- 229910052853 topaz Inorganic materials 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000011121 hardwood Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract 4
- 238000001816 cooling Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- -1 and wherein Chemical compound 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 241000662429 Fenerbahce Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to a preparation method of an artificial rock core for rock drillability testing. The preparation method comprises the following steps: firstly, preparing cement and mineral: weighing 8.5-9 parts of rock-forming mineral assemblage with corresponding drillability value and 0.5-1.5 parts of cement, placing into a vessel and then adding 0.05 part of water, and stirring uniformly; secondly, preparing a model: feeding the mixture of the rock-forming mineral and the cement into a mold and compacting by a pressing plate; thirdly, placing the mold after feeding in a pressure testing machine, slowly rising the pressure to be 10-80 barometric pressures, and keeping the pressure for 20 min, and then releasing pressure; and placing the pressed rock core in a drying oven, solidifying at the constant temperature of 90 DEG C for 6-8h, cooling naturally to obtain the artificial rock core with certain drillability value. The prepared rock core is similar to the natural rock core in physical and mechanical properties, and the artificial rock core with different drillability values can be prepared through adjustment of contents of the composition minerals, proportion, granularity, the content of the cement, the pressing pressure and the like.
Description
One, technical field:
What the present invention relates to is to be applied in petroleum engineering, mining engineering, Geotechnical Engineering and rock failure field the synthetic core of analyzing for formation rock simulation and rate of penetration, and that be specifically related to is a kind of synthetic core preparation method for rock drillability test.
Two, background technology:
In the scientific research of oil field, usually need to use rock core to carry out simulating lab test.Natural core is affected by size of the hole, and the small volume of coring cannot carry out large scale rock test experiments.Along with deepening continuously of oil-gas exploration and development, well depth from middle-shallow layer to deep layer, super deep layer extends, the difficulty of coring increases day by day, large section is cored very difficult, the expense of coring is more and more higher.At present, due to natural all deficiencies of coring, domestic a lot of research institutions all adopt synthetic core to carry out simulating lab test.Explore stratum rule by the simulated experiment of synthetic core, on volume, cost, synthetic core is far superior to natural core.At present the synthetic core of application has cementing etc. three kinds of quartz sand epoxy resin cementitious, silica sand filling, silica sand aluminum phosphate, and wherein, quartz sand epoxy resin cementitious model is most widely used.These synthetic cores are mainly to lay particular emphasis on the performance evaluation of carrying out oil displacement test and chemical assistant product.And still do not have for the synthetic core patent of invention of simulated formation rock drillability aspect.
Correct understanding rock drillability, to how choosing, designing drill bit, improves rate of penetration significant.Rock drillability shop experiment petroleum industry standard SY/T5426-2000 is micro drill method, holes on rock sample with micro drill, determines rock drillability level value by reality while boring.The method test rock drillability need to be used a large amount of core samples, and for not carrying out the block that coring operation or rock core information are of great rarity, the application of this method will be subject to certain restrictions.Therefore, if can indoorly prepare the synthetic core that drillability level value is close with natural core, the analyst coverage such as rock drillability and indoor full gauge bit simulated experiment will increase greatly so, and experimental cost also significantly reduces.
Three, summary of the invention:
The object of this invention is to provide a kind of synthetic core preparation method for rock drillability test, it is for solving the problem that drilling and coring delivery size is little, quantity is few, expense is high.
The technical solution adopted for the present invention to solve the technical problems is: this synthetic core preparation method for rock drillability test:
One, the preparation of cementing matter and mineral:
The drillability level value of preparing rock core is 1 ~ 3 o'clock, filters out 1 part of evengranular clay, adds 0.5 part of water, and stirs, and obtains cementing matter; Use talcum, gypsum, kalzit to prepare rock forming mineral, wherein the content of talcum is 50% by weight, the content of gypsum is 45% by weight, the content of kalzit is 5% by weight, described mineral grain of while need to meet by weight: granularity is that 10 ~ 50 object particle proportions are 50%, granularity is that 60 ~ 100 object particle proportions are 40%, and granularity is that 80 ~ 200 object particle proportions are 10%;
The drillability level value of preparing rock core is 4 ~ 6 o'clock, take respectively by weight 0.8 ~ 1.2 part of epoxy resin, 0.1 ~ 0.5 part of dibutyl phthalate, 0.05 ~ 0.2 part of ethylenediamine, pour into and in beaker, fully stir and add 0.2 ~ 0.6 part, acetone, and again fully stir, wait for 4 ~ 6 hours, obtain cementing matter; Use fluorite, apatite, feldspar to prepare rock forming mineral, wherein the content of fluorite, apatite, feldspar is by weight: 30% fluorite, 55% apatite, 15% feldspar, described mineral grain of while need to meet by weight: granularity is that 10 ~ 50 object particle proportions are 25%, granularity is that 60 ~ 100 object particle proportions are 50%, and granularity is that 80 ~ 200 object particle proportions are 25%;
The drillability level value of preparing rock core is 7 ~ 10 o'clock, take 0.1 ~ 0.5 part of 0.8 ~ 1.2 part of epoxy resin, dibutyl phthalate, 0.05 ~ 0.2 part of the ethylenediamine of organic siliconresin and the composite modified rear preparation of polyvinyl butyral, pour into and in beaker, fully stir and add 0.2 ~ 0.6 part, acetone, and again fully stir, wait for 4 ~ 6 hours, obtain cementing matter; Use quartz, topaz, feldspar to prepare rock forming mineral, wherein the content of quartz, topaz, feldspar is by weight: 55% quartz, 30% feldspar, 15% topaz, described mineral grain of while need to meet by weight: granularity is that 10 ~ 50 object particle proportions are 25%, granularity is that 60 ~ 100 object particle proportions are 50%, and granularity is that 80 ~ 200 object particle proportions are 25%;
Take by weight 8.5 ~ 9 parts of the perfect rock forming mineral combinations of the above-mentioned outfit of corresponding drillability level value, 0.5 ~ 1.5 part of cementing matter, is placed in container, then adds the water of 0.05 part and stir;
Two, the preparation of model: mould is made up of side plate, end plate, base plate and pressing plate, base plate and pressing plate are hardwood, all the other are carbon steel; Before the potpourri of rock forming mineral and cementing matter packs mould into, mould inner side is cleaned so that the demoulding evenly packs the potpourri of rock forming mineral and cementing matter in mould with acetone, with pressing plate by its compacting;
Three, obtain synthetic core through pressurization and heat treated: the mould of having loaded is placed on pressure testing machine, adjusts die location, it is remained on pressing machine bearing plate center line, then slowly boost to 10 ~ 80 atmospheric pressure, voltage stabilizing 20 minutes, release; Rock core after compacting is put into baking oven, and under 90 DEG C of conditions, constant temperature solidifies for 6 ~ 8 hours, closes baking oven power supply, naturally cools to room temperature, obtains having the synthetic core of certain drillability level value.
Synthetic core provided by the invention is pressed certain weight proportion by cementing matter and one or more rock forming minerals, under uniform temperature and pressure, suppresses and forms.Wherein cementing matter mainly comprises the epoxy resin of clay, epoxy resin, dibutyl phthalate, ethylenediamine, acetone, use organic siliconresin and the composite modified rear preparation of polyvinyl butyral etc.Rock forming mineral is talcum, gypsum, kalzit, fluorite, apatite, feldspar, quartz, topaz, corundum, adamas of different-grain diameter etc.
The rock drillability classification relating in preparation method of the present invention is according to micro drill method in petroleum industry SY/T5426-2000.Micro drill method is divided into 1 ~ 10 when rock drillability is bored by real brill, comprises that rock drillability is the soft formation of 1 ~ 3 o'clock, and drillability level value is the medium ground of 4 ~ 6 o'clock, and drillability level value is the hard formation of 7 ~ 10 o'clock.
Beneficial effect:
(1) rock core that prepared by the present invention and natural core have good similarity aspect physico-mechanical properties, by adjusting content, proportioning, the granularity of mineral composition, cementing matter content and pressing pressure etc., can prepare the synthetic core with different drillability level values;
(2), for coring difficulty or need the experiment of a large amount of rock cores, for cost-saving, can apply and be worth close synthetic core with natural core drillability level and test;
(3) because natural core volume is little, cannot realize on the ground full gauge bit and creep into experiment, can make large-sized synthetic core and test;
(4) the starting material source of making rock core is wide, price is low, and rock core has good repeatability and can produce in batches, and therefore the expense of monolithic rock core is more much lower than natural core.
Four, embodiment:
Embodiment 1:
One, the synthetic core that preparation drillability level value is 2, filters out 1 part of evengranular clay, adds 0.2 part of water, and stirs, and obtains cementing matter; Use talcum, gypsum, kalzit to prepare rock forming mineral, wherein the content of talcum is 50% by weight, the content of gypsum is 45% by weight, the content of kalzit is 5% by weight, described mineral grain of while need to meet by weight:: granularity is that 10 ~ 50 object particle proportions are 50%, granularity is that 60 ~ 100 object particle proportions are 40%, and granularity is that 80 ~ 200 object particle proportions are 10%.
Take by weight 8.5 parts of the perfect rock forming mineral of corresponding above-mentioned outfit combinations, 0.5 part of cementing matter, is placed in container, then adds the water of 0.05 part and stir.
Two, the preparation of model: mould is made up of side plate, end plate, base plate and pressing plate, base plate and pressing plate are hardwood, all the other are carbon steel; Before the potpourri of rock forming mineral and cementing matter packs mould into, mould inner side is cleaned so that the demoulding evenly packs the potpourri of rock forming mineral and cementing matter in mould with acetone, with pressing plate by its compacting.
Three, obtain synthetic core through pressurization and heat treated: the mould of having loaded is placed on pressure testing machine, adjusts die location, it is remained on pressing machine bearing plate center line, then slowly boost to 10 ~ 80 atmospheric pressure, voltage stabilizing 20 minutes, release; Rock core after compacting is put into baking oven, and under 90 DEG C of conditions, constant temperature solidifies for 6 ~ 8 hours, closes baking oven power supply, naturally cools to room temperature, obtains the synthetic core that drillability level value is 2.
Embodiment 2:
The synthetic core that preparation drillability level value is 5.The fluorite of screening 30%, 55% apatite and 15% spectra particle, making granularity is that 10 ~ 50 orders, 60 ~ 100 orders and 80 ~ 200 object particle proportions are respectively 25%, 50% and 25% by weight, three kinds of mineral are mixed, take by weight 8 parts of mixed mineral particles; Take respectively by weight 1 part of epoxy resin, 0.4 part of dibutyl phthalate, 0.15 part of ethylenediamine, pour into and in beaker, fully stir and add 0.4 part, acetone, and again fully stir, wait for 4 ~ 6 hours, obtain cementing matter; Then take 1.5 parts of cementing matters, add in mixed mineral particle, and add 0.05 part of water, stir; Mould inner side is cleaned so that the demoulding will be answered film mineral and evenly be packed in mould with acetone, with pressing plate by sand compacting; The mould of having loaded is placed on pressure testing machine, adjusts die location, it is remained on pressing machine bearing plate center line, then slowly boost to 14 atmospheric pressure, voltage stabilizing 20 minutes, release.Rock core after compacting is put into baking oven, and under 90 DEG C of conditions, constant temperature solidifies for 6 hours, closes baking oven power supply, naturally cools to room temperature, obtains having the synthetic core of certain drillability; This synthetic core is placed on rock drillability tester, adopts tooth-wheel bit pattern, the pressure of the drill is made as 889.66N, and rotating speed is made as 55rpm, measures and creeps into the time that 2.4mm uses, and in triplicate, asks for mean value while boring
t, application of formula
, obtain drillability level value and be about 5.
Embodiment 3:
The synthetic core that preparation drillability level value is 7.The feldspar of screening 30%, 55% quartz and 15% topac mine composition granule, making granularity is that 10 ~ 50 orders, 60 ~ 100 orders and 80 ~ 200 object particle proportions are respectively 25%, 50% and 25% by weight, three kinds of mineral are mixed, take by weight 8 parts of mixed mineral particles; Take respectively by weight 0.3 part of 1 part of epoxy resin, dibutyl phthalate, 0.15 part of ethylenediamine with organic siliconresin and the composite modified rear preparation of polyvinyl butyral, pour into and in beaker, fully stir and add 0.5 part, acetone, and again fully stir, wait for 5 hours, obtain cementing matter; Then take 1 part of cementing matter, add in mixed mineral particle, and add 0.05 part of water, stir; Mould inner side is cleaned so that the demoulding will be answered film mineral and evenly be packed in mould with acetone, with pressing plate by sand compacting; The mould of having loaded is placed on pressure testing machine, adjusts die location, it is remained on pressing machine bearing plate center line, then slowly boost to 40 atmospheric pressure, voltage stabilizing 20 minutes, release.Rock core after compacting is put into baking oven, and under 90 DEG C of conditions, constant temperature solidifies for 7 hours, closes baking oven power supply, naturally cools to room temperature, obtains having the synthetic core of certain drillability; This rock core is placed on rock drillability tester, adopts tooth-wheel bit pattern, the pressure of the drill is made as 889.66N, and rotating speed is made as 55rpm, measures and creeps into the time that 2.4mm uses, and in triplicate, asks for mean value while boring
t, application of formula
, obtain drillability level value and be about 7.
Claims (1)
1. for a synthetic core preparation method for rock drillability test, it is characterized in that: this synthetic core preparation method for rock drillability test:
One, the preparation of cementing matter and mineral:
The drillability level value of preparing rock core is 1 ~ 3 o'clock, filters out 1 part of evengranular clay, adds 0.2 part of water, and stirs, and obtains cementing matter; Use talcum, gypsum, kalzit to prepare rock forming mineral, wherein the content of talcum is 50% by weight, the content of gypsum is 45% by weight, the content of kalzit is 5% by weight, described mineral grain of while need to meet by weight: granularity is that 10 ~ 50 object particle proportions are 50%, granularity is that 60 ~ 100 object particle proportions are 40%, and granularity is that 80 ~ 200 object particle proportions are 10%;
The drillability level value of preparing rock core is 4 ~ 6 o'clock, take respectively by weight 0.8 ~ 1.2 part of epoxy resin, 0.1 ~ 0.5 part of dibutyl phthalate, 0.05 ~ 0.2 part of ethylenediamine, pour into and in beaker, fully stir and add 0.2 ~ 0.6 part, acetone, and again fully stir, wait for 4 ~ 6 hours, obtain cementing matter; Use fluorite, apatite, feldspar to prepare rock forming mineral, wherein the content of fluorite, apatite, feldspar is by weight: 30% fluorite, 55% apatite, 15% feldspar, described mineral grain of while need to meet by weight: granularity is that 10 ~ 50 object particle proportions are 25%, granularity is that 60 ~ 100 object particle proportions are 50%, and granularity is that 80 ~ 200 object particle proportions are 25%;
The drillability level value of preparing rock core is 7 ~ 10 o'clock, take 0.1 ~ 0.5 part of 0.8 ~ 1.2 part of epoxy resin, dibutyl phthalate, 0.05 ~ 0.2 part of the ethylenediamine of organic siliconresin and the composite modified rear preparation of polyvinyl butyral, pour into and in beaker, fully stir and add 0.2 ~ 0.6 part, acetone, and again fully stir, wait for 4 ~ 6 hours, obtain cementing matter; Use quartz, topaz, feldspar to prepare rock forming mineral, wherein the content of quartz, topaz, feldspar is by weight: 55% quartz, 30% feldspar, 15% topaz, described mineral grain of while need to meet by weight: granularity is that 10 ~ 50 object particle proportions are 25%, granularity is that 60 ~ 100 object particle proportions are 50%, and granularity is that 80 ~ 200 object particle proportions are 25%;
Take by weight 8.5 ~ 9 parts of the perfect rock forming mineral combinations of the above-mentioned outfit of corresponding drillability level value, 0.5 ~ 1.5 part of cementing matter, is placed in container, then adds the water of 0.05 part and stir;
Two, the preparation of model: mould is made up of side plate, end plate, base plate and pressing plate, base plate and pressing plate are hardwood, all the other are carbon steel; Before the potpourri of rock forming mineral and cementing matter packs mould into, mould inner side is cleaned so that the demoulding evenly packs the potpourri of rock forming mineral and cementing matter in mould with acetone, with pressing plate by its compacting;
Three, obtain synthetic core through pressurization and heat treated: the mould of having loaded is placed on pressure testing machine, adjusts die location, it is remained on pressing machine bearing plate center line, then slowly boost to 10 ~ 80 atmospheric pressure, voltage stabilizing 20 minutes, release; Rock core after compacting is put into baking oven, and under 90 DEG C of conditions, constant temperature solidifies for 6 ~ 8 hours, closes baking oven power supply, naturally cools to room temperature, obtains having the synthetic core of certain drillability level value.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104390825A (en) * | 2014-11-20 | 2015-03-04 | 中国石油大学(北京) | Artificial core containing controllable and movable fluid, and manufacturing method of artificial core |
| CN104458383A (en) * | 2014-12-19 | 2015-03-25 | 西南石油大学 | Method for making artificial rock core |
| CN105571917A (en) * | 2015-12-28 | 2016-05-11 | 东北石油大学 | Lengthened artificial rock core, and preparation method and preparation device thereof |
| CN105865868A (en) * | 2016-04-01 | 2016-08-17 | 四川大学 | Artificial preparation method for rock sample with structural surface in different directions |
| CN105973660A (en) * | 2016-04-26 | 2016-09-28 | 中国石油化工股份有限公司 | Method for preparing artificial rock core and artificial rock core prepared by method |
| CN106908292A (en) * | 2017-02-28 | 2017-06-30 | 中国石油化工股份有限公司 | A kind of mud shale artificial core preparation method and application |
| CN108801722A (en) * | 2017-05-03 | 2018-11-13 | 中国石油化工股份有限公司 | The preparation method of shale oil reservoir core model between a kind of salt |
| CN110320122A (en) * | 2019-06-12 | 2019-10-11 | 华北水利水电大学 | The accurate detection method of rock forming mineral degree of abrasion |
| CN113006779A (en) * | 2021-03-03 | 2021-06-22 | 中国石油大学(北京) | Evaluation method and correction method for drillability level value of conglomerate stratum rock |
| CN113532990A (en) * | 2021-07-15 | 2021-10-22 | 西南石油大学 | Preparation method of compact sandstone reservoir oil displacement core with argillaceous interlayer |
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| CN104390825A (en) * | 2014-11-20 | 2015-03-04 | 中国石油大学(北京) | Artificial core containing controllable and movable fluid, and manufacturing method of artificial core |
| CN104458383A (en) * | 2014-12-19 | 2015-03-25 | 西南石油大学 | Method for making artificial rock core |
| CN105571917A (en) * | 2015-12-28 | 2016-05-11 | 东北石油大学 | Lengthened artificial rock core, and preparation method and preparation device thereof |
| CN105865868B (en) * | 2016-04-01 | 2018-05-15 | 四川大学 | The artificially preparation method of the rock sample of structural plane containing different directions |
| CN105865868A (en) * | 2016-04-01 | 2016-08-17 | 四川大学 | Artificial preparation method for rock sample with structural surface in different directions |
| CN105973660A (en) * | 2016-04-26 | 2016-09-28 | 中国石油化工股份有限公司 | Method for preparing artificial rock core and artificial rock core prepared by method |
| CN106908292A (en) * | 2017-02-28 | 2017-06-30 | 中国石油化工股份有限公司 | A kind of mud shale artificial core preparation method and application |
| CN108801722A (en) * | 2017-05-03 | 2018-11-13 | 中国石油化工股份有限公司 | The preparation method of shale oil reservoir core model between a kind of salt |
| CN108801722B (en) * | 2017-05-03 | 2021-05-25 | 中国石油化工股份有限公司 | Preparation method of rock core model of salt shale oil reservoir |
| CN110320122A (en) * | 2019-06-12 | 2019-10-11 | 华北水利水电大学 | The accurate detection method of rock forming mineral degree of abrasion |
| CN113006779A (en) * | 2021-03-03 | 2021-06-22 | 中国石油大学(北京) | Evaluation method and correction method for drillability level value of conglomerate stratum rock |
| CN113532990A (en) * | 2021-07-15 | 2021-10-22 | 西南石油大学 | Preparation method of compact sandstone reservoir oil displacement core with argillaceous interlayer |
| CN113532990B (en) * | 2021-07-15 | 2023-11-14 | 西南石油大学 | Preparation method of compact sandstone oil displacement core with argillaceous interlayer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103868772B (en) | 2016-04-13 |
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