CN202837059U - Rock core artificial crack producing device - Google Patents

Rock core artificial crack producing device Download PDF

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Publication number
CN202837059U
CN202837059U CN 201220468487 CN201220468487U CN202837059U CN 202837059 U CN202837059 U CN 202837059U CN 201220468487 CN201220468487 CN 201220468487 CN 201220468487 U CN201220468487 U CN 201220468487U CN 202837059 U CN202837059 U CN 202837059U
Authority
CN
China
Prior art keywords
fixed block
rock core
housing
bolt
workplace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220468487
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Chinese (zh)
Inventor
朱华银
胡勇
李熙喆
陆家亮
万玉金
郭长敏
焦春艳
赵素平
初广震
李洋
黄伟岗
霍瑶
徐艳梅
苏云河
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN 201220468487 priority Critical patent/CN202837059U/en
Application granted granted Critical
Publication of CN202837059U publication Critical patent/CN202837059U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a rock core artificial crack producing device which comprises a casing body (6). Four fixation blocks used for clamping and fixing a rock core are arranged in the casing body (6). One end of a hydraulic device (5) is connected with one of the four fixation blocks. The other end of the hydraulic device (5) is connected with the inner wall of the casing body (6). The hydraulic device (5) pushes the fixation blocks to press the rock core to produce cracks. The rock core artificial crack producing device is simple in structure, convenient to operate and capable of easily producing satisfying crack in the rock core.

Description

A kind of rock core man made seam device
Technical field
The utility model relates to the core analysis technical field in the exploitation of oil-gas field, particularly a kind of device that can carry out to rock core the man made seam.
Background technology
The crack is ubiquity in the hydrocarbon-bearing pool reservoir, is one of main seepage channel of oil, gas, water, also is one of topmost research object in the Reservoir Development.Obtain the Fractured natural core very difficult, the method that generally adopts man made to stitch with the crack rock core of experiment usefulness obtains, such as Lian Peiqing, Cheng Linsong, Liu Lifang " the fractured carbonate rock oil reservoir permeability-ratio curve " in " petroleum journal " 06 interim introduction in 2011, Xu Gang, Li Shijie, still bright, Jia Gang is in " a kind of foundation of fractured reservoir petrophysical simulation method " of University Of Science and Technology Of Shandong's journal natural science edition interim introduction of calendar year 2001 02, all is to adopt the chopper of high rigidity that rock core is rived to form to connect seam.Because rock core has higher hardness and irregular texture, the existing seam method of making wastes time and energy, and is difficult to obtain gratifying rock core crack.
The utility model content
Make the technical matters that seam is wasted time and energy and is difficult to obtain gratifying rock core crack in order to solve rock core in the prior art, the utility model provides a kind of rock core man made seam device, this rock core man made seam device is simple to operation, can obtain easily gratifying crack.
The utility model for the technical scheme that solves its technical matters employing is: a kind of rock core man made seam device, comprise housing, in housing, be provided with for successively at the upper fixed block of up and down four direction clamping rock core, lower fixed block, left fixed block and right fixed block, in housing, also be provided with hydraulic means, one end of hydraulic means is connected with the inwall of housing, and the other end of hydraulic means and upper fixed block, lower fixed block, left fixed block and of being connected in the fixed block are connected.
Upper fixed block, right fixed block, left fixed block and lower fixed block can grip rock core, any one fixed block that hydraulic means promotes in upper fixed block, right fixed block, left fixed block and the lower fixed block pressurizes to rock core, the experimenter can be in the variation of the top view rock core of housing, until obtain satisfied crack.
Preferred hydraulic means is arranged on the bottom, and an end of hydraulic means is connected with the inwall of lower housing portion, and the other end of hydraulic means is connected with lower fixed block.
Preferred right fixed block is connected with housing by the first bolt, the screw rod of the first bolt passes the right side wall of housing, the screw rod of the first bolt is connected with right fixed block, and the head of the first bolt is outside housing, and the thickness of housing right side wall arrives the distance of right fixed block less than the head of the first bolt.
Preferred left fixed block is connected with housing by the second bolt, the screw rod of the second bolt passes the left side wall of housing, the screw rod of the second bolt is connected with left fixed block, and the head of the second bolt is outside housing, and the thickness of housing left side wall arrives the distance of left fixed block less than the head of the second bolt.
The axis of the axis of preferred the first bolt and the second bolt is same straight line.
The workplace of preferred upper fixed block is parallel to the workplace of lower fixed block.
The workplace of preferred right fixed block is parallel to the workplace of left fixed block, and the workplace of upper fixed block is perpendicular to the workplace of right fixed block.
Preferred hydraulic means is hydraulic jack.
Preferred housing is rectangle frame.
The beneficial effects of the utility model are: this rock core man made seam apparatus structure is simple, easy to operate, can make rock core obtain easily gratifying crack.
Description of drawings
Below in conjunction with accompanying drawing rock core man made seam device described in the utility model is described in further detail.
Fig. 1 is the structural representation of rock core man made seam device described in the utility model.
Fixed block on 1. wherein, 2. right fixed block, 3. left fixed block 4. descends fixed block, 5. hydraulic means, 6. housing, 8. rock core, the workplace of fixed block on 11., the workplace of 21. right fixed blocks, 31. the workplace of left fixed block, the workplace of 41. times fixed blocks, 71. first bolts, 72. second bolts.
Embodiment
Embodiment 1
Below in conjunction with accompanying drawing rock core man made seam device described in the utility model is described in detail.A kind of rock core man made seam device, comprise housing 6, in housing 6, be provided with for successively at upper fixed block 1, lower fixed block 4, left fixed block 3 and the right fixed block 2 of up and down four direction clamping rock core, in housing 6, also be provided with hydraulic means 5, one end of hydraulic means 5 is connected with the inwall of housing 6, the other end of hydraulic means 5 and upper fixed block 1, lower fixed block 4, left fixed block 3 and of being connected in the fixed block 2 are connected, as shown in Figure 1.
Upper fixed block 1, right fixed block 2, left fixed block 3 and lower fixed block 4 can grip rock core 8, any one fixed block that hydraulic means 5 promotes in upper fixed block 1, right fixed block 2, left fixed block 3 and the lower fixed block 4 pressurizes to rock core 8, the experimenter can be in the variation of the top view rock core 8 of housing 6, until obtain satisfied crack.
Preferred hydraulic means 5 is arranged on the bottom, and an end of hydraulic means 5 is connected with the inwall of housing 6 bottoms, and the other end of hydraulic means 5 is connected with lower fixed block 4, such as Fig. 1.If when hydraulic means 5 is arranged on the right side, be similar to Fig. 1 and be rotated counterclockwise 90 °, when hydraulic means 5 is arranged on top, is similar to Fig. 1 and is rotated counterclockwise 180 °
Preferred right fixed block 2 is connected with housing 6 by the first bolt 71, the screw rod of the first bolt 71 passes the right side wall of housing 6, the screw rod of the first bolt 71 is connected with right fixed block 2, the head of the first bolt 71 is outside housing 6, and the thickness of housing right side wall arrives the distance of right fixed block 2 less than the head of the first bolt 71.Can move along the axis direction of the first bolt 71 right fixed block 2 by rotating the first bolt 71, thereby change the distance between right fixed block 2 and the left fixed block 3, the advantage of design is the rock core that this rock core man made seam device can the clamping different-diameter like this.
Further preferred left fixed block 3 is connected with housing 6 by the second bolt 72, the screw rod of the second bolt 72 passes the left side wall of housing 6, the screw rod of the second bolt 72 is connected with left fixed block 3, the head of the second bolt 72 is outside housing 6, and the thickness of housing left side wall arrives the distance of left fixed block 3 less than the head of the second bolt 72.Can move along the axis direction of the second bolt 72 left fixed block 3 by rotating the second bolt 72, rock core that so not only can the clamping different-diameter, can also adjust the position of rock core horizontal direction in this rock core man made seam device, make things convenient for the experimenter to select the suitable position of fixed block 1 and lower fixed block 4 surfaces that rock core is exerted pressure.
Relatively rotate between right fixed block 2 and left fixed block 3, the axis of the axis of the first bolt 71 and the second bolt 72 is same straight line.
The lower surface of upper fixed block 1 is and the workplace 11 of the contacted upper fixed block of rock core that the upper surface of lower fixed block 4 is and the workplace 41 of the contacted lower fixed block of rock core that the workplace 11 of upper fixed block is parallel to the workplace 41 of lower fixed block.
The left surface of right fixed block is the workplace 21 with the contacted right fixed block of rock core, the right flank of left fixed block is the workplace 31 with the contacted left fixed block of rock core, the workplace 21 of right fixed block is parallel to the workplace 31 of left fixed block, the workplace 11 of upper fixed block is perpendicular to the workplace 21 of right fixed block, as shown in Figure 1.
In addition, hydraulic means 5 is hydraulic jack, and the maximum pressure that can provide is 4.9 * 10 5N.Upper fixed block 1, right fixed block 2, left fixed block 3, lower fixed block 4 are metal material and make, can be high pressure resistant, and the maximum pressure that can bear is 4.9 * 10 5N.Housing 6 is rectangle frame.
The size of housing 6, upper fixed block 1, right fixed block 2, left fixed block 3 and the lower fixed block 4 of this rock core man made seam device can be decided according to the size of clamping rock core, general rock core is of a size of: diameter is 2.5cm, 3.8cm, 10cm, length 1cm~30cm.
The course of work of rock core man made seam device described in the utility model is as follows:
By rotating the first bolt 71 and the second bolt 72 rock core is fixed on appropriate location in the rock core man made seam device, by the control hydraulic means lower fixed block 4 is moved up rock core 8 is pressurizeed.Observe the variation of rock core 8, until the crack appears in rock core 8, stop pressurization, the control hydraulic means makes lower fixed block 4 return original position, regulates the first bolt 71 and the second bolt 72 and reduces holding force to rock core 8, at last rock core 8 is taken out.
The above; only be specific embodiment of the utility model, can not limit the scope that utility model is implemented with it, so the displacement of its equivalent assemblies; or according to equivalent variations and modification that the utility model scope of patent protection is done, all should still belong to the category that this patent is contained.

Claims (9)

1. a rock core man made stitches device, it is characterized in that: comprise housing (6), in housing (6), be provided with for successively at the upper fixed block (1) of up and down four direction clamping rock core, lower fixed block (4), left fixed block (3) and right fixed block (2), in housing (6), also be provided with hydraulic means (5), one end of hydraulic means (5) is connected with the inwall of housing (6), the other end of hydraulic means (5) and upper fixed block (1), lower fixed block (4), left fixed block (3) and a connection of being connected in the fixed block (2).
2. rock core man made according to claim 1 stitches device, it is characterized in that: hydraulic means (5) is arranged on the bottom, one end of hydraulic means (5) is connected with the inwall of housing (6) bottom, and the other end of hydraulic means (5) is connected with lower fixed block (4).
3. rock core man made according to claim 2 stitches device, it is characterized in that: right fixed block (2) is connected with housing (6) by the first bolt (71), the screw rod of the first bolt (71) passes the right side wall of housing (6), the screw rod of the first bolt (71) is connected with right fixed block (2), the head of the first bolt (71) is outside housing (6), and the thickness of housing right side wall arrives the distance of right fixed block (2) less than the head of the first bolt (71).
4. rock core man made according to claim 3 stitches device, it is characterized in that: left fixed block (3) is connected with housing (6) by the second bolt (72), the screw rod of the second bolt (72) passes the left side wall of housing (6), the screw rod of the second bolt (72) is connected with left fixed block (3), the head of the second bolt (72) is outside housing (6), and the thickness of housing left side wall arrives the distance of left fixed block (3) less than the head of the second bolt (72).
5. rock core man made according to claim 4 stitches device, and it is characterized in that: the axis of the axis of the first bolt (71) and the second bolt (72) is same straight line.
6. rock core man made according to claim 1 stitches device, it is characterized in that: the workplace (11) of upper fixed block is parallel to the workplace (41) of lower fixed block.
7. rock core man made according to claim 6 stitches device, it is characterized in that: the workplace of right fixed block (21) is parallel to the workplace (31) of left fixed block, and the workplace of upper fixed block (11) is perpendicular to the workplace (21) of right fixed block.
8. rock core man made according to claim 1 stitches device, and it is characterized in that: hydraulic means (5) is hydraulic jack.
9. any one described rock core man made seam device according to claim 1~8, it is characterized in that: housing (6) is rectangle frame.
CN 201220468487 2012-09-13 2012-09-13 Rock core artificial crack producing device Expired - Fee Related CN202837059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220468487 CN202837059U (en) 2012-09-13 2012-09-13 Rock core artificial crack producing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220468487 CN202837059U (en) 2012-09-13 2012-09-13 Rock core artificial crack producing device

Publications (1)

Publication Number Publication Date
CN202837059U true CN202837059U (en) 2013-03-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN202837059U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196752A (en) * 2013-04-26 2013-07-10 中国石油化工股份有限公司 Core gap and core rupture stress detection device
CN104236965A (en) * 2013-06-09 2014-12-24 中国石油化工股份有限公司 Core fracture preparation device and method
CN104880348A (en) * 2015-05-16 2015-09-02 东北石油大学 Preparation device and preparation method of structure containing pores and fissures in rock mass
CN104895562A (en) * 2015-05-16 2015-09-09 东北石油大学 Production device and method for simulating horizontal well shaft in transparent core
CN104931307A (en) * 2015-05-16 2015-09-23 东北石油大学 Device and method for preparing transparent core containing pore-fracture and horizontal well section
CN104977195A (en) * 2014-04-09 2015-10-14 中国石油化工股份有限公司 Method of performing stress sensitivity experiment with artificial fractured carbonate rock core
CN105388098A (en) * 2015-12-20 2016-03-09 湖南科技大学 Rock fracture preparation and seepage device and seepage characteristic test method
CN107831057A (en) * 2017-12-08 2018-03-23 中国石油天然气股份有限公司 Man stitches method in a kind of tight sand core chamber
CN111561281A (en) * 2020-05-08 2020-08-21 中国海洋石油集团有限公司 Drilling fluid leak protection leaking stoppage effect evaluation experiment system

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196752A (en) * 2013-04-26 2013-07-10 中国石油化工股份有限公司 Core gap and core rupture stress detection device
CN104236965A (en) * 2013-06-09 2014-12-24 中国石油化工股份有限公司 Core fracture preparation device and method
CN104236965B (en) * 2013-06-09 2016-12-28 中国石油化工股份有限公司 Rock core crack preparation facilities and method
CN104977195B (en) * 2014-04-09 2018-02-09 中国石油化工股份有限公司 The method that stress sensitive experiment is carried out using man-made fracture acid carbonate rock rock core
CN104977195A (en) * 2014-04-09 2015-10-14 中国石油化工股份有限公司 Method of performing stress sensitivity experiment with artificial fractured carbonate rock core
CN104880348A (en) * 2015-05-16 2015-09-02 东北石油大学 Preparation device and preparation method of structure containing pores and fissures in rock mass
CN104895562A (en) * 2015-05-16 2015-09-09 东北石油大学 Production device and method for simulating horizontal well shaft in transparent core
CN104931307A (en) * 2015-05-16 2015-09-23 东北石油大学 Device and method for preparing transparent core containing pore-fracture and horizontal well section
CN104895562B (en) * 2015-05-16 2017-02-22 东北石油大学 Production device and method for simulating horizontal well shaft in transparent core
CN105388098A (en) * 2015-12-20 2016-03-09 湖南科技大学 Rock fracture preparation and seepage device and seepage characteristic test method
CN105388098B (en) * 2015-12-20 2018-01-02 湖南科技大学 A kind of test method produced with seepage apparatus and seepage characteristic of rock fracture
CN107831057A (en) * 2017-12-08 2018-03-23 中国石油天然气股份有限公司 Man stitches method in a kind of tight sand core chamber
CN111561281A (en) * 2020-05-08 2020-08-21 中国海洋石油集团有限公司 Drilling fluid leak protection leaking stoppage effect evaluation experiment system
CN111561281B (en) * 2020-05-08 2022-04-29 中国海洋石油集团有限公司 Drilling fluid leak protection leaking stoppage effect evaluation experiment system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20210913

CF01 Termination of patent right due to non-payment of annual fee