CN203808951U - Detachable and recyclable two-dimensional visualizable flat sand-packing model - Google Patents
Detachable and recyclable two-dimensional visualizable flat sand-packing model Download PDFInfo
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- CN203808951U CN203808951U CN201420179695.XU CN201420179695U CN203808951U CN 203808951 U CN203808951 U CN 203808951U CN 201420179695 U CN201420179695 U CN 201420179695U CN 203808951 U CN203808951 U CN 203808951U
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- wellbore hole
- sand
- stereotyped
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Abstract
The utility model relates to a detachable and recyclable two-dimensional visualizable flat sand-packing model which comprises a model body and wellbore hole simulators. The model body is of a rectangular cavity structure formed by organic glass, and an opening is formed in the upper end of the rectangular cavity structure. The two wellbore hole simulators are arranged on the two sides of the inner portion of a rectangular cavity in parallel, the wellbore hole simulators are of a tubular structure, and slots or holes are formed in the side faces of the wellbore hole simulators. A sand-packing layer is arranged in the rectangular cavity structure and is composed of quartz sand, a sealing layer is arranged on the upper portion of the sand-packing layer, and the sealing layer is composed of polytetrafluoroethylene sealing tape and sealant. According to the detachable and recyclable two-dimensional visualizable flat sand-packing model, the model body, the sand-packing layer, the sealing layer and the wellbore hole simulators are all independent structures and are detachable, mounting and cleaning are convenient to carry out, and using is more flexible. The model body is made of the organic glass which is good in machinability and high in mechanical strength, and the defects that a traditional unorganic glass model is not prone to being machined and easy to damage.
Description
Technical field
The utility model relates to the dull and stereotyped sandpack column of a kind of two-dimensional visualization detachably recycling, and belongs to oil-gas field development modelling technique field.
Background technology
At present, in research, for simulating the physical model of displacement process, evaluating operation measure effect, mainly contain in oilfield exploitation procedure: 1. natural core, artificial core and to its secondary operations after selectively portray the flat plate model in macropore or seam, hole.Advantage: cost is low, mechanical strength is high, pressure-bearing heatproof; Shortcoming: simulation displacement process is not visible, can not carry out graphical analysis, can not accurately judge the problem in experiment.2. glass plate model, adopts fixedly burning into sand mode of the fixed or bolt of adhesive material more.Advantage: displacement process is visual, can carry out realtime graphic processing; Shortcoming: consolidated model is made complicated, high to the requirement of making experience, model is difficult to clean, and recycle weak effect, and bolt fixed model sealing is difficult to ensure card.3. microscopic simulation etching model, adopts light, chemical etching technology on glass plate, to engrave the hole grid being copied by core wafer and be made.Advantage: displacement process is visual, can carry out image processing, reusable; Shortcoming: size is little, cost is high, does not possess true core particle surface.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of two-dimensional visualization detachably recycling dull and stereotyped sandpack column.
The technical solution of the utility model is as follows:
The dull and stereotyped sandpack column of two-dimensional visualization detachably recycling, this model comprises model main body and simulation wellbore hole, described model main body is the rectangular cavities structure consisting of organic glass, the upper end open of described rectangular cavities structure; The number of described simulation wellbore hole is two and is set in parallel in the inner both sides of rectangular cavities of model main body, and described simulation wellbore hole is that tubular structure and side are provided with and crack or perforate; In described rectangular cavities structure, be provided with back-up sand layer, the height of back-up sand layer is the 15/18-17/18 of rectangular cavities height, and described back-up sand layer is comprised of at 20-100 object quartz sand particle diameter; The top of described back-up sand layer is provided with sealant, and described sealant is comprised of polytetrafluoroethylraw raw material band and fluid sealant.
According to the utility model, preferred, the long 160mm of the rectangular cavities structure of described model main body, high 180mm, thick 2mm.
According to the utility model, preferred, the external diameter 1.8mm of described simulation wellbore hole, internal diameter 1.5mm, high 180mm.
According to the utility model, preferred, the pitch of holes of described simulation wellbore hole is 3-6mm, and bore dia is 0.3-0.8mm.
According to the utility model, preferred, the width that cracks of described simulation wellbore hole is 0.2-0.5mm.
According to the utility model, preferred, the thickness 0.08mm of described polytetrafluoroethylraw raw material band, width 17mm.
The beneficial effects of the utility model:
1, model main body of the present utility model, back-up sand layer, sealant and simulation wellbore hole are separate structure, detachable, and convenient installation and cleaning, is used more flexible.
2, model main body of the present utility model adopts processability organic glass good, that mechanical strength is high to make, and has avoided traditional unorganic glass model to be difficult for the shortcoming of processing, cracky.
3, the utility model is provided with the simulation wellbore hole structure of lateral opening hole, replaces traditional modes such as boring, cutting on glass plate, and simulation wellbore hole structure is as absolute construction, for convenience detach.
4, the utility model is provided with back-up sand layer, and need not be cementing, and manufacturing process is simple, convenient.
5, the utility model is provided with sealant, good seal performance.
Accompanying drawing explanation
Fig. 1 is the agent structure schematic diagram of the dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles of the utility model embodiment 1.
Fig. 2 is the agent structure schematic diagram of the dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles of the utility model embodiment 2.
In figure, 1, model main body, 2, back-up sand layer, 3, sealant, 4, simulation wellbore hole, 5, crack, 6, hole.
The specific embodiment
Below by specific embodiment, the present invention will be further described, but be not limited to this.
In embodiment, material used is conventional commercial material.Wherein: organic glass is acrylic organic glass, it is on sale that acrylic organic glass products is raised in Hao Yuan capital, Beijing; Quartz sand is purity quartzite (glass sand), and the Fengyang County quartz sand factory of rising is on sale; Polytetrafluoroethylraw raw material band, the Yong Gong of Yangzhong City, Jiangsu Province seal Co., Ltd is on sale; Fluid sealant is OCI fluid sealant, and Guangzhou Qi Gao Chemical Industry Science Co., Ltd is on sale.
Embodiment 1
The dull and stereotyped sandpack column of two-dimensional visualization detachably recycling, this model comprises model main body 1 and simulation wellbore hole 4, described model main body 1 is the rectangular cavities structure consisting of organic glass, the upper end open of described rectangular cavities structure; The number of described simulation wellbore hole 4 is two and is set in parallel in the inner both sides of rectangular cavities of model main body 1, and described simulation wellbore hole 4 cracks 5 for tubular structure and side are provided with; In described rectangular cavities structure, be provided with back-up sand layer 2, the height of back-up sand layer 2 is 17/18 of rectangular cavities height, and described back-up sand layer 2 is comprised of at 20-100 object quartz sand particle diameter; The top of described back-up sand layer 2 is provided with sealant 3, and described sealant 3 is comprised of polytetrafluoroethylraw raw material band and fluid sealant.
The long 160mm of the rectangular cavities structure described in the present embodiment, high 180mm, thick 2mm; The external diameter 1.8mm of described simulation wellbore hole, internal diameter 1.5mm, high 180mm; 5 width that crack of described simulation wellbore hole 4 are 0.2mm; The thickness 0.08mm of described polytetrafluoroethylraw raw material band, width 17mm.
Preparation method:
1. model main body
Material: acrylic organic glass;
Specification: two kinds of thickness 8mm and 2mm;
2, the thick acrylic organic glass of size: 8mm, is of a size of 200 * 200mm, as former and later two faces of model main body; 3, the thick acrylic organic glass of 2mm, wherein 2 are of a size of 20 * 200mm, for the sealing of model main body both sides; 1 is of a size of 20 * 160mm, for the sealing of model bottom part body.
Bonding formation rectangular cavities structure between different acrylic organic glass, rectangular cavities physical dimension 160 * 180 * 2mm.
2. simulation wellbore hole
Material: stainless steel capillary;
Specification: external diameter 1.8mm, internal diameter 1.5mm, length 180mm;
Stainless steel capillary simulation wellbore hole can design separately as separate unit.Crack in the side of simulation wellbore hole, simulation barefoot completion.
3. back-up sand layer
Material: exquisite quartz sand;
Specification: particle diameter is at 20-100 order;
From model body openings one side, insert exquisite quartz sand, while adding, rock, guarantee evenly upwards filling of layer of sand; Often pack into after a certain amount of exquisite quartz sand, evenly firmly compacting, until all quartz sand fillings complete.
4. movable sealing layer
Material: polytetrafluoroethylraw raw material band and OCI fluid sealant;
Specification: polytetrafluoroethylraw raw material band thickness 0.08mm, width 17mm.
For avoiding injecting fluid along altering between back-up sand layer and sealant into, uniform spreading one deck polytetrafluoroethylraw raw material band on layer of sand (polytetrafluoroethylraw raw material band is kneaded into loose strip, fills in compacting behind layer of sand top).Then, OCI fluid sealant is firmly clamp-oned in the model body cavity on back-up sand layer top, guaranteed that fluid sealant and model main body fully contact seamless, complete the sealing of whole model.
Using method:
First, the dull and stereotyped sandpack column of the two-dimensional visualization detachably recycling is connected with vacuum extractor, detection model sealing; Then, negative pressure saturation water, computation model degree of porosity; Secondly, the model after saturation water is connected with micro-driving device, low speed oil expelling water, calculates initial oil saturation and irreducible water saturation; Finally, carry out the displacement test under different condition, with camera head and hand magnifier device, carry out real-time data acquisition simultaneously, for involving the experiment of improvement, seepage flow characteristics and the mechanism of action.After experiment finishes, take off sealant, purity quartzite is gone out, adopt benzinum, the cleanser etc. for method that clean conventional glassware to clean model main body, low temperature (<80 ℃) is dried, in order to recycling.
Embodiment 2
The dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles as described in Example 1,5 width that crack of different is described simulation wellbore hole are 0.5mm, length is 16/18.
Embodiment 3
The dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles as described in Example 1, different is described simulation wellbore hole 4 is porose 6 for side arranges, and the pitch of holes of simulation wellbore hole is 6mm, and bore dia is 0.8mm.The hole 6 of simulation wellbore hole 4 is for analogue perforation completion.
Embodiment 4
The dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles as described in Example 3, hole 6 spacing of different is described simulation wellbore hole 4 are 5mm, bore dia is 0.5mm.
Embodiment 5
The dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles as described in Example 1,5 width that crack of different is described simulation wellbore hole 4 are 0.4mm, length is 17/18 of simulation wellbore hole 4 length.
Claims (6)
1. the dull and stereotyped sandpack column of two-dimensional visualization detachably recycling, is characterized in that this model comprises model main body and simulation wellbore hole, and described model main body is the rectangular cavities structure consisting of organic glass, the upper end open of described rectangular cavities structure; The number of described simulation wellbore hole is two and is set in parallel in the inner both sides of rectangular cavities of model main body, and described simulation wellbore hole is that tubular structure and side are provided with and crack or hole; In described rectangular cavities structure, be provided with back-up sand layer, the height of back-up sand layer is the 13/18-17/18 of rectangular cavities height, and described back-up sand layer is comprised of at 20-100 object quartz sand particle diameter; The top of described back-up sand layer is provided with sealant, and described sealant is comprised of polytetrafluoroethylraw raw material band and fluid sealant.
2. the dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles according to claim 1, is characterized in that the long 160mm of the rectangular cavities structure of described model main body, high 180mm, thick 2mm.
3. the dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles according to claim 1, is characterized in that the external diameter 1.8mm of described simulation wellbore hole, internal diameter 1.5mm, high 180mm.
4. the dull and stereotyped sandpack column of the two-dimensional visualization detachably recycling according to claim 1, is characterized in that the pitch of holes of described simulation wellbore hole is 3-6mm, and bore dia is 0.3-0.8mm.
5. the dull and stereotyped sandpack column of the two-dimensional visualization detachably recycling according to claim 1, is characterized in that the width that cracks of described simulation wellbore hole is 0.2-0.5mm.
6. the dull and stereotyped sandpack column of the two-dimensional visualization that detachably recycles according to claim 1, is characterized in that the thickness 0.08mm of described polytetrafluoroethylraw raw material band, width 17mm.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358552A (en) * | 2014-11-12 | 2015-02-18 | 中国石油天然气股份有限公司 | Visualized plane sand packing model for oil displacement experiments |
CN104863556A (en) * | 2015-06-17 | 2015-08-26 | 北京科技大学 | Easily replaced and disassembled intuitive flat rock core modeling device and manufacturing method thereof |
CN105761595A (en) * | 2016-02-25 | 2016-07-13 | 北京科技大学 | Temperature-controlled reusable two-dimensional visualization porous medium sand packed model and method of manufacture |
CN109594960A (en) * | 2019-01-07 | 2019-04-09 | 中国海洋石油集团有限公司 | The visual experimental apparatus and its visualization sandpack column of analog composite foam profile control |
-
2014
- 2014-04-14 CN CN201420179695.XU patent/CN203808951U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358552A (en) * | 2014-11-12 | 2015-02-18 | 中国石油天然气股份有限公司 | Visualized plane sand packing model for oil displacement experiments |
CN104863556A (en) * | 2015-06-17 | 2015-08-26 | 北京科技大学 | Easily replaced and disassembled intuitive flat rock core modeling device and manufacturing method thereof |
CN105761595A (en) * | 2016-02-25 | 2016-07-13 | 北京科技大学 | Temperature-controlled reusable two-dimensional visualization porous medium sand packed model and method of manufacture |
CN109594960A (en) * | 2019-01-07 | 2019-04-09 | 中国海洋石油集团有限公司 | The visual experimental apparatus and its visualization sandpack column of analog composite foam profile control |
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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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20190414 |