CN203249640U - Oil well cementing structure simulation device and ultrasonic transducer detection device for oil well - Google Patents
Oil well cementing structure simulation device and ultrasonic transducer detection device for oil well Download PDFInfo
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- CN203249640U CN203249640U CN 201320220545 CN201320220545U CN203249640U CN 203249640 U CN203249640 U CN 203249640U CN 201320220545 CN201320220545 CN 201320220545 CN 201320220545 U CN201320220545 U CN 201320220545U CN 203249640 U CN203249640 U CN 203249640U
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- oil well
- ultrasonic transducer
- simulation device
- sleeve pipe
- well cementing
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Abstract
The utility model discloses an oil well cementing structure simulation device and an ultrasonic transducer detection device for an oil well. The oil well cementing structure simulation device comprises a cement column which is embedded with a casing. One end of the casing extending into a cement column deeply is a sealed end. The body of the casing is provided with a pipe hole which is communicated with the cement column. The pipe hole extends into the cement column. Another purpose of the utility model is to provide an ultrasonic transducer detection device for an oil well. The ultrasonic transducer detection device comprises the above oil well cementing structure simulation device, a lower flange plate which is fixedly connected with the casing and an upper flange plate used for fixing an ultrasonic transducer. The upper flange plate is movably connected with the lower flange plate. The oil well cementing structure simulation device and the ultrasonic transducer detection device have a simple structure, an oil well underground formation, and the fracture-making effect of the oil well underground formation by the ultrasonic transducer is tested.
Description
Technical field
The utility model relates to the oil-field development technical field, is specifically related to oil well cementing structural simulation device and oil well ultrasonic transducer pick-up unit.
Background technology
Low-permeability oil deposit distributes very wide at home and abroad, occupy very large stock number and reserves, and China has also all found the hyposmosis Sandstone Gas Reservoir oil reservoir that scale does not wait in different places, along with improving constantly of China's oil-gas exploration and development degree, this low-permeability oil deposit will become the Main Resources that produces in China's oil gas increasing the storage, under this background, various oil recoveries increase the innage science and technology and just highlight, and have also just produced under this background and high-power ultrasonics increases oil tech.
For realizing that performance and the action effect of ultrasonic transducer under the oil well are detected, be badly in need of the pick-up unit of wanting a kind of oil well well cementation structural simulation device and being used in conjunction with described analogue means.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of can simulate the oil well sub-surface, is used for the test ultrasonic transducer is made the seam effect to the oil well sub-surface oil well cementing structural simulation device and oil well ultrasonic transducer pick-up unit.
To achieve these goals, the technical solution of the utility model is as follows:
Oil well cementing structural simulation device comprises concrete column, and cover is embedded with sleeve pipe on the described concrete column, and it is sealed end that described sleeve pipe gos deep into concrete column one end, is provided with the pore that communicates with concrete column on the body of described sleeve pipe, and described pore extends to concrete column is inner.
Further improvement of the utility model comprises:
The upper end of described sleeve pipe is fixedly connected with lower flange.
Described sleeve pipe is weldless steel tube.
The internal diameter of above-mentioned weldless steel tube is 125mm-130mm, and the thickness of weldless steel tube is 6mm-7mm.
4-11 pore arranged on the described sleeve pipe, and pore diameter is 12mm, and there is 4-11 elongated hole described concrete column inside, and the elongated hole position is corresponding with pore hole on the sleeve pipe, elongated hole diameter 12mm, and the degree of depth is 80-100mm.
Described concrete column is that the concrete of sulfate resistance D grade label is obtained.
The height of described concrete column is 600mm-700mm, and diameter is 1000mm-1200mm.
Another purpose of the present utility model is to provide a kind of oil well ultrasonic transducer pick-up unit, comprise above-mentioned oil well cementing structural simulation device, the lower flange that is fixedly connected with described sleeve pipe and the upper flange plate that is used for the mounting ultrasonic transducer, described upper flange plate and lower flange are flexibly connected.
Described lower flange thickness is 35 ± 0.5mm, and described upper flange plate thickness is 40 ± 0.5mm.
The utility model is simple in structure, and effectively the oil well sub-surface after the well cementation at the bottom of the simulation well is tested ultrasonic transducer the oil well sub-surface is made the seam effect.
Description of drawings
Fig. 1 is the utility model example structure schematic diagram.
Among the figure, 1, ultrasound wave ground wire cable; 2, ultrasound wave heart yearn cable; 3, upper flange plate; 4, lower flange; 5, ultrasonic transducer; 6, elongated hole; 7, concrete column; 8, clear water; 9, the earth; 10, sleeve pipe.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in Figure 1, oil well ultrasonic transducer pick-up unit, the diameter of device are 1000mm-1200mm, highly are 700mm-800mm, and the bottom of device and side all are coated with concrete (sulfate resistance D grade), down-hole formation after the simulation well cementation.Device is for circular, makes energy that ultrasonic transducer sends in an identical week of radius, and the energy effect is identical.
The central authorities of device are provided with sleeve pipe 10, are used for the oil well running casing of simulation; Sleeve pipe 10 is weldless steel tube, and the internal diameter of this weldless steel tube is 125mm-130mm, and the thickness of weldless steel tube is 6mm-7mm, and the height of weldless steel tube is 600mm-700mm.The welded sealing in sleeve pipe 10 lower ends.It is the aperture 6 of 12mm that diameter is arranged on the sleeve pipe, and extends to concrete column, for the state behind the analog casing perforation.
The upper end of sleeve pipe 10 is welded with lower flange, and 8 screw sockets are arranged on the lower flange 4, is used for sealing.On sleeve pipe apart from lower flange 80mm, lower is 1000mm-1200mm apart from sleeve bottom 200mm place parcel diameter, highly is the concrete column 7 of 600-700mm, is used for the rock texture in simulation cementing concrete ring and shaft bottom, reach with downhole environment and conform to, strengthen the accuracy of its test figure.Concrete column is for adopting the made concrete column of concrete of sulfate resistance D grade label.Concrete column directly contacts with the earth 9.
Be placed with ultrasonic transducer 5 in the sleeve pipe, the upper end of ultrasonic transducer 5 and upper flange plate 3 are welded to connect, and lower flange thickness is 35 ± 0.5mm, and upper flange plate thickness is 40 ± 0.5mm, and between lower flange and the upper flange plate after fastening, the withstand voltage 15MPa that is not less than.Be welded with ultrasonic transducer on the upper flange plate, put into sleeve pipe with the convenience for ultrasonic wave transducer after, ultrasound wave heart yearn cable 2 can be connected fast with ultrasonic transducer 5.
Operating process of the present utility model is as follows:
1, at first, inject the clear water 8 of 3/4 volume in the sleeve pipe 10, after ultrasonic transducer 5 is put into sleeve pipe, have a small amount of water to overflow.
2, then at the sealing surface of upper flange plate 3, lower flange 4 coating butter, and place the O-ring seal that is complementary with ring flange at sealing surface, the ultrasonic transducer 5 that then will be connected with ring flange is put into sleeve pipe 10, upper and lower ring flange is fixed sealing, ultrasound wave heart yearn cable 2 is connected with ultrasonic transducer 5, and ultrasound wave ground wire cable 1 is connected with the ultrasound wave earth terminal.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. oil well cementing structural simulation device is characterized in that, comprises concrete column, cover is embedded with sleeve pipe on the described concrete column, it is sealed end that described sleeve pipe gos deep into concrete column one end, is provided with the pore that communicates with concrete column on the body of described sleeve pipe, and described pore extends to concrete column is inner.
2. oil well cementing structural simulation device according to claim 1 is characterized in that, the upper end of described sleeve pipe is fixedly connected with lower flange.
3. oil well cementing structural simulation device according to claim 1 is characterized in that, described sleeve pipe is weldless steel tube.
4. oil well cementing structural simulation device according to claim 3 is characterized in that, the internal diameter of described weldless steel tube is 125mm-130mm, and the thickness of weldless steel tube is 6mm-7mm.
5. oil well cementing structural simulation device according to claim 1, it is characterized in that, 4-11 pore arranged on the described sleeve pipe, pore diameter is 12mm, there is 4-11 elongated hole described concrete column inside, the elongated hole position is corresponding with pore hole on the sleeve pipe, elongated hole diameter 12mm, and the degree of depth is 80-100mm.
6. oil well cementing structural simulation device according to claim 1 is characterized in that, described concrete column is that the concrete of sulfate resistance D grade label is obtained.
7. oil well cementing structural simulation device according to claim 1 is characterized in that, the height of described concrete column is 600mm-700mm, and diameter is 1000mm-1200mm.
8. oil well ultrasonic transducer pick-up unit, it is characterized in that, comprise oil well cementing structural simulation device as claimed in claim 1, the lower flange that is fixedly connected with described sleeve pipe and the upper flange plate that is used for the mounting ultrasonic transducer, described upper flange plate and lower flange are flexibly connected.
9. a kind of oil well ultrasonic transducer pick-up unit according to claim 8 is characterized in that, described lower flange thickness is 35 ± 0.5mm, and described upper flange plate thickness is 40 ± 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320220545 CN203249640U (en) | 2013-04-26 | 2013-04-26 | Oil well cementing structure simulation device and ultrasonic transducer detection device for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320220545 CN203249640U (en) | 2013-04-26 | 2013-04-26 | Oil well cementing structure simulation device and ultrasonic transducer detection device for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249640U true CN203249640U (en) | 2013-10-23 |
Family
ID=49376073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320220545 Expired - Lifetime CN203249640U (en) | 2013-04-26 | 2013-04-26 | Oil well cementing structure simulation device and ultrasonic transducer detection device for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948165A (en) * | 2015-06-29 | 2015-09-30 | 中国石油天然气集团公司 | Acoustic logging stimulation experiment system, energy converter positioning device and combined equipment |
-
2013
- 2013-04-26 CN CN 201320220545 patent/CN203249640U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948165A (en) * | 2015-06-29 | 2015-09-30 | 中国石油天然气集团公司 | Acoustic logging stimulation experiment system, energy converter positioning device and combined equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |
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| CX01 | Expiry of patent term |