CN202092835U - Pressure testing device - Google Patents
Pressure testing device Download PDFInfo
- Publication number
- CN202092835U CN202092835U CN2011202009267U CN201120200926U CN202092835U CN 202092835 U CN202092835 U CN 202092835U CN 2011202009267 U CN2011202009267 U CN 2011202009267U CN 201120200926 U CN201120200926 U CN 201120200926U CN 202092835 U CN202092835 U CN 202092835U
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- pressure testing
- hollow
- pressure
- joint
- testing device
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the oil testing field, and especially relates to a pressure testing device. The pressure testing device includes a pressure testing tool, and is characterized in that the pressure testing device also includes a solid plug, a hollow seal head, and a nylon packing, wherein one end of the solid plug is connected with an output terminal of the pressure testing device, and the other end is a solid joint; one end of the hollow seal head is connected with an input terminal of the pressure testing device, and the other end is a hollow joint; the middle of the hollow seal head is provided with a liquid-passing hole; one end of the nylon packing can be connected with a hydraulic cylinder, and the other end is a seal face which is cooperatively jointed with the hollow joint; and the nylon packing is provided with an inner hole which is communicated with the liquid-passing hole. In terms of the prior art, a pressure testing machine has difficulty in detecting the sealing effect of the pressure testing tool, and the detection effect is poor, the pressure testing device overcomes the above defects existing in the prior art.
Description
Technical field
The utility model relates to oil formation testing field, particularly a kind of pressure testing device.
Background technology
In oil formation testing operation, subsurface tool is essential device, select dissimilar instruments according to different operating mode needs, in formation testing, pressure break, acidization, the tool types that is adopted is similar, be about length 1m, the pipe fitting of external diameter ∮ 70mm-∮ 150mm, each parts adopts and is threaded.Subsurface tool in the course of the work, generally all to bear the pressure of 20-30MPa and can not lose efficacy, therefore after finishing, the subsurface tool assembling must carry out the hydraulic pressure leakage test, and voltage stabilizing certain hour, in order to detect subsurface tool whether the seepage phenomenon is arranged, guarantee subsurface tool reliability in actual use.
Instrument is carried out applied voltage test, need the use test pressure testing machine, and pressure testing machine directly affects the success or failure of pressure testing to the quality of the sealing effectiveness of institute's pressure test tool, so the sealing effectiveness of packoff and wear life become the important indicator of estimating whole pressure testing machine performance.Not only want the checking tool body whether seepage is arranged to the pressure testing of instrument, also need the screw thread at instrument two ends is carried out leakage test, what existing pressure testing machine adopted is hydraulic clamping device, can't increase whirligig simultaneously, and the bad control of moment of torsion, the tool length difference has also produced bigger influence to the pressure testing process, can't carry out sealing test to the instrument screw thread.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of pressure testing system and pressure-measuring method, to overcome the pressure testing machine that exists in the prior art to the sealing effectiveness detection difficult of institute's pressure test tool, the defective of poor effect.
The technical solution of the utility model is: a kind of pressure testing system, comprise pressure test tool, and it is characterized in that: also comprise solid plug, hollow end socket and nylon packing, wherein, solid plug one end is connected with the pressure test tool output terminal, and the other end is solid joint; Hollow end socket one end is connected with the pressure test tool input end, and the other end is hollow joint, is provided with liquid pass hole in the middle of the hollow end socket; Nylon packing one end can be connected with hydraulic cylinder, the butt joint that matches with described hollow joint of other end seal face, and the nylon packing is provided with the endoporus that communicates with liquid pass hole.
Described diameter of bore is greater than the liquid pass hole diameter, so that in pressurization and the pressure leak process, liquid can pass through fast.
The end that described solid plug is connected with the pressure test tool output terminal is that tubing thread box, the solid joint of the other end are 98 * 85mm, six square joints; The end that hollow end socket is connected with the pressure test tool input end is that tubing thread pin thread, the hollow joint of the other end are 98 * 85mm, six square joints.
Described nylon packing match with hollow joint the butt joint seal face be the conical surface.
Technique effect of the present utility model is:
1, the solid plug that adopts of the utility model and hollow end socket all can be with impact wrench shackles on carrying out fast in the shackle mechanism on the pressure testing machine, and the screw thread of instrument is sealed, and be easy to use.Solid plug is the pin end and the fastening means screw thread of capping tools reliably.Hollow end socket is fastening means box screw thread reliably, and liquid pass hole can transmit hydraulic pressure.
2, end socket of the present utility model design in impact wrench connects end face has the sealing surface that matches with the nylon packing, guarantees the positiver sealing in the pressure testing process.
3, the utility model has designed the nylon packing, by the pressure effect of hydraulic cylinder, can be connected with end socket fast, plays sealing function in the pressure testing process, can be smoothly after pressure testing finishes, throw off fast.The nylon packing can reliably be connected with hydraulic cylinder and can with the end socket positiver sealing, there is through hole the centre and greater than the liquid pass hole on the hollow end socket, can transmits hydraulic pressure.
4, sealing of the present utility model is the linear sealing form that realizes by fluid cylinder pressure by nylon packing and hollow end socket, the nylon packing can not cause damage with the instrument friction, simple in structure, easy to operate rapid, use sealing effectiveness still intact repeatedly, therefore effectively raise the pressure testing efficient of pressure testing system, reduce testing expense.
5, because pressure testing machine fluid cylinder collapsing length is a fixed value, and the tool length difference of pressure testing, for instrument that can pressure testing different length specification on same bench teat press, can realize the pressure testing operation of different length instrument by the length that changes solid plug and hollow end socket.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further:
Fig. 1 is a solid plug structural representation in the utility model;
Fig. 2 is the structural representation of end socket in the utility model;
Fig. 3 is the structural representation of nylon packing in the utility model;
Fig. 4 is the utility model user mode synoptic diagram.
Reference numeral is as follows:
1. solid plug; 2. hollow end socket; 3. nylon packing; 4. pressure test tool; 101. solid joint; 201. hollow joint; 202. liquid pass hole; 301. endoporus.
Embodiment
The utility model relates to packoff, particularly relates to the nylon face seals that is used for pressure testing system.
Referring to Fig. 1 to Fig. 3, a kind of pressure testing system that the utility model relates to comprises pressure test tool 4, also comprises solid plug 1, hollow end socket 2 and nylon packing 3, and wherein, solid plug 1 one ends are connected with pressure test tool 4 output terminals, and the other end is solid joint 101; Hollow end socket 2 one ends are connected with pressure test tool 4 input ends, and the other end is hollow joint 201, are provided with liquid pass hole 202 in the middle of the hollow end socket 2; Nylon packing 3 one ends can be connected with hydraulic cylinder, and the other end is the seal face of the butt joint that can match with the hollow joint 201 on the hollow end socket 2, and nylon packing 3 is provided with the endoporus 301 that can communicate with liquid pass hole 202.
Described endoporus 301 diameters can be greater than liquid pass hole 202 diameters, so that in pressurization and the pressure leak process, liquid can pass through fast.
The end that described solid plug 1 is connected with pressure test tool 4 output terminals is that tubing thread box, the solid joint of the other end are the distance of 98 * 85mm(, six side's diagonal sum opposite side) six square joints; The end that hollow end socket 2 is connected with pressure test tool 4 input ends is that tubing thread pin thread, the hollow joint of the other end are the distance of 98 * 85mm(, six side's diagonal sum opposite side) six square joints.
Described nylon packing 3 match with hollow joint 201 butt joint seal face be the conical surface.
Referring to Fig. 4, the utility model also relates to a kind of pressure-measuring method that utilizes above-mentioned pressure testing system, comprises following steps:
1] respectively solid plug 1 and hollow end socket 2 are installed on the pressure test tool 4, solid plug 1 is installed on the male thread of pressure test tool 4, and hollow end socket 2 is installed on the box thread of pressure test tool 4;
2] nylon packing 3 one ends are connected with hydraulic cylinder, the hollow joint 201 on the other end and the hollow end socket 2 holds out against;
3] endoporus 301 from nylon packing 3 injects highly pressurised liquid in pressure test tool 4, thereby pressure test tool 4 is carried out applied voltage test;
4] after the end of test (EOT), hydraulic cylinder drives nylon packing 3 and returns, separate with hollow end socket 2, and from the pressure test tool 4 removal solid plug 1 and hollow end socket 3, finish work pressure test.
In the concrete operation 1, step 1] in, can solid plug 1 be installed on the male thread of pressure test tool 4 with impact wrench on the deduction structure on the pressure testing machine, hollow end socket 2 is installed on the box thread of pressure test tool 4; Step 4] in, can in the shackle mechanism of pressure testing machine with impact wrench with solid plug 1 and hollow end socket 3 removal from the pressure test tool 4.
For the ease of transmitting step 2] in, the pressure test tool 4 that available conveyer will be equipped with solid plug 1 and hollow end socket 3 is transported to prepares to hold out against operation on the pressure testing stand; Step 4] in, the pressure test tool 4 that available conveyer will be equipped with solid plug 1 and hollow end socket 3 is transported to removal in the shackle mechanism from the pressure testing stand.
If the connection of thread of solid plug 1 and hollow end socket 2 and pressure test tool 4 can the positiver sealing ne-leakage in the pressure testing process, and is qualified with regard to the thread seal performance of decidable instrument.By such pressure testing mode, promptly instrument itself has been carried out the pressure testing detection, also instrument two ends screw thread has been carried out the pressure testing detection, can satisfy the on-the-spot needs that use.
Claims (4)
1. pressure testing device, comprise pressure test tool (4), it is characterized in that: also comprise solid plug (1), hollow end socket (2) and nylon packing (3), wherein, solid plug (1) one end is connected with pressure test tool (4) output terminal, and the other end is solid joint (101); Hollow end socket (2) one ends are connected with pressure test tool (4) input end, and the other end is hollow joint (201), are provided with liquid pass hole (202) in the middle of the hollow end socket (2); Nylon packing (3) one ends can be connected with hydraulic cylinder, the butt joint that matches with described hollow joint (201) of other end seal face, and nylon packing (3) is provided with the endoporus (301) that communicates with liquid pass hole (202).
2. according to the described a kind of pressure testing device of claim 1, it is characterized in that: described endoporus (301) diameter is greater than liquid pass hole (202) diameter.
3. according to the described a kind of pressure testing device of claim 1, it is characterized in that: the end that described solid plug (1) is connected with pressure test tool (4) output terminal is that tubing thread box, the solid joint of the other end are 98 * 85mm, six square joints; The end that hollow end socket (2) is connected with pressure test tool (4) input end is that tubing thread pin thread, the hollow joint of the other end are 98 * 85mm, six square joints.
4. according to the described a kind of pressure testing device of claim 1, it is characterized in that: described nylon packing (3) match with hollow joint (201) butt joint seal face be the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202009267U CN202092835U (en) | 2011-06-15 | 2011-06-15 | Pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202009267U CN202092835U (en) | 2011-06-15 | 2011-06-15 | Pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092835U true CN202092835U (en) | 2011-12-28 |
Family
ID=45367896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202009267U Expired - Fee Related CN202092835U (en) | 2011-06-15 | 2011-06-15 | Pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092835U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331329A (en) * | 2011-06-15 | 2012-01-25 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Pressure testing system and pressure testing method |
| CN106370594A (en) * | 2016-10-14 | 2017-02-01 | 河南科技大学 | Method and device for measuring key technical parameters of packing-plate spring floating sealing system |
| CN108729975A (en) * | 2018-08-01 | 2018-11-02 | 广西玉柴机器股份有限公司 | Rocker arm shaft engine oil pressure test fixture connector |
-
2011
- 2011-06-15 CN CN2011202009267U patent/CN202092835U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331329A (en) * | 2011-06-15 | 2012-01-25 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Pressure testing system and pressure testing method |
| CN106370594A (en) * | 2016-10-14 | 2017-02-01 | 河南科技大学 | Method and device for measuring key technical parameters of packing-plate spring floating sealing system |
| CN106370594B (en) * | 2016-10-14 | 2019-02-01 | 河南科技大学 | Packing-leaf spring floating seal system core technical parameter measuring method and device |
| CN108729975A (en) * | 2018-08-01 | 2018-11-02 | 广西玉柴机器股份有限公司 | Rocker arm shaft engine oil pressure test fixture connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20111228 Termination date: 20150615 |
|
| EXPY | Termination of patent right or utility model |