CN202718672U - Packer experiment shaft based on high-temperature and high-pressure environment - Google Patents
Packer experiment shaft based on high-temperature and high-pressure environment Download PDFInfo
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- CN202718672U CN202718672U CN 201220344860 CN201220344860U CN202718672U CN 202718672 U CN202718672 U CN 202718672U CN 201220344860 CN201220344860 CN 201220344860 CN 201220344860 U CN201220344860 U CN 201220344860U CN 202718672 U CN202718672 U CN 202718672U
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- packer
- experiment
- heating jacket
- lower contact
- sleeve
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Abstract
The utility model relates to a packer experiment shaft based on a high-temperature and high-pressure environment. The packer experiment shaft can test the performance of a packer by simulating the high-temperature and high-pressure environment when the packer works through peripheral auxiliary equipment. The experiment shaft mainly comprises an experiment shaft body, an external heating sleeve, an upper connecting part, a lower connecting part, a packer joint and sealing mechanisms of all the connecting parts. The experiment shaft is provided with upper pressure, lower pressure and central pipe pressure ports and an external heating circulating oil inlet/outlet, so that various pressure index experiments of the packer at a high temperature are conveniently finished. The lower joint is provided with a pressure oil discharge hole, so that oil can be conveniently discharged after the experiments. The sealing part is sealed by adopting a sealing ring, a retainer ring and a metal gasket according to different structures, so that the sealing reliability is ensured. The connecting parts are connected by adopting threads and pipe threads, so that the experiment shaft is easy to assemble and disassemble and can realize multiple packer experiments. Through tests, the experiment shaft is reasonable in structure, safe in process and reliable in work.
Description
Technical field
The utility model relates to oil field packer detection device, particularly a kind of packer experiment pit shaft based on high temperature and high pressure environment.
Background technology
At present, existing packer experiment pit shaft, partial portion adopts welded seal, is not easy to assembling and dismounting.Shaft structure is complicated, and a set of equipment can only detect a kind of packer of model, and utilization rate of equipment and installations is low, and cost is high.
The utility model content
The purpose of this utility model is: a kind of packer experiment pit shaft based on high temperature and high pressure environment is provided, under high temperature (200 ℃), high pressure (100MPA) environment, can accurately test compressive resistance, the sealing performance of packer, rational in infrastructure simple, utilization rate is high, cost is low, is easy to assembly and disassembly.
For achieving the above object, the utility model adopts following technical scheme: a kind of packer experiment pit shaft based on high temperature and high pressure environment, comprise the coupling part, experiment pit shaft part and lower coupling part is characterized in that: upper coupling part mainly adds O-ring seals by tension and compression joint, load sleeve, cooperation sleeve, packer adapter, heating jacket top connection, back-up ring.Large metallic gasket and little metallic gasket form, experiment pit shaft part mainly is comprised of experiment well pit shaft body and experiment well heating jacket, and lower coupling part mainly adds O-ring seals by heating jacket lower contact, experiment well lower contact, plug screw, drain plug gasket, back-up ring and large metallic gasket forms.Cooperating sleeve is a cylindrical tube, in the cylinder step is arranged, and screw thread is arranged more than the step, the load sleeve that spins, and step inner ring and tension and compression joint cylindrical adopt interference fits, and the tension and compression joint is fixed on the step that cooperates in the sleeve.There is internal thread tension and compression joint lower end, the packer adapter that spins, and there is external screw thread the packer adapter lower end, spins to make the packer of experiment.Cooperate the interior lower end of sleeve cylinder that screw thread is arranged, the experiment well pit shaft body that spins, there is screw thread test well pit shaft body lower end, and the experiment well lower contact spins.Cooperate sleeve outer ring and heating jacket top connection to adopt interference fits, there is gas thread heating jacket top connection lower end, the experiment well heating jacket that spins, and there is gas thread experiment well heating jacket lower end, and the heating jacket lower contact spins.Interference fits is adopted in heating jacket lower contact and experiment well lower contact, and the experiment well lower contact is seated in supplemental support and takes.Technique scheme has guaranteed convenience and the convertibility of assembly and disassembly.
All adopt back-up ring to add the sealing of O RunddichtringO at the tension and compression joint with cooperating sleeve interference fits place, cooperation sleeve and heating jacket top connection interference fits place, heating jacket lower contact and experiment well lower contact interference fits place.Tension and compression joint and packer adapter adopt the sealing of little metallic gasket, and experiment well pit shaft body all adopts large metallic gasket to seal with cooperating between sleeve, test well pit shaft body and the experiment well lower contact.Guaranteed the sealing reliability of experiment pit shaft.
Have central tube pressure to suppress mouth on tension and compression joint top, cooperate lower cartridge to have upward pressure to suppress mouth, the experiment well lower contact has downforce to suppress mouth, the convenient test that realizes the every pressure index of packer.The experiment well lower contact leaves unloading port, and the pressure fluid after being convenient to test is discharged.The heating jacket top connection has heating oil upper end inlet, and the heating jacket lower contact has heating oil lower end flow export, for experiment provides hot environment.
The utility model compared with prior art has following apparent substantive distinguishing features and technological progress:
The utility model has taken into full account the security reliability of experiment pit shaft.By external equipment the central tube of tension and compression joint is suppressed and to be made setting of packer, by the packer experimental wwll cylinder is stamped pressure, downforce, detect the performance of packer afterwards.Connect reliably between all parts, be easy to dismounting, good sealing effect is convenient to the removable parts member and is realized that a covering device to the test of Multiple Type packer, has improved utilization rate.
Description of drawings
To be the utility model partly cut open figure based on the packer experiment pit shaft of high temperature and high pressure environment to Fig. 1.
The specific embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
Embodiment one:
Referring to Fig. 1, this is based on the packer experiment pit shaft of high temperature and high pressure environment, comprise coupling part, experiment pit shaft part and lower coupling part, it is characterized in that: upper coupling part mainly is comprised of tension and compression joint 1, load sleeve 2, cooperation sleeve 3, packer adapter 4, heating jacket top connection 10, described tension and compression joint 1 adopts interference fits with cooperating sleeve 3, there is screw thread tension and compression joint 1 lower end, packer adapter 4 spins, load sleeve 2 uses screw thread to spin with cooperating sleeve 3, cooperates sleeve 3 and heating jacket top connection 10 to adopt interference fits; Described experiment pit shaft part mainly is comprised of experiment well pit shaft body 11 and experiment well heating jacket 12, external screw thread is arranged at described test well pit shaft body 11 tops, spin with described sleeve 3 screw threads that cooperate, external screw thread is arranged at experiment well heating jacket 12 tops, spins with described heating jacket top connection 10 gas thread; Described lower coupling part is comprised of heating jacket lower contact 13 and experiment well lower contact 15, there is internal thread described heating jacket lower contact 13 upper ends, spin with described experiment well heating jacket 12 gas thread, there is internal thread experiment well lower contact 15 upper ends, spin with described experiment well pit shaft body 11 screw threads, heating jacket lower contact 13 is adopted interference fits with experiment well lower contact 15.
Embodiment two:
This embodiment is basic identical with embodiment one, special feature is: described tension and compression joint 1 with cooperate sleeve 3 interference fits places, cooperate sleeve 3 and heating jacket top connection 10 interference fits places, heating jacket lower contact 13 all to adopt back-up ring to add the sealing of O RunddichtringO with experiment well lower contact 15 interference fits places, tension and compression joint 1 is with packer adapter 4, experiment well pit shaft body 11 and cooperate and all adopt metallic gasket to seal between sleeve 3, test well pit shaft body 11 and the experiment well lower contact 15.Described tension and compression joint 1 top has central tube pressure to suppress mouth, cooperates sleeve 3 to have upward pressure to suppress mouth, and experiment well lower contact 15 has downforce to suppress mouth and unloading port, and unloading port adds metal gasket 17 sealings by plug screw 16; Heating jacket top connection 10 has heating oil upper end inlet, and heating jacket lower contact 13 has heating oil lower end flow export.
Embodiment three:
Consult Fig. 1.This comprises the coupling part, experiment pit shaft part and lower coupling part based on the packer experiment pit shaft of high temperature and high pressure environment.Consult Fig. 1, upper coupling part by tension and compression joint 1, load sleeve 2, cooperate that sleeve 3, packer adapter 4, O-ring seals (2-334) 5, back-up ring 6, little metallic gasket 7, large metallic gasket 8, O RunddichtringO (2-369) add back-up ring 9, heating jacket top connection 10 forms, experiment pit shaft part is comprised of experiment well pit shaft body 11, experiment well heating jacket 12, and lower coupling part adds back-up ring 14, experiment well lower contact 15, plug screw 16, drain plug gasket 17 by heating jacket lower contact 13, O RunddichtringO (2-367) and forms.
Cooperating sleeve 3 is cylindrical tubes, in the cylinder step is arranged, step is above to spin with load sleeve 2 screw threads, and load sleeve 2 is gone up pressure pressure after mainly bearing packer setting, step inner ring and tension and compression joint 1 cylindrical adopt interference fits, and tension and compression joint 1 is fixed on the step that cooperates in the sleeve 3.There is internal thread tension and compression joint 1 lower end, the packer adapter 4 that spins, and there is external screw thread packer adapter 4 lower ends, spin and need to make the packer of experiment.Cooperate 3 interior lower ends of sleeve that screw thread is arranged, the experiment well pit shaft body 11 that spins, there is screw thread test well pit shaft body 11 lower ends, and the hyperbaric environment that a sealing is provided is tested in the experiment well lower contact 15 that spins for packer.Cooperate sleeve 3 outer rings and heating jacket top connection 10 to adopt interference fits, there is gas thread heating jacket top connection 10 lower ends, the experiment well heating jacket 12 that spins, and there is gas thread experiment well heating jacket 12 lower ends, and heating jacket lower contact 13 spins.Add
Hot jacket lower contact 13 is adopted interference fits with experiment well lower contact 15, and test well pit shaft body and experiment well heating jacket annular space provide the hot environment of a sealing for the packer experiment.The experiment well lower contact is seated in supplemental support and takes.
All adopt back-up ring to add O RunddichtringO sealing with heating jacket top connection 10 interference fits places, heating jacket lower contact 13 with experiment well lower contact 15 interference fits places with cooperating sleeve 3 interference fits places, cooperation sleeve 3 at tension and compression joint 1.Tension and compression joint 1 adopts little metallic gasket 7 sealings with packer adapter 4, and experiment well pit shaft body 11 all adopts large metallic gasket 8 to seal with cooperating between sleeve 3, test well pit shaft body 11 and the experiment well lower contact 15.Guaranteed the sealing reliability of high-temp liquid, highly pressurised liquid in the experiment pit shaft.
Tension and compression joint 1 top has central tube pressure to suppress mouth, and the central tube by packer adapter 4 is communicated with packer, packer is suppressed set.Cooperate sleeve 3 bottoms to have upward pressure to suppress mouth, realize that the upper cavity pressure behind the packer setting is suppressed.Experiment well lower contact 15 has downforce to suppress mouth, realizes that the lower cavity pressure behind the packer setting is suppressed.Experiment well lower contact 15 leaves unloading port, the discharge opeing after being convenient to test.Heating jacket top connection 10 has heating oil upper end inlet, and heating jacket lower contact 13 has heating oil lower end flow export, for experiment provides the high temperature circulation environment.
During use, packer is connected on the packer adapter 4 first, packer, packer adapter 4, tension and compression joint 1 connect as one, be lowered to pit shaft to cooperating sleeve 3 step places, again the load sleeve is screwed in, be fixedly connected with the tension and compression joint of packer and packer adapter 4, utilize afterwards external equipment that packer is carried out bulge test.
Claims (3)
1. the packer based on high temperature and high pressure environment is tested pit shaft, comprise the coupling part, experiment pit shaft part and lower coupling part, it is characterized in that: upper coupling part is mainly by tension and compression joint (1), load sleeve (2), cooperate sleeve (3), packer adapter (4), heating jacket top connection (10) forms, described tension and compression joint (1) adopts interference fits with cooperating sleeve (3), there is screw thread tension and compression joint (1) lower end, packer adapter (4) spins, load sleeve (2) uses screw thread to spin with cooperating sleeve (3), cooperates sleeve (3) and heating jacket top connection (10) to adopt interference fits; Described experiment pit shaft part mainly is comprised of experiment well pit shaft body (11) and experiment well heating jacket (12), external screw thread is arranged at described test well pit shaft body (11) top, spin with described sleeve (3) screw thread that cooperates, external screw thread is arranged at experiment well heating jacket (12) top, spins with described heating jacket top connection (10) gas thread; Described lower coupling part is comprised of heating jacket lower contact (13) and experiment well lower contact (15), there is internal thread described heating jacket lower contact (13) upper end, spin with described experiment well heating jacket (12) gas thread, there is internal thread experiment well lower contact (15) upper end, spin with described experiment well pit shaft body (11) screw thread, heating jacket lower contact (13) is adopted interference fits with experiment well lower contact (15).
2. the packer based on high temperature and high pressure environment according to claim 1 is tested pit shaft, it is characterized in that: described tension and compression joint (1) with cooperate sleeve (3) interference fits place, cooperate sleeve (3) and heating jacket top connection (10) interference fits place, heating jacket lower contact (13) all adopts back-up ring to add the sealing of O RunddichtringO, tension and compression joint (1) and packer adapter (4) with experiment well lower contact (15) interference fits place, experiment well pit shaft body (11) with cooperate sleeve (3), all adopt the metallic gasket sealing between test well pit shaft body (11) and the experiment well lower contact (15).
3. the packer based on high temperature and high pressure environment according to claim 1 is tested pit shaft, it is characterized in that: described tension and compression joint (1) top has central tube pressure to suppress mouth, cooperate sleeve (3) to have upward pressure to suppress mouth, experiment well lower contact (15) has downforce to suppress mouth and unloading port, and unloading port adds metal gasket (17) sealing by plug screw (16); Heating jacket top connection (10) has heating oil upper end inlet, and heating jacket lower contact (13) has heating oil lower end flow export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344860 CN202718672U (en) | 2012-07-17 | 2012-07-17 | Packer experiment shaft based on high-temperature and high-pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344860 CN202718672U (en) | 2012-07-17 | 2012-07-17 | Packer experiment shaft based on high-temperature and high-pressure environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718672U true CN202718672U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344860 Expired - Fee Related CN202718672U (en) | 2012-07-17 | 2012-07-17 | Packer experiment shaft based on high-temperature and high-pressure environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515689A (en) * | 2013-09-27 | 2015-04-15 | 中国石油化工集团公司 | Downhole tool high-temperature and high-pressure simulation test device and test method |
-
2012
- 2012-07-17 CN CN 201220344860 patent/CN202718672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515689A (en) * | 2013-09-27 | 2015-04-15 | 中国石油化工集团公司 | Downhole tool high-temperature and high-pressure simulation test device and test method |
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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: 20130206 Termination date: 20140717 |
|
| EXPY | Termination of patent right or utility model |