CN205370461U - Connecting device for pressure testing tool of blowout preventer - Google Patents
Connecting device for pressure testing tool of blowout preventer Download PDFInfo
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- CN205370461U CN205370461U CN201521089634.5U CN201521089634U CN205370461U CN 205370461 U CN205370461 U CN 205370461U CN 201521089634 U CN201521089634 U CN 201521089634U CN 205370461 U CN205370461 U CN 205370461U
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- connecting device
- blowout preventer
- testing tool
- screw thread
- tubing coupling
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 230000008878 coupling Effects 0.000 claims abstract description 34
- 238000010168 coupling process Methods 0.000 claims abstract description 34
- 238000005859 coupling reaction Methods 0.000 claims abstract description 34
- 230000007704 transition Effects 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 16
- 210000002445 nipple Anatomy 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a connecting device for preventer pressure testing instrument belongs to petroleum engineering's borehole operation instrument technical field. The first end of the connecting device is connected with a tubing coupling in the blowout preventer pressure testing tool, a square rod head is arranged in an inner cavity of the tubing coupling, a square rod head section of the square rod head protruding out of the tubing coupling is accommodated in the first end of the connecting device, and the second end, opposite to the first end, of the connecting device is connected with a pipeline joint of the pressure testing pump. The utility model provides a four directions pole head that is arranged in preventer pressure testing instrument's connecting device's appearance pole cavity can hold among the special pressure testing instrument of preventer exposes length in the tubing coupling to the combination that will required conventionality becomes to detain and the tubing nipple joint of a area hoop simplifies to a small and exquisite whole in the past, with solve from big footpath and contain the tubing coupling that exposes four directions pole head to the problem of the hydraulic hose connector between the path connecting element many, complex operation and extravagant material.
Description
Technical field
This utility model relates to the underground operation tool technical field of petroleum works, particularly to the connecting device for testing tool for blowout preventer.
Background technology
By industry well control requirement before the dynamic tubing string of underground work, well head must fill preventer and pressure testing is qualified.Patent name in 2010 discloses one for a kind of Special pressure testing tool for blowout preventer (patent No. ZL201020199106.6) and is made up of taper plug, center-pole, safe block plate, tubing nipple, liquid pass hole, four directions head, tubing coupling, plug and tubing nipple are integrated, it is synchronously performed when putting into or take out, shortens the operating time.
Along with the progress in epoch, the cementing truck that once feed flow pressure testing uses now has changed small-sized manual or hydrodynamic pressure testing pump into.Thus, at the scene practice process needs to be attached above-mentioned Special pressure testing tool for blowout preventer with small-sized manual or hydrodynamic pressure testing pump, so occur as soon as new problem in the tubing coupling in big footpath and the connection manually or between the hydraulic flexible pipe joint of the path of hydrodynamic pressure testing pump: owing to conventional variable buckle can not be directly connected to tubing coupling because of the cubic head that exposes, and need another tubing nipple with box cupling to carry out transition, thus cause complex operation and waste material.
Utility model content
In order to solve at least one aspect of the above-mentioned problems in the prior art and defect, this utility model provides a kind of connecting device for testing tool for blowout preventer.Described technical scheme is as follows:
A purpose of the present utility model there is provided a kind of connecting device for testing tool for blowout preventer.
According to an aspect of the present utility model, provide a kind of connecting device for testing tool for blowout preventer, first end of described connecting device is connected with the tubing coupling in described testing tool for blowout preventer, the inner chamber of described tubing coupling is provided with four directions head, the cubic head section protruding from described tubing coupling of described four directions head is contained in the first end of described connecting device, and second end relative with the first end of described connecting device is connected with the pipe joint of hydraulic test pump.
Further, the second end of described connecting device is from the main body of described connecting device along longitudinally outwardly.
Specifically, the main body of described connecting device includes that the spanner side that is connected to each other is stupefied and transition body, and described spanner side is stupefied to be arranged near described second end, and described transition body is arranged near described first end.
Further, the cross sectional shape that described spanner side is stupefied is set to tetragon or hexagon.
Further, the first end of described connecting device and the outer surface of the second end are provided with screw thread, and on described first end and the second end, form the first screw thread and the second screw thread respectively.
Further, the inner chamber of described connecting device is divided into what be connected to each other cross liquid passage and hold bar cavity, and described the second end being opened on described connecting device crossing liquid passage, described appearance bar cavities open is in the first end of described connecting device.
Specifically, described four directions head section is contained in described appearance bar cavity, and the described liquid passage longitudinally along described connecting device of crossing extends to the bottom of described transition body from described second end.
Specifically, the first end of described connecting device and the cross sectional shape of the second end are circular,
The described maximum inner diameter crossing liquid passage deducts 10-12mm equal to the internal diameter of the screw thread being arranged on described second end.
Preferably, the length of described appearance bar cavity is more than the length sum of the total length of described first screw thread with described four directions head section, simultaneously less than the length sum of the total length Yu described transition body that are arranged on described first screw thread.
Preferably, the diameter of described first end is more than the diameter of described second end, and the external diameter of described first screw thread is equal to the diameter of described transition body.
The technical scheme that this utility model provides provides the benefit that:
(1) inside diameter ranges holding bar cavity of the connecting device for testing tool for blowout preventer that this utility model provides is at 60～62 millimeters, and the length of appearance bar cavity is more than oil pipe male thread screw thread total length, make to hold the cubic head protruded length in tubing coupling that bar cavity can hold in Special pressure testing tool for blowout preventer, such that it is able to accept going deep into of four directions head after oil pipe male thread fully enters tubing coupling；
(2) it is overall that what this utility model provided is reduced to small and exquisite one for the connecting device of testing tool for blowout preventer by the combination of the conventional variable buckle needed for the past and a tubing nipple with box cupling, with solve from big footpath and containing expose the tubing coupling of four directions head to the connecting elements the hydraulic flexible pipe joint of path the problem of many, complex operation and waste material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the connecting device for testing tool for blowout preventer according to an embodiment of the present utility model.
Wherein, 100 are used for the connecting device of testing tool for blowout preventer, the first end of 10 connecting devices, 11 first screw threads, the second end of 20 connecting devices, 21 second screw threads, the main body of 30 connecting devices, and 31 spanner sides are stupefied, 32 transition bodies, and 41 cross liquid passage, and 42 hold bar cavitys.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model embodiment is described in further detail.
Referring to Fig. 1, it illustrates the connecting device 100 for testing tool for blowout preventer according to an embodiment of the present utility model.First end 10 of connecting device 100 is connected with the tubing coupling in testing tool for blowout preventer (patent No. ZL201020199106.6), the inner chamber of tubing coupling is provided with four directions head, the cubic head section protruding from tubing coupling of four directions head is contained in the first end 10 of connecting device 100, and second end relative with the first end of connecting device 100 is connected with the pipe joint of hydraulic test pump.
In an example of the present utility model, connecting device 100 selects the material of more than 20 steel to make, for instance 25 chrome-molybdenum steel can be selected to make.This example is only a kind of illustrated examples, is not construed as a kind of restriction of the present utility model.With continued reference to Fig. 1, the second end 20 of connecting device 100 is from the main body 30 of connecting device 100 along longitudinally outwardly.In another example of the present utility model, first end 10 of connecting device 100 and the cross sectional shape of the second end 20 are circular, namely the first end of connecting device 100 and the shape of the second end are tubular type, and the first long-range diameter with the second end 20 of diameter of end 10, such design makes when using connecting device 100, the first end 10 being easy to connecting device 100 holds the cubic head of testing tool for blowout preventer, the tubing coupling of the first end and big footpath that simultaneously facilitate connecting device 100 is connected, and the second end 20 of connecting device 100 is connected with the pipe joint of the path of hydraulic test pump.
In an also example of the present utility model, the first end 10 of connecting device 100 and the outer surface of the second end 20 are provided with screw thread, and on the first end 10, form the first screw thread 11, the second end 20 is formed the second screw thread 21.First screw thread 11 coordinates the type of the tubing coupling in the Special pressure testing tool for blowout preventer of onsite application to be divided into plain end oil well pipe box cupling and external upset tubing box cupling two kinds, and the external diameter of tubing coupling, internal diameter, end face screw thread diameter and screw thread total length etc. are processed and are performed both by API standard.Such as, in Special pressure testing tool for blowout preventer, the type of tubing coupling is divided into 73 millimeters of plain end oil well pipe box cuplings of diameter, and tubing coupling includes the processing such as external diameter 73 millimeters, 70.506 millimeters of internal diameters of external diameter 67.682 millimeters of end face screw thread diameter and screw thread total length 53 millimeters and is performed both by API standard.The standard (M22 × 2) of the pipe joint (such as hydraulic flexible pipe joint) of the small-sized hydraulic test pump used by processing criterion correspondence of the second screw thread 21 of the second end 20 of connecting device 100 is designed, the overall length of the second screw thread 21 is designed as 25 millimeters, and be circular arc by the top design of the second end 20, so it is beneficial to the rapid abutting joint of connecting device 100 and hydraulic test pump, seal degree can also be improved simultaneously.
With continued reference to Fig. 1, the main body 30 of connecting device 100 includes the spanner side stupefied 31 and the transition body 32 that are connected to each other, and spanner side stupefied 31 is arranged near the second end 20, and transition body 32 is arranged near the first end 10.For the ease of execute-in-place, the cross sectional shape of spanner side stupefied 31 is set to four ribs or six ribs, i.e. tetragon or hexagon, and Design of length is 20-30 millimeter.For convenient processing connecting device 100, therefore it is identical with the external diameter of the end face of the first screw thread 11 by transition body 32 diameter design, Design of length by excessive body 32 is the cubic head in Special pressure testing tool for blowout preventer in tubing coupling 2-3 times of protruded length simultaneously, and the shortest it is not less than 10 millimeters, stuck point when this length is as lathe process.This example is only a kind of illustrated examples, is not construed as a kind of restriction of the present utility model.
As shown in Figure 1, the inner chamber of connecting device 100 is divided into what be connected to each other cross liquid passage 41 and hold bar cavity 42, cross second end 20 being opened on connecting device 100 of liquid passage 41, cross the liquid passage 41 longitudinally along connecting device 100 and extend to the bottom of transition body 32 from the middle part of the end face of the second end 20, communicate with each other with appearance bar cavity 42 afterwards.In an example of the present utility model, the maximum inner diameter crossing liquid passage 41 deducts 10-12 millimeter equal to the path (i.e. internal diameter) of the screw thread on the second end 20, namely needed for guarantee the second screw thread 21 on the basis of working strength, made liquid passage 41 as far as possible big, to avoid the impact causing undergauge to throttle hydraulic flexible pipe joint internal diameter.Such as, it is 73 millimeters of plain end oil well pipe types of diameter with the matching used Special pressure testing tool for blowout preventer tubing coupling of connecting device 100, four directions head length of side average out to 33 millimeters, and four directions head exposes 10 millimeters in tubing coupling place, it is 8 millimeters that the diameter of thread that such maximum inner diameter crossing liquid passage 41 should be equal to the second screw thread 20 deducts 10 millimeters.This example is only a kind of illustrated examples, is not construed as a kind of restriction of the present utility model.
Hold bar cavity 42 and be opened on the end face of the first end 10 of connecting device 100, in use, the cubic head section exposed in Special pressure testing tool for blowout preventer is contained in bar cavity 42.In another example of the present utility model, hold the cylindrically shaped of bar cavity 42, and the internal diameter holding bar cavity 42 is designed as 60-62 millimeter.Hold the length sum that the length of bar cavity 42 exposes in tubing coupling with four directions head in Special pressure testing tool for blowout preventer more than the total length of the first screw thread 11, by such be designed to ensure that the first screw thread 11 fully enters tubing coupling after, be also convenient for four directions the going deep into of head.But, holding the length of bar cavity 42 is less than the total length (i.e. the height of the first screw thread 11) of the first screw thread 11 and the length of transition body 32 simultaneously and about 5-6 millimeter, this is to ensure to hold have enough intensity between bar cavity 42 and spanner side stupefied 31.
Such as the internal diameter holding bar cavity 42 is designed as 62 millimeters, length owing to holding bar cavity 42 need to more than four directions head protruded length (such as 10 millimeters) sum in tubing coupling in the total length (such as 53 millimeters) of the first screw thread 11 and Special pressure testing tool for blowout preventer, and the length namely holding bar cavity 42 need to more than 63 millimeters.Length owing to holding bar cavity 42 need to less than the first screw thread 11 total length (such as 53 millimeters) 5～6 millimeters with transition body 32 length (such as 30 millimeters) sum, therefore for length sum 83 deduct again 5 millimeters accrued be 78 millimeters, wherein being subtracted 5 millimeter is the spacing holding bar cavity 42 with spanner side stupefied 31, namely passing through to consider, the length holding bar cavity 42 less than 78 millimeters, need to determine that appearance bar cavity 42 cavity length is 70 millimeters afterwards.
The technical scheme that this utility model provides provides the benefit that:
(1) inside diameter ranges holding bar cavity of the connecting device for testing tool for blowout preventer that this utility model provides is at 60～62 millimeters, and the length of appearance bar cavity is more than oil pipe male thread screw thread total length, make to hold the cubic head protruded length in tubing coupling that bar cavity can hold in Special pressure testing tool for blowout preventer, such that it is able to accept going deep into of four directions head after oil pipe male thread fully enters tubing coupling；
(2) it is overall that what this utility model provided is reduced to small and exquisite one for the connecting device of testing tool for blowout preventer by the combination of the conventional variable buckle needed for the past and a tubing nipple with box cupling, with solve from big footpath and containing expose the tubing coupling of four directions head to the connecting elements the hydraulic flexible pipe joint of path the problem of many, complex operation and waste material.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. the connecting device for testing tool for blowout preventer, it is characterised in that
First end of described connecting device is connected with the tubing coupling in described testing tool for blowout preventer, the inner chamber of described tubing coupling is provided with four directions head, the cubic head section protruding from described tubing coupling of described four directions head is contained in the first end of described connecting device, and second end relative with the first end of described connecting device is connected with the pipe joint of hydraulic test pump.
2. the connecting device for testing tool for blowout preventer according to claim 1, it is characterised in that
Second end of described connecting device is from the main body of described connecting device along longitudinally outwardly.
3. the connecting device for testing tool for blowout preventer according to claim 2, it is characterised in that
The main body of described connecting device includes that the spanner side that is connected to each other is stupefied and transition body, and described spanner side is stupefied to be arranged near described second end, and described transition body is arranged near described first end.
4. the connecting device for testing tool for blowout preventer according to claim 3, it is characterised in that
The stupefied cross sectional shape in described spanner side is set to tetragon or hexagon.
5. the connecting device for testing tool for blowout preventer according to claim 3, it is characterised in that
First end of described connecting device and the outer surface of the second end are provided with screw thread, and on described first end and the second end, form the first screw thread and the second screw thread respectively.
6. the connecting device for testing tool for blowout preventer according to claim 5, it is characterised in that
The inner chamber of described connecting device is divided into what be connected to each other cross liquid passage and hold bar cavity, and described the second end being opened on described connecting device crossing liquid passage, described appearance bar cavities open is in the first end of described connecting device.
7. the connecting device for testing tool for blowout preventer according to claim 6, it is characterised in that
Described four directions head section is contained in described appearance bar cavity, and the described liquid passage longitudinally along described connecting device of crossing extends to the bottom of described transition body from described second end.
8. the connecting device for testing tool for blowout preventer according to claim 7, it is characterised in that
First end of described connecting device and the cross sectional shape of the second end are circular,
The described maximum inner diameter crossing liquid passage deducts 10-12mm equal to the internal diameter of the screw thread being arranged on described second end.
9. the connecting device for testing tool for blowout preventer according to claim 7, it is characterised in that
The length of described appearance bar cavity is more than the length sum of the total length of described first screw thread with described four directions head section, simultaneously less than the length sum of the total length Yu described transition body that are arranged on described first screw thread.
10. the connecting device for testing tool for blowout preventer according to claim 8, it is characterised in that
The diameter of described first end is more than the diameter of described second end, and the external diameter of described first screw thread is equal to the diameter of described transition body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521089634.5U CN205370461U (en) | 2015-12-24 | 2015-12-24 | Connecting device for pressure testing tool of blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521089634.5U CN205370461U (en) | 2015-12-24 | 2015-12-24 | Connecting device for pressure testing tool of blowout preventer |
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| Publication Number | Publication Date |
|---|---|
| CN205370461U true CN205370461U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521089634.5U Active CN205370461U (en) | 2015-12-24 | 2015-12-24 | Connecting device for pressure testing tool of blowout preventer |
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| CN (1) | CN205370461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194117A (en) * | 2016-08-12 | 2016-12-07 | 中国海洋石油总公司 | A kind of method optimizing marine unmanned wellhead platform main process pipelines pressure rating |
| CN109520673A (en) * | 2018-10-30 | 2019-03-26 | 中国石油集团渤海钻探工程有限公司 | A kind of variable-diameter flashboard of blowout preventer pressure testing clamping tooling and its pressure-measuring method |
-
2015
- 2015-12-24 CN CN201521089634.5U patent/CN205370461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194117A (en) * | 2016-08-12 | 2016-12-07 | 中国海洋石油总公司 | A kind of method optimizing marine unmanned wellhead platform main process pipelines pressure rating |
| CN109520673A (en) * | 2018-10-30 | 2019-03-26 | 中国石油集团渤海钻探工程有限公司 | A kind of variable-diameter flashboard of blowout preventer pressure testing clamping tooling and its pressure-measuring method |
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