CN106153269A - A kind of test joint - Google Patents
A kind of test joint Download PDFInfo
- Publication number
- CN106153269A CN106153269A CN201610743296.5A CN201610743296A CN106153269A CN 106153269 A CN106153269 A CN 106153269A CN 201610743296 A CN201610743296 A CN 201610743296A CN 106153269 A CN106153269 A CN 106153269A
- Authority
- CN
- China
- Prior art keywords
- lid
- lower contact
- joint
- union
- slips
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The present invention relates to a kind of test joint, it includes top connection, lower contact and test instrumentation pipe string；The upper end outer cover of top connection is provided with thread protector lid, and lower end is connected with lower contact；The upper end sealing shroud of lower contact is connected to outside the lower end of top connection, and the outside sealing shroud in lower end is provided with lower thread protector lid；The side, upper end of lower contact is equiped with plug；Side, the upper end outer wall of lower contact is oblique offers detection hole；Union lid all it is arranged with outside the connecting portion of upper and lower joint and outside the connecting portion of lower contact and lower thread protector lid；Slips all it is equiped with between union lid and upper and lower joint；Slips is all fixed by securing member with lower the radial and axial of union lid；Test instrumentation string includes that snap joint, needle-valve, three way cock and Pressure gauge connect composition.Easy installation and removal of the present invention, easy for operation, can quickly test sealing property after re-assemblying, save the time for entering tool string under scene, decreased potential safety hazard, improve production efficiency.
Description
Technical field
The present invention relates to steel wire and wireline operation ground installation technical field, particularly relate to a kind of easy accessibility, quick and
The test joint of sealing property can be quickly tested after re-assemblying.
Background technology
Steel wire, the feature of wireline operation are band press operations, seal the most intact the most important, usually in operation process,
Need to take apart and enter steel wire cable instrument under the well head control equipment on ground, it is necessary to often take well head apart and control equipment (one
As be lubricator and preventer junction), often rubber seal will have been damaged by dismounting, owing to other well heads control to set
Standby (lubricator or preventer) detects the effect of sealing property voluntarily after all can not realizing dismounting, enter to re-assembly under instrument
After, it is impossible to ensure that sealing property is the most intact, thus there is potential safety hazard, therefore test joint is connected on lubricator and blowout prevention
Device junction is as often taking position apart, and test joint carries the gauge pipe string of detection sealing property, so every time dismounting
The sealing property that only just can detect self after complete with a handlance fast and easily is the most intact.Test joint is exactly
After having dismounted, armrest press pump is suppressed, and by Pressure gauge, just can directly judge that inner sealing performance is the most intact, reaches every time
The purpose of safety work.Generally known test joint, is distinguished by internal diameter, have 2.5 ", 3 ", 4 ", 5 ", 6.38 " etc..
Before common steel wire and cable execute-in-place, there is no test joint, when entering steel wire cable tool string under needs when, can only tear open
Open after directly lubricator and preventer being reconnected after entering under lubricator and preventer junction, instrument, begin to work, have
It is likely to occur dismounting position sealing ring in unloading process to damage, but operator cannot detect, and so needs a large amount of manpower things
Power, also loses time to check which position is revealed, and test joint is to press to save substantial amounts of inspection and test period
Power test, without test joint, cannot be accurate, check which link has leakage efficiently, if can not be timely
Change problematic caulking gum part, the most directly operate, it is possible to pressure leakages occurs, it is impossible to normally make
Industry, it could even be possible to cause security incident.
The most originally there is no test joint, under needing in well head steel wire operation/wireline operation, entered steel wire cable
The when of tool string, it is necessary to often take well head apart and control equipment (generally lubricator 1 and preventer 2 junction A at), often
Rubber seal will have been damaged by dismounting, re-assemblies at A, frequently dismantle under instrument after entering, it is impossible to correctly judges at A
Sealing property is the most intact, owing to other well heads control to examine voluntarily after equipment (lubricator or preventer) all can not realize dismounting
Survey the effect of sealing property, enter after re-assemblying under instrument, it is impossible to ensure that sealing property is the most intact, thus there is safety hidden
Suffer from.
Above-mentioned understand, for fast, convenient and safe often dismounting and well head after ensureing dismounting every time in shaft mouth operation
Equipment sealing property is the most intact, it is necessary to improve prior art operation further, one novel examination of necessary increase
Test joint.
Summary of the invention
For the problems referred to above, it is simple, reasonable that the present invention proposes a kind of structure design, and easy installation and removal carries and self examines
Survey sealing property, easy for operation, can quickly test sealing property after re-assemblying, for enter under scene tool string saved time
Between, decrease potential safety hazard, improve the test joint of production efficiency.
Technical scheme is as follows:
Above-mentioned test joint, including top connection, lower contact, union lid, slips, upper thread protector lid, lower thread protector lid and test
Gauge pipe string；Described top connection is the most through is provided with top connection through hole, and the outside coupling in its upper end is arranged with on described protects
Wire cover, lower end is connected with described lower contact；The most through lower contact through hole that offers of described lower contact, described lower contact
Through hole and described top connection through hole central coaxial；The upper end sealing shroud of described lower contact is connected to outside the lower end of described top connection,
The outside sealing shroud in lower end is provided with lower thread protector lid；The side, upper end of described lower contact radially offers and joins with described lower contact through hole
Logical pipe plug opening, in described pipe plug opening, coupling is equiped with plug；Side, the upper end outer wall of described lower contact is oblique to be offered and institute
State the detection hole of lower contact through hole UNICOM；Outside the connecting portion of described upper and lower joint and described lower contact and lower thread protector lid
Union lid all it is arranged with outside connecting portion；Slips all it is equiped with between described union lid and described upper and lower joint；Described slips with
Described lower the radial and axial of union lid is all fixed by securing member；Described test instrumentation string includes snap joint, needle-valve and three
Pass joint；Described needle-valve includes the first needle-valve and the second needle-valve；Described snap joint one end is connected to described detection hole, the other end
Connect described first needle-valve and connect described three way cock wherein one end by described first needle-valve；Another of described three way cock
End connection has the second needle-valve, and remaining one end connects Pressure gauge.
Described test joint, wherein: described snap joint is to be connected to described detection hole by variable buckle joint；Described quickly
It is all to be connected by variable buckle joint between joint with described first needle-valve, three way cock, the second needle-valve.
Described test joint, wherein: be threaded connection between upper end outer wall and the upper thread protector lid of described top connection.
Described test joint, wherein: by a pair O between the upper end of the outside and described lower contact in the upper end of described lower contact
RunddichtringO is tightly connected；Sealed by another O type between lower end outer wall and the inwall of described lower thread protector lid of described lower contact
Circle is tightly connected.
Described test joint, wherein: described union lid includes union lid and lower union lid, and described slips includes upper slips
And lower slips；Described upper union lid is sheathed on outside the connecting portion of described top connection and lower contact, the lower end of described upper union lid
It is threaded connection between the upper end outer wall of inwall and described lower contact；Described upper slips is installed in the upper end of described upper union lid
Between the lower end outer wall of inwall and described top connection, the outer wall of described upper slips passes through spiral shell with the upper end inwall of described upper union lid
Stricture of vagina connects；Described upper slips is fixed, axially through interior radial through interior hexagonal cylindrical end holding screw everywhere with upper union lid
Fix at hexagonal cylindrical end holding screw two；Described lower union lid is sheathed on outside the connecting portion of described lower contact and lower thread protector lid
Side, is threaded connection between lower end inner wall and the outer wall of described lower thread protector lid of described lower union lid；Described lower slips is installed
Between upper end inwall and the lower end outer wall of described lower contact of described lower union lid；Described lower slips and the radial direction of lower union lid
Fixed everywhere by interior hexagonal cylindrical end holding screw, fix axially through at interior hexagonal cylindrical end holding screw two.
Beneficial effect:
Test joint structure of the present invention design advantages of simple, easy accessibility, bottom lubricator and preventer are connected by it
Coming, the when of entering steel wire cable tool string under can be used for needing in shaft mouth operation, test joint is as often taking position, instrument apart
Under enter after armrest press pump quickly to detect self seal performance the most intact, reach the purpose of safety operation, make on-the-spot behaviour
When making more convenient, safe and reliable；Save the time for entering tool string under scene, convenient, decrease potential safety hazard, carry
High production efficiency, is suitable to promote and application.
Accompanying drawing explanation
Fig. 1 is the structural representation of test joint of the present invention；
Fig. 2 is state diagram after test joint of the present invention is connected with lubricator, preventer；
Fig. 3 be test joint of the present invention Fig. 2 in enlarged drawing at B；
Fig. 4 is state diagram after lubricator and preventer connection；
Fig. 5 is the enlarged drawing in Fig. 4 at A.
Detailed description of the invention
As it is shown in figure 1, test joint of the present invention, generally axle class formation and include top connection 1, lower contact 2, union lid 3,
Slips 4, upper thread protector lid 5, lower thread protector lid 6 and test instrumentation pipe string 7.
This top connection 1 is the most through is provided with top connection through hole 11, and the outside coupling in its upper end is arranged with thread protector lid 5
Closing, lower end is connected with lower contact 2；Wherein, it is threaded connection between upper end outer wall and the upper thread protector lid 5 of this top connection 1.
This lower contact 2 is the most through offers lower contact through hole 21, this lower contact through hole 21 and this top connection 1
Top connection through hole 11 central coaxial.Wherein, the upper end of this lower contact 2 coupling is socketed on outside the lower end of this top connection 1, and under connect
2 upper end inwalls are further opened with a pair lower contact seal groove, be equiped with a pair O types and seal in this pair lower contact seal groove
Circle 22, so that the lower end of the upper end of lower contact 2 and top connection 1 is tightly connected；The side, upper end of this lower contact 2 radially offers
Pipe plug opening, this pipe plug opening is equiped with plug 23 with mating in lower contact through hole 11 UNICOM and hole；This side, lower contact 2 upper end outer wall
Oblique being further opened with detects hole 24, this detection hole 24 and lower contact through hole 21 UNICOM.Meanwhile, outside of the lower end of this lower contact 2
Supporting it be provided with lower thread protector lid 6 and close；The lower end outer wall of this lower contact 2 offers seal groove, is equiped with the 2nd O type in this seal groove
Circle 25, lower thread protector lid 6 plays lower end outer wall sealing surface and the effect of the 2nd O RunddichtringO 25 of protection lower contact 2.
This union lid 3 has a pair and i.e. includes union lid 31 and lower union lid 32, and this slips 4 also has a pair and includes
Upper slips 41 and lower slips 42.Wherein, on this, union lid 31 is sheathed on outside the connecting portion of this top connection 1 and lower contact 2, on this
It is threaded connection between union lid 31 lower end inner wall and lower contact 2 upper end outer wall；This upper slips 41 is installed in union lid 31
Upper end inwall and the lower end outer wall of top connection 1 between, the outer wall of this upper slips 41 passes through with the upper end inwall of upper union lid 31
Threaded；This upper slips 41 is fixed radial through interior hexagonal cylindrical end holding screw everywhere with upper union lid 31, axially leads to
Fix at hexagonal cylindrical end holding screw two in crossing.Meanwhile, this lower union lid 32 is sheathed on the company of lower contact 2 and lower thread protector lid 6
Connect outside portion, be threaded connection between lower end inner wall and the outer wall of lower thread protector lid 6 of this lower union lid 32；This lower slips 42 fills
It is located between upper end inwall and the lower end outer wall of lower contact 2 of lower union lid 32, this lower slips 42 and the radial direction of lower union lid 32
Fixed everywhere by interior hexagonal cylindrical end holding screw, fix axially through at interior hexagonal cylindrical end holding screw two.
This test instrumentation string 7 is by snap joint 71, needle-valve 72, three way cock 73, Pressure gauge 74 and variable buckle joint 75 even
Connect composition；The oblique detection hole 24 being connected to lower contact 2 by variable buckle joint 75 coupling, this snap joint 71 one end；This needle-valve 72
Including the first needle-valve 721 and the second needle-valve 722, this first needle-valve 721 one end is connected to the other end of snap joint 71；This threeway
One of them joint of joint 73 is connected to this needle-valve 72 other end, and another joint connects Pressure gauge 74, a remaining joint
Connect the second needle-valve 722；Wherein, this snap joint 71, first needle-valve 721, three way cock's the 73, second needle-valve 722 are each other
It is all to be connected by double public variable buckle joints 75.Wherein, this test instrumentation string 7 closes the first needle-valve 721 in a pre-installation, from other one
Individual second needle-valve 722 is suppressed, and test Pressure gauge 74 is the most intact, opens the first needle-valve 721, by variable buckle joint as intact
75 are connected in lower contact 2.
The use principle of the present invention:
As Figure 2-3, test joint is connected on lubricator 8 with preventer 9 junction as often taking position apart, and
Test joint carries at the gauge pipe string B of detection sealing property, only just can be fast with a handlance after having dismantled so every time
At the prompt B of detection easily, the sealing property of self is the most intact, specifically by handlance to the pressure on test joint
Table 74 is suppressed, and observes Pressure gauge 74 video data, sees whether pressure falls down, if Pressure gauge 74 video data is steady,
Without fluctuation, then this section of blowout hookup favorable sealing property is described；If Pressure gauge 74 video data fluctuates, and pressure is the most down
Fall, more and more less, then illustrate that this section is sealed with problem, just should take replacing caulking gum part apart.After test-based examination is errorless, from quickly
Pressure gauge 74 is unloaded at joint 71, in case being continuing with when next time needs, beginning steel wire/cable safety work that just can be relieved.
Present configuration design advantages of simple, easy accessibility, bottom lubricator and preventer are coupled together, can be used for by it
The when of entering steel wire cable tool string under shaft mouth operation needs, after test joint is as often taking apart and entering under position, instrument
It is the most intact that armrest press pump quickly detects self seal performance, reaches the purpose of safety operation, when making execute-in-place more
Convenient and swift, safe and reliable.
Claims (5)
1. a test joint, it is characterised in that: described test joint includes top connection, lower contact and test instrumentation pipe string；
Described top connection is the most through is provided with top connection through hole, and the outside coupling in its upper end is arranged with thread protector lid, lower end
It is connected with described lower contact；
In the most through lower contact through hole that offers of described lower contact, described lower contact through hole and described top connection through hole
The heart is coaxial；The upper end sealing shroud of described lower contact is connected to outside the lower end of described top connection, and the outside sealing shroud in lower end is provided with down and protects
Wire cover；The side, upper end of described lower contact radially offers and the pipe plug opening of described lower contact through hole UNICOM, described pipe plug opening
Interior coupling is equiped with plug；Side, the upper end outer wall of described lower contact is oblique to be offered and the detection of described lower contact through hole UNICOM
Hole；
Union all it is arranged with outside the connecting portion of described upper and lower joint and outside the connecting portion of described lower contact and lower thread protector lid
Lid；Slips all it is equiped with between described union lid and described upper and lower joint；The radial direction of described slips and described lower union lid and axle
To all being fixed by securing member；
Described test instrumentation string includes snap joint, needle-valve and three way cock；Described needle-valve includes the first needle-valve and the second needle-valve；
Described snap joint one end is connected to described detection hole, and the other end is connected described first needle-valve and connected by described first needle-valve
Described three way cock wherein one end；The other end of described three way cock connects the second needle-valve, and remaining one end connects pressure
Table.
2. test joint as claimed in claim 1, it is characterised in that: described snap joint is to be connected to institute by variable buckle joint
State detection hole；It is all to be connected by variable buckle joint between described snap joint with described first needle-valve, three way cock, the second needle-valve
Connect.
3. test joint as claimed in claim 1, it is characterised in that: between upper end outer wall and the upper thread protector lid of described top connection
It is threaded connection.
4. test joint as claimed in claim 1, it is characterised in that: the upper end of described lower contact is outside and described lower contact
It is tightly connected by a pair O RunddichtringO between upper end；The inwall of the lower end outer wall of described lower contact and described lower thread protector lid it
Between be tightly connected by another O RunddichtringO.
5. test joint as claimed in claim 1, it is characterised in that: described union lid includes union lid and lower union lid,
Described slips includes upper slips and lower slips；
Described upper union lid is sheathed on outside the connecting portion of described top connection and lower contact, the lower end inner wall of described upper union lid with
It is threaded connection between the upper end outer wall of described lower contact；Described upper slips be installed in the upper end inwall of described upper union lid with
Between the lower end outer wall of described top connection, the outer wall of described upper slips is connected by screw thread with the upper end inwall of described upper union lid
Connect；Described upper slips is fixed, axially through interior hexagonal radial through interior hexagonal cylindrical end holding screw everywhere with upper union lid
Fix at cylinder end clamping fixed screw two；
Described lower union lid is sheathed on outside the connecting portion of described lower contact and lower thread protector lid, the lower end inner wall of described lower union lid
And it is threaded connection between the outer wall of described lower thread protector lid；Described lower slips be installed in the upper end inwall of described lower union lid with
Between the lower end outer wall of described lower contact；Described lower slips and lower union lid radial through interior hexagonal cylindrical end holding screw four
Place is fixing, fixes axially through at interior hexagonal cylindrical end holding screw two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743296.5A CN106153269A (en) | 2016-08-26 | 2016-08-26 | A kind of test joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743296.5A CN106153269A (en) | 2016-08-26 | 2016-08-26 | A kind of test joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106153269A true CN106153269A (en) | 2016-11-23 |
Family
ID=57343727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610743296.5A Pending CN106153269A (en) | 2016-08-26 | 2016-08-26 | A kind of test joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106153269A (en) |
-
2016
- 2016-08-26 CN CN201610743296.5A patent/CN106153269A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |
|
| WD01 | Invention patent application deemed withdrawn after publication |