CN208294485U - A kind of armored cable shaft mouth test sealing device - Google Patents
A kind of armored cable shaft mouth test sealing device Download PDFInfo
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- CN208294485U CN208294485U CN201820924507.XU CN201820924507U CN208294485U CN 208294485 U CN208294485 U CN 208294485U CN 201820924507 U CN201820924507 U CN 201820924507U CN 208294485 U CN208294485 U CN 208294485U
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- test
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Abstract
The utility model provides a kind of armored cable shaft mouth test sealing device, including blowout prevention case structure, choke tube mechanism and pulley mechanism, the pulley mechanism is connected with choke tube mechanism lower part, and choke tube mechanism top is equipped with blowout prevention case structure, is equipped with sealing ring flow tube in choke tube mechanism.Utility model device; so that cable up and down (test process) carries out in stop-leak compound always; guarantee that test is safe and efficient; reduce human resources and labor intensity; and reduce the use of crane; overflow waste liquid will be imported into devil liquor recovery container and protect environment; when the stop-leak compound injected from quick coupling is squeezed into along the gap of cable and choke tube mechanism; form pressure difference; force injection stop-leak compound pressure and well head pressure balance; the effect for adding blowout prevention case structure in this way, realizes well head without leakage.
Description
Technical field
The utility model relates to petroleum equipment technical fields, particularly with regard to a kind of wireline test well mouth sealing device.
Background technique
After the investment exploitation of oil field, oil reservoir energy itself, formation pressure are constantly consumed with the growth of mining time
It will constantly decline, underground crude oil is made largely to deaerate, viscosity is high, and oil well output is reduced, or even meeting stop-spraying stops production, and causes underground residual
It stays a large amount of dead oils not adopt not come out, in order to which the underground caused by making up after crude oil produces is in debt, keeps or improve formation pressure, realization
Oil field stable high yield, and obtain higher recovery ratio, it is necessary to oil field is filled the water.In order to accurately stratum water injection rate be given to carry out
Monitoring or allotment are needed to use electronics instrument test, could effectively be controlled in this way.
Mainly in the monitoring and allocation process of water injection well, most of wellhead of water injection well pressure is in 25MPa or so, in this way
Wellhead sealing is a very big problem during the test.If tested with present lead covered cable, well head pressure may be only available for
Power is lower than 15MPa, and well depth is less than 1000 meters.Otherwise lead covered cable may be damaged or is broken.Instrument is caused to fall into underground.In this way
Limitation is very big, if being tested using the above armored cable of diameter 5.6mm, the installation for Blowout prevention wellhead of logging well just needs crane and a large amount of
Human resources.And cost is also high.If not needing crane and excessive human resources using the test of 3.5mm armored cable, greatly
Construction cost is reduced greatly.Thus to well head pressure 15MPa is greater than, 1000 meters of well depth or more of well test wellhead sealing is just mentioned
New requirement is gone out.Due to this construction of cable, epidermis is not smooth.So wellhead sealing is just at very big difficulty
Topic.
Utility model content
For the difficulty of test process wellhead sealing in the prior art, lead covered cable test may be only available for well head pressure and be lower than
15MPa, well depth just need crane less than 1000 meters, with the installation of the above armored cable test well logging Blowout prevention wellhead of diameter 5.6mm
With a large amount of human resources, cost is also high, does not need crane and excessive human resources although testing using 3.5mm armored cable
But due to cable skin be not it is smooth, the technical problem of wellhead sealing difficulty, the utility model provides a kind of armored cable
Shaft mouth test sealing device will accomplish that well head does not pierce during the test and not leak or leak seldom, meet the requirement of environmental protection, in petroleum
Wireline test wellhead sealing field has broad applicability wide.
The utility model provides a kind of armored cable shaft mouth test sealing device, including blowout prevention case structure, choke tube machine
Structure and pulley mechanism, the pulley mechanism are connected with choke tube mechanism lower part, and choke tube mechanism top is equipped with blowout prevention case structure,
Sealing ring flow tube is equipped in choke tube mechanism.
In the utility model, pulley mechanism is that top sheave is tested in steel wire well testing in oil field.
In the utility model, blowout prevention case structure includes overflow pressure cap, packing pressure cap, 3.5mm cable bulkhead and packing,
3.5mm cable bulkhead top and packing pressure cap are threadedly coupled, and packing pressure cap top is equipped with overflow pressure cap, in 3.5mm cable bulkhead
Portion is equipped with packing, and packing lower part and 3.5mm cable bulkhead inner wall lower are flexibly connected, and packing top and packing pressure cap activity connect
It connects.
In the utility model, the internal screw thread on packing pressure cap top has packing cavity, is equipped with rubber disc in packing cavity
Root.
In the utility model, packing is rubber packing or copper dish root and overflow packing.
In the utility model, packing includes copper dish root and overflow packing, and copper dish root one end is in conical shaped depression, and copper dish root is another
Outer one end is in horizontal plane, and one end of copper dish root level and packing pressure cap are flexibly connected；It overflows in circular platform type protrusion overflow packing one end
Flow table root other end is in horizontal plane, and one end of overflow packing horizontal plane is connected with 3.5mm cable bulkhead inner cavity lower removable,
One end of overflow packing circular platform type protrusion and one end of copper dish root conical shaped depression are adapted connection.
In the utility model, packing pressure cap and 3.5mm cable bulkhead are adapted position and are equipped with overflow hole.
In the utility model, it is equipped with seal groove in the middle part of packing pressure cap, is equipped with sealing ring in seal groove, on packing pressure cap
Portion is in six prismatics, and packing pressure cap lower part is rounded, and the overflow hole of packing pressure cap is arranged on packing pressure cap lower thread top.
In the utility model, choke tube mechanism top is equipped with flow tube set, and flow tube covers top and 3.5mm cable bulkhead lower part spiral shell
Line connection.
In the utility model, choke tube mechanism includes flow tube set, plug, union, sealing ring flow tube, test-drilling blowout prevention box, note
Rouge down tube and greasing lower end cap, flow tube covers lower part and the upper part of the plug is threadedly coupled, and plug lower exterior face is socketed with test-drilling blowout prevention box,
Union is equipped with outside test-drilling blowout prevention box, plug is fixedly connected with test-drilling blowout prevention box by union, and note is equipped with inside test-drilling blowout prevention box
Rouge down tube, greasing down tube top are connected by screw thread with plug lower part, and greasing down tube lower part is connected by screw thread and greasing lower end cap
It connects, sealing ring flow tube is equipped with inside greasing down tube, sealing ring flow tube one end is connected with plug, sealing ring flow tube other end and note
The connection of rouge lower end cap.
In the utility model, it is equipped with seal groove outside sealing ring flow tube both ends, is equipped with sealing ring in seal groove.
In the utility model, plug lower part, test-drilling blowout prevention box lower part, union and greasing down tube lower interior portion are equipped with sealing
Ring recess, plug lower part and greasing down tube upper external also are provided with seal groove.
In the utility model, plug side wall is equipped with 90 elbows, and 90 elbow other ends are equipped with quick coupling.
In the utility model, sealing ring flow tube internal diameter differs 0.15mm-0.20mm with the outside diameter of cable.
The utility model has the beneficial effects that
When being applicable in a kind of armored cable shaft mouth test sealing device provided by the utility model, stop-leak compound is effectively injected
Well mouth sealing device guarantees that test is safe and efficient, surveys so that cable up and down (test process) carries out in stop-leak compound always
The normal production that ensure that oil field while examination, reduces human resources, while also reducing labor intensity, and reduce and hang
The use of vehicle.
Blowout prevention case structure prevents liquid from leaking from above well head using the packing being pressed on outside cable in the utility model
Out, even there is leakage.Liquid measure and pressure all very littles of leakage, within controlled range, and by overflowing below overflow pressure cap
Discharge orifice flows in devil liquor recovery container, facilitates recycling, reduces environmental pollution, while blowout prevention box also acts as sealing wellhead makes oil gas not
Cause the effect of the second side's line leaked out.Packing pressure cap in blowout prevention case structure can adjust the pressure to packing in time, effectively
Seal degree is adjusted, overflow waste liquid is imported into devil liquor recovery container in time.
The stop-leak compound edge that a kind of armored cable shaft mouth test sealing device provided by the utility model is injected from quick coupling
When the gap of cable and choke tube mechanism is squeezed into, pressure difference is formed, forces injection stop-leak compound pressure and well head pressure balance, so again
In addition the effect of blowout prevention case structure, realizes well head without leakage by multi-layer leakproof.
Detailed description of the invention
Fig. 1 is the assembling structure schematic diagram of the utility model；
Fig. 2 is the utility model pulley mechanism structural schematic diagram；
Fig. 3 is the overflow pressure cap structural schematic diagram of the utility model；
Fig. 4 is the utility model packing pressure cap structural schematic diagram；
Fig. 5 is the 3.5mm cable bulkhead structural schematic diagram of the utility model；
Fig. 6 is the utility model copper dish root structural schematic diagram；
Fig. 7 is the seal cup root structural schematic diagram of the utility model；
Fig. 8 is the utility model flow tube nested structure schematic diagram；
Fig. 9 is 90 elbow structure schematic diagram of the utility model；
Figure 10 is the stopper structure schematic diagram of the utility model；
Figure 11 is the utility model union structural schematic diagram；
Figure 12 is the sealing ring tube flowing structure schematic diagram of the utility model；
Figure 13 is the utility model test-drilling blowout prevention box structural schematic diagram；
Figure 14 is the greasing down tube structural schematic diagram of the utility model；
Figure 15 is the greasing lower end cap structural schematic diagram of the utility model.
In Fig. 1-15, A- spray box mechanism, B- choke tube mechanism, 1- pulley mechanism, 2- overflow pressure cap, 3- packing pressure cap, 4-
3.5mm cable bulkhead, 5- copper dish root, 6- overflow packing, 7- flow tube set, 8- quick coupling, 9-90 elbow, 10- plug, 11- by
Nonyl, 12- sealing ring flow tube, 13- test-drilling blowout prevention box, 14- greasing down tube, 15- greasing lower end cap.
Specific embodiment
1-15 and embodiment with reference to the accompanying drawing, are described in further detail specific embodiment of the present utility model,
But utility model device is not limited to following embodiments.
In the present invention, for ease of description, in utility model device, the relative positional relationship of each component
Description is with reference to the accompanying drawings 1 Butut mode to be described, such as: upper and lower, left and right positional relationship is the cloth according to attached drawing 1
Figure direction determines.
In the utility model, pulley mechanism 1, packing pressure cap 3,3.5mm cable bulkhead 4, copper dish root 5, overflows at overflow pressure cap 2
Flow table root 6, flow tube set 7, quick coupling 8,90 elbows 9, plug 10, union 11, sealing ring flow tube 12, test-drilling blowout prevention box 13, note
Acquisition all can be purchased or be customized to rouge down tube 14, greasing lower end cap 15 by common market approach.
The technical scheme that the utility model is provided is as follows:
The utility model provides a kind of 3.5mm armored cable shaft mouth test sealing device, including blowout prevention case structure A, resistance
Flow tube mechanism B and pulley mechanism 1, the pulley mechanism 1 are connected with the lower part choke tube mechanism B, and the top choke tube mechanism B is equipped with
Sealing ring flow tube 12 is equipped in blowout prevention case structure A, choke tube mechanism B, sealing ring flow tube 12 balances most well head pressure,
Power mechanism using pulley mechanism 1 by test carriage itself can be achieved with testing, and subtracts crane and reduces the quantity of personnel.
In the utility model, pulley mechanism 1 is that top sheave is tested in steel wire well testing in oil field.
In the utility model, blowout prevention case structure A includes overflow pressure cap 2, packing pressure cap 3,3.5mm cable bulkhead 4 and packing,
4 top of 3.5mm cable bulkhead and packing pressure cap 3 are threadedly coupled, and 3 top of packing pressure cap is equipped with overflow pressure cap 2, and 3.5mm cable is stifled
First 4 inside is equipped with packing, and packing lower part and 4 inner wall lower of 3.5mm cable bulkhead are flexibly connected, packing top and packing pressure cap 3
It is flexibly connected, the internal screw thread that 3 top of packing pressure cap is equipped with and 2 external screw thread of overflow pressure cap is adapted, 3 lower part overflow hole of packing pressure cap
Have an external screw thread, 3 external screw thread front end of packing pressure cap be equipped with and 3.5mm cable bulkhead 4 in hold the inner cavity of packing mutually seemingly should
Non-threaded end, the inner cavity top that packing is held in 3.5mm cable bulkhead 4 is equipped with and 3.5mm cable bulkhead external screw thread is adapted
Internal screw thread, 4 lower part of 3.5mm cable bulkhead be equipped with external screw thread.
In the utility model, the internal screw thread on 3 top of packing pressure cap has packing cavity, is equipped with rubber disc in packing cavity
Root, can be by compressing overflow pressure cap 2 to compress rubber packing, so that overflow liquid is stifled from 3.5mm cable when there is overflow
It is flowed out in first 4 overflow hole.
In the utility model, packing is rubber packing or copper dish root and overflow packing.
In the utility model, packing includes copper dish root 5 and overflow packing 6, and 5 one end of copper dish root is in conical shaped depression, copper dish
5 other end of root is in horizontal plane, and the horizontal one end of copper dish root 5 and packing pressure cap 3 are flexibly connected；6 one end of overflow packing is in rotary table
Type protrusion, 6 other end of overflow packing are in horizontal plane, and one end of 6 horizontal plane of overflow packing is under 4 inner cavity of 3.5mm cable bulkhead
Portion is flexibly connected, and one end of 5 conical shaped depression of one end and copper dish root of overflow packing 6 circular platform type protrusion is adapted connection.
In the utility model, packing pressure cap 3 and 3.5mm cable bulkhead 4 are adapted position equipped with overflow hole.
In the utility model, it is equipped with seal groove in the middle part of packing pressure cap 3, is equipped with sealing ring, packing pressure cap 3 in seal groove
Top is in six prismatics, and 3 lower part of packing pressure cap is rounded, and the overflow hole of packing pressure cap 3 is arranged in 3 lower thread of packing pressure cap
Portion.
In the utility model, the top choke tube mechanism B is equipped with flow tube set 7, and flow tube covers 7 tops equipped with stifled with 3.5mm cable
The adaptable internal screw thread of first 4 lower external thread, flow tube cover 7 tops and connect with 4 lower thread of 3.5mm cable bulkhead.
In the utility model, choke tube mechanism includes that flow tube set 7, plug 10, union 11, sealing ring flow tube 12, well testing are anti-
Spray box 13, greasing down tube 14 and greasing lower end cap 15, flow tube cover 7 lower parts and 10 top of plug and are threadedly coupled, and flow tube covers 7 lower parts and sets
There is the internal screw thread being adapted with 10 upper external thread of plug, 10 lower exterior face of plug is socketed with test-drilling blowout prevention box 13, well testing blow-out preventing
It is equipped with union 11, plug 10 and test-drilling blowout prevention box 13 outside box 13 to be fixedly connected by union 11, is set inside test-drilling blowout prevention box 13
There is greasing down tube 14,14 top of greasing down tube is equipped with external screw thread lower part and is equipped with internal screw thread, and 10 lower part of plug is equipped with and greasing down tube
The adaptable internal screw thread of 14 upper external threads, greasing lower end cap 15 are interior equipped with being adapted with the lower upper internal threaded of greasing down tube 14
Screw thread, 14 top of greasing down tube are connected by screw thread with 10 lower part of plug, and 14 lower part of greasing down tube under screw thread and greasing by blocking up
First 15 connect, and sealing ring flow tube 12 is equipped with inside greasing down tube 14, and 12 one end of sealing ring flow tube and plug 10 connect, sealing ring stream
12 other end of pipe and greasing lower end cap 15 connect, and sealing ring flow tube 12 is the steel pipe of an inner wall smooth.
In the utility model, it is equipped with seal groove outside 12 both ends of sealing ring flow tube, is equipped with sealing ring in seal groove,
12 upper end of sealing ring flow tube is protruded into the cavity on 10 lower internal thread top of plug, and 12 lower end of sealing ring flow tube is protruded under greasing and blocked up
In first 15 inner chamber body.
In the utility model, 10 lower part of plug, 14 lower interior portion of 13 lower part of test-drilling blowout prevention box, union 11 and greasing down tube
It is equipped with seal groove, 10 lower part of plug and 14 upper external of greasing down tube also are provided with seal groove.
In the utility model, 10 side wall of plug is equipped with 90 9,90 elbow of elbow, 9 other end and is equipped with quick coupling 8.
In the utility model, 12 internal diameter of sealing ring flow tube differs 0.15mm-0.20mm with the outside diameter of cable.
In the utility model, overflow pressure cap 2, packing pressure cap 3,3.5mm cable bulkhead 4, copper dish root 5, overflow packing 6, stream
During pipe sleeve 7,90 elbows 9, plug 10, sealing ring flow tube 12, test-drilling blowout prevention box 13, greasing down tube 14 and greasing lower end cap 15 be
Hollow structure, middle part are equipped with cylindrical hole.
In the utility model, 15 bottom plate of greasing lower end cap, which is set, to be connected there are three evenly arranged through-hole with middle part cylindrical hole.
Overflow hole on packing pressure cap 3 is in cross setting, the position that 3.5mm cable bulkhead 4 and 3 overflow hole of packing pressure cap are adapted
Equipped with overflow hole.
When being applicable in the utility model, 1 mode of by specification attached drawing is overflow pressure cap 2, packing pressure cap 3,3.5mm cable
Plug 4, copper dish root 5, overflow packing 6, flow tube cover 7, quick coupling 8,90 elbows 9, plug 10, union 11, sealing ring flow tube
12, test-drilling blowout prevention box 13, greasing down tube 14, greasing lower end cap 15 connect, and test-drilling blowout prevention box 13 is connected to 2-7/8 lubricator
On.When at work, lubricator is connected on well head, then connects greasing pipeline and quick coupling 8, these Job readiness are good
Afterwards, then at this moment pulley mechanism 1 is just put into instrument in lubricator on test-drilling blowout prevention box 13, tightens by hand union 11
Work is begun to, stop-leak compound is injected in quick coupling 8 in squeezing into sealing ring flow tube 12 by pipeline by greasing pump, sealing ring
The gap of flow tube 12 and cable only has 0.15-0.2mm.Oily, gas and water pressure, is played in this way in the pressure balance well of stop-leak compound
The effect of sealing, pressure is greater than stop-leak compound balance pressure even in well, but also reduces very much.Thus by adjusting packing
Pressure cap 3 it is elastic, compress overflow packing 6, just play secondary seal, if then sealing do not live, then adjust overflow pressure cap 2 compress overflow
Rubber packing below pressure cap 2.So that liquid is flowed out from the overflow hole of 3.5mm cable bulkhead 4, devil liquor recovery container is introduced
In.Well head leakage pollution environment is avoided, test is maintained to continue.
By it is nearly more than 3 years in the field test of the nearly hundred mouthfuls of wells in oil recovery factory, utility model device reduces human resources, together
When also reduce labor intensity, improve labor efficiency, and effectively prevent in test process well head and reveal, protect ring
Cost has been saved in border.
As described above, the utility model can be realized preferably, the above embodiments are only to the excellent of the utility model
It selects embodiment to be described, not the scope of the utility model is defined, do not departing from the spirit of the design of the utility model
Under the premise of, the various changes and improvements that those of ordinary skill in the art make the technical solution of the utility model should all be fallen
Enter in the protection scope that the utility model determines.
Claims (10)
1. a kind of armored cable shaft mouth test sealing device, including blowout prevention case structure, choke tube mechanism and pulley mechanism, feature
It is, the pulley mechanism is connected with choke tube mechanism lower part, and choke tube mechanism top is equipped with blowout prevention case structure, choke tube machine
Sealing ring flow tube is equipped in structure.
2. armored cable shaft mouth test sealing device as described in claim 1, which is characterized in that the pulley mechanism is examination
Well test top sheave, the blowout prevention case structure include overflow pressure cap, packing pressure cap, 3.5mm cable bulkhead and packing, 3.5mm electricity
Cable the upper part of the plug and packing pressure cap are threadedly coupled, and packing pressure cap top is equipped with overflow pressure cap, are equipped with disk inside 3.5mm cable bulkhead
Root, packing lower part and 3.5mm cable bulkhead inner wall lower are flexibly connected, and packing top and packing pressure cap are flexibly connected.
3. armored cable shaft mouth test sealing device as claimed in claim 2, which is characterized in that the packing includes copper dish root
With overflow packing, copper dish root one end is in conical shaped depression, and copper dish root other end is in horizontal plane, one end of copper dish root level and disk
Root pressure cap is flexibly connected；In circular platform type protrusion, overflow packing other end is in horizontal plane for overflow packing one end, and overflow packing is horizontal
The one end in face is connected with 3.5mm cable bulkhead inner cavity lower removable, one end of overflow packing circular platform type protrusion and copper dish root circular cone
One end of shape recess is adapted connection.
4. armored cable shaft mouth test sealing device as claimed in claim 2, which is characterized in that the packing pressure cap and
3.5mm cable bulkhead is adapted position and is equipped with overflow hole.
5. armored cable shaft mouth test sealing device as claimed in claim 2, which is characterized in that set in the middle part of the packing pressure cap
There is seal groove, sealing ring is equipped in seal groove, packing pressure cap top is in six prismatics, and packing pressure cap lower part is rounded, disk
The overflow hole of root pressure cap is arranged on packing pressure cap lower thread top.
6. armored cable shaft mouth test sealing device as claimed in claim 2, which is characterized in that choke tube mechanism top
Equipped with flow tube set, flow tube set top is connected with 3.5mm cable bulkhead lower thread.
7. armored cable shaft mouth test sealing device as described in claim 1, which is characterized in that the choke tube mechanism includes
Flow tube set, plug, union, sealing ring flow tube, test-drilling blowout prevention box, greasing down tube and greasing lower end cap, flow tube cover lower part and plug
Top is threadedly coupled, and plug lower exterior face is socketed with test-drilling blowout prevention box, and union is equipped with outside test-drilling blowout prevention box, and plug and well testing are anti-
Spray box is fixedly connected by union, and greasing down tube is equipped with inside test-drilling blowout prevention box, and greasing down tube top passes through under screw thread and plug
Portion's connection, greasing down tube lower part are connected by screw thread with greasing lower end cap, and sealing ring flow tube, sealing ring are equipped with inside greasing down tube
Flow tube one end is connected with plug, and sealing ring flow tube other end is connected with greasing lower end cap.
8. armored cable shaft mouth test sealing device as claimed in claim 7, which is characterized in that sealing ring flow tube both ends
Outside is equipped with seal groove, is equipped with sealing ring in seal groove.
9. armored cable shaft mouth test sealing device as claimed in claim 7, which is characterized in that the plug lower part, well testing
Blowout prevention box lower part, union and greasing down tube lower interior portion are equipped with seal groove, plug lower part and greasing down tube upper external
Equipped with seal groove.
10. armored cable shaft mouth test sealing device as claimed in claim 7, which is characterized in that the plug side wall is equipped with
90 elbows, 90 elbow other ends are equipped with quick coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820924507.XU CN208294485U (en) | 2018-06-14 | 2018-06-14 | A kind of armored cable shaft mouth test sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820924507.XU CN208294485U (en) | 2018-06-14 | 2018-06-14 | A kind of armored cable shaft mouth test sealing device |
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| Publication Number | Publication Date |
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| CN208294485U true CN208294485U (en) | 2018-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533207A (en) * | 2018-06-14 | 2018-09-14 | 西安石油大佳润实业有限公司 | A kind of armored cable shaft mouth test sealing device |
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2018
- 2018-06-14 CN CN201820924507.XU patent/CN208294485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533207A (en) * | 2018-06-14 | 2018-09-14 | 西安石油大佳润实业有限公司 | A kind of armored cable shaft mouth test sealing device |
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