CN104453859B - Well completing test device and its system - Google Patents
Well completing test device and its system Download PDFInfo
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- CN104453859B CN104453859B CN201310438785.6A CN201310438785A CN104453859B CN 104453859 B CN104453859 B CN 104453859B CN 201310438785 A CN201310438785 A CN 201310438785A CN 104453859 B CN104453859 B CN 104453859B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention proposes a kind of well completing test device, including is internally formed the first housing of runner cavity；The packing device of the first hull outside is arranged on, packing device is used to underground being separated into upper chamber and lower cavity；The drive device being arranged in flow passage chamber body and the slide bar being connected with drive device, drive device band moving slide-bar are axially moveable；The test device being arranged in first shell body, test device are located at the lower section of slide bar；Formed in the first lower housing portion and the inlet that is connected with runner cavity and lower cavity, form the liquid outlet for being located at the top of packing device in first shell body and being connected with runner cavity and upper chamber；Its by drive device control slide bar be axially moveable can be achieved upper chamber and lower cavity connect or disconnection, that is, realize and drive a well or closing well；Then using test device record down-hole pressure dynamic changing process, so as to complete well completing test, its test process is simple, is easy to use；The present invention also provides a kind of well completing test system.
Description
Technical field
The present invention relates to a kind of well completing test device and its system, belong to well completing test technical field.
Background technology
It is well known that well completing test is the oil gas current test work carried out after completion to favourable or possible oil bearing reservoir
Make.For domestic and international existing well completing test technology generally using drilling rod or oil pipe conveying well completing test technology, it is according to test purpose
And the measuring technology that test zone physical property is combined to a variety of testing tools.
At present, it is domestic generally to use tubing string conveying-type testing tool.Such as：Annular pressure responds（Annulus
Pressure Response, abbreviation APR）Measuring technology and multi-current tester（Multi-Flow Evaluator, abbreviation MFE）
Measuring technology.The two technique is all to be connected kit by oil pipe or drilling rod, under lower going-into-well, on ground in face of underground
Instrument is controlled, so as to realize the purpose of well completing test.
Wherein, APR measuring technologies are that the various kits in underground are controlled by suppressing realization in surface annulus.Specifically
, wherein LPR-N valves are the upsets that its internal ball valve is realized by applied pressure by annulus, pressure release, and then realize control underground open and close
Well；RD or RDS valves, it is that rupture disk is crushed by applied pressure by annulus to realize the communication of oil pipe and ring set, it is real to reach circulation kill-job
The purpose of existing well control.It is in test process, and LPR-N valves and RD or RDS valves need to inject nitrogen, and injection rate will be according to operation pressure
Rank is calculated.Hence in so that its test process is excessively complicated, it is not convenient to use.
MFE measuring technologies are to realize downhole tool control by put-on and delegated tubing string.Specifically, it on ground by facing
Tubing string put-on and delegated simultaneously applies the pressure of the drill, acts its downhole tool inversion mechanism, and test valve is opened, and realizes that underground drives a well.Test
After upper lifting pipe post, and transfer, in the presence of inversion mechanism, test valve is closed, and realizes downhole closing.Because it is being tested
During, it is necessary to domestic tubing string is above carried or transferred by hanging liter system, implement so needing underground work to coordinate.Cause
This make it that its test process is excessively complicated, is not convenient to use.
In summary, in existing well completing test device, complicated in the prevalence of test process, what is be not convenient to use asks
Topic.
The content of the invention
For above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of well completing test device, it was tested
Journey is simple, is easy to use.
The present invention also aims to provide a kind of well completing test system, its test process is simple, is easy to use.
A kind of well completing test device provided by the invention, including：
It is internally formed the first housing of runner cavity；
Be arranged on first hull outside for the packing device that sets, and the packing device is used for underground
It is separated into upper chamber and lower cavity；
The drive device being arranged in the flow passage chamber body and the slide bar being connected with the drive device, the driving dress
Put and drive the slide bar to be axially moveable；
The test device being arranged in the first shell body, the test device are located at the lower section of the slide bar；
Formed in the bottom of first housing and the inlet that is connected with the runner cavity and the lower cavity,
And formed first housing positioned at the top of the packing device and with the runner cavity and the upper chamber
The liquid outlet connected；
Wherein, the slide bar can move up under the drive of the drive device and open the liquid outlet, from
And the upper chamber is connected with the lower cavity by the runner cavity；
The slide bar can move down under the drive of the drive device and close the liquid outlet, so as to by institute
That states upper chamber and the lower cavity connects disconnection.
Optionally, the drive device includes, and extends first formed to axis from the inwall of first housing and separates
Layer, it is axially located in the inwall from first housing below first separate layer and extends the second separation formed to axis
Layer, and the test piston being axially arranged between first separate layer and second separate layer, and the test
Separate between the top of piston and first separate layer formed with the first cavity, the bottom of the test piston with described second
Formed with the second cavity between layer；
The top of the slide bar is connected with the bottom of the test piston, and the slide bar is axially downward through described
Second separate layer is simultaneously extended in the flow passage chamber body；
Wherein, when the pressure in second cavity be more than first cavity in pressure when, it is described test piston to
Upper movement so that the slide bar opens the liquid outlet；
When the pressure in second cavity is less than the pressure in first cavity, the test piston is to moving down
It is dynamic so that the slide bar closes the liquid outlet.
Optionally, the packing device includes,
Cone, packing rubber sleeve and the sliding outer cover being successively set on axially downward on the outer wall of first housing,
The cone and first housing are affixed, and the packing rubber sleeve and the sliding outer cover are socketed and slided with first housing
It is dynamic to coordinate, the bottom of the cone and the top clamping of the packing rubber sleeve, the bottom of the packing rubber sleeve with outside the slip
The top clamping of set；
The outer wall of first housing formed with guide groove, the inwall of the sliding outer cover to axis extend formed with institute
The guide protrusions that guide groove is engaged are stated, and the guide groove is separated and forms the 3rd cavity and the 4th by the guide protrusions
Cavity；
Wherein, when the pressure in the 4th cavity be more than the 3rd cavity in pressure when, the sliding outer cover to
Upper movement, the cone are engaged the extruding packing rubber sleeve with the sliding outer cover so that the packing rubber sleeve is opened laterally
Realization is opened to set；
When the pressure in the 4th cavity is less than the pressure in three cavity, the sliding outer cover moves down,
So that the packing rubber sleeve shrinks to inner side realizes deblocking.
Optionally, the packing device includes,
At least three anchor flukes being arranged on the outer wall of first housing, the upper end of the anchor fluke and first housing
Outer wall it is affixed, formed with space between the outer wall of the lower end of the anchor fluke and first housing；
Be slidably matched cone, packing rubber sleeve and the cunning being socketed on the outer wall of first housing successively axially downward
Dynamic overcoat, the bottom of the cone and the top clamping of the packing rubber sleeve, the bottom of the packing rubber sleeve with outside the slip
The top clamping of set；
The outer wall of first housing formed with guide groove, the inwall of the sliding outer cover to axis extend formed with institute
The guide protrusions that guide groove is engaged are stated, and the guide groove is separated and forms the 3rd cavity and the 4th by the guide protrusions
Cavity；
Wherein, when the pressure in the 4th cavity be more than the 3rd cavity in pressure when, the sliding outer cover to
Upper movement so that the cone is moved up in the insertion space, and the anchor fluke is opened laterally；The cone with it is described
Sliding outer cover is engaged the extruding packing rubber sleeve so that the packing rubber sleeve opens realization and set laterally；
When the pressure in the 4th cavity is less than the pressure in three cavity, the sliding outer cover moves down,
So that the packing rubber sleeve shrinks to inner side realizes deblocking so that remove the space under the cone, and the anchor fluke to
Contract.
Optionally, the quantity of the anchor fluke is six, and six anchor flukes are distributed on described first around axis annular
On the outer wall of housing.
Optionally, it is provided with the first shell body and sequentially passes through first separate layer, the test piston and described
First wire-passing tube of slide bar, and the bottom of first wire-passing tube is connected with the test device.
A kind of well completing test system provided by the invention, including pilot controller and above-mentioned well completing test device；
The pilot controller includes the second housing with installation cavity, and is successively set on axially downward described
Control circuit device and hydraulic oil container in second shell body；
Wherein, the lower end of second housing is connected with the upper end of first housing, the control circuit device and institute
Test device is stated to be connected, the hydraulic oil container respectively with first cavity, second cavity, the 3rd cavity and described
4th cavity is connected.
Optionally, it is axially located in the second shell body between the control circuit device and the hydraulic oil container and also sets
It is equipped with pressure equaliser；
The pressure equaliser includes,
Extend the 3rd separate layer formed to axis from the inwall of second housing, be axially located in described first and separate
The inwall from second housing of layer lower section extends the 4th separate layer formed to axis, and is axially arranged on described the
Dummy piston between three separate layers and the 4th separate layer；
Formed with the 5th cavity, the bottom of the dummy piston between the top of the dummy piston and the 3rd separate layer
Formed with the 6th cavity between portion and the 4th separate layer；
Formed with the through hole connected with the 5th cavity and the upper chamber on second housing, the described 6th
Cavity is connected with the hydraulic oil container.
Optionally, in the second shell body it is axially disposed sequentially pass through the 3rd separate layer, the dummy piston,
Second wire-passing tube of the 4th separate layer and the hydraulic oil container, and the upper end of second wire-passing tube and the control electricity
Road device is connected, and the lower end of second wire-passing tube is connected with first wire-passing tube.
Optionally, the positioner for measuring setting depth is additionally provided with the pilot controller.
Compared with prior art, well completing test device provided by the invention, it controls slide bar to move vertically by drive device
It is dynamic can be achieved upper chamber and lower cavity connect or disconnection, that is, realize and drive a well or closing well；Then remembered using test device
Down-hole pressure dynamic changing process is recorded, so as to complete well completing test, its test process is simple, is easy to use.
In further technical scheme, drive device uses piston structure, by changing test top land and bottom
Pressure, so as to realize to test piston control and be axially moveable with moving slide-bar, further simplify test process, more
It is easy to use.
In further technical scheme, packing device uses piston structure, by changing sliding outer cover and the first housing
Outer wall formed the 3rd cavity in and the 4th cavity in pressure, so as to realize sliding outer cover drive packing rubber sleeve action, and
Realized by packing rubber sleeve and set and unseal, it easily facilitates operation, used, and further optimizes test process.
In further technical scheme, packing device uses piston structure, by changing sliding outer cover and the first housing
The 3rd cavity that is formed of outer wall and the 4th cavity pressure, so as to realize that sliding outer cover drives packing rubber sleeve, cone and anchor
Pawl acts, and is realized by packing rubber sleeve and set and unseal, and realizes that grappling is effectively prevented in the generation of well completing test device by anchor fluke
Alter；Meanwhile it easily facilitates operation, used, and further optimizes test process.
In further technical scheme, the quantity of anchor fluke is six, and annular is distributed on the outer wall of the first housing, from
And the grappling performance of anchor fluke is effectively improved, the anchorage force of abundance is provided for well completing test device, prevents it from being leapt up on occurring.
In further technical scheme, the first wire-passing tube is provided with first shell body and is placed for transmitting data and control
The cable of system, cable can be played a protective role using the first wire-passing tube.
Compared with prior art, well completing test system provided by the invention, it controls slide bar vertically by drive device
It is mobile can be achieved upper chamber and lower cavity connect or disconnection, that is, realize and drive a well or closing well；Then test device is utilized
Down-hole pressure dynamic changing process is recorded, so as to complete well completing test, its test process is simple, is easy to use.
In further technical scheme, pressure equaliser is set, for balancing the second enclosure interior in second shell body
Pressure and upper chamber between pressure, so as to be effectively prevented from because the pressure in upper chamber is excessive so as to the second housing
Cause to damage.
In further technical scheme, the second wire-passing tube is provided with second shell body, for place transmission data and
The cable of control, and be connected with the first wire-passing tube, cable can be played a protective role using the second wire-passing tube.
In further technical scheme, positioner is provided with pilot controller, is determined by positioner
The depth set, while avoid well completing test device from being set in collar opening position.
Above-mentioned technical characteristic can in any suitable manner be combined or substituted by equivalent technical characteristic, as long as can reach
To the purpose of the present invention.
Brief description of the drawings
The present invention will hereinafter be retouched in more detail based on only non-limiting embodiment and refer to the attached drawing
State.Wherein：
Fig. 1 is the working state structure schematic diagram that drives a well for the well completing test device that the embodiment of the present invention one provides；
Fig. 2 is the closing well working state structure schematic diagram for the well completing test device that the embodiment of the present invention one provides；
Fig. 3 is the structural representation for the well completing test device that the embodiment of the present invention two provides；
Fig. 4 is the structural representation for the well completing test system that the embodiment of the present invention three provides.
Brief description of the drawings：
The housings of 1- first, 11- runner cavitys, 12- inlets, 13- liquid outlets, 14- guide grooves, the wire-passing tubes of 15- first；
2- packing devices, 21- anchor flukes, 22- cones, 23- packing rubber sleeves,
24- sliding outer covers, 241- guide protrusions,
The cavitys of 25- the 3rd, the cavitys of 26- the 4th；
3- upper chambers；4- lower cavities；
5- drive devices, the separate layers of 51- first, the separate layers of 52- second, 53- test pistons, the cavitys of 54- first, 55- the
Two cavitys；
6- slide bars；7- test devices；
The housings of 8- second, 81- through holes, the wire-passing tubes of 82- second；
9- control circuit devices, 91- hydraulic oil containers；
10- pressure equalisers, the separate layers of 101- the 3rd, the separate layers of 102- the 4th, 103- dummy pistons, the chambers of 104- the 5th
Body, the cavitys of 105- the 6th.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Clear, complete description, based on the embodiment in the present invention, those of ordinary skill in the art are not making creativeness
All other embodiment obtained by the premise of work, belong to the scope that the present invention is protected.
Before embodiment is described, first the directionality name occurred in the present invention is done as defined below：
The axis of well completing test device is the axis of drilling well；Part close to ground is top, under the part away from ground is
Portion；Direction close to ground is top, and the direction away from ground is lower section；One end close to ground is top, away from ground
One end be bottom；Side close to axis is inner side, and the side away from axis is outside.
Embodiment one：
As depicted in figs. 1 and 2, the well completing test device provided in the present embodiment, including：It is internally formed runner cavity 11
First housing 1；Be arranged on outside the first housing 1 for the packing device 2 that sets, and packing device 2 is used for underground point
It is divided into upper chamber 3 and lower cavity 4；The drive device 5 being arranged in runner cavity 11 and the cunning being connected with drive device 5
Bar 6, drive device 5 are axially moveable with moving slide-bar 6；The test device 7 being arranged in the first housing 1, test device 7 is positioned at cunning
The lower section of bar 6；Formed in the bottom of the first housing 1 and the inlet 12 that is connected with runner cavity 11 and lower cavity 4, and
Formed in the first housing 1 positioned at the top of packing device 2 and the liquid outlet that connects with runner cavity 11 and upper chamber 3
13；Wherein, slide bar 6 can move up under the drive of drive device 5 and open liquid outlet 13, so as to pass through runner cavity
11 are connected upper chamber 3 with lower cavity 4；Slide bar 6 can move down under the drive of drive device 5 and make to draw liquid
Mouthfuls 13 close, so as to which upper chamber 3 and lower cavity 4 are connected into disconnection.
In order to make it easy to understand, the course of work of the well completing test device is described below：
As shown in figure 1, when carrying out well completing test, well completing test device is integrally transferred to underground, now slide bar 6 will go out liquid
Mouth 13 is closed, and the gas stream in lower cavity 4 is entered in runner cavity 11 by inlet 12.
When below well completing test device to MTD, control packing device 2 is opened so that packing device 2 pastes with the borehole wall
Merge and underground is separated into upper chamber 3 and lower cavity 4, set so as to realize.
After the completion of setting, as shown in Fig. 2 by controlling drive device 5 to be moved up with moving slide-bar 6 so that liquid outlet 13
Open, at the same the gas stream in lower cavity 4 by liquid outlet 13 by being entered in runner cavity 11 in upper chamber 3, test
Device 7 is tested, and is driven a well so as to realize and is carried out well completing test.
After well completing test terminates, as shown in figure 1, by controlling drive device 5 to be moved down with moving slide-bar 6 so that go out
Liquid mouth 13 is closed, while the connection of lower cavity 4 and upper chamber 3 disconnects, so as to realize closing well.
Finally, control packing device 2 is closed so that packing device 2 departs from the borehole wall, so as to realize deblocking.
The well completing test device provided in the present embodiment, it controls slide bar 6 to be axially moveable and can be achieved by drive device 5
Upper chamber 3 and lower cavity 4 connect or disconnection, that is, realize and drive a well or closing well；Then underground pressure is recorded using test device 7
Power dynamic changing process, so as to complete well completing test, its test process is simple, is easy to use.
Embodiment two：
As shown in figure 3, the well completing test device provided in the present embodiment, including：It is internally formed the first of runner cavity 11
Housing 1；Be arranged on outside the first housing 1 for the packing device 2 that sets, and packing device 2 is used to underground being separated into
Upper chamber 3 and lower cavity 4（After dotted portion represents packing device 2 in opened condition in figure, the shape after being bonded with the borehole wall
State）；The drive device 5 being arranged in runner cavity 11 and the slide bar 6 being connected with drive device 5, drive device 5 is with moving slide-bar
6 are axially moveable；The test device 7 being arranged in the first housing 1, test device 7 are located at the lower section of slide bar 6；First housing 1
Bottom is located at the upper of packing device 2 formed with the inlet 12 connected with runner cavity 11 and lower cavity 4, the first housing 1
Side is formed with the liquid outlet 13 connected with runner cavity 11 and upper chamber 3.
Wherein, drive device 5 includes：Extend the first separate layer 51 formed to axis from the inwall of the first housing 1, along axle
Extend the second separate layer 52, Yi Jiyan formed to axis to the inwall from the first housing 1 positioned at the lower section of the first separate layer 51
The test piston 53 being axially disposed between the first separate layer 51 and the second separate layer 52, and test the top of piston 53 and the
Formed with the first cavity 54 between one separate layer 51, test between the bottom of piston 53 and the second separate layer 52 formed with the second chamber
Body 55.
The top of further slide bar 6 is connected with testing the bottom of piston 53, and slide bar 6 passes through second axially downward
Separate layer 52 is simultaneously extended in runner cavity 11.
Wherein, when the pressure in the second cavity 55 is more than the pressure in the first cavity 54, test piston 53 moves up,
So that slide bar 6 opens liquid outlet 13, and upper chamber 3 is connected with lower cavity 4 by runner cavity 11；When second
When pressure in cavity 55 is less than the pressure in first cavity 54, test piston 53 moves down so that slide bar 6 will go out liquid
Mouthfuls 13 close and upper chamber 3 and lower cavity 4 are connected into disconnection.
In order to make it easy to understand, the course of work of the well completing test device is described below：
When carrying out well completing test, well completing test device is integrally transferred to underground, now slide bar 6 closes liquid outlet 13,
Gas stream in lower cavity 4 is entered in runner cavity 11 by inlet 12.
When below well completing test device to MTD, control packing device 2 is opened so that packing device 2 pastes with the borehole wall
Merge and underground is separated into upper chamber 3 and lower cavity 4, set so as to realize.
After the completion of setting, by injecting hydraulic fluid into the second cavity 55 so that pressure in the second cavity 55 is more than the
Pressure in one cavity 54, so that test piston 53 is moved up and moved up with moving slide-bar 6 so that liquid outlet 13 is beaten
Open, at the same the gas stream in lower cavity 4 by liquid outlet 13 by being entered in runner cavity 11 in upper chamber 3, test dress
Put 7 to be tested, drive a well so as to realize and carry out well completing test.
After well completing test terminates, by injecting hydraulic fluid into the first cavity 54 so that the pressure in the second cavity 55
Less than the pressure in the first cavity 54, so that test piston 53 is moved down and moved down with moving slide-bar 6 so that go out liquid
Mouth 13 is closed, while the connection of lower cavity 4 and upper chamber 3 disconnects, so as to realize closing well.
Finally, control packing device 2 is closed so that packing device 2 departs from the borehole wall, so as to realize deblocking.
The well completing test device provided in the present embodiment, its drive device 5 use piston structure, and piston 53 is tested by changing
The pressure of top and bottom, so as to realize the control to testing piston 53, then band moving slide-bar 6 is axially moveable and realizes top
Cavity 3 and lower cavity 4 connect or disconnection, that is, realize and drive a well or closing well；Then down-hole pressure is recorded using test device 7 to move
State change procedure, so as to complete well completing test, its test process is simple, is easy to use.
In the present embodiment, because packing device 2 needs to insulate formation testing during well completing test, that is, pass through
Underground is separated into upper chamber 3 and lower cavity 4 by packing device 2, therefore the reliability of packing device 2 is most important.Therefore,
The embodiment of two kinds of packaging systems is provided in the present embodiment.
The first embodiment, when packing device 2 insulates to underground, packing device 2 can be larger by underground
Pressure, if pressure crosses conference so that well completing test device integrally moves up, in turn result in the damage of damage packing device 2
Or cause the cable in well completing test device that disk, card, winding occurs or even fractures, it should add anchor portion in packing device 2 for this
Part.
Therefore, as shown in figure 3, packing device 2 includes, at least three anchor flukes 21 being arranged on the outer wall of the first housing 1,
The upper end of anchor fluke 21 and the outer wall of the first housing 1 are affixed, are formed between the outer wall of the lower end of anchor fluke 21 and the first housing 1 free
Gap；It is slidably matched successively axially downward outside the cone 22 being socketed on the outer wall of first shell body 1, packing rubber sleeve 23 and slip
Set 24, the bottom of cone 22 and the top clamping of packing rubber sleeve 23, the bottom of packing rubber sleeve 23 and the top card of sliding outer cover 24
Connect；Formed with guide groove 14, the inwall of sliding outer cover 24 extends formed with matching with guide groove the outer wall of first housing 1 to axis
The guide protrusions 241 of conjunction, and guide protrusions 241 are directed to groove 14 and separate and form the 3rd cavity 25 and the 4th cavity 26；Its
In, when the pressure in the 4th cavity 26 is more than the pressure in the 3rd cavity 25, sliding outer cover 24 moves up so that cone 22
Move up in insertion space, and anchor fluke 21 is opened laterally；Cone 22 is engaged extruding packing rubber sleeve 23 with sliding outer cover 24,
Set so that packing rubber sleeve 23 opens realization laterally；It is sliding when the pressure in the 4th cavity 26 is less than the pressure in three cavitys
Dynamic overcoat 24 moves down so that packing rubber sleeve 23 shrinks to inner side realizes deblocking so that 22 times removal spaces of cone, and anchor
Pawl 21 is to contract.
It should be noted that the upper and lower part of sliding outer cover 24 and the length of the socket place of the first housing 1 answer long enough,
I.e. when sliding outer cover 24 moves up or down, sliding outer cover 24 will not depart from from the outer wall of the first housing 1, so as to ensure
3rd cavity 25 and the 4th cavity 26 will not connect with lower cavity 4.
In use, when well completing test device is transferred in place, by injecting hydraulic fluid into the 4th cavity 26 so that the 4th chamber
Pressure in body 26 is more than the pressure in the 3rd cavity 25, so that sliding outer cover 24 moves up and drives packing rubber sleeve 23
Together moved up with cone 22, when cone 22 is inserted into the space that the outer wall of the lower end of anchor fluke 21 and the first housing 1 is formed,
The lower end that cone 22 pushes up anchor fluke 21 is opened laterally, realizes grappling；When anchor fluke 21 is opened to a certain extent laterally
（I.e. anchor fluke 21 be bonded with the borehole wall of underground and against when, that is, complete grappling）, cone 22 no longer moves up, now sliding outer cover
24 continue to move up and coordinate compression packing packing element 23 with cone 22 so that packing rubber sleeve 23 opens laterally, so as to realize
Set.
At the end of well completing test, by injecting hydraulic fluid into the 3rd cavity 25 so that the pressure in the 4th cavity 26
Less than the pressure in the 3rd cavity 25 so that sliding outer cover 24 move down and drive packing rubber sleeve 23 and cone 22 together
Move down, now packing rubber sleeve 23 shrinks to inner side realizes deblocking, while 22 times removal spaces of cone, and anchor fluke 21 is inside
Shrink, release grappling.
Packing device 2 uses piston structure, the 3rd chamber that the outer wall by changing the housing 1 of sliding outer cover 24 and first is formed
The pressure of the cavity 26 of body 25 and the 4th, so as to realize that sliding outer cover 24 drives packing rubber sleeve 23, cone 22 and anchor fluke 21 to act,
And realized by packing rubber sleeve 23 and set and unseal, realize that grappling can be also prevented effectively in the generation of well completing test device by anchor fluke 21
Alter；Meanwhile it easily facilitates operation, used, and further optimizes test process.
In present embodiment, the quantity of further anchor fluke 21 is six, and six anchor flukes 21 are uniform around axis annular
On the outer wall of the first housing 1.The grappling performance of anchor fluke 21 can be effectively improved using this design, so as to be well completing test
Device provides sufficient anchorage force, prevents it from being leapt up on occurring.
Second of embodiment, when packing device 2 insulates to underground, when the pressure of underground is smaller, just need not
Use anchoring members.
It should be noted that the packing device 2 provided in present embodiment, its general structure in first embodiment with carrying
The packing device 2 of confession is similar, therefore may be referred to the packing device 2 shown in Fig. 3.
Packing device 2 includes, and is successively set on cone 22 on the outer wall of the first housing 1, packing rubber sleeve axially downward
23 and sliding outer cover 24, cone 22 and the first housing 1 are affixed, packing rubber sleeve 23 and sliding outer cover 24 with first housing
1 is socketed and is slidably matched, the bottom of cone 22 and the top clamping of packing rubber sleeve 23, the bottom of packing rubber sleeve 23 and sliding outer cover
24 top clamping；The outer wall of first housing 1 formed with guide groove 14, the inwall of sliding outer cover 24 to axis extend formed with
The guide protrusions 241 that guide groove is engaged, and guide protrusions 241 are directed to groove 14 and separate and form the 3rd cavity 25 and the 4th
Cavity 26；Wherein, when the pressure in the 4th cavity 26 is more than the pressure in the 3rd cavity 25, sliding outer cover 24 moves up,
Cone 22 is engaged extruding packing rubber sleeve 23 with sliding outer cover 24 so that packing rubber sleeve 23 opens realization and set laterally；When
When pressure in four cavitys 26 is less than the pressure in three cavitys, sliding outer cover 24 moves down so that packing rubber sleeve 23 is to inner side
Shrink and realize deblocking.
It should be noted that the upper and lower part of sliding outer cover 24 and the length of the socket place of the first housing 1 answer long enough,
I.e. when sliding outer cover 24 moves up or down, sliding outer cover 24 will not depart from from the outer wall of the first housing 1, so as to ensure
3rd cavity 25 and the 4th cavity 26 will not connect with lower cavity 4.
In use, when well completing test device is transferred in place, by injecting hydraulic fluid into the 4th cavity 26 so that the 4th chamber
Pressure in body 26 is more than the pressure in the 3rd cavity 25, so that sliding outer cover 24 moves up and drives packing rubber sleeve 23
Together move up and coordinate compression packing packing element 23 with cone 22 so that packing rubber sleeve 23 opens laterally, is sat so as to realize
Envelope.
At the end of well completing test, by injecting hydraulic fluid into the 3rd cavity 25 so that the pressure in the 4th cavity 26
Less than the pressure in the 3rd cavity 25, so that sliding outer cover 24 moves down and drives packing rubber sleeve 23 together to moving down
Dynamic, now packing rubber sleeve 23 shrinks to inner side realizes deblocking.
Packing device 2 uses piston structure, the 3rd chamber that the outer wall by changing the housing 1 of sliding outer cover 24 and first is formed
The pressure of the cavity 26 of body 25 and the 4th, so as to realize that sliding outer cover 24 drives packing rubber sleeve 23 to act, and pass through packing rubber sleeve 23
Realization sets and unsealed, and it easily facilitates operation, used, and further optimizes test process.
In the present embodiment, because well completing test device needs to carry out data transmission with ground, while the electricity in well completing test device
Control part needs ground to be controlled the conveying of signal, therefore is provided with well completing test device for transmitting data and control
Cable.But in test process, have in the first housing 1 gas stream of underground by, therefore in order to ensure the safe and reliable of cable,
The first wire-passing tube 15 for sequentially passing through the first separate layer 51, test piston 53 and slide bar 6 is provided with the first housing 1, and
The bottom of first wire-passing tube 15 is connected with test device 7.It utilizes the first wire-passing tube 15 to place for transmitting data and control
Cable, effectively cable can be played a protective role.
Embodiment three：
As shown in figure 4, a kind of well completing test system is provided in the present embodiment, including pilot controller and above-described embodiment two
Described in well completing test device；Pilot controller includes the second housing 8 with installation cavity, and sets successively axially downward
Put control circuit device 9 and hydraulic oil container 91 in the second housing 8；Wherein, the lower end of the second housing 8 and the first housing 1
Upper end is connected, and control circuit device 9 is connected with test device 7, hydraulic oil container 91 respectively with the first cavity 54, the second cavity 55,
3rd cavity 25 is connected with the 4th cavity 26.
The specific work process and beneficial effect of well completing test device in the well completing test system provided in the present embodiment exist
Fully describe in embodiment two, repeated no more again.
Control circuit device 9 in pilot controller is used to receive the test data in test device 7, while for controlling
Hydraulic oil container 91 carries out the injection of hydraulic fluid to the first cavity 54, the second cavity 55, the 3rd cavity 25 and the 4th cavity 26 respectively
And recovery.Specifically, when hydraulic oil container 91 injects hydraulic fluid into the second cavity 55, test piston 53 moves up and extrudes first
Cavity 54, the hydraulic fluid in the first cavity 54 is back in hydraulic oil container 91, when hydraulic oil container 91 injects into the first cavity 54
During hydraulic fluid, test piston 53 moves down and extrudes the second cavity 55, and the hydraulic fluid in the second cavity 55 is back to hydraulic oil container 91
It is interior；When hydraulic oil container 91 injects hydraulic fluid into the 4th cavity 26, sliding outer cover 24 moves up and extrudes the 3rd cavity 25, and the 3rd
Hydraulic fluid in cavity 25 is back in hydraulic oil container 91, sliding when hydraulic oil container 91 injects hydraulic fluid into the 3rd cavity 25
Dynamic overcoat 24 is moved down and extrudes the 4th cavity 26, and the hydraulic fluid in the 4th cavity 26 is back in hydraulic oil container 91.
The well completing test system provided in the present embodiment, it controls slide bar 6 to be axially moveable by drive device 5 can be real
Existing upper chamber 3 and lower cavity 4 connect or disconnection, that is, realize and drive a well or closing well；Then underground is recorded using test device 7
Pressure behaviour change procedure, so as to complete well completing test, its test process is simple, is easy to use.
In the present embodiment, when going deep into underground due to the second housing 8, the pressure of underground can cause larger to the second housing 8
Pressure, in order to avoid down-hole pressure causes to damage to the second housing 8.
It can be also axially located in the second housing 8 between control circuit device 9 and hydraulic oil container 91 and pressure balance is set
Device 10；Pressure equaliser 10 includes, and extends the 3rd separate layer 101 formed to axis from the inwall of the second housing 8, along axle
Extend the 4th separate layer 102, Yi Jiyan formed to axis to the inwall from the second housing 8 positioned at the lower section of the first separate layer 51
The dummy piston 103 being axially disposed between the 3rd separate layer 101 and the 4th separate layer 102；The top of dummy piston 103 and the
Formed with the 5th cavity 104 between three separate layers 101, formed between the bottom of dummy piston 103 and the 4th separate layer 102
Six cavitys 105；Formed with the through hole 81 connected with the 5th cavity 104 and upper chamber 3, the 6th cavity 105 on second housing 8
It is connected with hydraulic oil container 91.
In use, after well completing test system gos deep into underground, the gas stream in upper chamber 3 is incorporated into by through hole 81
In 5th cavity 104, while hydraulic fluid is injected into the 6th cavity 105 by hydraulic oil container 91, so as to utilize the 6th cavity 105
In hydraulic fluid the cavity 104 of pressure balance the 5th in pressure, and then balance the second housing 8 inside pressure and upper chamber
Pressure between 3, so as to be effectively prevented from being damaged caused by the pressure in upper chamber 3 is excessive so as to the second housing 8.
In the present embodiment, because pilot controller needs to carry out data transmission with well completing test device, while well completing test device
In electric-controlled parts need ground to be controlled the conveying of signal, therefore be perhaps provided with pilot controller for transmitting data
And the cable of control.But in test process, there is the gas stream of underground in the second housing 8 by therefore in order to ensure cable
It is safe and reliable, in the second housing 8 it is axially disposed sequentially pass through the 3rd separate layer 101, dummy piston 103, the 4th point
Second wire-passing tube 82 of interlayer 102 and hydraulic oil container 91, and the upper end of the second wire-passing tube 82 is connected with control circuit device 9,
The lower end of second wire-passing tube 82 is connected with the first wire-passing tube 15.It utilizes the second wire-passing tube 82 to place for transmitting data and control
The cable of system, effectively cable can be played a protective role.
In the present embodiment, because well completing test system is in decentralization process, if the position just position that packing device 2 is set
When the hoop position of down-hole casing, packing can be caused not tight, so as to cause well completing test to be normally carried out.Therefore, may be used also
It is provided for measuring the positioner of setting depth on pilot controller.Specifically, positioner can use magnetic location to fill
Put, determine the setting position of well completing test system by magnetism positioning device in decentralization process, so as to be effectively shielded from sealing
Set every device 2 at collar, and then be effectively guaranteed the progress of well completing test.
Finally it should be noted that：Embodiment of above and embodiment are merely illustrative of the technical solution of the present invention, rather than right
It is limited；Although the present invention is described in detail with reference to aforementioned embodiments and embodiment, the ordinary skill of this area
Personnel should be understood：It can still modify to the technical scheme described in aforementioned embodiments or embodiment, or right
Which part technical characteristic carries out equivalent substitution；And these modifications or replacement, do not make the essence disengaging of appropriate technical solution
The spirit and scope of embodiment of the present invention or embodiment technical scheme.
Claims (10)
1. a kind of well completing test device, including：
It is internally formed the first housing of runner cavity；
Be arranged on first hull outside for the packing device that sets, and the packing device is used to separate underground
Into upper chamber and lower cavity；
The drive device being arranged in the flow passage chamber body and the slide bar being connected with the drive device, the drive device band
The slide bar is moved to be axially moveable；
The test device being arranged in the first shell body, the test device are located at the lower section of the slide bar；
Formed in the bottom of first housing and the inlet that is connected with the runner cavity and the lower cavity, and
Formed and connected positioned at the top of the packing device and with the runner cavity and the upper chamber in first housing
Logical liquid outlet；
Wherein, the slide bar can move up under the drive of the drive device and open the liquid outlet, so as to logical
Cross the runner cavity upper chamber is connected with the lower cavity；
The slide bar can move down under the drive of the drive device and close the liquid outlet, on will be described
Portion's cavity connects disconnection with the lower cavity.
2. well completing test device according to claim 1, it is characterised in that the drive device includes, by the first shell
The inwall of body extends the first separate layer to be formed to axis, be axially located in below first separate layer by the first shell
The inwall of body extends the second separate layer to be formed to axis, and is axially arranged on first separate layer and described second point
Test piston between interlayer, and formed with the first cavity between the top of the test piston and first separate layer,
Formed with the second cavity between the bottom of the test piston and second separate layer；
The top of the slide bar is connected with the bottom of the test piston, and the slide bar passes through described second axially downward
Separate layer is simultaneously extended in the flow passage chamber body；
Wherein, when the pressure in second cavity is more than the pressure in first cavity, the test piston is to moving up
It is dynamic so that the slide bar opens the liquid outlet；
When the pressure in second cavity is less than the pressure in first cavity, the test piston moves down, and makes
The slide bar is obtained to close the liquid outlet.
3. well completing test device according to claim 2, it is characterised in that the packing device includes,
Cone, packing rubber sleeve and the sliding outer cover being successively set on axially downward on the outer wall of first housing, it is described
Cone and first housing are affixed, and the packing rubber sleeve and the sliding outer cover are socketed and slided with first housing and match somebody with somebody
Close, the bottom of the cone and the top clamping of the packing rubber sleeve, the bottom of the packing rubber sleeve and the sliding outer cover
Top clamping；
Formed with guide groove, the inwall of the sliding outer cover extends formed with being led with described the outer wall of first housing to axis
The guide protrusions being engaged to groove, and the guide groove is separated and forms the 3rd cavity and the 4th chamber by the guide protrusions
Body；
Wherein, when the pressure in the 4th cavity is more than the pressure in the 3rd cavity, the sliding outer cover is to moving up
Dynamic, the cone is engaged the extruding packing rubber sleeve with the sliding outer cover so that the packing rubber sleeve opens reality laterally
Now set；
When the pressure in the 4th cavity is less than the pressure in three cavity, the sliding outer cover moves down so that
The packing rubber sleeve shrinks to inner side realizes deblocking.
4. well completing test device according to claim 2, it is characterised in that the packing device includes,
At least three anchor flukes being arranged on the outer wall of first housing, the upper end of the anchor fluke are outer with first housing
Wall is affixed, formed with space between the outer wall of the lower end of the anchor fluke and first housing；
It is slidably matched successively axially downward outside the cone being socketed on the outer wall of first housing, packing rubber sleeve and slip
Set, the bottom of the cone and the top clamping of the packing rubber sleeve, the bottom of the packing rubber sleeve and the sliding outer cover
Top clamping；
Formed with guide groove, the inwall of the sliding outer cover extends formed with being led with described the outer wall of first housing to axis
The guide protrusions being engaged to groove, and the guide groove is separated and forms the 3rd cavity and the 4th chamber by the guide protrusions
Body；
Wherein, when the pressure in the 4th cavity is more than the pressure in the 3rd cavity, the sliding outer cover is to moving up
It is dynamic so that the cone is moved up in the insertion space, and the anchor fluke is opened laterally；The cone and the slip
Overcoat is engaged the extruding packing rubber sleeve so that the packing rubber sleeve opens realization and set laterally；
When the pressure in the 4th cavity is less than the pressure in three cavity, the sliding outer cover moves down so that
The packing rubber sleeve shrinks to inner side realizes deblocking so that the space is removed under the cone, and the anchor fluke is inwardly received
Contracting.
5. well completing test device according to claim 4, it is characterised in that the quantity of the anchor fluke is six, and six
The anchor fluke is distributed on the outer wall of first housing around axis annular.
6. the well completing test device according to claim 3 or 4, it is characterised in that be provided with the first shell body and pass through successively
Wear the first wire-passing tube of first separate layer, the test piston and the slide bar, and the bottom of first wire-passing tube
It is connected with the test device.
7. a kind of well completing test system, including the well completing test device described in pilot controller and the claims 6；
The pilot controller includes the second housing with installation cavity, and is successively set on described second axially downward
Control circuit device and hydraulic oil container in housing；
Wherein, the lower end of second housing is connected with the upper end of first housing, the control circuit device and the survey
Trial assembly put it is connected, the hydraulic oil container respectively with first cavity, second cavity, the 3rd cavity and the described 4th
Cavity is connected.
8. well completing test system according to claim 7, it is characterised in that be axially located in the second shell body described
Pressure equaliser is additionally provided between control circuit device and the hydraulic oil container；
The pressure equaliser includes,
Extend the 3rd separate layer formed to axis from the inwall of second housing, be axially located under first separate layer
The inwall from second housing of side extends the 4th separate layer formed to axis, and is axially arranged on described 3rd point
Dummy piston between interlayer and the 4th separate layer；
Formed with the 5th cavity between the top of the dummy piston and the 3rd separate layer, the bottom of the dummy piston with
Formed with the 6th cavity between 4th separate layer；
Formed with the through hole connected with the 5th cavity and the upper chamber, the 6th cavity on second housing
It is connected with the hydraulic oil container.
9. well completing test system according to claim 8, it is characterised in that in the second shell body it is axially disposed have according to
Secondary the second wire-passing tube through the 3rd separate layer, the dummy piston, the 4th separate layer and the hydraulic oil container, and
And the upper end of second wire-passing tube is connected with the control circuit device, the lower end of second wire-passing tube and first mistake
Spool is connected.
10. the well completing test system according to any one of claim 7 to 9, it is characterised in that on the pilot controller
It is additionally provided with the positioner for measuring setting depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438785.6A CN104453859B (en) | 2013-09-24 | 2013-09-24 | Well completing test device and its system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438785.6A CN104453859B (en) | 2013-09-24 | 2013-09-24 | Well completing test device and its system |
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| CN104453859A CN104453859A (en) | 2015-03-25 |
| CN104453859B true CN104453859B (en) | 2017-12-05 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104912545B (en) * | 2015-06-08 | 2017-09-15 | 河北昆瑞工程技术有限公司 | Packer combines well testing system and method with direct-reading pressure gauge in electric-controlled type oil pipe |
| CN108999587B (en) * | 2017-06-06 | 2020-09-11 | 中石化石油工程技术服务有限公司 | Recoverable automatically controlled hydraulic pressure leather cup instrument of pump sending |
| CN107785816B (en) * | 2017-10-30 | 2024-03-01 | 重庆燕牌电线电缆有限公司 | Cable outer screen head stripper |
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| CN104453859A (en) | 2015-03-25 |
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