CN104453859A - Well completing tester and system thereof - Google Patents
Well completing tester and system thereof Download PDFInfo
- Publication number
- CN104453859A CN104453859A CN201310438785.6A CN201310438785A CN104453859A CN 104453859 A CN104453859 A CN 104453859A CN 201310438785 A CN201310438785 A CN 201310438785A CN 104453859 A CN104453859 A CN 104453859A
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- China
- Prior art keywords
- cavity
- housing
- separate layer
- pressure
- outer cover
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Classifications
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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
Abstract
The invention provides a well completing tester which comprises a first shell, a packing device, a drive device, a sliding rod, a testing device, a liquid inlet and a liquid outlet. A runner cavity is formed in the first shell. The packing device is arranged outside the first shell and used for separating the down-hole portion into an upper cavity and a lower cavity. The drive device and the sliding rod connected with the drive device are arranged in the runner cavity. The drive device drives the sliding rod to move in the axial direction. The testing device is arranged in the first shell and located below the sliding rod. The liquid inlet is formed in the lower portion of the first shell and communicated with the runner cavity and the lower cavity. The liquid outlet is formed in the portion, located above the packing device, of the first shell and communicated with the runner cavity and the upper cavity. The drive device controls the sliding rod to move in the axial direction so that the upper cavity and the lower cavity can be communicated or disconnected to open or close the well; then the testing device is utilized for recording the dynamic change process of the down-hole pressure, so that well completing testing is finished, the testing process is simple, and the tester is convenient to use. The invention further provides a well completing testing system.
Description
Technical field
The present invention relates to a kind of well completing test device and system thereof, belong to well completing test technical field.
Background technology
As everyone knows, well completing test is to the gas stream test job that favourable or possible oil bearing reservoir carries out after completion.Domestic and international existing well completing test technology generally adopts drilling rod or oil pipe conveying well completing test technology, and it is the measuring technology combined multiple testing tool according to test purpose and test zone physical property.
At present, domesticly tubing string conveying-type testing tool is generally used.Such as: annular pressure response (AnnulusPressure Response is called for short APR) measuring technology and multi-current tester (Multi-Flow Evaluator is called for short MFE) measuring technology.The two technique is all coupled together by kit by oil pipe or drilling rod, and under lower going-into-well, the instrument on ground in the face of down-hole controls, thus realizes the object of well completing test.
Wherein, APR measuring technology realizes controlling the various kit in down-hole by suppressing at surface annulus.Concrete, wherein LPR-N valve is the upset being realized its inner ball valve by applied pressure by annulus, pressure release, and then realizes open and close well under control well; RD or RDS valve is crush by applied pressure by annulus the communication that rupture disk realizes oil pipe and ring set, to reach the object that circulation kill-job realizes well control.It is in test process, and LPR-N valve and RD or RDS valve need nitrogen injection, and injection rate will calculate according to operation pressure rank.Therefore make its test process too complicated, be not easy to use.
MFE measuring technology realizes downhole tool by put-on and delegated tubing string to control.Concrete, it passes through tubing string put-on and delegated faced by ground and applies the pressure of the drill, and make its downhole tool inversion mechanism action, testing valve is opened, and realizes down-hole and drives a well.Be completed rear upper lifting pipe post, and transfer, under the effect of inversion mechanism, testing valve is closed, and realizes downhole closing.Because it is in test process, need by hang the system of liter domestic tubing string carried out on carry or transfer, implement so need underground work to coordinate.Therefore make its test process too complicated, be not easy to use.
In sum, in existing well completing test device, it is complicated that ubiquity test process, is not easy to the problem used.
Summary of the invention
For above-mentioned deficiency of the prior art, the object of the present invention is to provide a kind of well completing test device, its test process is simple, easy to use.
The present invention also aims to provide a kind of well completing test system, its test process is simple, easy to use.
A kind of well completing test device provided by the invention, comprising:
Inside is formed with the first housing of runner cavity;
Be arranged on the packing device for setting of described first hull outside, and described packing device is used for down-hole to be separated into upper chamber and lower cavity;
The slide bar being arranged on the drive unit in described runner cavity and being connected with described drive unit, described drive unit drives described slide bar to move vertically;
Be arranged on the testing arrangement in described first housing, described testing arrangement is positioned at the below of described slide bar;
Be formed in the bottom of described first housing and the inlet be all communicated with described lower cavity with described runner cavity, and be formed in the top being positioned at described packing device of described first housing and the liquid outlet be all communicated with described upper chamber with described runner cavity;
Wherein, described slide bar can move up and described liquid outlet be opened under the drive of described drive unit, thus described upper chamber is connected with described lower cavity by described runner cavity;
Described slide bar can move down and described liquid outlet be closed under the drive of described drive unit, thus described upper chamber and described lower cavity be communicated with disconnection.
Optionally, described drive unit comprises, the first separate layer formed to Axis Extension by the inwall of described first housing, be positioned at the second separate layer formed to Axis Extension by the inwall of described first housing below described first separate layer vertically, and the test piston be arranged on vertically between described first separate layer and described second separate layer, and be formed with the first cavity between the top of described test piston and described first separate layer, between the bottom of described test piston and described second separate layer, be formed with the second cavity;
The top of described slide bar is connected with the bottom of described test piston, and described slide bar is passed down through described second separate layer vertically and extends in described runner cavity;
Wherein, when the pressure in described second cavity is greater than the pressure in described first cavity, described test piston moves up, and described liquid outlet is opened by described slide bar;
When the pressure in described second cavity is less than the pressure in described first cavity, described test piston moves down, and described liquid outlet is closed by described slide bar.
Optionally, described packing device comprises,
Be successively set on cone, packing rubber sleeve and the sliding outer cover on the outer wall of described first housing vertically downwards, described cone and described first housing affixed, described packing rubber sleeve and described sliding outer cover are all socketed with described first housing and are slidably matched, the bottom of described cone and the top clamping of described packing rubber sleeve, the bottom of described packing rubber sleeve and the top clamping of described sliding outer cover;
The outer wall of described first housing is formed with gathering sill, and the inwall of described sliding outer cover is formed with the guide protrusions matched with described gathering sill to Axis Extension, and described gathering sill is separated and formed the 3rd cavity and the 4th cavity by described guide protrusions;
Wherein, when the pressure in described 4th cavity is greater than the pressure in described 3rd cavity, described sliding outer cover moves up, and described cone matches with described sliding outer cover and extrudes described packing rubber sleeve, makes described packing rubber sleeve open realization laterally and sets;
When the pressure in described 4th cavity is less than the pressure in described three cavitys, described sliding outer cover moves down, and described packing rubber sleeve is shunk to the inside and realizes deblocking.
Optionally, described packing device comprises,
Be arranged at least three anchor flukes on the outer wall of described first housing, the upper end of described anchor fluke and the outer wall of described first housing affixed, be formed with space between the lower end of described anchor fluke and the outer wall of described first housing;
The cone, packing rubber sleeve and the sliding outer cover that are slidably matched successively on the outer wall being socketed in described first housing downwards vertically, the bottom of described cone and the top clamping of described packing rubber sleeve, the bottom of described packing rubber sleeve and the top clamping of described sliding outer cover;
The outer wall of described first housing is formed with gathering sill, and the inwall of described sliding outer cover is formed with the guide protrusions matched with described gathering sill to Axis Extension, and described gathering sill is separated and formed the 3rd cavity and the 4th cavity by described guide protrusions;
Wherein, when the pressure in described 4th cavity is greater than the pressure in described 3rd cavity, described sliding outer cover moves up, and makes described cone is moved to insert in described space, and is opened laterally by described anchor fluke; Described cone matches with described sliding outer cover and extrudes described packing rubber sleeve, makes described packing rubber sleeve open realization laterally and sets;
When the pressure in described 4th cavity is less than the pressure in described three cavitys, described sliding outer cover moves down, and described packing rubber sleeve is shunk to the inside and realizes deblocking, shift out described space under making described cone, and described anchor fluke inwardly shrinks.
Optionally, the quantity of described anchor fluke is six, and six described anchor flukes are distributed on the outer wall of described first housing around axis annular.
Optionally, be provided with the first wire-passing tube running through described first separate layer, described test piston and described slide bar successively in described first housing, and the bottom of described first wire-passing tube is connected with described testing arrangement.
A kind of well completing test system provided by the invention, comprises pilot controller and above-mentioned well completing test device;
Described pilot controller comprises having installs the second housing of cavity, and the control circuit device be successively set on downwards vertically in described second housing and hydraulic oil container;
Wherein, the lower end of described second housing is connected with the upper end of described first housing, described control circuit device is connected with described testing arrangement, and described hydraulic oil container is connected with described 4th cavity with described first cavity, described second cavity, described 3rd cavity respectively.
Optionally, between described control circuit device and described hydraulic oil container, also pressure equaliser is provided with vertically in described second housing;
Described pressure equaliser comprises,
The 3rd separate layer formed to Axis Extension by the inwall of described second housing, be positioned at the 4th separate layer formed to Axis Extension by the inwall of described second housing below described first separate layer vertically, and be arranged on the dummy piston between described 3rd separate layer and described 4th separate layer vertically;
Be formed with the 5th cavity between the top of described dummy piston and described 3rd separate layer, between the bottom of described dummy piston and described 4th separate layer, be formed with the 6th cavity;
Described second housing is formed with the through hole be all communicated with described upper chamber with described 5th cavity, described 6th cavity is connected with described hydraulic oil container.
Optionally, the second wire-passing tube running through described 3rd separate layer, described dummy piston, described 4th separate layer and described hydraulic oil container is successively provided with vertically in described second housing, and the upper end of described second wire-passing tube is connected with described control circuit device, the lower end of described second wire-passing tube is connected with described first wire-passing tube.
Optionally, described pilot controller is also provided with the positioner for measuring setting depth.
Compared with prior art, well completing test device provided by the invention, it controls slide bar movement vertically by drive unit can realize being communicated with or disconnection of upper chamber and lower cavity, namely realizes driving a well or closing well; Then utilize testing arrangement record down-hole pressure dynamic changing process, thus complete well completing test, its test process is simple, easy to use.
In further technical scheme, drive unit adopts piston structure, by changing the pressure of test top land and bottom, thus realizes the control testing piston and is with moving slide-bar to move vertically, further simplify test process, more easy to use.
In further technical scheme, packing device adopts piston structure, pressure in the 3rd cavity formed by the outer wall changing sliding outer cover and the first housing and in the 4th cavity, thus realize the action of sliding outer cover drive packing rubber sleeve, and realize setting and deblocking by packing rubber sleeve, it is convenient operation, use more, optimizes test process further.
In further technical scheme, packing device adopts piston structure, the 3rd cavity formed by the outer wall changing sliding outer cover and the first housing and the pressure of the 4th cavity, thus realize sliding outer cover drive packing rubber sleeve, cone and anchor fluke action, and realize setting and deblocking by packing rubber sleeve, realize grappling by anchor fluke and effectively prevent well completing test device from occurring to alter; Meanwhile, it is convenient operation, use more, optimizes test process further.
In further technical scheme, the quantity of anchor fluke is six, and annular is distributed on the outer wall of the first housing, thus effectively improves the grappling performance of anchor fluke, for well completing test device provides sufficient anchorage force, prevents it from occurring to leap up.
In further technical scheme, being provided with the cable of the first wire-passing tube placement for transmitting data and control in the first housing, utilizing the first wire-passing tube can play a protective role to cable.
Compared with prior art, well completing test system provided by the invention, it controls slide bar movement vertically by drive unit can realize being communicated with or disconnection of upper chamber and lower cavity, namely realizes driving a well or closing well; Then utilize testing arrangement record down-hole pressure dynamic changing process, thus complete well completing test, its test process is simple, easy to use.
In further technical scheme, in the second housing, pressure equaliser being set, for balancing the pressure between the pressure of the second enclosure interior and upper chamber, thus effectively avoiding because the pressure in upper chamber is excessive thus cause damage to the second housing.
In further technical scheme, in the second housing, be provided with the second wire-passing tube, for placing the cable of transmission data and control, and be connected with the first wire-passing tube, utilize the second wire-passing tube can play a protective role to cable.
In further technical scheme, pilot controller is provided with positioner, is determined the degree of depth set by positioner, avoid well completing test device to set in collar position simultaneously.
Above-mentioned technical characteristic various applicable mode can combine or substituted by the technical characteristic of equivalence, as long as can reach object of the present invention.
Accompanying drawing explanation
Also with reference to accompanying drawing, the present invention is described in more detail based on being only non-limiting embodiment hereinafter.Wherein:
The working state structure schematic diagram that drives a well of the well completing test device that Fig. 1 provides for the embodiment of the present invention one;
The closing well working state structure schematic diagram of the well completing test device that Fig. 2 provides for the embodiment of the present invention one;
The structural representation of the well completing test device that Fig. 3 provides for the embodiment of the present invention two;
The structural representation of the well completing test system that Fig. 4 provides for the embodiment of the present invention three.
Accompanying drawing illustrates:
1-first housing, 11-runner cavity, 12-inlet, 13-liquid outlet, 14-gathering sill, 15-first wire-passing tube;
2-packing device, 21-anchor fluke, 22-cone, 23-packing rubber sleeve,
24-sliding outer cover, 241-guide protrusions,
25-the 3rd cavity, 26-the 4th cavity;
3-upper chamber; 4-lower cavity;
5-drive unit, 51-first separate layer, 52-second separate layer, 53-tests piston, 54-first cavity, 55-second cavity;
6-slide bar; 7-testing arrangement;
8-second housing, 81-through hole, 82-second wire-passing tube;
9-control circuit device, 91-hydraulic oil container;
10-pressure equaliser, 101-the 3rd separate layer, 102-the 4th separate layer, 103-dummy piston, 104-the 5th cavity, 105-the 6th cavity.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly; clear, complete description is carried out below by technical scheme of the present invention; based on the detailed description of the invention in the present invention; other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
Before description detailed description of the invention, first following restriction is done to the directionality name occurred in the present invention:
The axis of well completing test device is the axis of drilling well; Part near ground is top, and the part away from ground is bottom; The direction on close ground is top, and the direction away from ground is below; One end on close ground is top, and the end away from ground is bottom; The side of close 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, comprising: inside is formed with the first housing 1 of runner cavity 11; Be arranged on the packing device 2 for setting of the first housing 1 outside, and packing device 2 is for being separated into upper chamber 3 and lower cavity 4 by down-hole; The slide bar 6 being arranged on the drive unit 5 in runner cavity 11 and being connected with drive unit 5, drive unit 5 is with moving slide-bar 6 to move vertically; Be arranged on the testing arrangement 7 in the first housing 1, testing arrangement 7 is positioned at the below of slide bar 6; Be formed in the bottom of the first housing 1 and the inlet 12 be all communicated with runner cavity 11 and lower cavity 4, and be formed in the top being positioned at packing device 2 of the first housing 1 and the liquid outlet 13 be all communicated with runner cavity 11 and upper chamber 3; Wherein, slide bar 6 can move up and liquid outlet 13 be opened under the drive of drive unit 5, thus upper chamber 3 is connected with lower cavity 4 by runner cavity 11; Slide bar 6 can move down and liquid outlet 13 be closed under the drive of drive unit 5, thus upper chamber 3 and lower cavity 4 be communicated with disconnection.
For the ease of understanding, the course of work below with regard to this well completing test device is described:
As shown in Figure 1, when carrying out well completing test, transfer to down-hole by well completing test device entirety, now liquid outlet 13 is closed by slide bar 6, and the gas stream in lower cavity 4 is entered in runner cavity 11 by inlet 12.
Time below well completing test device to MTD, control packing device 2 and open, make packing device 2 and the borehole wall fit and down-hole is separated into upper chamber 3 and lower cavity 4, thus realize setting.
After having set, as shown in Figure 2, moving slide-bar 6 is with to move up by accessory drive 5, liquid outlet 13 is opened, gas stream simultaneously in lower cavity 4 by liquid outlet 13 by entering in upper chamber 3 in runner cavity 11, testing arrangement 7 is tested, thus realizes driving a well and carrying out well completing test.
After well completing test terminates, as shown in Figure 1, be with moving slide-bar 6 to move down by accessory drive 5, liquid outlet 13 is closed, lower cavity 4 disconnected with being communicated with of upper chamber 3 simultaneously, thus realized closing well.
Finally, control packing device 2 and close, packing device 2 and the borehole wall are departed from, thus realizes deblocking.
The well completing test device provided in the present embodiment, it controls slide bar 6 movement vertically by drive unit 5 can realize being communicated with or disconnection of upper chamber 3 and lower cavity 4, namely realizes driving a well or closing well; Then utilize testing arrangement 7 to record down-hole pressure dynamic changing process, thus complete well completing test, its test process is simple, easy to use.
Embodiment two:
As shown in Figure 3, the well completing test device provided in the present embodiment, comprising: inside is formed with the first housing 1 of runner cavity 11; Be arranged on the packing device 2 for setting of the first housing 1 outside, and packing device 2 is for being separated into down-hole after dotted portion represents that packing device 2 in opened condition in upper chamber 3 and lower cavity 4(figure, the state after fitting with the borehole wall); The slide bar 6 being arranged on the drive unit 5 in runner cavity 11 and being connected with drive unit 5, drive unit 5 is with moving slide-bar 6 to move vertically; Be arranged on the testing arrangement 7 in the first housing 1, testing arrangement 7 is positioned at the below of slide bar 6; The bottom of the first housing 1 is formed with the top that inlet 12, first housing 1 be all communicated with runner cavity 11 and lower cavity 4 is positioned at packing device 2 and is formed with the liquid outlet 13 be all communicated with runner cavity 11 and upper chamber 3.
Wherein, drive unit 5 comprises: the first separate layer 51 formed to Axis Extension by the inwall of the first housing 1, be positioned at the second separate layer 52 formed to Axis Extension by the inwall of the first housing 1 below the first separate layer 51 vertically, and the test piston 53 be arranged on vertically between the first separate layer 51 and the second separate layer 52, and test between the top of piston 53 and the first separate layer 51 and be formed with the first cavity 54, between the bottom of test piston 53 and the second separate layer 52, be formed with the second cavity 55.
The top of further slide bar 6 is connected with the bottom of test piston 53, and slide bar 6 is passed down through the second separate layer 52 vertically and extends in runner cavity 11.
Wherein, when the pressure in the second cavity 55 is greater than the pressure in the first cavity 54, test piston 53 moves up, and liquid outlet 13 is opened by slide bar 6, and upper chamber 3 is connected with lower cavity 4 by runner cavity 11; When the pressure in the second cavity 55 is less than the pressure in described first cavity 54, test piston 53 moves down, and liquid outlet 13 is closed by slide bar 6 and upper chamber 3 and lower cavity 4 be communicated with disconnection.
For the ease of understanding, the course of work below with regard to this well completing test device is described:
When carrying out well completing test, transfer to down-hole by well completing test device entirety, now liquid outlet 13 is closed by slide bar 6, and the gas stream in lower cavity 4 is entered in runner cavity 11 by inlet 12.
Time below well completing test device to MTD, control packing device 2 and open, make packing device 2 and the borehole wall fit and down-hole is separated into upper chamber 3 and lower cavity 4, thus realize setting.
After having set, by to injection liquid hydraulic fluid in the second cavity 55, the pressure in the second cavity 55 is made to be greater than pressure in the first cavity 54, thus make test piston 53 move up and be with moving slide-bar 6 to move up, liquid outlet 13 is opened, gas stream simultaneously in lower cavity 4 is by liquid outlet 13 by entering in upper chamber 3 in runner cavity 11, testing arrangement 7 is tested, thus realizes driving a well and carrying out well completing test.
After well completing test terminates, by to injection liquid hydraulic fluid in the first cavity 54, the pressure in the second cavity 55 is made to be less than pressure in the first cavity 54, thus make test piston 53 move down and be with moving slide-bar 6 to move down, liquid outlet 13 is closed, lower cavity 4 disconnected with being communicated with of upper chamber 3 simultaneously, thus realized closing well.
Finally, control packing device 2 and close, packing device 2 and the borehole wall are departed from, thus realizes deblocking.
The well completing test device provided in the present embodiment, its drive unit 5 adopts piston structure, by changing the pressure of test piston 53 top and bottom, thus the control realized test piston 53, then be with moving slide-bar 6 move vertically and realize being communicated with or disconnection of upper chamber 3 and lower cavity 4, namely realize driving a well or closing well; Then utilize testing arrangement 7 to record down-hole pressure dynamic changing process, thus complete well completing test, its test process is simple, easy to use.
In the present embodiment, because packing device 2 needs to carry out packing to formation testing in well completing test process, namely by packing device 2, down-hole is separated into upper chamber 3 and lower cavity 4, therefore the reliability of packing device 2 is most important.For this reason, the detailed description of the invention of two kinds of packaging systems is provided in the present embodiment.
The first embodiment, when packing is carried out in packing device 2 pairs of down-holes, packing device 2 can be subject to the larger pressure in down-hole, if pressure crosses conference, well completing test device entirety is moved up, and then cause the damage that damages packing device 2 or cause the cable dish in well completing test device, block, be wound around and even fracture, anchoring members should be added in packing device 2 for this reason.
For this reason, as shown in Figure 3, packing device 2 comprises, and is arranged at least three anchor flukes 21 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 affixed, be formed with space between the lower end of anchor fluke 21 and the outer wall of the first housing 1; The cone 22, packing rubber sleeve 23 and the sliding outer cover 24 that are slidably matched successively on the outer wall being socketed in the first housing 1 downwards vertically, the bottom of cone 22 and the top clamping of packing rubber sleeve 23, the bottom of packing rubber sleeve 23 and the top clamping of sliding outer cover 24; The outer wall of the first housing 1 is formed with gathering sill 14, and the inwall of sliding outer cover 24 is formed with the guide protrusions 241 matched with gathering sill to Axis Extension, and gathering sill 14 is separated and formed the 3rd cavity 25 and the 4th cavity 26 by guide protrusions 241; Wherein, when the pressure in the 4th cavity 26 is greater than the pressure in the 3rd cavity 25, sliding outer cover 24 moves up, and makes cone 22 is moved to insert in space, and is opened laterally by anchor fluke 21; Cone 22 matches with sliding outer cover 24 and extrudes packing rubber sleeve 23, makes packing rubber sleeve 23 open realization laterally and sets; When the pressure in the 4th cavity 26 is less than the pressure in three cavitys, sliding outer cover 24 moves down, and packing rubber sleeve 23 is shunk to the inside and realizes deblocking, make cone 22 move down out space, and anchor fluke 21 inwardly shrinks.
It should be noted that, the length of the upper and lower of sliding outer cover 24 and the socket place of the first housing 1 answers long enough, namely when sliding outer cover 24 moves up or down, sliding outer cover 24 can not depart from from the outer wall of the first housing 1, thus ensures that the 3rd cavity 25 can not be communicated with lower cavity 4 with the 4th cavity 26.
During use, when well completing test device transfer put in place time, by to injection liquid hydraulic fluid in the 4th cavity 26, the pressure in the 4th cavity 26 is made to be greater than pressure in the 3rd cavity 25, thus sliding outer cover 24 is moved up and drives packing rubber sleeve 23 and cone 22 together to move up, when in the space that the outer wall of lower end and the first housing 1 that cone 22 is inserted into anchor fluke 21 is formed, the lower end of cone 22 upwardly anchor fluke 21 is opened laterally, realizes grappling; When anchor fluke 21 is opened to a certain degree laterally (anchor fluke 21 and the borehole wall of down-hole fit and against time, namely grappling is completed), cone 22 no longer moves up, now sliding outer cover 24 continues to move up and coordinates compression packing packing element 23 with cone 22, packing rubber sleeve 23 is opened laterally, thus realizes setting.
At the end of well completing test, by to injection liquid hydraulic fluid in the 3rd cavity 25, the pressure in the 4th cavity 26 is made to be less than pressure in the 3rd cavity 25, thus sliding outer cover 24 is moved down and drives packing rubber sleeve 23 and cone 22 together to move down, now packing rubber sleeve 23 shrinks to the inside and realizes deblocking, cone 22 moves down out space simultaneously, and anchor fluke 21 inwardly shrinks, and removes grappling.
Packing device 2 adopts piston structure, the 3rd cavity 25 formed by the outer wall changing sliding outer cover 24 and the first housing 1 and the pressure of the 4th cavity 26, thus realize sliding outer cover 24 and drive packing rubber sleeve 23, cone 22 and anchor fluke 21 action, and realize setting and deblocking by packing rubber sleeve 23, realize grappling by anchor fluke 21 and also can effectively prevent well completing test device from occurring to alter; Meanwhile, it is convenient operation, use more, optimizes test process further.
In present embodiment, the quantity of further anchor fluke 21 is six, and six anchor flukes 21 are distributed on the outer wall of the first housing 1 around axis annular.Adopt this design effectively can improve the grappling performance of anchor fluke 21, thus provide sufficient anchorage force for well completing test device, prevent it from occurring to leap up.
The second embodiment, when packing is carried out in packing device 2 pairs of down-holes, when the pressure of down-hole is less, just need not use anchoring members.
It should be noted that, the packing device 2 provided in present embodiment, the packing device 2 provided in its general structure and the first embodiment is similar, therefore can the packing device 2 shown in reference diagram 3.
Packing device 2 comprises, be successively set on the cone 22 on the outer wall of the first housing 1, packing rubber sleeve 23 and sliding outer cover 24 vertically downwards, cone 22 and the first housing 1 affixed, packing rubber sleeve 23 and sliding outer cover 24 are all socketed with described first housing 1 and are slidably matched, the bottom of cone 22 and the top clamping of packing rubber sleeve 23, the bottom of packing rubber sleeve 23 and the top clamping of sliding outer cover 24; The outer wall of the first housing 1 is formed with gathering sill 14, and the inwall of sliding outer cover 24 is formed with the guide protrusions 241 matched with gathering sill to Axis Extension, and gathering sill 14 is separated and formed the 3rd cavity 25 and the 4th cavity 26 by guide protrusions 241; Wherein, when the pressure in the 4th cavity 26 is greater than the pressure in the 3rd cavity 25, sliding outer cover 24 moves up, and cone 22 matches with sliding outer cover 24 and extrudes packing rubber sleeve 23, makes packing rubber sleeve 23 open realization laterally and sets; When the pressure in the 4th cavity 26 is less than the pressure in three cavitys, sliding outer cover 24 moves down, and packing rubber sleeve 23 is shunk to the inside and realizes deblocking.
It should be noted that, the length of the upper and lower of sliding outer cover 24 and the socket place of the first housing 1 answers long enough, namely when sliding outer cover 24 moves up or down, sliding outer cover 24 can not depart from from the outer wall of the first housing 1, thus ensures that the 3rd cavity 25 can not be communicated with lower cavity 4 with the 4th cavity 26.
During use, when well completing test device transfer put in place time, by to injection liquid hydraulic fluid in the 4th cavity 26, the pressure in the 4th cavity 26 is made to be greater than pressure in the 3rd cavity 25, thus sliding outer cover 24 is moved up and drives packing rubber sleeve 23 together to move up and coordinate compression packing packing element 23 with cone 22, packing rubber sleeve 23 is opened laterally, thus realizes setting.
At the end of well completing test, by to injection liquid hydraulic fluid in the 3rd cavity 25, the pressure in the 4th cavity 26 is made to be less than pressure in the 3rd cavity 25, thus sliding outer cover 24 is moved down and drives packing rubber sleeve 23 together to move down, now packing rubber sleeve 23 shrinks to the inside and realizes deblocking.
Packing device 2 adopts piston structure, the 3rd cavity 25 formed by the outer wall changing sliding outer cover 24 and the first housing 1 and the pressure of the 4th cavity 26, thus realize sliding outer cover 24 and drive packing rubber sleeve 23 action, and realize setting and deblocking by packing rubber sleeve 23, it is convenient operation, use more, optimizes test process further.
In the present embodiment, because well completing test device needs to carry out data transmission with ground, the electric-controlled parts in the device of well completing test simultaneously needs ground to carry out the conveying of control signal, is therefore provided with the cable for transmitting data and control in well completing test device.But in test process, the gas stream of down-hole is had to pass through in first housing 1, therefore in order to ensure the safe and reliable of cable, in the first housing 1, be provided with the first wire-passing tube 15 running through the first separate layer 51, test piston 53 and slide bar 6 successively, and the bottom of the first wire-passing tube 15 is connected with testing arrangement 7.It utilizes the first wire-passing tube 15 to place cable for transmitting data and control, can effectively play a protective role to cable.
Embodiment three:
As shown in Figure 4, in the present embodiment, provide a kind of well completing test system, comprise pilot controller and the well completing test device described in above-described embodiment two; Pilot controller comprises having installs the second housing 8 of cavity, and the control circuit device 9 be successively set on downwards vertically in the second housing 8 and hydraulic oil container 91; Wherein, the lower end of the second housing 8 is connected with the upper end of the first housing 1, and control circuit device 9 is connected with testing arrangement 7, and hydraulic oil container 91 is connected with the 4th cavity 26 with the first cavity 54, second cavity 55, the 3rd cavity 25 respectively.
Specific works process and the beneficial effect of the well completing test device in the well completing test system provided in the present embodiment have done abundant description in embodiment two, again repeat no more.
Control circuit device 9 in pilot controller, for receiving the test data in testing arrangement 7, carries out injection and the recovery of hydraulic fluid simultaneously respectively to the first cavity 54, second cavity 55, the 3rd cavity 25 and the 4th cavity 26 for hydraulic control fuel tank 91.Concrete, when hydraulic oil container 91 is in the second cavity 55 during injection liquid hydraulic fluid, test piston 53 moves and extrudes the first cavity 54, hydraulic fluid in first cavity 54 is back in hydraulic oil container 91, when hydraulic oil container 91 is in the first cavity 54 during injection liquid hydraulic fluid, test piston 53 moves down and the hydraulic fluid extruded in the second cavity 55, second cavity 55 is back in hydraulic oil container 91; When hydraulic oil container 91 is in the 4th cavity 26 during injection liquid hydraulic fluid, sliding outer cover 24 moves and extrudes the 3rd cavity 25, hydraulic fluid in 3rd cavity 25 is back in hydraulic oil container 91, when hydraulic oil container 91 is in the 3rd cavity 25 during injection liquid hydraulic fluid, sliding outer cover 24 moves down and the hydraulic fluid extruded in the 4th cavity the 26, four cavity 26 is back in hydraulic oil container 91.
The well completing test system provided in the present embodiment, it controls slide bar 6 movement vertically by drive unit 5 can realize being communicated with or disconnection of upper chamber 3 and lower cavity 4, namely realizes driving a well or closing well; Then utilize testing arrangement 7 to record down-hole pressure dynamic changing process, thus complete well completing test, its test process is simple, easy to use.
In the present embodiment, due to the second housing 8 go deep into down-hole time, the pressure of down-hole can cause larger pressure to the second housing 8, in order to avoid down-hole pressure causes damage to the second housing 8.
Also in the second housing 8, vertically pressure equaliser 10 can be set between control circuit device 9 and hydraulic oil container 91; Pressure equaliser 10 comprises, the 3rd separate layer 101 formed to Axis Extension by the inwall of the second housing 8, be positioned at the 4th separate layer 102 formed to Axis Extension by the inwall of the second housing 8 below the first separate layer 51 vertically, and be arranged on the dummy piston 103 between the 3rd separate layer 101 and the 4th separate layer 102 vertically; Be formed with the 5th cavity 104 between the top of dummy piston 103 and the 3rd separate layer 101, between the bottom of dummy piston 103 and the 4th separate layer 102, be formed with the 6th cavity 105; Second housing 8 is formed with through hole the 81, six cavity 105 be all communicated with the 5th cavity 104 and upper chamber 3 to be connected with hydraulic oil container 91.
During use, after well completing test system gos deep into down-hole, by through hole 81, the gas stream in upper chamber 3 is incorporated in the 5th cavity 104, pass through hydraulic oil container 91 to injection liquid hydraulic fluid in the 6th cavity 105 simultaneously, thus utilize the pressure in pressure balance the 5th cavity 104 of the hydraulic fluid in the 6th cavity 105, and then the pressure between the balance pressure of the second housing 8 inside and upper chamber 3, thus effectively avoid because the pressure in upper chamber 3 is excessive thus cause damage to the second housing 8.
In the present embodiment, because pilot controller needs to carry out data transmission with well completing test device, electric-controlled parts in the device of well completing test simultaneously needs ground to carry out the conveying of control signal, is therefore perhaps provided with the cable for transmitting data and control in pilot controller.But in test process, the gas stream of down-hole is had to pass through in second housing 8, therefore in order to ensure the safe and reliable of cable, the second wire-passing tube 82 running through the 3rd separate layer 101, dummy piston 103, the 4th separate layer 102 and hydraulic oil container 91 is successively provided with vertically in the second housing 8, and the upper end of the second wire-passing tube 82 is connected with control circuit device 9, the lower end of the second wire-passing tube 82 is connected with the first wire-passing tube 15.It utilizes the second wire-passing tube 82 to place cable for transmitting data and control, can effectively play a protective role to cable.
In the present embodiment, because well completing test system is in decentralization process, if when the position that packing device 2 sets just is positioned at the joint hoop position of down-hole casing, packing can be caused not tight, thus cause well completing test normally not carry out.For this reason, the positioner for measuring setting depth also can be set on pilot controller.Concrete, positioner can adopt magnetism positioning device, in decentralization process, determined the setting position of well completing test system by magnetism positioning device, thus effectively avoid packing device 2 and set at collar place, and then effectively ensure that the carrying out of well completing test.
Last it is noted that above embodiment and embodiment are only in order to illustrate technical scheme of the present invention, be not intended to limit; Although reference aforementioned embodiments and embodiment are to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in aforementioned embodiments or embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention or embodiment technical scheme.
Claims (10)
1. a well completing test device, comprising:
Inside is formed with the first housing of runner cavity;
Be arranged on the packing device for setting of described first hull outside, and described packing device is used for down-hole to be separated into upper chamber and lower cavity;
The slide bar being arranged on the drive unit in described runner cavity and being connected with described drive unit, described drive unit drives described slide bar to move vertically;
Be arranged on the testing arrangement in described first housing, described testing arrangement is positioned at the below of described slide bar;
Be formed in the bottom of described first housing and the inlet be all communicated with described lower cavity with described runner cavity, and be formed in the top being positioned at described packing device of described first housing and the liquid outlet be all communicated with described upper chamber with described runner cavity;
Wherein, described slide bar can move up and described liquid outlet be opened under the drive of described drive unit, thus described upper chamber is connected with described lower cavity by described runner cavity;
Described slide bar can move down and described liquid outlet be closed under the drive of described drive unit, thus described upper chamber and described lower cavity be communicated with disconnection.
2. well completing test device according to claim 1, it is characterized in that, described drive unit comprises, the first separate layer formed to Axis Extension by the inwall of described first housing, be positioned at the second separate layer formed to Axis Extension by the inwall of described first housing below described first separate layer vertically, and the test piston be arranged on vertically between described first separate layer and described second separate layer, and be formed with the first cavity between the top of described test piston and described first separate layer, the second cavity is formed between the bottom of described test piston and described second separate layer,
The top of described slide bar is connected with the bottom of described test piston, and described slide bar is passed down through described second separate layer vertically and extends in described runner cavity;
Wherein, when the pressure in described second cavity is greater than the pressure in described first cavity, described test piston moves up, and described liquid outlet is opened by described slide bar;
When the pressure in described second cavity is less than the pressure in described first cavity, described test piston moves down, and described liquid outlet is closed by described slide bar.
3. well completing test device according to claim 1 and 2, it is characterized in that, described packing device comprises, be successively set on cone, packing rubber sleeve and the sliding outer cover on the outer wall of described first housing vertically downwards, described cone and described first housing affixed, described packing rubber sleeve and described sliding outer cover are all socketed with described first housing and are slidably matched, the bottom of described cone and the top clamping of described packing rubber sleeve, the bottom of described packing rubber sleeve and the top clamping of described sliding outer cover;
The outer wall of described first housing is formed with gathering sill, and the inwall of described sliding outer cover is formed with the guide protrusions matched with described gathering sill to Axis Extension, and described gathering sill is separated and formed the 3rd cavity and the 4th cavity by described guide protrusions;
Wherein, when the pressure in described 4th cavity is greater than the pressure in described 3rd cavity, described sliding outer cover moves up, and described cone matches with described sliding outer cover and extrudes described packing rubber sleeve, makes described packing rubber sleeve open realization laterally and sets;
When the pressure in described 4th cavity is less than the pressure in described three cavitys, described sliding outer cover moves down, and described packing rubber sleeve is shunk to the inside and realizes deblocking.
4. well completing test device according to claim 1 and 2, is characterized in that, described packing device comprises,
Be arranged at least three anchor flukes on the outer wall of described first housing, the upper end of described anchor fluke and the outer wall of described first housing affixed, be formed with space between the lower end of described anchor fluke and the outer wall of described first housing;
The cone, packing rubber sleeve and the sliding outer cover that are slidably matched successively on the outer wall being socketed in described first housing downwards vertically, the bottom of described cone and the top clamping of described packing rubber sleeve, the bottom of described packing rubber sleeve and the top clamping of described sliding outer cover;
The outer wall of described first housing is formed with gathering sill, and the inwall of described sliding outer cover is formed with the guide protrusions matched with described gathering sill to Axis Extension, and described gathering sill is separated and formed the 3rd cavity and the 4th cavity by described guide protrusions;
Wherein, when the pressure in described 4th cavity is greater than the pressure in described 3rd cavity, described sliding outer cover moves up, and makes described cone is moved to insert in described space, and is opened laterally by described anchor fluke; Described cone matches with described sliding outer cover and extrudes described packing rubber sleeve, makes described packing rubber sleeve open realization laterally and sets;
When the pressure in described 4th cavity is less than the pressure in described three cavitys, described sliding outer cover moves down, and described packing rubber sleeve is shunk to the inside and realizes deblocking, shift out described space under making described cone, and described anchor fluke inwardly shrinks.
5. well completing test device according to claim 4, is characterized in that, the quantity of described anchor fluke is six, and six described anchor flukes are distributed on the outer wall of described first housing around axis annular.
6. the well completing test device according to any one of claim 1 to 5, it is characterized in that, be provided with the first wire-passing tube running through described first separate layer, described test piston and described slide bar successively in described first housing, and the bottom of described first wire-passing tube is connected with described testing arrangement.
7. a well completing test system, comprises pilot controller and the well completing test device described in the claims 6;
Described pilot controller comprises having installs the second housing of cavity, and the control circuit device be successively set on downwards vertically in described second housing and hydraulic oil container;
Wherein, the lower end of described second housing is connected with the upper end of described first housing, described control circuit device is connected with described testing arrangement, and described hydraulic oil container is connected with described 4th cavity with described first cavity, described second cavity, described 3rd cavity respectively.
8. well completing test system according to claim 7, is characterized in that, is also provided with pressure equaliser vertically in described second housing between described control circuit device and described hydraulic oil container;
Described pressure equaliser comprises,
The 3rd separate layer formed to Axis Extension by the inwall of described second housing, be positioned at the 4th separate layer formed to Axis Extension by the inwall of described second housing below described first separate layer vertically, and be arranged on the dummy piston between described 3rd separate layer and described 4th separate layer vertically;
Be formed with the 5th cavity between the top of described dummy piston and described 3rd separate layer, between the bottom of described dummy piston and described 4th separate layer, be formed with the 6th cavity;
Described second housing is formed with the through hole be all communicated with described upper chamber with described 5th cavity, described 6th cavity is connected with described hydraulic oil container.
9. well completing test system according to claim 8, it is characterized in that, the second wire-passing tube running through described 3rd separate layer, described dummy piston, described 4th separate layer and described hydraulic oil container is successively provided with vertically in described second housing, and the upper end of described second wire-passing tube is connected with described control circuit device, the lower end of described second wire-passing tube is connected with described first wire-passing tube.
10. the well completing test system according to any one of claim 7 to 9, is characterized in that, described pilot controller is also provided with the positioner for measuring setting depth.
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| CN201310438785.6A CN104453859B (en) | 2013-09-24 | 2013-09-24 | Well completing test device and its system |
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