CN107524426A - Fill tubing string and placement method - Google Patents
Fill tubing string and placement method Download PDFInfo
- Publication number
- CN107524426A CN107524426A CN201710819282.1A CN201710819282A CN107524426A CN 107524426 A CN107524426 A CN 107524426A CN 201710819282 A CN201710819282 A CN 201710819282A CN 107524426 A CN107524426 A CN 107524426A
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- China
- Prior art keywords
- tubing string
- filling
- setting
- central tube
- inner tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000012856 packing Methods 0.000 claims abstract description 38
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 210000000078 claw Anatomy 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/04—Gravelling of wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Pipe Accessories (AREA)
Abstract
Disclosed herein is one kind filling tubing string and placement method, filling tubing string includes outer tubing string and interior tubing string, and interior tubing string is arranged in outer tubing string；Outer tubing string includes being sequentially connected the top packer connect, filling sliding sleeve, screen casing and insertion sealing from top to bottom；Interior tubing string includes central tube, inner tube and the setting tool with ball seat set gradually from top to bottom, the packing tool with filling passage, tests blocking seat, the anti-drip valve of flexible set, sliding sleeve switch instrument, sealed bottom, packing tool, test blocking seat and anti-drip valve is sequentially arranged in central tube, sliding sleeve switch instrument is arranged on central tube.The structure of the filling tubing string more simplification, it is not necessary to two layers of washing pipe, it is not necessary to locator, and it is simple to operate, security greatly improves, and the internal diameter of outer tubing string can greatly increase, be advantageous to carry out follow-up demixing injection-production technology, the function of the packing tool of correlation technique can be realized.
Description
Technical field
Present document relates to but be not limited to stowage unit field, espespecially a kind of filling tubing string and a kind of placement method.
Background technology
Existing packing tool is often filled using single multilayer, and outer tubing string generally sets top packer, isolation packing
Device, sump packer, insertion sealing, filling sliding sleeve, sealing drum and positioning box cupling etc., interior tubing string generally sets setting tool, filled
Instrument, locator, sliding sleeve switch instrument, anti-suction valve, combination sealing and double-deck washing pipe etc. are filled out, using two layers of washing pipe, whole oil
Well need to once penetrate out all intervals, and packing tool one plows tripping in, filled from level to level from bottom to up, mutual not shadow between each filling bed
Ring, although saving the activity duration, interior tubing string and outer tubular column structure are complicated, and operation difficulty is big, careless slightly to will result in sand card
Accident, greatly increase operating risk.
The content of the invention
At least one of in order to solve the above-mentioned technical problem, there is provided herein one kind to fill tubing string, and its structure is simpler
Reduction, it is not necessary to two layers of washing pipe, it is not necessary to locator, and it is simple to operate, security greatly improves, and the internal diameter of outer tubing string can
Greatly increase, be advantageous to carry out follow-up demixing injection-production technology, the function of the packing tool of correlation technique can be realized.
In order to reach this paper purposes, there is provided herein one kind to fill tubing string, including outer tubing string and interior tubing string, said inner tube post
In the outer tubing string；The outer tubing string includes being sequentially connected the top packer connect, filling sliding sleeve, screen casing from top to bottom
Sealed with insertion；Said inner tube post include central tube, inner tube and the setting tool with ball seat set gradually from top to bottom,
Packing tool with filling passage, blocking seat, the anti-drip valve of flexible set, sliding sleeve switch instrument, sealed bottom are tested, it is described
Inner tube is located in the central tube, and the setting tool is connected to the upper end of the central tube, the sealed bottom is connected to institute
State the lower end of central tube, the packing tool, described test blocking seat and the anti-drip valve is sequentially arranged in the central tube, simultaneously
Top in said inner tube, the sliding sleeve switch instrument is arranged on the central tube and the lower section in said inner tube；Its
In, the upper end of said inner tube has the first fit structure being engaged with the anti-drip valve, and first fit structure can jack up
Valve ball in the anti-drip valve, between the central tube and the outer tubing string have to said inner tube move up and down carry out it is spacing
The second fit structure, be provided with third through-hole and fourth hole on the central tube, the third through-hole is located at the bottom
Between sealing and the sliding sleeve switch instrument, the fourth hole is located at the top of the top packer.
Alternatively, the filling tubing string also includes：Baffle plate, tested positioned at described between blocking seat and the anti-drip valve, and institute
State and first through hole is provided with baffle plate.
Alternatively, the filling tubing string also includes：Sump packer, it is connected with the insertion sealing.
Alternatively, the packing tool has axial passage and radial passage, the axial passage and the radial passage
Independently of each other, the axial passage is used to return in the slurries filtered out after the screen casing filter gravel flowed along said inner tube post
Ground is back to, the radial passage is used to enter the filling sliding sleeve for load fluid in filling.
Alternatively, described test on blocking seat is provided with shear pin, and the shear pin is tested for testing blocking seat described in confession
Seal the top packer.
Alternatively, first fit structure is extension protruding upward, and the extension separably stretches into described
In anti-drip valve, the second through hole is provided with the side wall of the extension.
Alternatively, second fit structure is inwardly protruded in the outer tubing string including being arranged at intervals up and down
Boss and elastic card claw, elastic card claw are arranged in resilient sleeve, and elasticity is set on the central tube and worn by pin
Cross the central tube and be connected with said inner tube.
Present invention also offers a kind of placement method, including：
Step 102, tripping in and sump packer is set；
Step 104, tripping in and interior tubing string and outer tubing string are installed, drilling rod is connected with interior tubing string, and insertion sealing is inserted into sand setting
In the mandrel of packer；
Step 106, set top packer and test envelope, setting tool is given up with top packer, and mark filling position
Put the setting ball gone out with reversing position and reacting cycle in setting tool；
Step 108, gravel packing operations are carried out；
Step 110, reacting cycle well-flushing is carried out after the completion of filling；
Step 112, rise and interior tubing string.
Alternatively, the step 106, set top packer and test envelope, setting tool is given up with top packer, and
The step of setting ball that mark filling position and reversing position and reacting cycle go out in setting tool is：Filling tubing string is lowered into position
Afterwards, setting position is marked in well head, throws setting ball and treat that setting ball is seated on the ball seat of setting tool, drilling rod, which is suppressed, reaches setting
During pressure, top packer is set；Suppressed from annular space, pressure reaches through setting tool and packing tool and tests blocking seat, tests envelope
Interior tubing string is above carried after qualified, setting tool and top packer is slipped out of the hand, continues above to carry interior tubing string until the filling of packing tool
Passage reaches more than top packer, goes out setting ball in well head mark reversing position and reacting cycle；In the annular space of setting position
Suppress to destroy and test blocking seat, recover unimpeded in central tube.
Alternatively, the step 108, carry out gravel packing operations the step of be：Interior tubing string is put to setting position and applied
Add and determine tonnage load to carry out packing job.
Alternatively, the step 110, it is the step of progress reacting cycle well-flushing after the completion of filling：After there is sand-out pressure, ring
Sky applies certain pressure, above carries interior tubing string to reversing position, and annular pressure continues above to carry, until elastic card claw and position after declining
Boss in top, which coordinates, causes resilient sleeve to stop moving up, and the valve ball of anti-drip valve, which is against on valve seat, causes lost circulation prevention function to open,
Then mortar remaining in reacting cycle cleaning drilling rod is until cleaning liquid returns to ground.
Compared with prior art, filling tubing string provided by the invention, its structure more simplification, it is not necessary to two layers of washing pipe,
Locator is not needed, and it is simple to operate, security greatly improves, and the internal diameter of outer tubing string can greatly increase, and is advantageous to carry out
Follow-up demixing injection-production technology, the function of the packing tool of correlation technique can be realized.
This paper further feature and advantage will illustrate in the following description, also, partly become from specification
It is clear that or understood by implementing herein.This paper purpose and other advantages can be by specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding this paper technical schemes, and a part for constitution instruction, with this Shen
Embodiment please is used for the technical scheme for explaining this paper together, does not form the limitation to this paper technical schemes.
Fig. 1 is the cross section structure diagram of the filling device described in one embodiment of the invention；
Fig. 2 is the flow chart of the fill method described in one embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 between reference and component names is：
1 top packer, 2 filling sliding sleeves, 3 screen casings, 4 insertion sealings, 5 sump packers, 6 setting tools, 61 ball seats, 7
Packing tool, 8 test blocking seat, 9 anti-drip valves, 10 sliding sleeve switch instruments, 11 sealed bottoms, 12 central tubes, 13 inner tubes, 14 baffle plates,
15 extensions, 16 elastic card claws, 17 boss, 18 annular spaces, 19 fourth holes, 20 third through-holes.
Embodiment
For this paper purpose, technical scheme and advantage are more clearly understood, the reality below in conjunction with accompanying drawing to this paper
Example is applied to be described in detail.It should be noted that in the case where not conflicting, the spy in embodiment and embodiment in the application
Sign can be mutually combined.
Many details are elaborated in the following description in order to fully understand herein, still, can also be adopted herein
It is different from mode described here with other to implement, therefore, this paper protection domain is not by following public specific implementation
The limitation of example.
The filling tubing string and placement method of some embodiments herein are described below in conjunction with the accompanying drawings.
Provided herein is filling tubing string, as shown in figure 1, including outer tubing string and interior tubing string, said inner tube post is arranged on described
In outer tubing string；The outer tubing string includes being sequentially connected the top packer 1 connect, filling sliding sleeve 2, screen casing 3 and insertion from top to bottom
Sealing 4；Said inner tube post includes central tube 12, inner tube 13 and the setting tool with ball seat 61 set gradually from top to bottom
6th, there is the packing tool 7 of filling passage, to test blocking seat 8, the anti-drip valve 9 of flexible set, sliding sleeve switch instrument 10, bottom close
Envelope 11, said inner tube 13 is located in the central tube 12, and the setting tool 6 is connected to the upper end, described of the central tube 12
Sealed bottom 11 is connected to the lower end of the central tube 12, the packing tool 7, it is described test blocking seat 8 and the anti-drip valve 9 according to
The secondary top in the central tube 12 and in said inner tube 13, the sliding sleeve switch instrument 10 be arranged on it is described in
On the heart pipe 12 and lower section in said inner tube 13；Wherein, the upper end of said inner tube 13 has and is engaged with the anti-drip valve 9
The first fit structure, first fit structure can jack up the valve ball in the anti-drip valve 9, the central tube 12 and described outer
Have between tubing string and spacing the second fit structure is carried out to moving up and down for said inner tube 13, the is provided with the central tube
Three through holes 20 and fourth hole 19, the third through-hole 20 be located at the sealed bottom 11 and the sliding sleeve switch instrument 10 it
Between, the fourth hole 19 is located at the top of the top packer 1.
Setting tool 6 can set top packer 1, and packing tool 7 provides filling passage and (also cried：Liquid-filled steering
Runner, including radial passage and axial passage, radial passage are connected on central tube 12 and with being communicated outside central tube 12), and
The outside of packing tool 7 is equipped with sealing ring up and down, tests blocking seat 8 and is used to test envelope top packer 1, anti-drip valve 9 is used for reacting cycle
When prevent hydraulic slip to stratum.
Filling tubing string provided by the invention, its structure more simplification, it is not necessary to two layers of washing pipe, it is not necessary to locator, and
Simple to operate, security greatly improves, and the internal diameter of outer tubing string can greatly increase, and is advantageous to carry out follow-up demixing injection-production skill
Art, the function of the packing tool 7 of correlation technique can be realized.
Wherein, as shown in figure 1, the filling tubing string also includes：Baffle plate 14, blocking seat 8 and the leakproof are tested positioned at described
Between valve 9, and first through hole is provided with the baffle plate 14, described test on blocking seat 8 is provided with shear pin, the shear pin
Follow closely and test the envelope top packer 1 for testing blocking seat 8 described in supplying, test after the completion of envelope and continue pressurization and cut shear pin to make to test envelope
Testing blocking and testing envelope for ball seat 8 is seated on following baffle plate 14, and testing blocking seat 8 includes testing blocking and test envelope seat.
Furthermore as shown in figure 1, the filling tubing string also includes：Sump packer 5, it is connected with the insertion sealing 4,
The structure of the dirt sand packer is identical with the structure of the top packer 1.
Further, the packing tool 7 has axial passage and radial passage, and the axial passage and the radial direction are led to
Road is separate, and the axial passage is used for the slurry filtered out after the filter gravel of screen casing 3 that will be flowed along said inner tube post
Liquid is back to ground, and the radial passage is used to enter the filling sliding sleeve 2 for load fluid in filling, and load fluid includes gravel
And slurries.
Specifically, first fit structure is extension 15 protruding upward, and the extension 15 separably stretches into
In the anti-drip valve 9, the second through hole is provided with the side wall of the extension 15, when extension 15 pushes up the valve ball in anti-drip valve 9,
Second through hole connects top pipeline section and lower section pipeline section of the central tube 12 at anti-drip valve 9, and extension 15 departs from downwards anti-drip valve 9
When, valve ball falls on the valve seat of anti-drip valve 9 to close anti-drip valve 9, top pipeline section and lower square tube of the central tube 12 at anti-drip valve 9
Section is blocked.
Specifically, second fit structure is inwardly protruded in the outer tubing string including being arranged at intervals up and down
Boss 17 and elastic card claw 16, elastic card claw 16 are arranged in resilient sleeve, and elasticity is set on the central tube 12 and led to
Cross pin to be connected together with said inner tube 13 through the central tube 12, guide groove is correspondingly offered on central tube 12
Hole, the boss 17 on top and the boss 17 of bottom are used to spacing elastic card claw 16.
Anti-drip valve 9 has the extension 15 of the through hole of band second, and valve ball is seated on extension 15 when anti-drip valve 9 is not actuated,
Second lead to the hole site is higher than the valve seat of anti-drip valve 9, top pipeline section and lower section pipeline section phase mutual conductance of the central tube 12 at anti-drip valve 9
It is logical；When completing gravel filling progress reacting cycle needs to start anti-drip valve 9, above carrying interior tubing string makes elastic card claw 16 superposed
Boss hinders and stops moving up upwards, and extension 15 deviates from downwards anti-drip valve 9, causes valve ball to be seated on valve seat, realizes counter follow
Prevent hydraulic slip to stratum during ring
Wherein, filling sliding sleeve 2, which can be opened, is turned on and off ending.
Placement method provided by the invention, as shown in Fig. 2 including：
Step 102, tripping in and sump packer 5 is set；
Step 104, tripping in and interior tubing string and outer tubing string are installed, drilling rod is connected with interior tubing string, and insertion sealing 4 is inserted into sand setting
In the mandrel of packer 5；
Step 106, set top packer 1 and test envelope, setting tool 6 is given up with top packer 1, and mark filling
The setting ball 62 that position and reversing position and reacting cycle go out in setting tool 6；
Step 108, gravel packing operations are carried out；
Step 110, reacting cycle well-flushing is carried out after the completion of filling；
Step 112, after the completion of reacting cycle, act interior tubing string.
Placement method provided by the invention, greatly reduces building block, it is not required that double-deck washing pipe, it is not necessary to which positioning connects
Hoop and locator, by inserting tubing string outside 4 tieback last layers of sealing after one layer of filling of completion, constantly it is superimposed and realizes that multi-section multi-layer fills
Fill out.
Specifically, the step 106, set top packer 1 and test envelope, setting tool 6 is lost with top packer 1
Hand, and the step of mark filling position and reversing position setting ball 62 that simultaneously reacting cycle goes out in setting tool 6 are：Fill tubing string
After 7 tripping in place, setting position is marked in well head, setting ball 62 is thrown and treats that setting ball 62 is seated on the ball seat 61 of setting tool 6,
Drilling rod suppress reach setting pressure when, set top packer 1；Suppressed from annular space 18, pressure enters center from third through-hole 20
Pipe 12, reached by setting tool 6 and packing tool 7 and test blocking seat 8, above carried interior tubing string after testing sealing lattice, make the He of setting tool 6
Top packer 1 is slipped out of the hand, and continues above to carry interior tubing string until the filling passage of packing tool 7 reaches top packer more than 1, in well
Mouthful mark reversing position and reacting cycle go out setting ball 62 (liquid is entered in packing tool 7 from interconnection in the annular space 18,
Eject setting ball 62)；Suppress to destroy in setting position annular space 18 and test blocking seat 8, recover unimpeded in central tube 12.
Specifically, the step 108, carry out gravel packing operations the step of be：Interior tubing string is put to setting position and applied
Add and determine tonnage load to carry out packing job.
Specifically, the step 110, it is the step of progress reacting cycle well-flushing after the completion of filling：After there is sand-out pressure, ring
Sky 18 applies certain pressure, above carries interior tubing string to reversing position, and the pressure of annular space 18 continues above to carry, until elastic card claw after declining
16 coordinate with boss 17 above so that resilient sleeve stops moving up, and the valve ball of anti-drip valve 9, which is against on valve seat, causes lost circulation prevention
Function is opened, and then mortar remaining in reacting cycle cleaning drilling rod is until cleaning liquid returns to ground, and now interconnection is in
The top of top packer 1.
In summary, filling tubing string provided by the invention, its structure more simplification, it is not necessary to two layers of washing pipe, it is not necessary to
Locator, and it is simple to operate, security greatly improves, and the internal diameter of outer tubing string can greatly increase, and is advantageous to carry out follow-up
Demixing injection-production technology, the function of the packing tool of correlation technique can be realized.
In description herein, term " installation ", " connected ", " connection ", " fixation " etc. all should be interpreted broadly, for example,
" connection " can be fixedly connected or be detachably connected, or be integrally connected；Can be joined directly together, can also lead to
Intermediary is crossed to be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning herein.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one implementation that specific features, structure, material or the feature that the embodiment or example describe are contained in this paper
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable
Mode combine.
Although embodiment disclosed herein is as above, described content is only the implementation for readily appreciating and using herein
Mode, it is not limited to herein.Technical staff in any this paper arts, do not depart from spirit disclosed herein and
On the premise of scope, any modification and change, but this paper patent protection model can be carried out in the form and details of implementation
Enclose, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. one kind filling tubing string, it is characterised in that including outer tubing string and interior tubing string, said inner tube post is arranged on the outer tubing string
It is interior；
The outer tubing string includes being sequentially connected the top packer connect, filling sliding sleeve, screen casing and insertion sealing from top to bottom；
Said inner tube post includes central tube, inner tube and the setting tool with ball seat set gradually from top to bottom, with filling
The packing tool of fill channel, test blocking seat, the anti-drip valve of flexible set, sliding sleeve switch instrument, sealed bottom, said inner tube position
In in the central tube, the setting tool is connected to the upper end of the central tube, the sealed bottom is connected to the center
The lower end of pipe, the packing tool, described test blocking seat and the anti-drip valve is sequentially arranged in the central tube and is in institute
The top of inner tube is stated, the sliding sleeve switch instrument is arranged on the central tube and the lower section in said inner tube；
Wherein, the upper end of said inner tube has the first fit structure being engaged with the anti-drip valve, first fit structure
The valve ball in the anti-drip valve can be jacked up, between the central tube and the outer tubing string have to said inner tube move up and down into
Spacing the second fit structure of row, third through-hole and fourth hole is provided with the central tube, the third through-hole is located at institute
State between sealed bottom and the sliding sleeve switch instrument, the fourth hole is located at the top of the top packer.
2. filling tubing string according to claim 1, it is characterised in that also include：
Baffle plate, tested positioned at described between blocking seat and the anti-drip valve, and first through hole is provided with the baffle plate.
3. filling tubing string according to claim 1, it is characterised in that also include：
Sump packer, it is connected with the insertion sealing.
4. filling tubing string according to any one of claim 1 to 3, it is characterised in that the packing tool has axially
Passage and radial passage, the axial passage and the radial passage are separate, and the axial passage is used for will be along described interior
The slurries filtered out after the screen casing filter gravel of tubing string flowing are back to ground, and the radial passage is used to supply in filling
Load fluid enters the filling sliding sleeve.
5. filling tubing string according to any one of claim 1 to 3, it is characterised in that described test on blocking seat is provided with
Shear pin, the shear pin test the envelope top packer for testing blocking seat described in confession.
6. filling tubing string according to any one of claim 1 to 3, it is characterised in that first fit structure be to
The extension protruded above, the extension are separably stretched into the anti-drip valve, and is provided with the side wall of the extension
Two through holes.
7. filling tubing string according to any one of claim 1 to 3, it is characterised in that second fit structure includes
The inwardly protruded boss and elastic card claw being arranged at intervals up and down in the outer tubing string, elastic card claw are arranged at elasticity
Put, elasticity is set on the central tube and is connected by pin through the central tube with said inner tube.
A kind of 8. placement method, it is characterised in that including：
Step 102, tripping in and sump packer is set；
Step 104, tripping in and interior tubing string and outer tubing string are installed, drilling rod is connected with interior tubing string, and insertion sealing is inserted into sand setting packing
In the mandrel of device；
Step 106, set top packer and test envelope, setting tool is given up with top packer, and mark filling position and
The setting ball that reversing position and reacting cycle go out in setting tool；
Step 108, gravel packing operations are carried out；
Step 110, reacting cycle well-flushing is carried out after the completion of filling；
Step 112, rise and interior tubing string.
9. placement method according to claim 8, it is characterised in that the step 106, set top packer and test
Envelope, makes setting tool be given up with top packer, and simultaneously reacting cycle goes out in setting tool for mark filling position and reversing position
Setting ball the step of be：
After filling tubing string is lowered into position, setting position is marked in well head, setting ball is thrown and treats that setting ball is seated in the ball of setting tool
On seat, drilling rod suppress reach setting pressure when, set top packer；Suppressed from annular space, pressure passes through setting tool and filling
Instrument reaches and tests blocking seat, above carries interior tubing string after testing sealing lattice, setting tool and top packer is slipped out of the hand, continue above to put forward inner tube
Post is until the filling passage of packing tool reaches more than top packer, and in well head mark reversing position, simultaneously reacting cycle goes out to set
Ball；Suppress to destroy in the annular space of setting position and test blocking seat, recover unimpeded in central tube.
10. placement method according to claim 9, it is characterised in that
The step 108, carry out gravel packing operations the step of be：Interior tubing string is put to setting position and applies setting tonnage load
Lotus is to carry out packing job；
The step 110, it is the step of progress reacting cycle well-flushing after the completion of filling：After there is sand-out pressure, annular space applies certain
Pressure, above carry interior tubing string to reversing position, annular pressure continues above to carry after declining, until elastic card claw with it is above convex
Platform, which coordinates, causes resilient sleeve to stop moving up, and the valve ball of anti-drip valve, which is against on valve seat, causes lost circulation prevention function to open, then reacting cycle
Remaining mortar in cleaning drilling rod is until cleaning liquid returns to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710819282.1A CN107524426B (en) | 2017-09-12 | 2017-09-12 | Fill tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710819282.1A CN107524426B (en) | 2017-09-12 | 2017-09-12 | Fill tubing string |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107524426A true CN107524426A (en) | 2017-12-29 |
| CN107524426B CN107524426B (en) | 2019-09-06 |
Family
ID=60735877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710819282.1A Active CN107524426B (en) | 2017-09-12 | 2017-09-12 | Fill tubing string |
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| Country | Link |
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| CN (1) | CN107524426B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630049A (en) * | 2018-11-09 | 2019-04-16 | 中国海洋石油集团有限公司 | A kind of reverse circulation valve |
| CN110847874A (en) * | 2019-11-14 | 2020-02-28 | 中国海洋石油集团有限公司 | Fracturing filling and desanding pipe column and fracturing filling and desanding method |
| CN111042776A (en) * | 2018-10-11 | 2020-04-21 | 中国石油化工股份有限公司 | Anti-channeling layered filling sand prevention pipe column and method |
| CN111734361A (en) * | 2020-07-01 | 2020-10-02 | 荆州市赛瑞能源技术有限公司 | Open-hole gravel packing sand prevention process and open-hole gravel packing sand prevention service pipe string |
| CN114427438A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Multifunctional pressure testing device for shaft |
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| US4553595A (en) * | 1984-06-01 | 1985-11-19 | Texaco Inc. | Method for forming a gravel packed horizontal well |
| CN101432501A (en) * | 2006-05-05 | 2009-05-13 | Bj服务公司 | Multi-zone, single trip well completion system and methods of use |
| CN102134982A (en) * | 2011-02-11 | 2011-07-27 | 孔利生 | Multilayer gravel packing method and tool |
| CN104879099A (en) * | 2015-04-28 | 2015-09-02 | 中国海洋石油总公司 | Gravel packing pipe column and gravel packing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111042776A (en) * | 2018-10-11 | 2020-04-21 | 中国石油化工股份有限公司 | Anti-channeling layered filling sand prevention pipe column and method |
| CN111042776B (en) * | 2018-10-11 | 2023-08-04 | 中国石油化工股份有限公司 | Anti-crossflow layered filling sand prevention pipe column and method |
| CN109630049A (en) * | 2018-11-09 | 2019-04-16 | 中国海洋石油集团有限公司 | A kind of reverse circulation valve |
| CN109630049B (en) * | 2018-11-09 | 2021-04-06 | 中国海洋石油集团有限公司 | Reverse circulation valve |
| CN110847874A (en) * | 2019-11-14 | 2020-02-28 | 中国海洋石油集团有限公司 | Fracturing filling and desanding pipe column and fracturing filling and desanding method |
| CN110847874B (en) * | 2019-11-14 | 2022-02-11 | 中国海洋石油集团有限公司 | Fracturing filling and desanding pipe column and fracturing filling and desanding method |
| CN111734361A (en) * | 2020-07-01 | 2020-10-02 | 荆州市赛瑞能源技术有限公司 | Open-hole gravel packing sand prevention process and open-hole gravel packing sand prevention service pipe string |
| CN114427438A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Multifunctional pressure testing device for shaft |
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| CN107524426B (en) | 2019-09-06 |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: China Oilfield Services Limited Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant before: China National Offshore Oil Corporation Applicant before: China Oilfield Services Limited |
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