CN109138938A - Adjust flow control water installations, pipe nipple, tubing string and two secondary control water completion methods - Google Patents
Adjust flow control water installations, pipe nipple, tubing string and two secondary control water completion methods Download PDFInfo
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- CN109138938A CN109138938A CN201710508018.6A CN201710508018A CN109138938A CN 109138938 A CN109138938 A CN 109138938A CN 201710508018 A CN201710508018 A CN 201710508018A CN 109138938 A CN109138938 A CN 109138938A
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- control water
- base tube
- flow control
- pipe nipple
- annular space
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 210000002445 nipple Anatomy 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 238000005406 washing Methods 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 13
- 235000019198 oils Nutrition 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000012856 packing Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 2
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- 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
-
- 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
- E21B43/08—Screens or liners
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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Cyclones (AREA)
Abstract
The invention proposes a kind of tune flow control water installations, pipe nipple, tubing string and two secondary control water completion methods, which includes base tube, are provided with mounting groove on the downstream outer wall of base tube；Eddy flow controller at mounting groove is set；It is set in the protection cylinder in the outside of base tube; cylinder and base tube is protected to form the annular space chamber that downstream blocks; wherein; after fluid enters annular space chamber; it is entered in the inner cavity of base tube by eddy flow controller; using the device energy equilibrium level well production profile, delay waterline coning speed, realizes the purpose of steady oil control water.
Description
Technical field
The present invention relates to oil/gas well completion technique fields, and in particular to a kind of tune flow control water installations, pipe nipple, tubing string and secondary
Control water completion method.
Background technique
Horizontal well increases the contact area of pit shaft and oil reservoir compared with conventional straight well, and well yield is high.With horizontal well
Technology is constantly progressive, and horizontal well is more and more applied to the production development of oil reservoir.
With the progress of production development, since horizontal wellbore is longer, the heterogeneity of reservoir rock and permeability it is each to
The drift angle out that the opposite sex and different oil water interfacial tensions cause grease different, is very easy to cause because of edge and basal water
The big volume production water of horizontal wellbore or even horizontal wellbore sudden water flooding, shorten the life cycle of horizontal well, affect horizontal well control
The recovery percent of reserves and individual well recovery ratio in region.
In order to delay horizontal well edge and basal water speed, extends the anhydrous productive life of horizontal well or low aqueous productive life,
The discharge velocity of balanced same level well section grease, or the production profile of balanced entire horizontal wellbore, to inhibit the production of water phase
Speed out promotes the output of oily phase.
In the prior art, production profile can be adjusted by chemical methodes such as the medicaments such as injection nitrogen, foam, inhibits water
Output.The physical methods such as selective shut-off gel, selective shut-off frozen glue and superfine cement can also be injected, main production water is blocked
The output of water is reduced in channel.The above method extends the oil well production period, changes for delaying the edge and basal water of horizontal well
The kind section of stream out has certain effect, but there are costly, the multiple operations of need, and chemical agent damages to a certain extent
The deficiencies of reservoir.
Thus, it is desirable to invent a kind of tune flow control water installations, with equilibrium level well production profile, delay waterline coning speed,
Realize the purpose of steady oil control water.
Summary of the invention
For some or all of of the above-mentioned technical problem in the presence of the prior art, the invention proposes a kind of tune streams
Water control device, pipe nipple, tubing string and two secondary control water completion methods.The device enters well for can increase fluid in pit shaft in horizontal well
Flow resistance in the flow string of cylinder so that controlled level well corresponds to the speed of response of fluid in reservoir, and then adjusts horizontal
Well production profile, thus inhibits edge and basal water, delays the horizontal well water breakthrough time, reaches the mesh for improving well yield and recovery ratio
's.
According to the first aspect of the invention, a kind of tune flow control water installations are proposed, comprising:
Base tube is provided with mounting groove on the downstream outer wall of base tube,
Eddy flow controller at mounting groove is set,
It is set in the protection cylinder in the outside of base tube, protection cylinder and base tube form the annular space chamber that downstream blocks,
Wherein, it after fluid enters annular space chamber, is entered in the inner cavity of base tube by eddy flow controller.
In one embodiment, controller includes
Controller main body,
It is arranged in the intracorporal vortex chamber of controller master,
The entrance for being connected to vortex chamber of the side of controller main body is set,
The outlet that the bottom surface of controller main body is used to be connected to vortex chamber is set, outlet is connected to the inner cavity of base tube,
For being connected to the swirl channel of entrance and vortex chamber,
For being connected to the split channel of swirl channel and vortex chamber,
Wherein, controller main-body structure is cuboid.
In one embodiment, on direction from the inlet to the outlet, the circulation area of swirl channel is gradually become smaller.
In one embodiment, the circulation area at the maximum flow area of swirl channel and the stream at minimum flow area
The ratio of logical area is 2.8-3.2.
In one embodiment, the bottom wall of vortex chamber is configured to inclined plane shape, and/or outlet includes being from upstream to downstream
The gradually smaller taper hole of direction upper section area.
In one embodiment, multiple first axially extended are set on the upstream end outer wall of the intracavitary base tube of annular space
Stick, multiple circumferentially-spaced formula settings of first stick.
In one embodiment, multiple circumferentially spaced convex blocks are set on the outer wall of the intracavitary base tube of annular space, and convex block is set
It sets the downstream in the first stick and is abutted with protection cylinder.
In one embodiment, the second stick is set on the outer wall of the base tube of the downstream of convex block in the circumferential by ring
Cavity is divided into multiple drainage spaces, and mounting groove and eddy flow controller are provided in each drainage space.
According to the second aspect of the invention, a kind of pipe nipple is provided, comprising:
According to above-mentioned tune flow control water installations,
The screen hookup that the upstream for adjusting flow control water installations is set and is connected to tune flow control water installations.
In one embodiment, screen hookup includes
The inner tube being connect with base tube,
It is arranged on the outside of inner tube and is formed with inner tube the protective case of annulus space, is provided on the protective sleeve and annulus space
The flowing hole of connection,
Annulus space is divided into the screen modules of interior annulus space and outer annulus space, interior annulus space and annular space chamber
Connection.
In one embodiment, the axially extending supporting element for being used to support screen modules is set on the wall of inner tube.
According to the third aspect of the invention we, a kind of tubing string is provided, comprising:
Connected pipes,
The packer of the lower end of coiled tubing is set,
The filling converter in the downstream of packer is set,
The above-mentioned pipe nipple in the downstream of filling converter is set.
In one embodiment, axially extending washing pipe is set in the inner cavity of pipe nipple, wherein the upper end of washing pipe and filling
Converter connection, and the internal chamber wall compartment of the outer wall of washing pipe and pipe nipple is arranged.
According to the fourth aspect of the invention, a kind of two secondary control water completion methods are provided, comprising:
Step 1: the above-mentioned tubing string of tripping in, so that pipe nipple is located at net horizontal section, filling converter is arranged in horizontal segment heel end
Or Horizontal Well splay end position,
Step 2: so that packer setting to be to insulate the annular space between tubing string and the former borehole wall,
Step 3: being pumped into load fluid and gravel into tubing string, so that gravel pack is to the annular space between pipe nipple and former pit shaft
It is interior,
Step 4: stopping is pumped into.
In one embodiment, in step 3 kind, the discharge capacity of the load fluid and gravel that are pumped into is 0.1 to 0.2 cubic metre every
Minute.
In one embodiment, in step 4, when filling 5 to 10 megapascal of pressure rise that well head is monitored, stop
It is pumped into.
In one embodiment, in step 3 kind, the density of gravel is 1.0-1.03 grams per cubic centimeter, and compression strength is not
Less than 60 megapascal, grain diameter is 40-100 mesh, and sphericity is not less than 0.95.
Compared with the prior art, the advantages of the present invention are as follows, after the tune flow control water installations are lowered into horizontal well, storage
The fluid of layer can enter annular space chamber, the inner cavity of base tube then be entered by eddy flow controller, then be transported to ground.It should
Device increases the flow resistance that can increase the fluid of reservoir, so that the output of fluid is fast in the correspondence reservoir of controlled level well
Degree, and then horizontal well production profile is adjusted, thus inhibit edge and basal water, delay the horizontal well water breakthrough time, reaches raising individual well
The purpose of yield and recovery ratio.
Detailed description of the invention
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing, in figure:
Fig. 1 shows tubing string according to an embodiment of the invention；
Fig. 2 shows pipe nipple according to an embodiment of the invention；
Fig. 3 shows seating nipple according to an embodiment of the invention；
Fig. 4 shows eddy flow controller according to an embodiment of the invention；
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described.
Fig. 1 shows tubing string 10 according to the present invention.As shown in Figure 1, tubing string 10 includes being from upstream to downstream direction, successively
Connected pipes 1, packer 2, filling converter 3 and the pipe nipple 100 of setting.Wherein, packer 2 is arranged under connected pipes 1
End, for insulating the annular space between tubing string 10 and the former borehole wall, with guarantee in horizontal segment after pack gravel will not on return.Filling turns
Parallel operation 3 is in the downstream of packer 2, for the channel of switching flow, for guaranteeing the gravel from 10 inner cavity of well head injection string
And load fluid enters the annular between net horizontal section pipe nipple 100 and former pit shaft after over packing converter 3, passes through in load fluid short
After section 100 enters in the inner cavity of tubing string 10, load fluid enters the annular of tubing string 10 and upper layer original pit shaft after over packing converter 3
It is interior, finally it is discharged outside well.Pipe nipple 100 includes the tune flow control water installations 101 being connected and screen hookup 102, and is arranged in level
The horizontal segment of well reaches unlimited pole control water for realizing the unlimited pole packing to reservoir, and specific structure hereinafter will do it in detail
Description.
Tubing string 10 may include multiple pipe nipples 100 for being sequentially connected and connecing.This set can increase working efficiency, facilitate reality
Now the unlimited pole of reservoir is insulated.
As shown in Fig. 2, pipe nipple 100 includes the tune flow control water installations 101 being connected and screen hookup 102.Wherein, flow control is adjusted
Water installations 101 are in the downstream of screen hookup 102.Fluid in pit shaft enters tune after screen hookup 102 is filtered
In flow control water installations 101.
As shown in Fig. 2, screen hookup 102 includes inner tube 103, protective case 104 and screen modules 105.Wherein, inner tube
103 are cylindrical in shape.Protective case 104 is socketed in the outside of inner tube 103, and forms annulus space 106 with inner tube 103.Screen modules
105 are arranged in annulus space 106, and are socketed on the outer wall of inner tube 103, and it is absolutely empty that annulus space 106 is divided into inner ring
Between 107 and outer annulus space 108.In addition, being provided with the flowing hole 109 for being connected to outer annulus space 108 on protective case 104.From
And fluid can be entered by flowing hole 109 in outer annulus space 108, then entered again by screen modules 105 interior
In annulus space 107.
In one embodiment, supporting element 110 is set on the wall of inner tube 103, to be used to support screen modules 105.
The supporting element 110 is it is so structured that be arranged in strip plate axially extending on the wall of inner tube 103, for example, supporting element 110 is steel
Muscle.Screen modules 105 include filter mesh layer 111 and supporting layer 112.Wherein, supporting layer 112 is used to support filter mesh layer flexible
111, to reach the dual purpose of filtering and Channel Group.In order to increase filter effect, screen modules 105 may include multistorey strainer mesh
Layer 111 and supporting layer 112.Screen hookup 102 with this structure has the advantages of simple structure and easy realization, and filter effect is good.
As shown in Fig. 2, adjusting flow control water installations 101 that there is base tube 120, eddy flow controller 121 and protection cylinder 122.In base tube
Mounting groove 123 is provided on the outer wall of 120 downstream, for placing and limiting eddy flow controller 121.Eddy flow controller
121 to generate eddy flow by fluid therein, and the resistance different with oily generation to the water in fluid, thus controlled level well
Correspondence reservoir in fluid the speed of response, and then adjust horizontal well production profile, inhibit edge and basal water, delay horizontal well to see
The water time achievees the purpose that improve well yield and recovery ratio.Protection cylinder 122 is set in the outside of base tube 120, and and base tube
120 form the annular space chamber 124 that downstream blocks.Eddy flow controller 121 is arranged in the annular space chamber 124.Meanwhile the annular space chamber
124 are connected to interior annulus space 107, to receive the fluid from interior annulus space 107.
In one embodiment, as shown in figure 4, eddy flow controller 121 has controller main body 125, vortex chamber 126, enters
Mouth 127, outlet 128, swirl channel 129 and split channel 130.Wherein, controller main body 125 is square structure, with can be convenient
Ground is installed at mounting groove 123.Vortex chamber 126 is arranged in controller main body 125, to pass through swirl channel 129 for receiving
The fluid flowed into split channel 130.The side of controller main body 125 is arranged in entrance 127, is flowed into vortex chamber for fluid
In 126.The bottom surface of controller main body 125 is arranged in outlet 128, is connected to the inner cavity of vortex chamber 126 and base tube 120.Eddy flow
Channel 129 is for being connected to entrance 127 and vortex chamber 126, so that the fluid entered by entrance 127, by swirl channel
Eddy flow effect is generated after 129 to enter back into vortex chamber 126.Split channel 130 is arranged in swirl channel 129 and vortex chamber 126
Between, for linking up swirl channel 129 and vortex chamber 126.In structure, swirl channel 129 is formed by spiral helicine slot.And divide
Radial slot on cell wall of the circulation road 130 by corresponding swirl channel 129 is arranged in is formed.The eddy flow controller 125 can
According to the physical difference (density, viscosity) and flowing property of formation fluid, formation fluid (oil, water) is distinguished, it is automatic to adjust
The assignment of traffic ratio of whole flow path, larger to inbound traffics and high-moisture percentage formation fluid limit, and reach adaptive
It should the steady oily effect for controlling water.Specifically, (containing when the formation fluid viscosity into eddy flow controller 125 is smaller and density is larger
Water rate is high) when, fluid can enter vortex chamber 126 via 130 two flow paths of swirl channel 129 and split channel, but divide
Circulation road 130 is greater than the resistance that swirl channel 129 generates the formation fluid, therefore, edge to the resistance that the formation fluid generates
The flow accounting that swirl channel 129 enters vortex chamber 126 is larger, these fluids are entered vortex chamber 126 by swirl channel 129 and done
After nearly heart swirling motion, flow velocity is gradually decreased, and is flowed in the inner cavity of base tube 120 finally by outlet 128, and fluid flow rate is faster,
The eddy flow time is longer, and the flow path of fluid is longer, and the resistance of generation is bigger.When the formation fluid for entering eddy flow controller 121
When viscosity is larger and density is smaller (moisture content is low), can via 130 two flow paths of swirl channel 129 and split channel into
Enter vortex chamber 126, but swirl channel 129 is greater than split channel 130 to the resistance that the formation fluid generates and generates to formation fluid
Resistance, therefore, along split channel 130 enter vortex chamber 126 flow accounting it is larger, these fluids by split channel 130 into
Enter vortex chamber 126, is flowed into finally by outlet 128 in the inner cavity of base tube 120, in this case, the flow path of fluid is shorter,
The resistance of generation is smaller.
Preferably, controller main body 125 is made of tungsten-cobalt alloy.Eddy flow controller 121 can be improved in this setup
Wearability, improve its service life.Meanwhile the controller main body 125 made of tungsten-cobalt alloy is processed as oblong-shaped, it can
To be conveniently and efficiently mounted at mounting groove 123.
Preferably, on from entrance 127 to the direction of outlet 128, the circulation area of swirl channel 129 is gradually become smaller.Into
One step preferably, circulation area at the maximum flow area of swirl channel 129 and the circulation area at minimum flow area
Ratio is 2.8-3.2, for example, ratio is 3.The throttle resistance that oil water mixture can be increased by this set, preferably mentions
Lofty tone flow control water effect.
Preferably, the bottom wall of vortex chamber 126 is configured to inclined plane shape, it is further preferred that the inclination of the bottom wall of vortex chamber 126
Angle is 3-5 degree, such as 4 degree, so that fluid can more smoothly flow to outlet 128.This setup can improve guidance oil
The effect of stream reduces the resistance to oil, and then improves and adjust flow control water effect.
Preferably, outlet 128 includes in the gradually smaller taper hole of direction upper section area for being from upstream to downstream.For example,
From the outer on interior direction of base tube 120, outlet 128 is it is so structured that necking.It is further preferred that the taper of outlet 128
Angle is 60 degree, it is, the angle between two stringcourses is 60 degree on the axial cross section of outlet 128.Gone out by this set
Mouth 128 can preferably guide fluid to enter the inner cavity of base tube 120, have the function of guidance stream oil.Also, this set side
Formula also can be reduced to the resistance with oil, further increase control water tune stream effect.Certainly, outlet 128 may be configured to other knots
Configuration formula, for example, outlet 128 includes that the gradually smaller taper hole section of direction upper section area for being from upstream to downstream and setting are being bored
The cylindrical section in the downstream of hole section.The taper angle of taper hole section may be 60 degree.This setup can equally reach increase control water
Adjust the purpose of stream.
It should be noted that showing only a part of eddy flow controller 121 in Fig. 4.Eddy flow controller 121 further includes
Lid on part shown in the figure can be set.The cover cap closes the upper surface of eddy flow controller 121 shown in Fig. 4, to be formed
Closed vortex chamber 126 etc..
As shown in figure 3, the first stick 131 is set on the upstream outer wall of the base tube 120 in annular space chamber 124, this first
Block 131 axially extends, and compartment is arranged in the circumferential.The upstream end of annular space chamber 124 has been divided into different liquid as a result,
Flow passage, to play drainage.
Convex block 132 is set on the outer wall of the base tube 120 in annular space chamber 124.In the axial direction, the convex block 132 setting is the
The downstream of one stick 131.In the circumferential, which is arranged, and does not hinder fluid axially to flow.In radial direction
On, which abuts with protection cylinder 122, to play the role of guaranteeing positional relationship between the two.The convex block 132 mainly rises
Cylinder 122 is protected to support and improves the effect of the intensity of base tube 120.
Second stick 133 is set on the outer wall of the base tube 120 of the downstream of convex block 132.Second stick 133 is axial to be prolonged
It stretches, and circumferentially-spaced formula is arranged so that annular space chamber 124 is divided into multiple drainage spaces 134 in the circumferential.In each drainage space 134
Inside be provided with mounting groove 123 and with the matched eddy flow controller 121 of mounting groove 123.For example, multiple four are arranged in the circumferential
Mounting groove 123, to improve the tune flow control outlet capacity for adjusting flow control water installations 101.
In order to realize being connected to for interior annulus space 107 and annular space chamber 124, as shown in Fig. 2, inner tube 103 and base tube 120 are fixed
Connection.Connecting cylinder 17 is set in 104 downstream of protective case, and connecting cylinder 17 is connect with protection cylinder 122.It realizes in this way
Interior annulus space 107 is connected to annular space chamber 124.
Using this tubing string 10, pack gravel operation can be carried out to horizontal well, to reach the work without limitation packing reservoir
With.Simultaneously, moreover it is possible to generated additional drag be automatically adjusted according to the physical property of incoming fluid, reduce horizontal well with toe to reach
Effect and reservoir heterogeneity influence, and increase the yield of producing horizon.Pipe nipple 100 with this structure can increase oil, water and
The throttle resistance of oil water mixture inhibits hypertonic section of production liquid to the uniform draining of oil mining early period, promotes hypotonic section of production liquid,
Promoting bottom water to be uniformly lifted has biggish control action, can automatically adjust water and excessively oily pressure drop, and Non-energy-consumption is high-efficient.
In a preferred embodiment, tubing string 10 further includes washing pipe 6.Wherein, one end of washing pipe 6 and filling converter
125 connections, the other end extend along the horizontal segment of tubing string 10.Washing pipe 6 be arranged in the inner cavity of pipe nipple 100 and with pipe nipple 100
The setting of inner cavity compartment.By screen hookup 102 and after adjusting flow control water installations 101, washing pipe 6 and pipe nipple 100 are entered in fluid
It is formed by annulus space, then again in the inner cavity that the downstream-end opening by washing pipe 6 enters washing pipe 6, and finally returns
Return to ground.It can guarantee the filling effect of gravel by the way that washing pipe 6 is arranged, to improve the effect that unlimited pole separates reservoir.
Two secondary control water completion methods are described in detail below according to Fig. 1 to 4.
Firstly, by 10 tripping in pit shaft of tubing string.So that pipe nipple 100 is located at the horizontal segment of shaft bottom, filling converter setting 3 exists
Horizontal segment heel end or Horizontal Well splay end position.
Then, under tubing string 10 in place after, set packer 2 is to insulate the annular space between tubing string 100 and the former borehole wall.
Again, load fluid and gravel are injected into the inner cavity of tubing string 10 in well head.Load fluid carries gravel, is turned by filling
Enter the annular between tubing string 10 and horizontal segment original pit shaft after parallel operation 3.Gravel stays in the annular between horizontal segment original pit shaft, and takes
Sand liquid enters in the interior annulus space 107 of screen hookup 102, then flows into annular space chamber 124, passes through Current limited Control device
After 121, enter back into washing pipe 6.Load fluid is returned by entering tubing string 100 and Yuan Jing through over packing converter 3 after washing pipe 6
Annular space between cylinder, return load fluid, which is discharged outside well after annular space, enters circulating tank, completes the circulation of primary filling.It uses
In, above-mentioned circulation is constantly repeated, until the annular space of the tubing string 10 of the horizontal segment of horizontal well and former pit shaft is completely filled with filling gravel
Until stone 7.During horizontal segment annular pack gravel, by filling pressure that well head is monitored come determined level section annular space
Filling operation.For example, horizontal segment fills up, and can stop conveying when filling pressure quickly increases 5 to 10 megapascal.Preferably, exist
It in stowing operation, can be filled using smaller discharge capacity, for example, filling discharge capacity is 0.1-0.2m3/min。
Wherein, for filling gravel select density it is lower and with gravel similar in water density, for example, the density of gravel is
1.0~1.03g/cm3.Ensure that gravel can carry out filling carrying with oil field water by this set.It is preferred real at one
It applies in example, the compression strength of gravel is not less than 60Mpa, and heatproof should also be not less than 200 DEG C.In addition, the grain diameter of gravel is
40-100 mesh, sphericity are not less than 0.95.After this lesser grain size of gravel and higher sphericity ensure that gravel buildup
Tightness degree reduces the permeability after gravel integrally fills, and plays the role of the packing for significantly stopping fluid lateral flow.Together
When, the gravel of the characteristic adapts to the environment in pit shaft, guarantees that satisfaction uses needs.
After sand off, proposes the coiled tubing 1 of 2 or more packer, and tripping in flow string, oil well is opened
It adopts.
The above is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, any this field
Technical staff in technical scope disclosed by the invention, can be easy to carry out and be altered or varied, and this be altered or varied all
It is covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection scope of claims
It is quasi-.
Claims (17)
1. a kind of tune flow control water installations characterized by comprising
Base tube is provided with mounting groove on the downstream outer wall of the base tube,
Eddy flow controller at the mounting groove is set,
It is set in the protection cylinder in the outside of the base tube, the protection cylinder and the base tube form the annular space chamber that downstream blocks,
Wherein, it after fluid enters the annular space chamber, is entered in the inner cavity of base tube by the eddy flow controller.
2. tune flow control water installations according to claim 1, which is characterized in that the eddy flow controller includes
Controller main body,
It is arranged in the intracorporal vortex chamber of controller master,
The entrance for being connected to the vortex chamber of the side of the controller main body is set,
The outlet that the bottom surface of the controller main body is used to be connected to the vortex chamber, the outlet and the base tube are set
Inner cavity connection,
For being connected to the swirl channel of the entrance and the vortex chamber,
For being connected to the split channel of the swirl channel and the vortex chamber,
Wherein, the controller main-body structure is cuboid.
3. tune flow control water installations according to claim 2, which is characterized in that described on direction from the inlet to the outlet
The circulation area of swirl channel gradually becomes smaller.
4. tune flow control water installations according to claim 3, which is characterized in that at the maximum flow area of the swirl channel
Circulation area and minimum flow area at circulation area ratio be 2.8-3.2.
5. the device according to any one of claim 2 to 4, which is characterized in that the bottom wall of the vortex chamber is configured to tiltedly
Planar and/or the outlet include in the gradually smaller taper hole of direction upper section area for being from upstream to downstream.
6. according to claim 1 to tune flow control water installations described in 5, which is characterized in that in the intracavitary base tube of the annular space
Upstream end outer wall on multiple the first sticks axially extended are set, multiple circumferentially-spaced formulas settings of first stick.
7. tune flow control water installations according to claim 6, which is characterized in that in the outer of the intracavitary base tube of the annular space
Multiple circumferentially spaced convex blocks are set on wall, and the convex block is arranged in the downstream of first stick and supports with the protection cylinder
It connects.
8. tune flow control water installations according to claim 7, which is characterized in that the base tube in the downstream of the convex block
Outer wall on the second stick is set so that the annular space chamber is divided into multiple drainage spaces in the circumferential, and it is empty in each drainage
It is interior to be provided with the mounting groove and the eddy flow controller.
9. a kind of pipe nipple characterized by comprising
According to claim 1 to tune flow control water installations described in any one of 8,
The screen hookup that the tune flow control water installations upstream is set and is connected to the tune flow control water installations.
10. pipe nipple according to claim 9, which is characterized in that the screen hookup includes
The inner tube being connect with the base tube,
Be arranged on the outside of said inner tube and formed with said inner tube the protective case of annulus space, be provided on the protective case with
The flowing hole of the annulus space connection,
The annulus space is divided into the screen modules of interior annulus space and outer annulus space, the interior annulus space and institute
State the connection of annular space chamber.
11. pipe nipple according to claim 10, which is characterized in that axially extending be used for is arranged on the wall of said inner tube
Support the supporting element of the screen modules.
12. a kind of tubing string characterized by comprising
Connected pipes,
The packer of the lower end of the coiled tubing is set,
The filling converter in the downstream of the packer is set,
The pipe nipple according to any one of claim 9 to 11 claim in the downstream of the filling converter is set.
13. tubing string according to claim 12, which is characterized in that axially extending rush is arranged in the inner cavity of the pipe nipple
Pipe, wherein the upper end of the washing pipe is connect with the filling converter, and the inner cavity of the outer wall of the washing pipe and the pipe nipple
The setting of wall compartment.
14. a kind of two secondary control water completion methods characterized by comprising
Step 1: tripping in tubing string shown in 2 or 13 according to claim 1, so that the pipe nipple is located at the net horizontal section, it is described
Converter is filled to be arranged in horizontal segment heel end or Horizontal Well splay end position,
Step 2: so that the packer setting to be to insulate the annular space between the tubing string and the former borehole wall,
Step 3: being pumped into load fluid and gravel into tubing string, so that gravel pack is between the pipe nipple and the former pit shaft
In annular space,
Step 4: stopping is pumped into.
15. according to the method for claim 14, which is characterized in that in step 3 kind, the row of the load fluid and gravel that are pumped into
Amount is 0.1 to 0.2 cubic meters per minute.
16. method according to claim 14 or 15, which is characterized in that in step 4, when the filling that well head is monitored
When 5 to 10 megapascal of pressure rise, stop being pumped into.
17. method described in any one of 4 to 16 according to claim 1, which is characterized in that in step 3 kind, the density of gravel
Per cubic centimeter for 1.0-1.03 grams, compression strength is not less than 60 megapascal, and grain diameter is 40-100 mesh, and sphericity is not less than
0.95。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710508018.6A CN109138938B (en) | 2017-06-28 | 2017-06-28 | Flow regulating and water controlling device, short joint, tubular column and secondary water controlling well completion method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508018.6A CN109138938B (en) | 2017-06-28 | 2017-06-28 | Flow regulating and water controlling device, short joint, tubular column and secondary water controlling well completion method |
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| CN109138938A true CN109138938A (en) | 2019-01-04 |
| CN109138938B CN109138938B (en) | 2020-11-10 |
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| CN201710508018.6A Active CN109138938B (en) | 2017-06-28 | 2017-06-28 | Flow regulating and water controlling device, short joint, tubular column and secondary water controlling well completion method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980627A (en) * | 2020-08-31 | 2020-11-24 | 东营市瑞丰石油技术发展有限责任公司 | Oil extraction water control valve |
| CN112228014A (en) * | 2020-11-03 | 2021-01-15 | 山东普瑞思德石油技术有限公司 | Anti-blocking water control screen pipe |
| CN112267855A (en) * | 2020-09-22 | 2021-01-26 | 中国石油天然气股份有限公司 | Flow-regulating water-controlling sand-preventing well completion pipe string and sand filling method |
| CN112832723A (en) * | 2019-11-22 | 2021-05-25 | 中国石油化工股份有限公司 | Self-adaptive water control device for gas well and design method thereof |
| CN113639304A (en) * | 2020-05-11 | 2021-11-12 | 中国石油化工集团有限公司 | Forced convection heat exchange type geothermal water horizontal well single well heat supply system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248308A (en) * | 1979-04-27 | 1981-02-03 | Camco, Incorporated | Externally adjusted spring actuated well valve |
| CN101265797A (en) * | 2008-04-30 | 2008-09-17 | 安东石油技术（集团）有限公司 | Flow string possessing water controlling valve and longitudinal rib |
| CN103380263A (en) * | 2010-12-21 | 2013-10-30 | 哈里伯顿能源服务公司 | An exit assembly with a fluid director for inducing and impeding rotational flow of a fluid |
| CN104389553A (en) * | 2014-09-26 | 2015-03-04 | 西南石油大学 | Automatic phase selection control valve |
| CN204266939U (en) * | 2014-08-22 | 2015-04-15 | 中国石油化工股份有限公司 | A kind of water and oil control second completion pipe string combination |
| CN105134141A (en) * | 2015-08-25 | 2015-12-09 | 中国石油天然气股份有限公司 | Process pipe column |
| CN105625991A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Water-controlling and oil-stabilizing inflow controller used for oil extraction system |
| CN105626003A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Control device used for regulating formation fluid |
| WO2016093805A1 (en) * | 2014-12-09 | 2016-06-16 | Halliburton Energy Services, Inc. | Downhole turbine assembly |
-
2017
- 2017-06-28 CN CN201710508018.6A patent/CN109138938B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4248308A (en) * | 1979-04-27 | 1981-02-03 | Camco, Incorporated | Externally adjusted spring actuated well valve |
| CN101265797A (en) * | 2008-04-30 | 2008-09-17 | 安东石油技术（集团）有限公司 | Flow string possessing water controlling valve and longitudinal rib |
| CN103380263A (en) * | 2010-12-21 | 2013-10-30 | 哈里伯顿能源服务公司 | An exit assembly with a fluid director for inducing and impeding rotational flow of a fluid |
| CN204266939U (en) * | 2014-08-22 | 2015-04-15 | 中国石油化工股份有限公司 | A kind of water and oil control second completion pipe string combination |
| CN104389553A (en) * | 2014-09-26 | 2015-03-04 | 西南石油大学 | Automatic phase selection control valve |
| CN105625991A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Water-controlling and oil-stabilizing inflow controller used for oil extraction system |
| CN105626003A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Control device used for regulating formation fluid |
| WO2016093805A1 (en) * | 2014-12-09 | 2016-06-16 | Halliburton Energy Services, Inc. | Downhole turbine assembly |
| CN105134141A (en) * | 2015-08-25 | 2015-12-09 | 中国石油天然气股份有限公司 | Process pipe column |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832723A (en) * | 2019-11-22 | 2021-05-25 | 中国石油化工股份有限公司 | Self-adaptive water control device for gas well and design method thereof |
| CN112832723B (en) * | 2019-11-22 | 2022-12-09 | 中国石油化工股份有限公司 | Self-adaptive water control device for gas well and design method thereof |
| CN113639304A (en) * | 2020-05-11 | 2021-11-12 | 中国石油化工集团有限公司 | Forced convection heat exchange type geothermal water horizontal well single well heat supply system |
| CN111980627A (en) * | 2020-08-31 | 2020-11-24 | 东营市瑞丰石油技术发展有限责任公司 | Oil extraction water control valve |
| CN112267855A (en) * | 2020-09-22 | 2021-01-26 | 中国石油天然气股份有限公司 | Flow-regulating water-controlling sand-preventing well completion pipe string and sand filling method |
| CN112228014A (en) * | 2020-11-03 | 2021-01-15 | 山东普瑞思德石油技术有限公司 | Anti-blocking water control screen pipe |
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