CN104895557B - A kind of intelligent well completion simulation system production fluid simulator - Google Patents
A kind of intelligent well completion simulation system production fluid simulator Download PDFInfo
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- CN104895557B CN104895557B CN201510134272.5A CN201510134272A CN104895557B CN 104895557 B CN104895557 B CN 104895557B CN 201510134272 A CN201510134272 A CN 201510134272A CN 104895557 B CN104895557 B CN 104895557B
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Abstract
The present invention relates to a kind of intelligent well completion simulation system production fluid simulator, including sleeve, throttling valve pocket, sliding sleeve, adjusting screw and connector；The sleeve, throttling valve pocket and sliding sleeve ecto-entad are sequentially distributed, and connector, adjusting screw and throttling valve pocket are sleeved on the outside of sliding sleeve successively from left to right.The advantage of the invention is that：The process of simulation throttling valve pocket controlling stream body pressure and flow is can be very good by the simulator of the present invention.
Description
Technical field
The present invention relates to intelligent Well Completion field, more particularly to a kind of intelligent well completion simulation system production fluid simulation
Device.
Background technology
Intelligent Well Completion is the international cutting edge technology that petroleum works field just grows up nearly ten years.By installed in oil
Real-time monitoring system, the data of underground oil gas production information (such as pressure, temperature, flow) can be obtained in gas production well or injection well
Transmission system and production fluid control system composition.Intelligent Well Completion can in real time enter in the case where not needing manual intervention
Row reservoir management, downhole production information gathering analyze underground occurrence and oil reservoir occurrence with transmission, in real time, obtain overall completion tubular column
Creation data data.Compared with conventional well, intelligent Well Completion can remotely be monitored to each oil reservoir or branch, can basis
Oil well production situation carries out casing programme and matches somebody with somebody to regulate and control production profile again, is capable of the influx of each layer of independent control or branch fluid
Or injection rate, natural energy can be made full use of to exploit, can effectively control interlayer interference, delay water breakthrough suppresses on moisture content
Rise etc., and then the Production development of oil reservoir is adjusted, real-time control and the optimizing exploitation of oil reservoir are realized, operation is being reduced to greatest extent
Oil field ultimate recovery is at utmost improved while expense and production risk, intelligent Well Completion, which is just turning into domestic and international oil, to be looked forward to
Industry focus of attention.
The research of intelligent Well Completion has been carried out for many years abroad with application, and existing Duo Jia geophysical service companies of foreign countries grind
The intelligent completion system of maturation is sent, it is multiple in Na Kika oil fields, GOM oil fields, Ecuador oil fields, Snorre oil fields etc.
It is marine to be mounted with thousands of set intelligent completion systems with onshore oil field, it is applied to horizontal well, extended reach well, gas well, outlying well and many
In layer producing well and water injection well.By adjusting flow control valve（Inflow Control Valve, ICV）Each production of optimization distribution
Layer yield, improves well yield while reducing well number, postpone water enchroachment (invasion), improve floood conformance efficiency and recovery ratio, solves
Due to coning caused by heterogeneous reservoir.Realize increases crude output, reduction ground moisture content, avoids altering to greatest extent
Flow, be maintained at the purpose more than bubble point pressure produced.It facts have proved that the Production development of intelligent completion system is much better than conventional well,
And the exploitation rate of oil reservoir can be greatly speeded up, improve the ultimate recovery in oil field.
With the exploration and development of the special oil and gas pools such as China desert, deep-sea, border, reservoir hypotonic, many series of strata in gradually
Based on the oil reservoir of development, the complex structural well such as multicompletion well, horizontal well, Multilateral Wells has become China and develops this kind of oil reservoir,
Improve the Main Means of well yield and ultimate recovery.However, due in China LOW PERMEABILITY RESERVOIR anisotropism it is strong, using routine
When multicompletion well, horizontal well, Multilateral Wells are produced, following problem can be usually faced：
1. serious interlayer interference in pit shaft, well yield is low；
2. the easy water enchroachment (invasion) of oil reservoir, water-free oil production period is short, and individual well is with short production cycle, and oil recovery is low；
3. the conventional production logging of horizontal segment is difficult, and cost is high, and the off-time is long；
4. borehole size is smaller, and underground space is limited, and conventional mechanical water blockoff is difficult with de-plugging operation.
Because routine techniques can not be handled above-mentioned actual production problem in time, multicompletion well, horizontal well, branch are caused
Well is with short production cycle, and individual well utilization rate is low, significantly reduces oil reservoir ultimate recovery, huge economic loss is caused, to normal
Rule productive function is challenged, and it is then the chief motivation for developing China's intelligent Well Completion to tackle these challenges.
At present, China's intelligent Well Completion is at the early-stage, also in the tracking to external intelligent Well Completion and local skill
Art pilot phase.In addition, the external international corporation for possessing intelligent Well Completion carries out skill to intelligent well completion key technology
Art is blocked, and is only provided equipment and service, is not provided technology.External a set of intelligent completion system is 200~5,000,000 dollars,
This necessarily raises production cost, and this does not meet the fundamental realities of the country of China.Although Oil Exploration in China developmental research institute is using introduction
The mode of the crucial downhole tool and domestic supporting basic components of the external intelligent Well Completion in part, has been completed 2 mouthfuls simply
Intelligent well completion test well, the domestic preliminary condition for possessing research and development intelligent Well Completion hardware.But, due to not matching somebody with somebody accordingly
Intelligent Well Completion theory support is covered, and conventional theory of recovering the oil is not suitable for the intelligent completion system equipped with downhole flow control valve
Analysis.Therefore, it is impossible to according to measured underground real-time pressure and temperature data the oil nozzle aperture of underground ICV valves is combined into
Row regulation, the various advantages of intelligent Well Completion are not fully played.The theoretical research of intelligent Well Completion into
Develop the bottleneck of intelligent Well Completion for China, seriously govern the popularization and development of China's intelligent Well Completion.Therefore, breaking
The blocked styate of external intelligent Well Completion, the intelligent Well Completion theoretical research gesture for be applied to domestic oil-gas reservoir feature exists
It must go, it will meet the industrial active demand of domestic petroleum, promote application and hair of the intelligent Well Completion in China oil field
Exhibition.
The content of the invention
, can be very the technical problem to be solved in the present invention is to provide a kind of intelligent well completion simulation system production fluid simulator
Good simulation throttling valve pocket controlling stream body pressure and the process of flow.
In order to solve the above technical problems, the technical scheme is that：A kind of intelligent well completion simulation system production fluid mould
Intend device, its innovative point is：Including sleeve, throttling valve pocket, sliding sleeve, adjusting screw and connector；
The sleeve, throttling valve pocket and sliding sleeve ecto-entad are sequentially distributed, and connector, adjusting screw and throttling valve pocket are by a left side
It is sleeved on the outside of sliding sleeve successively to the right；
The sleeve is a barrel-shaped structure, and ten fluids injection of vertical interlaced distribution is provided with the cylinder of sleeve
Hole, while be also equipped with an annular fluid measuring point A in horizontal level, the left and right sides of sleeve madial wall respectively with it is left,
It is threadedly coupled, and is sealed between sleeve and left and right sleeve plug by sealing ring formation between the outer wall of right sleeve plug；
The throttling valve pocket is a tubular structure, and the cavity for holding fluid storage, section are left between throttling valve pocket and sleeve
The lateral wall for flowing the left and right ends of valve pocket is threadedly coupled between the inwall of left and right sleeve plug respectively, and throttling valve pocket and the right side
Sealed between sleeve plug by sealing ring formation, one annular fluid measuring point is installed in the horizontal level of the cylinder of throttling valve pocket
B, is machined with the inside of throttling valve pocket and holds the cavity of sliding sleeve slidably, symmetrically two edges are provided with the outer wall of throttling valve pocket
The Slotted bores connected with inboard cavity body phase of throttling valve pocket long axis direction extension；
The sliding sleeve is a tubular structure, and six road sealed grooves, the sliding sleeve and choke valve are respectively provided with the two ends of sliding sleeve
Different size of throttle bore is mixed between the Slotted bores of set, clearance seal is formed between the cavity for the valve pocket that throttles,
A reference graduation is also carved with the lateral wall of sliding sleeve, while also having a positioning hole on sliding sleeve；
The two ends of the adjusting screw are threadedly coupled between left sleeve plug, connector respectively, on adjusting screw also
With a regulation ring that screw thread coordinates therewith, one end of regulation ring is provided with the alignment pin of sliding sleeve positioning hole matching, and
Several are symmetrically provided with adjusting screw and holds the elongated slot that alignment pin is slided, long axis direction of the elongated slot along adjusting screw extends,
Scale is also machined with elongated slot, the alignment pin can be moved horizontally with the rotation of regulation ring along elongated slot, and positioning
Sliding sleeve can be driven to be moved horizontally after the embedded positioning hole of pin；
The connector is a tubular structure, has one to hold the cavity of sliding sleeve slidably, connection in the inner side of connector
It is threadedly coupled between one end of madial wall of head and the outer wall of adjusting screw.
Further, the external diameter of the sleeve is 177.8mm, and latus rectum is between 147-166mm, length >=850mm, sleeve
Cylinder it is pressure-resistant be 5MPa, the spacing of fluid injecting hole is 100mm, and DN is φ 20mm, annular fluid measuring point A DN >=4mm, set
Seal pressure >=5MPa between cylinder and left and right sleeve plug, through hole is passed through what left sleeve plug was provided with DN >=4mm.
Further, the external diameter of the throttling valve pocket is 100mm, and minimum diameter is 72mm, and length >=750mm is pressure-resistant to be
5MPa, annular fluid measuring point B DN >=4mm, seal pressure >=5MPa between throttling valve pocket and left and right sleeve plug, throttling
The bore φ of cavity on the inside of valve pocket is 85.025mm, inside cavities face finish≤0.4, cavity cylindricity 0.004, linearity
0.03, axiality 0.03, end face squareness 0.04, throttling valve pocket remaining surface finish is 0.8.
Further, the sliding sleeve external diameter is 85.025mm, and internal diameter is 72mm, length >=1665mm, and pressure-resistant is 5MPa, sliding
Cover surface and surface smoothness≤0.4 of both ends of the surface, the perpendicularity 0.04 of sliding sleeve end face, sliding sleeve axiality 0.03, cylindricity
0.007, linearity 0.03.
Further, external diameter >=116mm of the adjusting screw, internal diameter is 86mm, length >=820mm, and pressure-resistant is 5MPa,
The bar number of institute's cutting elongated groove is >=2 integer on external diameter >=140mm of regulation ring, internal diameter 109mm, length >=80mm, adjusting screw,
The length of elongated slot is 610mm, and width is that the scale precision of the scale on 10mm, adjusting screw is 1mm.
Further, external diameter >=120mm of the connector, minimum interior through being 72mm, length >=880mm is pressure-resistant to be
The bore φ of cavity on the inside of 5MPa, connector is 85.025mm, inside cavities face finish≤0.4, cavity cylindricity
0.004, linearity 0.03, axiality 0.03, end face squareness 0.04, connector remaining surface finish is 0.8.
Further, the other end of the right plug of the sleeve is threadedly coupled with current stabilization part, the current stabilization part include barretter,
Fixed plate, regulation ring and plastic optical fibre, barretter are a tubular structure, and the two ends of the inwall of barretter are respectively connection short circuit,
The regulation ring, plastics are spacing and fixed plate is located in barretter, are sequentially distributed along the flow direction of fluid, and by steady
The connection short circuit at flow tube two ends is fixed.
Further, external diameter >=108mm of the barretter, minimum interior through being 72mm, length >=430mm is pressure-resistant to be
5MPa。
Further, the attachment structure between the regulation ring and alignment pin is specially：It is provided with the side of regulation ring
One tubulose mounting seat, the mounting seat is sleeved on outside sliding sleeve, the cross section shape in T shape of the mounting seat, in the inwall of mounting seat
With a hole for holding alignment pin insertion, it is connected between regulation ring and mounting seat by being arranged at the connection ring on the outside of both, institute
State and be threadedly coupled between connection ring and the lateral wall of regulation ring, there is a T-slot matched with mounting seat in connection ring.
Further, one is additionally provided between the regulation ring and connection ring prevents what regulation ring from relatively rotating with connection ring
Spacer pin.
The advantage of the invention is that：Operationally, fluid flows into section to the simulator of the present invention from the fluid injecting hole of sleeve
Flow in the cavity between valve pocket and sleeve, and can be detected by the annular fluid measuring point A on sleeve, in choke valve
The fluid in cavity between set and sleeve can mix into throttle bore between the Slotted bores of sliding sleeve and the valve pocket that throttles and enter
Throttle in valve pocket, and the aperture of throttle bore between sliding sleeve and throttling valve pocket Slotted bores can be adjusted by regulation ring, so that real
The regulation of existing flow, while can be detected by the annular fluid measuring point B put installed in choke valve, passes through the mould of the present invention
Intend the process that device can be very good simulation throttling valve pocket controlling stream body pressure and flow.
In addition, being carried out rationally to data such as size, the pressure voltages of part such as the sleeve in simulator, throttling valve pocket, sliding sleeve
Design, to ensure the accuracy of simulator analogue data.
By setting up a current stabilization part in the side of right sleeve plug, it can to flow into next layer of rapids from right sleeve plug
Stream becomes stationary flow, and the size of flow can be adjusted by regulation ring.
In the present invention, by the design of spacer pin, it can prevent from relatively rotating between regulation ring and connection ring, keep away
Exempt from occur only having regulation ring to rotate, and the phenomenon that alignment pin can not be moved together therewith, the elongated slot of influence sliding sleeve and throttling valve pocket
The regulation of the throttle bore formed between shape hole.
Brief description of the drawings
Fig. 1 is the schematic diagram of the intelligent well completion simulation system production fluid simulator of the present invention.
Fig. 2 is the schematic diagram of the intelligent well completion simulation system production fluid simulator middle sleeve of the present invention.
Fig. 3 is the schematic diagram of left sleeve plug in intelligent well completion simulation system production fluid simulator of the invention.
Fig. 4 is the schematic diagram of right sleeve plug in intelligent well completion simulation system production fluid simulator of the invention.
Fig. 5 is the schematic diagram of throttling valve pocket in intelligent well completion simulation system production fluid simulator of the invention.
Fig. 6 is Fig. 5 side view.
Fig. 7 is Fig. 6 A-A views.
Fig. 8 is the schematic diagram of sliding sleeve in intelligent well completion simulation system production fluid simulator of the invention.
Fig. 9 is Fig. 8 B-B views.
Figure 10 is the schematic diagram of adjusting screw in intelligent well completion simulation system production fluid simulator of the invention.
Figure 11 is Figure 10 C-C views.
Figure 12 shows for the connection of regulation ring and alignment pin in the intelligent well completion simulation system production fluid simulator of the present invention
It is intended to.
Figure 13 is the schematic diagram of regulation ring in intelligent well completion simulation system production fluid simulator of the invention.
Figure 14 is the schematic diagram of connection ring in intelligent well completion simulation system production fluid simulator of the invention.
Figure 15 is the schematic diagram of mounting seat in intelligent well completion simulation system production fluid simulator of the invention.
Figure 16 is the schematic diagram of connector in intelligent well completion simulation system production fluid simulator of the invention.
Embodiment
Schematic diagram as shown in Figure 1 understands that intelligent well completion simulation system production fluid simulator of the invention includes sleeve
7th, throttling valve pocket 6, sliding sleeve 2, adjusting screw 3 and connector 1.
Sleeve 7, throttling valve pocket 6 and the ecto-entad of sliding sleeve 2 be sequentially distributed, connector 1, adjusting screw 3 and throttling valve pocket 6 by
From left to right is sleeved on the outside of sliding sleeve 2 successively.
Schematic diagram as shown in Figure 2 understands that sleeve 7 is a barrel-shaped structure, and vertical friendship is provided with the cylinder of sleeve 7
Ten fluid injecting holes 72 of mistake distribution, while being also equipped with an annular fluid measuring point A71, the annular fluid in horizontal level
Measuring point A71 is weldingly fixed on sleeve 7, the left and right sides of sleeve 7 madial wall respectively with left sleeve plug 5, right shutoff sleeve
It is threadedly coupled between first 8 outer wall, left sleeve plug 5, the structure of right sleeve plug 8 are distinguished as shown in Figure 3, Figure 4, sleeve 7
Two ends are sealed between left sleeve plug 5, the outer wall of right sleeve plug 8 by sealing ring formation respectively, and its concrete structure is：
The annular groove of appearance sealing ring insertion is provided with left sleeve plug 5, the outer wall of right sleeve plug 8, annular groove is located at left sleeve
The inner side of plug 5, right sleeve plug 8, sealing ring is embedded in after the annular groove to sleeve 7 and left sleeve plug 5, right sleeve plug 8
Between formed sealing.
The external diameter of sleeve 7 is 177.8mm, and the latus rectum of sleeve 7 is between 147-166mm, length >=850mm of sleeve 7, set
It is 5MPa that the cylinder of cylinder 7 is pressure-resistant, and the spacing between two adjacent fluid injecting holes 72 of same row is 100mm, DN
For φ 20mm, annular fluid measuring point A71 DN >=4mm, the sealing pressure between sleeve 7 and left sleeve plug 5, right sleeve plug 8
Power >=5MPa, passes through through hole, remaining geometric sense tolerance can refer to standardization of casing what left sleeve plug 5 was provided with DN >=4mm.
From the schematic diagram shown in Fig. 5-Fig. 7, throttling valve pocket 6 is a tubular structure, throttling valve pocket 6 and sleeve 7 it
Between leave hold fluid storage cavity, throttle valve pocket 6 left and right ends lateral wall respectively with left sleeve plug 5, right shutoff sleeve
It is threadedly coupled, and is sealed between throttling valve pocket 6 and the inwall of right sleeve plug 8 by sealing ring formation between first 8 inwall, its
Structure is specially：The annular groove for holding sealing ring insertion is provided with the outer wall of throttling valve pocket 6, sealing ring is embedded in right after the annular groove
Throttle to be formed between valve pocket 6 and right sleeve plug 8 and seal, one Annular cutting is installed in the horizontal level of the cylinder of throttling valve pocket 6
Body examination point B61, annular fluid measuring point B61 are weldingly fixed on throttling valve pocket 6, and being machined with appearance in the inner side of throttling valve pocket 6 slides
Set cavity slidably, on the outer wall of throttling valve pocket 6 it is symmetrical be provided with two along the throttling long axis direction of valve pocket 6 extension with
The Slotted bores 62 that the inboard cavity body phase of valve pocket 6 that throttles is connected.
Throttle valve pocket 6 external diameter be 100mm, throttling valve pocket 6 minimum diameter be 72mm, throttle valve pocket 6 length >=
750mm, the pressure-resistant of throttling valve pocket 6 is 5MPa, annular fluid measuring point B61 DN >=4mm, throttling valve pocket 6 and left sleeve plug 5,
Seal pressure >=5MPa between right sleeve plug 8, the bore φ of the cavity of the inner side for the valve pocket 6 that throttles is 85.025mm, cavity
Medial surface finish≤0.4, cavity cylindricity 0.004, linearity 0.03, axiality 0.03, end face squareness 0.04, choke valve
It is 0.8 to cover 6 remaining surface finish, and remaining geometric sense tolerance can refer to oil pipe standard.
From the schematic diagram shown in Fig. 8, Fig. 9, sliding sleeve 2 is a tubular structure, is respectively provided with six roads at the two ends of sliding sleeve 2 close
Groove 22 is sealed, different size of throttle bore, sliding sleeve 2 and throttling are mixed between sliding sleeve 2 and the Slotted bores 62 for the valve pocket 6 that throttles
Clearance seal is formed between the cavity of valve pocket 6, a reference graduation is also carved with the lateral wall of sliding sleeve 2, while on sliding sleeve also
With a positioning hole 21.
The external diameter of sliding sleeve 2 is 85.025mm, and the internal diameter of sliding sleeve 2 is 72mm, length >=1665mm of sliding sleeve 2, sliding sleeve 2 it is resistance to
Press as 5MPa, the surface of sliding sleeve 2 and surface smoothness≤0.4 of both ends of the surface, the perpendicularity 0.04 of the end face of sliding sleeve 2, sliding sleeve 2
Axiality 0.03, cylindricity 0.007, linearity 0.03, remaining geometric sense tolerance can refer to oil pipe standard.
Schematic diagram as shown in Figure 10, Figure 11 understands, the two ends of adjusting screw 3 respectively with left sleeve plug 5, connector 1
Between be threadedly coupled, on adjusting screw 3 also have one therewith screw thread coordinate regulation ring 4, one end of regulation ring 4 is provided with one
The alignment pin 44 that positioning hole 21 on sliding sleeve 2 matches, and symmetrically it is provided with what several appearance alignment pins were slided on adjusting screw 3
Elongated slot 31, long axis direction extension of the elongated slot 31 along adjusting screw 3, is also machined with scale, alignment pin 44 can on elongated slot 31
Moved horizontally with the rotation of regulation ring 4 along elongated slot 31, and sliding sleeve 2 can be driven after the insertion positioning hole 21 of alignment pin 44
Moved horizontally.
Schematic diagram as shown in figure 12 understands that the attachment structure between regulation ring 4 and alignment pin 44 is specially：In regulation ring
4 side is provided with a tubulose mounting seat 43, and the mounting seat 43 is sleeved on outside sliding sleeve 2, and the cross section of mounting seat 43 is in T shape
Shape, has one to hold the hole that alignment pin 44 is embedded in, by being arranged at two between regulation ring 4 and mounting seat 43 in the inwall of mounting seat 43
Connection ring 42 on the outside of person is connected, and is threadedly coupled between connection ring 42 and the lateral wall of regulation ring 4, has in connection ring 42
One T-slot matched with mounting seat 43.
One is additionally provided between regulation ring 4 and connection ring 42 prevents regulation ring 4 and connection ring 42 from relatively rotating spacing
Pin.
External diameter >=116mm of adjusting screw 3, the internal diameter of adjusting screw 3 is 86mm, length >=820mm of adjusting screw 3,
The pressure-resistant of adjusting screw 3 is 5MPa, external diameter >=140mm of regulation ring 4, the internal diameter 109mm of regulation ring 4, the length of regulation ring 4 >=
The bar number of institute's cutting elongated groove 31 is >=2 integer on 80mm, adjusting screw 3, and the length of elongated slot 31 is 610mm, the width of elongated slot 31
For 10mm, the scale precision of the scale on adjusting screw 3 is 1mm.
The connector 1 is a tubular structure, has one to hold the cavity of sliding sleeve 2 slidably in the inner side of connector 1, even
It is threadedly coupled between one end of the madial wall of joint 1 and the outer wall of adjusting screw 3.
Through being 72mm, length >=880mm of connector 1 in external diameter >=120mm of connector 1, the minimum of connector 1, connect
The pressure-resistant of joint 1 is 5MPa, and the bore φ of the cavity of the inner side of connector 1 is 85.025mm, inside cavities face finish≤
0.4, cavity cylindricity 0.004, linearity 0.03, axiality 0.03, end face squareness 0.04, the remaining surface of connector 1 is bright and clean
Spend for 0.8, remaining geometric sense tolerance can refer to oil pipe standard.
The other end of the right plug 8 of sleeve is threadedly coupled with current stabilization part, current stabilization part include barretter, fixed plate, regulation ring and
Plastic optical fibre, barretter is a tubular structure, and the two ends of the inwall of barretter are respectively connection short circuit, and regulation ring, plastics are spacing
And fixed plate is located in barretter, is sequentially distributed along the flow direction of fluid, and the connection short circuit for passing through barretter two ends
It is fixed.
External diameter >=108mm of barretter, minimum interior through being 72mm, length >=430mm is pressure-resistant for 5MPa.
The design considerations of this simulator is：Intelligent Well Completion is mainly by adjusting on each ICV valves flow restriction valve pocket
The combination of oil nozzle aperture reach that oily overpressure is balanced, individually control each stressor layer and flow, realize that layer by layer all oil-producing, control water increase
The purpose of production, the function of possessing production logging and production performance observation.Actually intelligent Well Completion theory mainly studies oil
Mouth aperture combines the relation with Fluid pressure and flow, therefore, intelligent well completion simulation system teaching experiment platform main analog stream
The process that body enters in ICV valves from sleeve pipe.Because in-house laboratory investigation is mainly the combination of research ICV valve oil mouths aperture and fluid pressure
Power and the relation and moisture content of flow, the relation of fluid viscosity and temperature, it is unrelated with static pressure, therefore, static pressure is removed, mould is only needed
The inside and outside control 0~4MPa of pressure difference produced of quasi-simple layer ICV valves, sleeve pipe, ICV valves flow restriction valve pocket model and connected pipes
Model all uses actual size and structure, can simulate domestic well yield 210m3Within/d, within 150 DEG C of reservoir temperature
Three interval multicompletion wells, horizontal well, the production status of Multilateral Wells.The fluid section of flow restriction valve pocket model and actual ICV valves
Stream valve pocket size is consistent with structure, and therefore, the thermally coupled flow of flow restriction valve pocket model can be with the equivalent inflow into actual ICV valves
Dynamic.
This simulator is when being operated, and the flow direction of its fluid is：First, fluid is from the fluid injecting hole 72 on sleeve 7
Into in the cavity between sleeve 7 and throttling valve pocket 6, now, A71 pairs of the annular fluid measuring point on sleeve 7 can be passed through
The data such as pressure, the temperature of the fluid in the cavity are detected, then rotate regulation ring 4 so that regulation ring 4 is along regulation silk
Thick stick 3 is gradually moved to the direction of connector 1, while by the effect of alignment pin 44 sliding sleeve 2 can be driven to be moved to the direction of connector 1,
Also, with the movement of sliding sleeve 2, the Slotted bores 62 on throttling valve pocket 6 can gradually be opened, while opening, position
Empty cavity fluid between sleeve 7 and throttling valve pocket 6 can be entered in the cavity in throttling valve pocket 6, meanwhile, can be by installing
Annular fluid measuring point B61 on throttling valve pocket 6 enters to data such as pressure, the temperature of fluid in the cavity in throttling valve pocket 6
Row detection, and can be by adjusting the movement of sliding sleeve 2, come the size of the aperture that controls Slotted bores 62, so as to good mould
The combination of oil nozzle aperture and Fluid pressure and the relation of flow are drawn up, the fluid in cavity then throttled in valve pocket 6 can be from right set
Cylinder plug 8 is flowed into current stabilization part, by the design of current stabilization part, can become the turbulent flow flowed out out of cavity in throttling valve pocket 6
It is convenient to enter in next cavity into stationary flow, while the size of flow can be adjusted by the regulation ring in current stabilization part.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of intelligent well completion simulation system production fluid simulator, it is characterised in that：Including sleeve, throttling valve pocket, sliding sleeve, tune
Save leading screw and connector；
The sleeve, throttling valve pocket and sliding sleeve ecto-entad are sequentially distributed, and connector, adjusting screw and throttling valve pocket are from left to right
The outside of sliding sleeve is sleeved on successively；
The sleeve is a barrel-shaped structure, and ten fluid injecting holes of vertical interlaced distribution are provided with the cylinder of sleeve,
Simultaneously be also equipped with an annular fluid measuring point A in horizontal level, the left and right sides of sleeve madial wall respectively with left and right set
It is threadedly coupled, and is sealed between sleeve and left and right sleeve plug by sealing ring formation between the outer wall of cylinder plug；
The throttling valve pocket is a tubular structure, and the cavity for holding fluid storage, choke valve are left between throttling valve pocket and sleeve
The lateral wall of the left and right ends of set is threadedly coupled between the inwall of left and right sleeve plug respectively, and throttling valve pocket and right sleeve
Sealed between plug by sealing ring formation, one annular fluid measuring point B is installed in the horizontal level of the cylinder of throttling valve pocket,
It is machined with the inside of throttling valve pocket and holds the cavity of sliding sleeve slidably, symmetrically two is provided with along section on the outer wall of throttling valve pocket
Flow the Slotted bores connected with inboard cavity body phase of valve pocket long axis direction extension；
The sliding sleeve is a tubular structure, and six road sealed grooves, the sliding sleeve and throttling valve pocket are respectively provided with the two ends of sliding sleeve
Different size of throttle bore is mixed between Slotted bores, clearance seal is formed between the cavity for the valve pocket that throttles, in sliding sleeve
Lateral wall on be also carved with a reference graduation, while on sliding sleeve also have a positioning hole；
The two ends of the adjusting screw are threadedly coupled between left sleeve plug, connector respectively, are also had on adjusting screw
One regulation ring that screw thread coordinates therewith, one end of regulation ring is provided with the alignment pin of sliding sleeve positioning hole matching, and in regulation
Several are symmetrically provided with leading screw and holds the elongated slot that alignment pin is slided, long axis direction extension of the elongated slot along adjusting screw, in elongated slot
On be also machined with scale, the alignment pin can be moved horizontally with the rotation of regulation ring along elongated slot, and alignment pin is embedding
Entering can drive sliding sleeve to be moved horizontally after positioning hole；
The connector is a tubular structure, has one to hold the cavity of sliding sleeve slidably in the inner side of connector, connector
It is threadedly coupled between one end of madial wall and the outer wall of adjusting screw；
The external diameter of the sleeve is 177.8mm, and latus rectum is between 147-166mm, length >=850mm, and the cylinder of sleeve is pressure-resistant to be
5MPa, the spacing of fluid injecting hole is 100mm, and DN is φ 20mm, annular fluid measuring point A DN >=4mm, sleeve and left and right set
Seal pressure >=5MPa between cylinder plug, through hole is passed through what left sleeve plug was provided with DN >=4mm.
2. intelligent well completion simulation system production fluid simulator according to claim 1, it is characterised in that：The choke valve
The external diameter of set be 100mm, minimum diameter is 72mm, length >=750mm, it is pressure-resistant be 5MPa, annular fluid measuring point B DN >=4mm,
The bore φ of cavity on the inside of the seal pressure >=5MPa throttled between valve pocket and left and right sleeve plug, throttling valve pocket is
85.025mm, inside cavities face finish≤0.4, cavity cylindricity 0.004, linearity 0.03, axiality 0.03, end face is vertical
Degree 0.04, throttling valve pocket remaining surface finish is 0.8.
3. intelligent well completion simulation system production fluid simulator according to claim 1, it is characterised in that：Outside the sliding sleeve
Footpath is 85.025mm, and internal diameter is 72mm, length >=1665mm, and pressure-resistant is 5MPa, sliding sleeve surface and both ends of the surface surface smoothness
≤ 0.4, the perpendicularity 0.04 of sliding sleeve end face, sliding sleeve axiality 0.03, cylindricity 0.007, linearity 0.03.
4. intelligent well completion simulation system production fluid simulator according to claim 1, it is characterised in that：The regulation silk
External diameter >=116mm of thick stick, internal diameter is 86mm, length >=820mm, and pressure-resistant is 5MPa, external diameter >=140mm of regulation ring, internal diameter
The bar number of institute's cutting elongated groove is >=2 integer on 109mm, length >=80mm, adjusting screw, and the length of elongated slot is 610mm, and width is
The scale precision of scale on 10mm, adjusting screw is 1mm.
5. intelligent well completion simulation system production fluid simulator according to claim 1, it is characterised in that：The connector
External diameter >=120mm, it is minimum in through being 72mm, length >=880mm, pressure-resistant is the bore φ of the cavity on the inside of 5MPa, connector
For 85.025mm, inside cavities face finish≤0.4, cavity cylindricity 0.004, linearity 0.03, axiality 0.03, end face hangs down
Straight degree 0.04, connector remaining surface finish is 0.8.
6. intelligent well completion simulation system production fluid simulator according to claim 1, it is characterised in that：The sleeve is right
The other end of plug is threadedly coupled with current stabilization part, and the current stabilization part includes barretter, fixed plate, regulation ring and plastic optical fibre, surely
Flow tube is a tubular structure, and the two ends of the inwall of barretter are respectively connection short circuit, and the regulation ring, plastics are spacing and fixed plate
In barretter, it is sequentially distributed, and is fixed by the connection short circuit at barretter two ends along the flow direction of fluid.
7. intelligent well completion simulation system production fluid simulator according to claim 6, it is characterised in that：The barretter
External diameter >=108mm, it is minimum in through being 72mm, length >=430mm, pressure-resistant is 5MPa.
8. intelligent well completion simulation system production fluid simulator according to claim 1, it is characterised in that：The regulation ring
Attachment structure between alignment pin is specially：A tubulose mounting seat is provided with the side of regulation ring, the mounting seat is sleeved on
Outside sliding sleeve, the cross section shape in T shape of the mounting seat has a hole for holding alignment pin insertion, regulation in the inwall of mounting seat
It is connected between ring and mounting seat by being arranged at the connection ring on the outside of both, between the lateral wall of the connection ring and regulation ring
Threaded connection, has a T-slot matched with mounting seat in connection ring.
9. intelligent well completion simulation system production fluid simulator according to claim 8, it is characterised in that：The regulation ring
A spacer pin for preventing regulation ring from being relatively rotated with connection ring is additionally provided between connection ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510134272.5A CN104895557B (en) | 2015-03-26 | 2015-03-26 | A kind of intelligent well completion simulation system production fluid simulator |
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| CN201510134272.5A CN104895557B (en) | 2015-03-26 | 2015-03-26 | A kind of intelligent well completion simulation system production fluid simulator |
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| CN106014356B (en) * | 2016-07-12 | 2018-09-25 | 泸州聚源石油科技有限公司 | Pressure sand-proof type movable underground throttle can be balanced |
| CN111579312A (en) * | 2019-02-18 | 2020-08-25 | 帆宣系统科技股份有限公司 | Sampling device for gas detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4044834A (en) * | 1975-04-09 | 1977-08-30 | Perkins Lee E | Apparatus and method for controlling the flow of fluids from a well bore |
| US7428924B2 (en) * | 2004-12-23 | 2008-09-30 | Schlumberger Technology Corporation | System and method for completing a subterranean well |
| CN201915903U (en) * | 2010-12-17 | 2011-08-03 | 中国石油天然气股份有限公司 | Multi-stage flow control valve with J-shaped groove |
| CN103643920B (en) * | 2013-12-04 | 2016-04-06 | 北京源海威科技有限公司 | The method of Unconventional forage exploitation visual Simulation device and simulation mining thereof |
| CN204200198U (en) * | 2014-09-27 | 2015-03-11 | 中国石油化工集团公司 | Liquid channel controller is adopted in a kind of intelligent well completion down-hole |
| CN104405347B (en) * | 2014-12-03 | 2017-06-20 | 东营市福利德石油科技开发有限责任公司 | The stepless flow control device of hydraulic intelligent |
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