CN106121585B - It is a kind of to be used for reservoir reconstruction, production monitoring and the Intellectual valve of control - Google Patents
It is a kind of to be used for reservoir reconstruction, production monitoring and the Intellectual valve of control Download PDFInfo
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- CN106121585B CN106121585B CN201610491838.4A CN201610491838A CN106121585B CN 106121585 B CN106121585 B CN 106121585B CN 201610491838 A CN201610491838 A CN 201610491838A CN 106121585 B CN106121585 B CN 106121585B
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- hydraulic control
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 92
- 238000003860 storage Methods 0.000 claims abstract description 79
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 210000002445 nipple Anatomy 0.000 claims abstract description 26
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 208000000059 Dyspnea Diseases 0.000 claims description 2
- 206010013975 Dyspnoeas Diseases 0.000 claims description 2
- 208000013220 shortness of breath Diseases 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 14
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012546 transfer Methods 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
-
- 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- 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
- E21B47/00—Survey of boreholes or 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
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- 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)
- Geophysics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
It being used for reservoir reconstruction, production monitoring and the Intellectual valve of control, including connecting short section, electrical pipe nipple, liquid storage pipe nipple, hydraulic control pipe nipple and sliding-sleeve nipple the present invention relates to a kind of；Middle section of the present invention is full-bore, as liquid and downhole tool channel；The present invention receives and dispatches low-frequency electromagnetic wave by antenna by being installed on underground after screw thread and casing connection, when carrying out fracturing work as the component part of well cementing casing pipe and is wirelessly communicated with ground installation realization, the instruction and data that fulfils assignment transmitting-receiving；It after receiving job instruction, is flowed to by electrical and hydraulic control hydraulic oil, inner sliding sleeve, the fracturing fluid that is aligned or is staggered outlet is pushed to be turned on and off sliding sleeve, complete pressure break and the packing operation of fracturing sliding bushs at different levels.Switching process of the present invention is not necessarily to external auxiliary, and on-off times are unrestricted, and segmentation series is unrestricted, opens the sliding sleeve of designated layer position by instructing when pressure break, realizes that the stepless pressure limiting of reservoir is split；Effectively simplify fracturing process, shorten the activity duration, saves construction cost.
Description
Technical field
The present invention relates to natural petroleum gas field apparatus fields, especially a kind of to be used for reservoir reconstruction, production monitoring and control
The Intellectual valve of system.
Background technology
With going deep into for exploration and development, shale gas, fine and close gas reservoir enter the scale development stage, horizontal well fracturing and
The massive hydraulic fractures mode such as volume fracturing has been increasingly becoming the agent technology of oil-gas field development, and existing staged fracturing technology is main
Have：Open hole packer+sliding sleeve staged fracturing technology, drilling bridging plug staged fracturing technology, big orifice bridge plug staged fracturing technology,
Double envelope list pressure staged fracturing technologies, water-jet staged fracturing technology, but it has certain limitation.
Open hole packer+sliding sleeve technology cannot achieve due to needing different differential balls and ball seat cooperation to realize open sliding sleeve
Full-bore, segmentation series are limited；Though drilling bridging plug can carry out infinite stages massive hydraulic fracture, duty cycle is long, of high cost；Greatly
Latus rectum bridge plug staged fracturing technology maintains wellbore big orifice, without boring mill, but still can not achieve the full-bore of wellbore；Double envelope lists
Pressure staged fracturing technology need to drag tubing string, need Operating Pressure to coordinate, complicated for operation, long construction period；Water-jet staged fracturing
Technology is since the limited chock pressure difference in addition of the wear-resisting erosion resistance of spray orifice is big, therefore hop count of constructing is limited, duty cycle is long, construction rule
Mould is limited.Therefore the development that a kind of fracturing sliding bush for horizontal well infinite stages staged fracturing will push fracturing technique is developed.
Invention content
It is an object of the invention to overcome the prior art, provide a kind of for reservoir reconstruction, production monitoring and control
The Intellectual valve of system calculates simultaneously using underground is installed along with after the present invention and casing connection when well cementation according to fractured layer position
The installation site of the present invention is designed, then realizes that the wireless communication between ground and sliding sleeve, transmitting-receiving operation refer to by low-frequency electromagnetic wave
Order and data after receiving instruction, drive fracturing sliding bush reality to open and close, complete pressures at different levels by electrical with hydraulic control system
Split pressure break and the packing operation of sliding sleeve.Effectively solve existing for existing staged fracturing technology duty cycle is long, operating cost is high, point
The outstanding problems such as section series is limited, realize the extensive staged fracturing transformation of the infinite stages of reservoir.
The purpose of the present invention is achieved through the following technical solutions：It is a kind of for reservoir reconstruction, production monitoring and control
Intellectual valve, including connecting short section, electrical pipe nipple, liquid storage pipe nipple, hydraulic control pipe nipple and sliding-sleeve nipple,
The connecting short section includes that left box cupling connector, left end cap, right end cap and right box cupling connector, left end cap are set to a left side and connect
The right side of connector is bound round, right end cap is set to the left side of right box cupling connector,
The electrical pipe nipple includes mounting bracket, electrical connector, electrical inner wall and general outer wall, electrical inner wall coaxial package
In in general outer wall, the left end of electrical inner wall is connect with the right end inner surface of left box cupling connector by screw-thread fit, and left end cap is matched
It closes mounted on the left side of electrical inner wall, and the left side of left end cap and the right side of left box cupling connector fit closely, general outer wall
Left end and the outer surface of left end cap connected by screw-thread fit, electrical connector is fitted in general outer wall, electrical connector
Left end connect by screw-thread fit with the right end of electrical inner wall, left end cap, general outer wall, electrical connector and electrical inner wall are formed
Ring-shaped cavity, mounting bracket are mounted in the ring-shaped cavity, offer a plurality of groove on the outer surface of mounting bracket, in groove
Circuit board, antenna and lithium battery are installed, the right end face of mounting bracket is further opened with for laying lithium battery power cord and electricity
The mounting bracket cable passage of road panel data line is provided in the axial direction with electrical connector cable passage, electrical connector on electrical connector
Middle part inner wall on be also equipped with temperature and pressure transmitter, temperature and pressure transmitter and circuit board electrical connection,
The liquid storage pipe nipple includes liquid storage connector, liquid storage inner wall and general outer wall, and liquid storage connector is fitted to general outer
In wall, for liquid storage inner wall coaxial package in general outer wall, the left end of liquid storage inner wall and the right end of electrical connector pass through screw-thread fit
Connection, right end connect with the left end of liquid storage connector by screw-thread fit, electrical connector, liquid storage inner wall, liquid storage connector and it is general outside
Wall forms oil storage annular space, and multiple liquid storage connectors cable passage and multiple liquid storage connector liquid are offered in the axial direction on liquid storage connector
Pressure oil passage, liquid storage connector hydraulic oil channel are connected to oil storage annular space,
The hydraulic control pipe nipple includes hydraulic control connector, hydraulic control inner wall and general outer wall, and hydraulic control inner wall coaxial package is in general outer
In wall, the left end of hydraulic control inner wall is connect with the right end of liquid storage connector by screw-thread fit, the left end surfaces externally and internally point of hydraulic control connector
It is not connect by screw-thread fit with hydraulic control inner wall and general outer wall, liquid storage connector, general outer wall, hydraulic control connector and hydraulic control inner wall shape
Circlewise cavity is equipped with hydraulic control system in the ring-shaped cavity, and multiple are in axial direction offered on hydraulic control connector
One hydraulic channel hydraulic control short segment and multiple second hydraulic channel hydraulic control short segments, liquid storage connector hydraulic oil channel is respectively with first
Hydraulic channel hydraulic control short segment and the connection of the second hydraulic channel hydraulic control short segment,
The sliding-sleeve nipple includes sliding sleeve outer wall, sliding sleeve inner wall and inner sliding sleeve, left end and the hydraulic control connector of sliding sleeve outer wall
Right end outer surface is connected by screw-thread fit, and the left end outer surface of right end and right end cap is connected by screw-thread fit, sliding sleeve inner wall
Left end connect by screw-thread fit with the right end inner surface of hydraulic control connector, the left end inner surface of right end and right box cupling connector passes through
Screw-thread fit connects, and the right side of right end cap and the left side of right box cupling connector fit closely, and inner sliding sleeve is slidably mounted on sliding sleeve
Between outer wall and sliding sleeve inner wall, multiple sliding sleeve outer wall fracturing fluid outlets, the side of inner sliding sleeve are provided in the middle part of the side wall of sliding sleeve outer wall
Multiple inner sliding sleeve fracturing fluid outlets are provided in the middle part of wall, being provided with multiple sliding sleeve inner wall fracturing fluids in the middle part of the side wall of sliding sleeve inner wall goes out
Mouthful, when pressure break, the outlet of sliding sleeve inner wall fracturing fluid, the outlet of inner sliding sleeve fracturing fluid and sliding sleeve outer wall fracturing fluid outlet alignment, outside sliding sleeve
The second hydraulic channel sliding sleeve external wall section is provided in the axial direction on wall, hydraulic control connector, sliding sleeve outer wall, inner sliding sleeve and sliding sleeve inner wall enclose
Form the first hydraulic cavities, the first hydraulic channel hydraulic control short segment and the first hydraulic chamber into communication, right end cap, sliding sleeve outer wall, inner sliding sleeve
The second hydraulic cavities are enclosed with sliding sleeve inner wall, the second hydraulic channel hydraulic control short segment passes through the second hydraulic channel sliding sleeve external wall section
With the second hydraulic chamber into communication.
The hydraulic control system includes two-bit triplet solenoid directional control valve A, two-bit triplet solenoid directional control valve B, direct current
Machine and hydraulic pump, the output end of direct current generator and the input terminal of retarder connect, the output end of retarder and the power of hydraulic pump
Input terminal connects, and the inlet of hydraulic pump connect with oil storage annular space, the liquid outlet of hydraulic pump respectively with two-bit triplet electromagnetic switch
The first interface connection of valve A, two-bit triplet solenoid directional control valve B, second interface and the first hydraulic pressure of two-bit triplet solenoid directional control valve A
Chamber is connected to, second interface and the second hydraulic chamber into communication of two-bit triplet solenoid directional control valve B, two-bit triplet solenoid directional control valve A and two
The third interface of position three-way solenoid valve B is connected to oil storage annular space respectively.
Flowmeter, liquid outlet and the two-bit triplet electricity of the hydraulic pump are additionally provided at the liquid outlet of the hydraulic pump
It is additionally provided with overflow valve between the third interface of magnetic reversal valve A.
The inner surface of the sliding sleeve outer wall is provided in the axial direction with circumferential limiting slot, the appearance wall upper edge of the inner sliding sleeve
Radial direction is provided with circumferential spacer pin, and circumferential spacer pin is slidably matched with circumferential limiting slot.
Sliding sleeve outer wall liquid injection port, sliding sleeve outer wall liquid injection port and the second hydraulic chamber into communication are additionally provided on the sliding sleeve outer wall.
General outer wall liquid injection port is additionally provided on the general outer wall, general outer wall liquid injection port is connected to oil storage annular space.
A kind of its construction method for reservoir reconstruction, production monitoring and the Intellectual valve of control includes the following steps：
S1, with well cementation tubing string tripping in multistage intelligent switch valve to artificial bottom of a well；
S2, ground control station send wireless communication signal to underground, and signal content is to open a certain designated layer position intelligently to open
Valve is closed, other layers of position Intellectual valve are closed；
S3, underground Intellectual valves at different levels receive signal, and on or off is played by electrical and hydraulic control system according to instruction
Close fracturing fluid outlets at different levels；
S4, underground designated layer position Intellectual valve earthward control station sends what this layer of position temperature and pressure transmitter measured
Temperature, pressure value data-signal, ground control station judge in this, as foundation needed for formation fracture after receiving numeric data
Pressure, fracturing fluid design of pressure makes reference when being pressure break；
S5, fracturing work is carried out to layer position of the fracturing fluid outlet in open state；
S6, step S2~S4 is repeated, until full well section pressure break is completed；
S7, step S2~S3 is repeated, is sequentially completed each reservoir productivity calibration；
S8, the high production capacity reservoir of screening send wireless communication signal by ground control station to underground, and signal content is to open
All high production capacity reservoir Intellectual valves close other low yield energy reservoir Intellectual valves and realize production of hydrocarbons；
S9, it is controlled in process of production according to the monitoring data of temperature and pressure transmitter and other data of layer of oil gas production
Intellectual valve completes unlatching, closing or throttling action, realizes production monitoring and control.
The well cementation tubing string includes surface pipe, protective casing, production casing, cement sheath, Intellectual valve and casing
Box cupling；The Intellectual valve is connected by casing coupling with production casing.
The present invention has the following advantages：
1, the present invention ensures that ground and underground have stable communication capacity using the mode of wireless communication, eliminates distance
It influences, effectively solves the problems, such as that control channel construction schedule is long, of high cost.
2, the present invention realizes the opening and closing of sliding sleeve using electrichydraulic control, without tripping in other tools auxiliary, opens simultaneously
Pass number is unrestricted, and the switch motion of multiple sliding sleeves can be achieved in an instruction, effectively solves current staged fracturing technology and exists
Duty cycle is long, the outstanding problems such as operating cost is high, segmentation series is limited, realize the extensive staged fracturing of the infinite stages of reservoir
Transformation.
3, middle section of the present invention is full-bore, is used as fluid passage when pressure break, as other downhole tools when production
Channel.
4, the present invention detects hydraulic fluid flow rate size by flowmeter, then is scaled inner sliding sleeve row by circuit board Program
Journey, and transmission run-length data value ground by radio communication, realize fracturing fluid exit opening size detection and control.
Description of the drawings
Fig. 1 is Intellectual valve structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of mounting bracket；
Fig. 3 is A-A schematic cross-sectional views in Fig. 2；
Fig. 4 is B-B schematic cross-sectional views in Fig. 2；
Fig. 5 is C-C schematic cross-sectional views in Fig. 2；
Fig. 6 is the mounting structure schematic diagram of hydraulic control system；
Fig. 7 is the structural schematic diagram of inner sliding sleeve；
Fig. 8 is D-D schematic cross-sectional views in Fig. 2；
Fig. 9 is Intellectual valve hydraulic principle figure；
In figure：The left box cupling connectors of 1-, 2- left end caps, 3- mounting brackets, 4- electrical connectors, 5- liquid storage connectors, 6- hydraulic controls connect
Head, 7- inner sliding sleeves, 8- right end caps, the right box cupling connectors of 9-, 10- sliding sleeve outer walls, 11- sliding sleeve inner walls, 12- hydraulic control inner walls, 13- liquid storages
Inner wall, the general outer walls of 14-, the electrical inner walls of 15-, 101- surface pipes, 102- protective casings, 103- production casings, 104- cement
Ring, 105- casing couplings, 106- Intellectual valves, 301- circuit boards, 302- antennas, 303- lithium batteries, 304- mounting bracket lines
Cable channel, 401- electrical connectors cable passage, 402- temperature and pressure transmitters, 501- liquid storage connectors cable passage, 502- liquid storages
Connector hydraulic oil channel, 601- the first hydraulic channel hydraulic control short segments, 602- the second hydraulic channel hydraulic control short segments, 603- two
Three-way solenoid valve A, 604- two-bit triplet solenoid directional control valve B, 605- overflow valve, 606- direct current generators, 607- retarders,
608- hydraulic pumps, 609- flowmeters, the outlet of 701- inner sliding sleeve fracturing fluids, 702- circumferential direction spacer pins, 703- sliding sleeve inner wall fracturing fluids
Outlet, the outlet of 704- sliding sleeve outer wall fracturing fluids, the general outer wall liquid injection ports of 801-, 802- sliding sleeve outer wall liquid injection ports, 803- are circumferentially limited
Position slot, 804- the second hydraulic channel sliding sleeve external wall sections, 901- oil storage annular spaces.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figure 1, a kind of being used for reservoir reconstruction, production monitoring and the Intellectual valve of control, including connecting short section, electricity
Shortness of breath section, liquid storage pipe nipple, hydraulic control pipe nipple and sliding-sleeve nipple, the connecting short section include left box cupling connector 1, left end cap 2, right end cap
8 and right box cupling connector 9, left end cap 2 be set to the right side of left box cupling connector 1, right end cap 8 is set to the left side of right box cupling connector 9,
As shown in Figures 2 and 3, the electrical pipe nipple includes mounting bracket 3, electrical connector 4, electrical inner wall 15 and general outer wall 14, electricity
In in general outer wall 14, the left end of electrical inner wall 15 and the right end inner surface of left box cupling connector 1 pass through 15 coaxial package of gas inner wall
Screw-thread fit connects, and left end cap 2 is fitted to the left side of electrical inner wall 15, and the left side of left end cap 2 and left box cupling connector 1
Right side fit closely, the left end of general outer wall 14 is connect with the outer surface of left end cap 2 by screw-thread fit, electrical connector 4
It is fitted in general outer wall 14, the left end of electrical connector 4 is connect with the right end of electrical inner wall 15 by screw-thread fit, left end
Lid 2, general outer wall 14, electrical connector 4 and electrical inner wall 15 form ring-shaped cavity, and mounting bracket 3 is mounted in the ring-shaped cavity,
A plurality of groove is offered on the outer surface of mounting bracket 3, and circuit board 301, antenna 302 and lithium battery 303 are installed in groove,
It is logical that the right end face of mounting bracket 3 is further opened with the mounting bracket cable for laying lithium battery power cord and circuit panel data line
Road 304, in the present embodiment, the right end of mounting bracket 3 have 4 in the through-hole of 45 ° of equidistantly distributeds and one and clockwise the
Two through-holes symmetrical through-hole is provided in the axial direction with electrical connector cable passage 401 on electrical connector 4, in the present embodiment,
Electrical connector cable passage 401 be the left end of electrical connector 4 have 4 in the through-hole of 45 ° of equidistantly distributeds and 1 and clockwise the
The symmetrical blind hole of 2 through-holes, temperature and pressure transmitter 402 is also equipped on the middle part inner wall of electrical connector 4, and temperature, pressure passes
Sensor 402 is electrically connected with circuit board 301, and temperature and pressure transmitter 402 is used to detect the temperature and pressure numerical signal of underground, and
Numerical signal is sent to circuit board 301, as shown in Figure 1 and Figure 4, the liquid storage pipe nipple includes liquid storage connector 5, liquid storage inner wall 13
With general outer wall 14, liquid storage connector 5 is fitted in general outer wall 14, and 13 coaxial package of liquid storage inner wall is in general outer wall 14
Interior, the left end of liquid storage inner wall 13 is connect with the right end of electrical connector 4 by screw-thread fit, and the left end of right end and liquid storage connector 5 is logical
Screw-thread fit connection is crossed, electrical connector 4, liquid storage inner wall 13, liquid storage connector 5 and general outer wall 14 form oil storage annular space 901, liquid storage
Multiple liquid storage connectors cable passage 501 and multiple liquid storage connector hydraulic oil channels 502 are offered on connector 5 in the axial direction,
There are 4 liquid storage connector cable passages 501 in 45 ° of equidistantly distributeds in the present embodiment on liquid storage connector 5, equidistantly divides in 45 °
3 liquid storage connector hydraulic oil channels 502 of cloth, liquid storage connector hydraulic oil channel 502 is connected to oil storage annular space 901, such as Fig. 1 and figure
Shown in 5, the hydraulic control pipe nipple includes hydraulic control connector 6, hydraulic control inner wall 12 and general outer wall 14, and 12 coaxial package of hydraulic control inner wall is in logical
With in outer wall 14, the left end of hydraulic control inner wall 12 is connect with the right end of liquid storage connector 5 by screw-thread fit, the left end of hydraulic control connector 6
Surfaces externally and internally is connect with hydraulic control inner wall 12 and general outer wall 14 by screw-thread fit respectively, liquid storage connector 5, general outer wall 14, liquid
It controls connector 6 and hydraulic control inner wall 12 and forms ring-shaped cavity, hydraulic control system is installed in the ring-shaped cavity, on hydraulic control connector 6
Multiple first hydraulic channel hydraulic control short segments 601 and multiple second hydraulic channel hydraulic control short segments 602 are in axial direction offered,
Liquid storage connector hydraulic oil channel 502 respectively with the first hydraulic channel hydraulic control short segment 601 and the second hydraulic channel hydraulic control short segment
602 connections, as shown in Figure 1, the sliding-sleeve nipple includes sliding sleeve outer wall 10, sliding sleeve inner wall 11 and inner sliding sleeve 7, sliding sleeve outer wall 10
Left end is connect with the right end outer surface of hydraulic control connector 6 by screw-thread fit, and the left end outer surface of right end and right end cap 8 passes through screw thread
It is connected, the left end of sliding sleeve inner wall 11 is connect with the right end inner surface of hydraulic control connector 6 by screw-thread fit, right end and right box cupling
The left end inner surface of connector 9 is connected by screw-thread fit, and the right side of right end cap 8 and the left side of right box cupling connector 9 are closely pasted
It closes, inner sliding sleeve 7 is slidably mounted between sliding sleeve outer wall 10 and sliding sleeve inner wall 11, is provided in the middle part of the side wall of sliding sleeve outer wall 10 multiple
Sliding sleeve outer wall fracturing fluid outlet 704, as shown in fig. 7, being provided with multiple inner sliding sleeve fracturing fluid outlets in the middle part of the side wall of inner sliding sleeve 7
701, the side wall middle part of sliding sleeve inner wall 11 is provided with multiple sliding sleeve inner wall fracturing fluids outlets 703, in the present embodiment, sliding sleeve inner wall
11, it is both provided with the fracturing fluid outlet of 6 equidistantly distributeds in the circumferential on inner sliding sleeve 7 and sliding sleeve outer wall 10, when pressure break, sliding sleeve
Inner wall fracturing fluid outlet 703, inner sliding sleeve fracturing fluid outlet 701 and sliding sleeve outer wall fracturing fluid outlet 704 are aligned, on sliding sleeve outer wall 10
It is provided in the axial direction with the second hydraulic channel sliding sleeve external wall section 804, hydraulic control connector 6, sliding sleeve outer wall 10, inner sliding sleeve 7 and sliding sleeve inner wall
11 are enclosed the first hydraulic cavities, the first hydraulic channel hydraulic control short segment 601 and the first hydraulic chamber into communication, outside right end cap 8, sliding sleeve
Wall 10, inner sliding sleeve 7 and sliding sleeve inner wall 11 are enclosed the second hydraulic cavities, and the second hydraulic channel hydraulic control short segment 602 passes through second
Hydraulic channel sliding sleeve external wall section 804 and the second hydraulic chamber into communication.
As shown in Fig. 6 and Fig. 9, the hydraulic control system includes two-bit triplet solenoid directional control valve A603, two-bit triplet
Solenoid directional control valve B604, direct current generator 606 and hydraulic pump 608, the input terminal of the output end and retarder 607 of direct current generator 606
Connection, the output end of retarder 607 are connect with the power intake of hydraulic pump 608, inlet and the oil storage annular space of hydraulic pump 608
901 connections, the liquid outlet of hydraulic pump 608 respectively with two-bit triplet solenoid directional control valve A603, two-bit triplet solenoid directional control valve B604
First interface connection, the second interface of two-bit triplet solenoid directional control valve A603 and the first hydraulic chamber into communication, two-bit triplet electromagnetism
The second interface of reversal valve B604 and the second hydraulic chamber into communication, two-bit triplet solenoid directional control valve A603 and two-bit triplet electromagnetic switch
The third interface of valve B604 is connected to oil storage annular space 901 respectively, and flowmeter is additionally provided at the liquid outlet of the hydraulic pump 608
609, flowmeter 609 is electrically connected with circuit board 301, and flowmeter 609 is used to detect the hydraulic fluid flow rate signal for flowing into hydraulic cavities,
And flow sensing signal is sent to circuit board 301, liquid outlet and the two-bit triplet solenoid directional control valve of the hydraulic pump 608
It is additionally provided with overflow valve 605 between the third interface of A603.Intellectual valve is opened when wireless communication system receives ground
Instruction, when two-bit triplet solenoid directional control valve A603, two-bit triplet solenoid directional control valve B604 are all in off-position, switch valve at this time
It is failure to actuate, when two-bit triplet solenoid directional control valve A603 is powered on, and two-bit triplet solenoid directional control valve B604 is powered off, in the first hydraulic cavities
Liquid reflux to oil storage annular space 901, and the liquid in oil storage annular space 901 enters the second hydraulic cavities, and inner sliding sleeve 7 is pushed to transport to the left
Dynamic, when 7 left side of inner sliding sleeve is contacted with hydraulic control connector 6, Intellectual valve completely closes；When two-bit triplet solenoid directional control valve
A603 power off, when two-bit triplet solenoid directional control valve B604 is powered on, the liquid reflux in the second hydraulic cavities to oil storage annular space 901, and
Liquid in oil storage annular space 901 enters the first hydraulic cavities, pushes inner sliding sleeve 7 to move right, when the inner sliding sleeve pressure break on inner sliding sleeve 7
The sliding sleeve outer wall fracturing fluid in sliding sleeve inner wall fracturing fluid outlet 703 and sliding sleeve outer wall 10 in liquid outlet 701, sliding sleeve inner wall 11 goes out
When mouth 704 is aligned, Intellectual valve fully opens；During opening and closing, hydraulic oil will all be flowed through from flowmeter 609,
Flowmeter 609 can be by data on flows via cable transmission to circuit board 301, and 7 stroke of inner sliding sleeve can be scaled by being handled by program,
It is wirelessly transmitted to ground again, terrestrial operation person can assign the finger for continuing on or closing Intellectual valve according to 7 stroke of inner sliding sleeve
It enables, realizes sliding sleeve Stroke Control, achieve the purpose that fracturing fluid discharge area is controllable.
As shown in figure 8, the inner surface of the sliding sleeve outer wall 10 is provided in the axial direction with circumferential limiting slot 803, described is interior
Circumferential spacer pin 702 is radially provided on the appearance wall of sliding sleeve 7, circumferential spacer pin 702 is matched with the circumferential sliding of limiting slot 803
It closes.
As shown in Figure 1, sliding sleeve outer wall liquid injection port 802 is additionally provided on the sliding sleeve outer wall 10, sliding sleeve outer wall liquid injection port 802
With the second hydraulic chamber into communication.
As shown in Figure 1, general outer wall liquid injection port 801 is additionally provided on the general outer wall 14, general outer wall liquid injection port 801
It is connected to oil storage annular space 901.
The course of work of Intellectual valve of the present invention is：When well cementation, the pressure break series according to setting will correspond to number
The Intellectual valve of amount as well cementation tubing string component part and casing connection after be installed on underground；When fracturing work, by low
Frequency electromagnetic waves are realized with ground installation and are wirelessly communicated, and the transmitting-receiving of fracturing work instruction and data, the form of fracturing work instruction are completed
To open a certain fractured layer position sliding sleeve and closing other layers of position sliding sleeve, after receiving fracturing work instruction, pass through electrical and hydraulic pressure
Control opens designated layer position sliding sleeve and closes other layers of position sliding sleeve, the temperature measured by temperature and pressure transmitter, pressure value
Fracturing fluid design of pressure makes reference when data are pressure break, progress fracturing work at the sliding sleeve opened at this time, at the sliding sleeve of closing
It is considered as packing operation, assigns the pressure break that reservoirs at different levels can be completed in fracturing work instruction successively；After the completion of fracturing work, press again
Sequence assigns each reservoir position Intellectual valve of instruction unpack, successively links up each reservoir and wellbore, establishes petroleum resources conveying
Channel is realized and is demarcated to the production capacity of each reservoir；Yield is demarcated after the completion of operation, sends production operation instruction by radio communication,
The form of production operation instruction is to open high production capacity reservoir sliding sleeve, after receiving production operation instruction, passes through electrical and hydraulic control
Whole layers position sliding sleeve is opened, high production capacity reservoir and wellbore are linked up, petroleum resources transfer passage is established, realizes production operation；
In production process, instruction is assigned according to the monitoring data of temperature and pressure transmitter and other data of layer of oil gas production, controls intelligence
It can switch valve completion unlatching, closing or throttling action, realization production monitoring and control.
Switching process of the present invention is not necessarily to external auxiliary, and sliding sleeve openings of sizes is controllable, and on-off times are unrestricted, is segmented series
Unrestricted, the sliding sleeve of designated layer position is opened in transmission instruction by radio communication when pressure break, and remainder layer position sliding sleeve is closed, can be real
The stepless pressure limiting of existing reservoir is split；The present invention effectively simplifies fracturing process, shortens the activity duration, saves construction cost.
Claims (6)
1. a kind of being used for reservoir reconstruction, production monitoring and the Intellectual valve of control, it is characterised in that：Including connecting short section, electricity
Shortness of breath section, liquid storage pipe nipple, hydraulic control pipe nipple and sliding-sleeve nipple,
The connecting short section includes left box cupling connector（1）, left end cap（2）, right end cap（8）With right box cupling connector（9）, left end cap
（2）It is set to left box cupling connector（1）Right side, right end cap（8）It is set to right box cupling connector（9）Left side,
The electrical pipe nipple includes mounting bracket（3）, electrical connector（4）, electrical inner wall（15）With general outer wall（14）, electrical interior
Wall（15）Coaxial package is in general outer wall（14）It is interior, electrical inner wall（15）Left end and left box cupling connector（1）Right end inner surface
It is connected by screw-thread fit, left end cap（2）It is fitted to electrical inner wall（15）Left side, and left end cap（2）Left side with
Left box cupling connector（1）Right side fit closely, general outer wall（14）Left end and left end cap（2）Outer surface matched by screw thread
Close connection, electrical connector（4）It is fitted to general outer wall（14）It is interior, electrical connector（4）Left end and electrical inner wall（15）'s
Right end is connected by screw-thread fit, left end cap（2）, general outer wall（14）, electrical connector（4）With electrical inner wall（15）Form first
Ring-shaped cavity, mounting bracket（3）In first ring-shaped cavity, mounting bracket（3）Outer surface on offer it is a plurality of
Groove is equipped with circuit board in groove（301）, antenna（302）And lithium battery（303）, mounting bracket（3）Right end face also open
Equipped with the mounting bracket cable passage for laying lithium battery power cord and circuit panel data line（304）, electrical connector（4）Upper edge
Axially offer electrical connector cable passage（401）, electrical connector（4）Middle part inner wall on be also equipped with temperature and pressure transmitter
（402）, temperature and pressure transmitter（402）With circuit board（301）Electrical connection,
The liquid storage pipe nipple includes liquid storage connector（5）, liquid storage inner wall（13）With general outer wall（14）, liquid storage connector（5）Cooperation peace
Mounted in general outer wall（14）It is interior, liquid storage inner wall（13）Coaxial package is in general outer wall（14）It is interior, liquid storage inner wall（13）Left end with
Electrical connector（4）Right end connected by screw-thread fit, right end and liquid storage connector（5）Left end connected by screw-thread fit, electricity
Gas connector（4）, liquid storage inner wall（13）, liquid storage connector（5）With general outer wall（14）Form oil storage annular space（901）, liquid storage connector（5）
On offer multiple liquid storage connectors cable passage in the axial direction（501）With multiple liquid storage connector hydraulic oil channels（502）, liquid storage
Connector hydraulic oil channel（502）With oil storage annular space（901）Connection,
The hydraulic control pipe nipple includes hydraulic control connector（6）, hydraulic control inner wall（12）With general outer wall（14）, hydraulic control inner wall（12）Coaxial sleeve
Loaded on general outer wall（14）It is interior, hydraulic control inner wall（12）Left end and liquid storage connector（5）Right end connected by screw-thread fit, hydraulic control
Connector（6）Left end surfaces externally and internally respectively with hydraulic control inner wall（12）With general outer wall（14）It is connected by screw-thread fit, liquid storage connects
Head（5）, general outer wall（14）, hydraulic control connector（6）With hydraulic control inner wall（12）The second ring-shaped cavity is formed, in second ring-shaped cavity
Hydraulic control system, hydraulic control connector are inside installed（6）On in axial direction offer multiple first hydraulic channel hydraulic control short segments
（601）With multiple second hydraulic channel hydraulic control short segments（602）, liquid storage connector hydraulic oil channel（502）Respectively with the first hydraulic pressure
Channel hydraulic control short segment（601）With the second hydraulic channel hydraulic control short segment（602）Connection,
The sliding-sleeve nipple includes sliding sleeve outer wall（10）, sliding sleeve inner wall（11）And inner sliding sleeve（7）, sliding sleeve outer wall（10）Left end with
Hydraulic control connector（6）Right end outer surface connected by screw-thread fit, right end and right end cap（8）Left end outer surface matched by screw thread
Close connection, sliding sleeve inner wall（11）Left end and hydraulic control connector（6）Right end inner surface connected by screw-thread fit, right end connects with the right side
Bind round connector（9）Left end inner surface connected by screw-thread fit, right end cap（8）Right side and right box cupling connector（9）Left end
Face fits closely, inner sliding sleeve（7）It is slidably mounted on sliding sleeve outer wall（10）With sliding sleeve inner wall（11）Between, sliding sleeve outer wall（10）Side
Multiple sliding sleeve outer wall fracturing fluid outlets are provided in the middle part of wall（704）, inner sliding sleeve（7）Side wall in the middle part of be provided with multiple inner sliding sleeve pressures
Split liquid outlet（701）, sliding sleeve inner wall（11）Side wall in the middle part of be provided with the outlet of multiple sliding sleeve inner wall fracturing fluids（703）, when pressure break,
Sliding sleeve inner wall fracturing fluid exports（703）, inner sliding sleeve fracturing fluid outlet（701）It is exported with sliding sleeve outer wall fracturing fluid（704）Alignment, it is sliding
Cover outer wall（10）On be provided in the axial direction with the second hydraulic channel sliding sleeve external wall section（804）, hydraulic control connector（6）, sliding sleeve outer wall（10）,
Inner sliding sleeve（7）With sliding sleeve inner wall（11）It is enclosed the first hydraulic cavities, the first hydraulic channel hydraulic control short segment（601）With the first liquid
Press chamber connection, right end cap（8）, sliding sleeve outer wall（10）, inner sliding sleeve（7）With sliding sleeve inner wall（11）The second hydraulic cavities are enclosed, the
Two hydraulic channel hydraulic control short segments（602）Pass through the second hydraulic channel sliding sleeve external wall section（804）With the second hydraulic chamber into communication.
2. a kind of reservoir reconstruction, production monitoring and the Intellectual valve of control, feature of being used for according to claim 1 exists
In：The hydraulic control system includes two-bit triplet solenoid directional control valve A（603）, two-bit triplet solenoid directional control valve B（604）, it is straight
Galvanic electricity machine（606）And hydraulic pump（608）, direct current generator（606）Output end and retarder（607）Input terminal connection, slow down
Device（607）Output end and hydraulic pump（608）Power intake connection, hydraulic pump（608）Inlet and oil storage annular space
（901）Connection, hydraulic pump（608）Liquid outlet respectively with two-bit triplet solenoid directional control valve A（603）, two-bit triplet electromagnetic switch
Valve B（604）First interface connection, two-bit triplet solenoid directional control valve A（603）Second interface and the first hydraulic chamber into communication, two
Position three-way solenoid valve B（604）Second interface and the second hydraulic chamber into communication, two-bit triplet solenoid directional control valve A（603）With two
Position three-way solenoid valve B（604）Third interface respectively with oil storage annular space（901）Connection.
3. a kind of reservoir reconstruction, production monitoring and the Intellectual valve of control, feature of being used for according to claim 2 exists
In：The hydraulic pump（608）Liquid outlet at be additionally provided with flowmeter（609）, the hydraulic pump（608）Liquid outlet with
Two-bit triplet solenoid directional control valve A（603）Third interface between be additionally provided with overflow valve（605）.
4. a kind of reservoir reconstruction, production monitoring and the Intellectual valve of control, feature of being used for according to claim 1 exists
In：The sliding sleeve outer wall（10）Inner surface be provided in the axial direction with circumferential limiting slot（803）, the inner sliding sleeve（7）It is outer
Circumferential spacer pin is radially provided on table wall（702）, circumferential spacer pin（702）With circumferential limiting slot（803）It is slidably matched.
5. it is according to claim 1 or 4 a kind of for reservoir reconstruction, production monitoring and the Intellectual valve of control, it is special
Sign is：The sliding sleeve outer wall（10）On be additionally provided with sliding sleeve outer wall liquid injection port（802）, sliding sleeve outer wall liquid injection port（802）With
Two hydraulic chamber into communication.
6. a kind of reservoir reconstruction, production monitoring and the Intellectual valve of control, feature of being used for according to claim 1 exists
In：The general outer wall（14）On be additionally provided with general outer wall liquid injection port（801）, general outer wall liquid injection port（801）With oil storage ring
It is empty（901）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491838.4A CN106121585B (en) | 2016-06-29 | 2016-06-29 | It is a kind of to be used for reservoir reconstruction, production monitoring and the Intellectual valve of control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491838.4A CN106121585B (en) | 2016-06-29 | 2016-06-29 | It is a kind of to be used for reservoir reconstruction, production monitoring and the Intellectual valve of control |
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| CN106121585B true CN106121585B (en) | 2018-10-23 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952418B (en) | 2016-06-29 | 2019-02-15 | 西南石油大学 | It is a kind of for reservoir reconstruction, production monitoring and the Intellectual valve of control and its construction method |
| CN106593350A (en) * | 2016-12-13 | 2017-04-26 | 中国石油天然气股份有限公司 | Wireless control casing pipe sliding sleeve based on electromagnetic wave bidirectional communication |
| CN106593351B (en) * | 2016-12-13 | 2023-04-07 | 中国石油天然气股份有限公司 | Well cementation sliding sleeve |
| CN108533219A (en) * | 2017-03-01 | 2018-09-14 | 中国石油化工股份有限公司 | Executive device |
| CN106948801B (en) * | 2017-04-10 | 2019-07-09 | 太原理工大学 | A kind of coal seam is intelligent to be classified fracturing device and method |
| CN107288580B (en) * | 2017-08-07 | 2023-08-22 | 成都大学 | Remote control sleeve sliding sleeve based on potential difference communication |
| CN107246250B (en) * | 2017-08-07 | 2023-08-22 | 成都大学 | Intelligent sleeve toe end sliding sleeve based on liquid pulse signal control |
| CN111663921B (en) * | 2020-04-23 | 2022-11-08 | 中国海洋石油集团有限公司 | Underground hydraulic system with three pipelines controlling six-layer sliding sleeve |
| CN113187441B (en) * | 2021-06-09 | 2022-04-26 | 中国地质大学（北京） | Deep coal bed gas and shallow low-pressure dense gas partial pressure combined mining device and method |
| CN113266308B (en) * | 2021-06-21 | 2022-04-05 | 西南石油大学 | Well cementation sliding sleeve and method for infinite-stage alternate fracturing full-path switch of horizontal well |
| CN114151056B (en) * | 2021-12-06 | 2024-02-06 | 吉林大学 | Oil hybrid fracturing truck and control method thereof |
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