CN104653159B - Multi-stage cracking intelligent control system - Google Patents
Multi-stage cracking intelligent control system Download PDFInfo
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- CN104653159B CN104653159B CN201510052002.XA CN201510052002A CN104653159B CN 104653159 B CN104653159 B CN 104653159B CN 201510052002 A CN201510052002 A CN 201510052002A CN 104653159 B CN104653159 B CN 104653159B
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- 238000005336 cracking Methods 0.000 title abstract 4
- 230000000284 resting effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—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
- E21B47/04—Measuring depth or liquid level
-
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- Remote Sensing (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a multi-stage cracking intelligent control system. An outer information writing coil is mounted on the outer wall of a main body and is used for writing the deep information of a current intelligent casing sliding sleeve into an intelligent sliding sleeve RFID (Radio Frequency Identification) tag; an inner coil is mounted on the inner wall of the main body; an intelligent cracking and positioning tube string, a coiled tubing vehicle and an RFID tag feeding device are mounted in series on a coiled tubing; the coiled tubing vehicle and the RFID tag feeding device are positioned on the ground; the coiled tubing vehicle is used for controlling the descent of the coiled tubing; the RFID tag feeding device is used for feeding an information downloading RFID tag, carrying preset information, into the coiled tubing; an RFID tag reader is used for reading RFID tags at corresponding positions inside the tube string and outside the tube string; a control and positioning circuit is connected to the RFID tag reader and a mud pulse generator and is used for controlling the mud pulse generator to upload the deep information to a mud pulse signal receiver when the RFID tag reader reads the deep information in the intelligent sliding sleeve RFID tag. The multi-stage cracking system is simple and reliable.
Description
Technical field
The present invention relates to oil-drilling field, in particular to a kind of multistage fracturing intelligence control system.
Background technology
Under many circumstances, single port Oil/gas Well can pass through multiple oil-gas Layer, needs to carry out multireservoir complex bacteria tearen.Due to
Being continuously increased of well depth, the well completion operations being related to also become increasingly complex, such as multistage fracturing operation.Fracturing work is to different intervals
Carry out fracturing and rush down oily passage to increase, improve the harvesting effect of this interval.At present, fracturing work using most methods is
Disposable pitching step by step pressure break, each interval merges exploitation after pressure break, but when a certain lamination splits effect on driving birds is not good and needs pressure break again
Can not carry out fracturing work again, affect fracturing effect, and close and interact between interval when adopting, also individual layer section cannot be carried out
Switching manipulation, can affect the overall yield of this well when individual layer section goes wrong serious, even result in this well and scrap it is impossible to long-term increase
Produce.In addition to disposable pitching step by step pressure break, a small amount of multistage fracturing method occurs, but often not high to interval positioning precision, behaviour
Make complex process, it is difficult to meet the multistage fracturing job requirements needed for intelligent well completion the shortcomings of reliability is high.
Content of the invention
The technical problem to be solved is, provides a kind of simple and reliable multistage fracturing system.
Therefore, technical scheme is as follows：
A kind of multistage fracturing intelligence control system, including intelligent pressure break and positioning pipe string, mud pulse signal receiver,
RFID label tag delivery device, more piece intelligence sliding sleeve of bushing, Operation Tubing Aggregate, wherein：
Described intelligent sliding sleeve of bushing includes main body, installs intelligent sliding sleeve RFID label tag on the body, connects to institute
State interior loop and the information write exterior loop of intelligent sliding sleeve RFID label tag, described information write exterior loop is arranged on described main body
On outer wall, for writing the depth information of currently intelligent sliding sleeve of bushing, described interior loop into described intelligent sliding sleeve RFID label tag
It is arranged on the inwall of described main body, for reading the depth information of storage in described intelligent sleeve pipe RFID label tag；
Described intelligent pressure break and positioning pipe string and the described Operation Tubing Aggregate resting on the ground, described RFID label tag throw in dress
Put and be installed in series on coiled tubing, described Operation Tubing Aggregate is used for controlling the decentralization of described coiled tubing, described RFID label tag
Delivery device passes RFID label tag for throwing in into described coiled tubing under the information carrying presupposed information；
Described intelligent pressure break and positioning pipe string include RFID reader, control and positioning circuit, mud-pulse generation
Device, described RFID reader be used for reading in pipe string and the outer correspondence position of pipe string on RFID label tag, described control and fixed
Position circuit connects to described RFID reader and described mud pulse generator, for reading in described RFID reader
Described mud pulse generator is controlled to upload this depth information when getting the depth information in described intelligent sliding sleeve RFID label tag
To described mud pulse signal receiver.
In this technical scheme, want lower going-into-well by writing this sliding sleeve in the intelligent sliding sleeve RFID label tag in sliding sleeve in advance
Under depth information, when intelligent pressure break and positioning pipe string are gone into the well, keep RFID reader open all the time, such that it is able to reality
When obtain the depth of setting of intelligent pressure break and positioning pipe string and position and information be uploaded to by ground by mud pulse generator,
Realization is accurately positioned.
Control system in this technical scheme：
Described intelligent pressure break and positioning pipe string also include sliding sleeve and control instrument, connect and control and positioning circuit to described, institute
State control and positioning circuit is used for reading biography RFID label tag under the information carrying opening/closing sliding sleeve in described RFID reader
When, control described sliding sleeve to control the opening/closing currently corresponding described intelligent sliding sleeve of bushing of instrument, and control described mud-pulse to occur
Device uploads the open and-shut mode information of described intelligent sliding sleeve of bushing.
Described intelligent sliding sleeve of bushing also includes inner sliding sleeve, and described main body is provided with pressure break hole, the switchable institute of described inner sliding sleeve
It is arranged on stating pressure break hole in described main body, in described main body, form the cannelure of a preset length, one end of described inner sliding sleeve
Go deep in described cannelure, the inwall of described inner sliding sleeve is provided with the sliding sleeve being coordinated with described RFID reader and opens instruction
Label and sliding sleeve close indicating label, the side wall of described cannelure have a tag reader window, described inner sliding sleeve opens when institute
State sliding sleeve and open that indicating label is exposed by described tag reader window and described sliding sleeve closes indicating label by the side of described cannelure
Wall blocks, and when described inner sliding sleeve is closed, described sliding sleeve closes that indicating label exposes and described sliding sleeve opens indicating label by described cannelure
Side wall block.
Described intelligent pressure break and positioning pipe string also include packer, connect and control and positioning circuit to described, described control
And positioning circuit is used for when described intelligent sliding sleeve RFID label tag reads and carries biography RFID label tag under the information setting/unsealing,
Control described packer, set/unseal, and control described mud pulse generator to upload described packer, set/unseal
Status information.
Described multistage fracturing intelligence control system also includes ground control system, connects and connects to described mud pulse signal
Receive device, described RFID label tag delivery device and described Operation Tubing Aggregate, for receiving according to described mud pulse signal receiver
To information control described RFID label tag delivery device to throw under the information of corresponding control information to pass RFID label tag and control institute
State the corresponding instruction of Operation Tubing Aggregate execution.
Using the control system in the present invention：
1., after the completion of consolidating completion and pressure break, it is same diameter in pipe, multiple fracturing work can be carried out；
2. open and close any one section or several sections of stratum as needed, the conjunction realizing interval is adopted, divided and adopt and control production；
3. the opening and closing of infinite stages sliding sleeve and interval pressure break can be realized simultaneously；
4. without setting ball during fracturing work；
5. fracturing work positioning precision is high, it is to avoid maloperation damages sleeve pipe；
6. use multiple power sources type it is ensured that the reliability of pipe string tool；
7. no perforating job, pollution-free to payzone；
8. using intelligent sliding sleeve of bushing, open and-shut mode can be grasped, it is to avoid sliding sleeve None- identified operates.
Brief description
Fig. 1 is the schematic diagram of multistage fracturing intelligence control system according to embodiments of the present invention；
Fig. 2 is downhole pipeline structural representation in multistage fracturing intelligence control system according to embodiments of the present invention；
Fig. 3 is the structural representation of intelligent sliding sleeve of bushing in multistage fracturing intelligence control system according to embodiments of the present invention
Figure.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail.It should be noted that not
In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
As shown in Figure 1 to Figure 3, multistage fracturing intelligence control system according to an embodiment of the invention, including intelligent pressure break
And positioning pipe string 6, mud pulse signal receiver 1, RFID label tag delivery device 3, more piece intelligence sliding sleeve of bushing 7, coiled tubing
Car 4, wherein：
Described intelligent sliding sleeve of bushing 7 include main body, install intelligent sliding sleeve RFID label tag 28 on the body, connect to
The interior loop 27 of described intelligent sliding sleeve RFID label tag 28 and information write exterior loop 29, described information write exterior loop 29 is arranged on
On the outer wall of described main body, for writing the depth letter of currently intelligent sliding sleeve of bushing 7 into described intelligent sliding sleeve RFID label tag 28
Breath, described interior loop 27 is arranged on the inwall of described main body, for reading storage in described intelligent sleeve pipe RFID label tag 28
Depth information；
Described intelligent pressure break and positioning pipe string 6 and the described Operation Tubing Aggregate 4 resting on the ground, described RFID label tag are thrown in
Device 3 is installed in series on coiled tubing 5, and described Operation Tubing Aggregate 4 is used for controlling the decentralization of described coiled tubing 5, described
RFID label tag delivery device 3 passes RFID label tag 10 for throwing in into described coiled tubing 5 under the information carrying presupposed information；
Described intelligent pressure break and positioning pipe string 6 include RFID reader 13, control and positioning circuit 15, mud-pulse
Generator 12, described RFID reader 13 is used for reading the RFID label tag in pipe string and on correspondence position outside pipe string, described
Control and positioning circuit 15 connects to described RFID reader 13 and described mud pulse generator 12, for described
RFID reader 13 controls described mud-pulse to send out when reading the depth information in described intelligent sliding sleeve RFID label tag 28
This depth information is uploaded to described mud pulse signal receiver 1 by raw device 12.
Wherein, in Fig. 1 to Fig. 3,2 is slush pump, and 9 is ground controlling cable, and 11 is to give up, and 14 is battery pack, and 18 is pressure
Split nozzle for liquid, 20 is lower contact, 25 is outer tube, 26 is sliding sleeve opening and closing operations groove, 30 is top connection.
In this technical scheme, to be entered down by writing this sliding sleeve in the intelligent sliding sleeve RFID label tag 28 in sliding sleeve in advance
The depth information of down-hole, when intelligent pressure break and positioning pipe string 6 are gone into the well, keeps RFID reader 13 to open all the time, thus
The depth of setting of intelligent pressure break and positioning pipe string 6 and position can be obtained in real time and by mud pulse generator 12 by information
Reach ground, realize being accurately positioned.
Control system in this technical scheme：
Described intelligent pressure break and positioning pipe string 6 also include sliding sleeve and control instrument 16, connect and control and positioning circuit to described
15, described control and positioning circuit 15 be used for read under the information carrying opening/closing sliding sleeve in described RFID reader 13
When passing RFID label tag, control described sliding sleeve to control the opening/closing currently corresponding described intelligent sliding sleeve of bushing 7 of instrument 16, and control institute
State the open and-shut mode information that mud pulse generator 12 uploads described intelligent sliding sleeve of bushing 7.
Described intelligent sliding sleeve of bushing 7 also includes inner sliding sleeve 24, and described main body is provided with pressure break hole 31, and described inner sliding sleeve 24 can
Switch described pressure break hole 31 ground to be arranged in described main body, in described main body, form the cannelure 32 of a preset length, described interior
One end of sliding sleeve 24 is goed deep into, in described cannelure 32, the inwall of described inner sliding sleeve 24 being provided with and described RFID reader
The sliding sleeve of 13 cooperations opens indicating label 22 and sliding sleeve closes indicating label 23, and the side wall of described cannelure 32 has a tag reader
Window 21, when described inner sliding sleeve 24 is opened, described sliding sleeve is opened indicating label 22 and is exposed and described by described tag reader window 21
Sliding sleeve closes indicating label 23 and is blocked by the side wall of described cannelure 32, and when described inner sliding sleeve 24 is closed, described sliding sleeve closes indicating label
23 expose and described sliding sleeve is opened indicating label 22 and blocked by the side wall of described cannelure 32.
Described intelligent pressure break and positioning pipe string 6 also include upper packer 17, lower packet 19, connect and control and fixed to described
Position circuit 15, described control and positioning circuit 15 are used for reading to carry in described intelligent sliding sleeve RFID label tag 28 setting/unsealing
Information under when passing RFID label tag, control described upper packer 17, lower packet 19 sets/unseals, and control described mud
Impulse generator 12 uploads described upper packer 17, lower packet 19 set/unset state information.
Described multistage fracturing intelligence control system also includes ground control system 8, connects to described mud pulse signal
Receiver 1, described RFID label tag delivery device 3 and described Operation Tubing Aggregate 4, for according to described mud pulse signal receiver
Information that 1 receives control described RFID label tag delivery device 3 to throw under the information of corresponding control information to pass RFID label tag 10 with
And control described Operation Tubing Aggregate 4 to execute corresponding instruction.
Wherein, ground control system 8 is passed through the depth of reception mud pulse generator 12 upload, sliding sleeve opening and closing, is set solution
The information such as envelope, control RFID label tag delivery device 3 to throw under the information carrying corresponding operational order as needed and pass RFID mark
Sign 10, and control Operation Tubing Aggregate 4 to execute corresponding instruction.Specifically, the working method of whole system can be as follows：
Before this pressure break intelligence control system, intelligent pressure break and positioning pipe string 6 are installed as shown in Figure 2, wrap under upper
Contain：Give up 11, underground slurry pulse generator 12, RFID reader 13, battery pack 14, control and positioning circuit 15, mud
Slurry motor, sliding sleeve controls instrument 16, upper packer 17, pressure break nozzle for liquid 18, lower packet 19.
As shown in figure 1, controlling RFID label tag delivery device 3 to cast the information comprising location information by ground control system 8
Lower biography RFID label tag 10, obtains location information by RFID reader 13.Ground control system 8 passes through ground controlling cable 9
Instruction Operation Tubing Aggregate 4 controls intelligent pressure break and the running speed of positioning pipe string 6.
Under enter intelligent pressure break and positioning pipe string 6 during, RFID reader 13 remain reading state search for
Need the Intelligent target sliding sleeve of bushing 7 that operated, when intelligence is read by the interior loop 27 on intelligent sliding sleeve of bushing 7 inwall
The depth comprising in sliding sleeve RFID label tag 28 and formation information be required for operation Intelligent target sliding sleeve of bushing 7 when, control and
Positioning circuit 15 order underground slurry pulse generator 12 sends mud pulse signal uploading position signal.When ground mud-pulse
Signal receiver 1 receives mud-pulse position signalling and passes to ground control system 8, and then indicates that Operation Tubing Aggregate 4 stops
Only decentralization instrument.
Ground control system 8 control RFID label tag delivery device 3 is cast and is passed RFID label tag under the information comprising control information
10, control information is obtained by RFID reader 13, and is sent to control and positioning circuit 15, and then indicate that sliding sleeve controls work
Tool 16 opens, by sliding sleeve opening and closing operations groove 26, the intelligent sliding sleeve of bushing 7 that current position location is located.Complete sliding sleeve switch operation
Afterwards, mud-pulse upload operation status information is sent by control and positioning circuit 15 order underground slurry pulse generator 12.
After ground control system 8 receives intelligent sliding sleeve of bushing opening information, command RFID label delivery device 3 is thrown
Under comprise packer setting order information under pass RFID label tag 10, by RFID reader 13 obtain set information, concurrently
Give control and positioning circuit 15, and then indicate that upper packer 17 and lower packet 19 set.After completing packer setting operation,
Mud-pulse upload operation status information is sent by control and positioning circuit 15 order underground slurry pulse generator 12.
After ground control system 8 receives packer setting status information, ground staff squeezes into pressure break in coiled tubing 5
Liquid, fracturing fluid enters specified stratum by pressure break nozzle for liquid 18 through intelligent sliding sleeve of bushing 7, starts fracturing work.After the completion of pressure break,
Ground control system 8 command RFID label delivery device 3 is cast and is passed RFID label tag 10 under the information comprising removing seal for packer order,
Realize upper packer 17 and lower packet 19 unseals.After ground control system 8 receives removing seal for packer status information, order
RFID label tag delivery device 3 is cast and is passed RFID label tag 10 under the information comprising closedown sliding sleeve order, realizes intelligent sliding sleeve of bushing 7 and closes
Close.
Control and positioning circuit 15 is powered by mud motor with underground slurry pulse generator 12, upper packer 17 and lower envelope
Powered by battery pack 14 every device 19.
According to aforesaid operations order, can achieve the fracturing work of any interval.
When carrying out the switching operations of intelligent sliding sleeve of bushing 7, first carry out positioning operation.After the completion of positioning operation, sliding sleeve control
Instrument 16 processed drags inner sliding sleeve 24 by sliding sleeve opening and closing operations groove 26, and after sliding sleeve fully opens, sliding sleeve is opened indicating label 22 and is located at
Tag reader window 21 position.When intelligent sliding sleeve of bushing 7 is in open state, intelligent pressure break and positioning pipe string 6 can lead to
Cross the open and-shut mode that tag reader window 21 reads intelligent sliding sleeve of bushing 7.When intelligent sliding sleeve of bushing 7 is in closed state, intelligence
Pressure break and positioning pipe string 6 can directly read the open and-shut mode of intelligent sliding sleeve of bushing 7.
Using the control system in the present invention：
1., after the completion of consolidating completion and pressure break, it is same diameter in pipe, multiple fracturing work can be carried out；
2. open and close any one section or several sections of stratum as needed, the conjunction realizing interval is adopted, divided and adopt and control production；
3. the opening and closing of infinite stages sliding sleeve and interval pressure break can be realized simultaneously；
4. without setting ball during fracturing work；
5. fracturing work positioning precision is high, it is to avoid maloperation damages sleeve pipe；
6. use multiple power sources type it is ensured that the reliability of pipe string tool；
7. no perforating job, pollution-free to payzone；
8. using intelligent sliding sleeve of bushing, open and-shut mode can be grasped, it is to avoid sliding sleeve None- identified operates.
In sum, present disclosure is not limited in the above embodiments, and those skilled in the art can be
Within the technological guidance's thought of the present invention, other embodiments are proposed, but this embodiment be included in the scope of the present invention it
Interior.
Claims (5)
1. a kind of multistage fracturing intelligence control system is it is characterised in that include intelligent pressure break and positioning pipe string (6), mud-pulse
Signal receiver (1), RFID label tag delivery device (3), more piece intelligence sliding sleeve of bushing (7), Operation Tubing Aggregate (4), wherein：
Described intelligent sliding sleeve of bushing (7) include main body, install intelligent sliding sleeve RFID label tag (28) on the body, connect to
The interior loop (27) of described intelligent sliding sleeve RFID label tag (28) and information write exterior loop (29), described information writes exterior loop
(29) it is arranged on the outer wall of described main body, for the write into described intelligent sliding sleeve RFID label tag (28), currently intelligent sleeve pipe is slided
The depth information of set (7), described interior loop (27) is arranged on the inwall of described main body, for reading described intelligent sleeve pipe RFID
The depth information of storage in label (28)；
Described intelligent pressure break and positioning pipe string (6) and the described Operation Tubing Aggregate (4) resting on the ground, described RFID label tag are thrown in
Device (3) is installed in series on coiled tubing (5), and described Operation Tubing Aggregate (4) is used for controlling under described coiled tubing (5)
Put, described RFID label tag delivery device (3) passes under the information carrying presupposed information for throwing in into described coiled tubing (5)
RFID label tag (10)；
Described intelligent pressure break and positioning pipe string (6) include RFID reader (13), control and positioning circuit (15), mud arteries and veins
Rush generator (12), described RFID reader (13) is used for reading the RFID mark in pipe string and on correspondence position outside pipe string
Sign, described control and positioning circuit (15) connect to described RFID reader (13) and described mud pulse generator
(12) when, for reading the depth information in described intelligent sliding sleeve RFID label tag (28) in described RFID reader (13)
Control described mud pulse generator (12) that this depth information is uploaded to described mud pulse signal receiver (1).
2. multistage fracturing intelligence control system according to claim 1 is it is characterised in that described intelligent pressure break and positioning pipe
String (6) also includes sliding sleeve and controls instrument (16), connects to described control and positioning circuit (15), described control and positioning circuit
(15) it is used for, when described RFID reader (13) reads and passes RFID label tag under the information carrying opening/closing sliding sleeve, controlling
Described sliding sleeve controls the opening/closing currently corresponding described intelligent sliding sleeve of bushing (7) of instrument (16), and controls described mud-pulse to occur
Device (12) uploads the open and-shut mode information of described intelligent sliding sleeve of bushing (7).
3. multistage fracturing intelligence control system according to claim 2 is it is characterised in that described intelligent sliding sleeve of bushing (7)
Also include inner sliding sleeve (24), described main body is provided with pressure break hole (31), the switchable described pressure break hole (31) of described inner sliding sleeve (24)
Be arranged in described main body, form the cannelure (32) of a preset length, one end of described inner sliding sleeve (24) in described main body
Go deep in described cannelure (32), the inwall of described inner sliding sleeve (24) is provided with and described RFID reader (13) cooperation
Sliding sleeve open indicating label (22) and sliding sleeve closes indicating label (23), the side wall of described cannelure (32) has a tag reader
Window (21), when described inner sliding sleeve (24) is opened, described sliding sleeve opens indicating label (22) by described tag reader window (21) dew
Go out and described sliding sleeve closes indicating label (23) and blocked by the side wall of described cannelure (32), described in when described inner sliding sleeve (24) is closed
Sliding sleeve closes that indicating label (23) exposes and described sliding sleeve is opened indicating label (22) and blocked by the side wall of described cannelure (32).
4. multistage fracturing intelligence control system according to claim 1 is it is characterised in that described intelligent pressure break and positioning pipe
String (6) also includes packer (17,19), connects to described control and positioning circuit (15), described control and positioning circuit (15)
For described intelligent sliding sleeve RFID label tag (28) read carry pass RFID label tag under the information setting/unsealing when, control institute
State packer (17,19) to set/unseal, and control described mud pulse generator (12) to upload described packer (17,19)
Set/unset state information.
5. multistage fracturing intelligence control system according to any one of claim 1 to 4 is it is characterised in that also include ground
Face control system (8), connects to described mud pulse signal receiver (1), described RFID label tag delivery device (3) and described company
Continuous oil pipe car (4), the information for being received according to described mud pulse signal receiver (1) controls described RFID label tag to throw in
Pass RFID label tag (10) under the information of device (3) the corresponding control information of input and control described Operation Tubing Aggregate (4) execution phase
The instruction answered.
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| CN201510052002.XA CN104653159B (en) | 2015-02-02 | 2015-02-02 | Multi-stage cracking intelligent control system |
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| CN201510052002.XA CN104653159B (en) | 2015-02-02 | 2015-02-02 | Multi-stage cracking intelligent control system |
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| CN104653159B true CN104653159B (en) | 2017-02-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386749B (en) * | 2015-06-17 | 2018-09-07 | 周再乐 | A kind of novel fracturing tool |
| CN105673000B (en) * | 2016-02-01 | 2018-06-12 | 华中科技大学 | A kind of wireless control system for the deblocking of downhole tool preventer |
| RU2622468C1 (en) * | 2016-02-29 | 2017-06-15 | Публичное акционерное общество "Татнефть" им. В.Д. Шашина | Device for measuring depth of cable running in well |
| RU2618487C1 (en) * | 2016-02-29 | 2017-05-03 | Публичное акционерное общество "Татнефть" им. В.Д. Шашина | Device for measuring depth of cable running in well |
| 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 |
| CN113123757A (en) * | 2020-01-16 | 2021-07-16 | 成都维锐泰达能源技术有限公司 | Intelligent delivery device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5494105A (en) * | 1994-10-25 | 1996-02-27 | Camco International Inc. | Method and related system for operating a downhole tool |
| WO2001092675A2 (en) * | 2000-06-01 | 2001-12-06 | Marathon Oil Company | Method and system for performing operations and for improving production in wells |
| CN201068794Y (en) * | 2007-08-10 | 2008-06-04 | 中国石油化工股份有限公司 | Down-hole data wireless exchange set |
| GB2500044B (en) * | 2012-03-08 | 2018-01-17 | Weatherford Tech Holdings Llc | Selective fracturing system |
| CN204419148U (en) * | 2015-02-02 | 2015-06-24 | 中国石油集团渤海钻探工程有限公司 | Multistage fracturing intelligence control system |
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