CN104832150B - Device and method of electromagnet control intelligent ball injection for horizontal well multistage fracturing - Google Patents
Device and method of electromagnet control intelligent ball injection for horizontal well multistage fracturing Download PDFInfo
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- CN104832150B CN104832150B CN201510261804.1A CN201510261804A CN104832150B CN 104832150 B CN104832150 B CN 104832150B CN 201510261804 A CN201510261804 A CN 201510261804A CN 104832150 B CN104832150 B CN 104832150B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000002347 injection Methods 0.000 title abstract 8
- 239000007924 injection Substances 0.000 title abstract 8
- 239000012530 fluid Substances 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 24
- 238000010276 construction Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000069 prophylactic effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a device and method of electromagnet control intelligent ball injection for horizontal well multistage fracturing. The device comprises an annular pipeline, a ball injection module, a ball injection detecting device (6) and a fluid collecting device (14). The annular pipeline comprises a fracturing fluid main pipeline, a special-shaped connecting pipe (4), an annular connecting pipe (18) and a straight connecting pipe (17), and the special-shaped connecting pipe (4), the annular connecting pipe (18) and the straight connecting pipe (17) are sequentially communicated to form a U-shaped through pipe. The fracturing fluid main pipeline comprises a fracturing fluid main pipeline large-diameter segment (9) and a fracturing fluid main pipeline small-diameter segment (10), one side of the fracturing fluid main pipeline large-diameter segment (9) is communicated with the special-shaped connecting pipe (4), and the special-shaped connecting pipe (4) is communicated with the fluid collecting device (14). The ball injection module is arranged above the special-shaped connecting pipe (4). The device and method have the advantages that under the condition of not stopping a pump, remote control and ball injection sequence adjustment of multiple times of ball injection in multistage fracturing are achieved, the success rate of ball injection is high, use is convenient, and the device can be repeatedly used.
Description
Technical field
The present invention relates to ball-throwing apparatus, particularly a kind of horizontal well multistage fracturing device of magnet control intelligence pitching
And method.
Background technology
Since the nineties in 20th century, with the progress of petroleum resources Requirement Increases and science and technology, staged fracturing technology is obtained
Develop rapidly and extensively apply.Ball injector is indispensable equipment in staged fracturing technique.With intelligent sliding sleeve as downhole intelligent
In the fracturing technology of switch, by putting into label ball, the pressure break to formation at target locations is realized in the keying of the intelligent sliding sleeve of control.
At present, pitching technique can be divided into termination of pumping pitching and pitching with pressure.Traditional termination of pumping pitching technique is unloaded after termination of pumping
Plug at lower well head pitching hole, turn on pump continues operation after input signal ball.This stuff, needs termination of pumping, and time-consuming, workman
High labor intensive and with certain danger.Pitching technique with pressure is that signal ball is pre-installed in ball injector, construction
When, by certain control device, drive signal ball input.At present pitching technology with pressure, grasps Large Oil clothes abroad public more
In department's hand, the country carries out needing the external ball-throwing apparatus of lease, somewhat expensive during pressing crack construction.And, these pitching skills with pressure
Art, there is also some shortcomings：
1. bearing requirements are high, and spatial volume is big, due to work with pressure and ball room is joined directly together with pressure break sprue, to device
Pressure-bearing design requirement it is very high；
2. pitching efficiency is low, and the pitching with pressure that existing ball room is vertically arranged is designed for steel ball, when new low
When the electronic tag ball of density occurs, the probability that label ball enters pressure break pipeline is relatively low；
3. pitching maloperation prophylactic function is short of；
4. label ball installation steps are loaded down with trivial details.
The content of the invention
It is an object of the invention to overcome the shortcoming of prior art, there is provided a kind of high, the easy to use water of pitching success rate
Horizontal well multistage fracturing with magnet control intelligence pitching device and method, the present invention in the case of not termination of pumping, can realize
The remotely control of multiple pitching in multistage fracturing.
The purpose of the present invention is achieved through the following technical solutions：A kind of horizontal well multistage fracturing magnet control intelligence
The device of pitching, it includes circulating line, pitching module, pitching detection means and liquid collector, and circulating line includes fracturing fluid
Main pipeline, special-shaped connecting tube, ring-shaped connecting pipe and direct-connected adapter, special-shaped connecting tube, ring-shaped connecting pipe and direct-connected adapter connect successively
Logical to form a U-shaped siphunculus, fracturing fluid main pipeline includes the big footpath section of fracturing fluid main pipeline and fracturing fluid main pipeline path section, pressure break
The special-shaped connecting tube of the big footpath section side connection of liquid main pipeline, special-shaped connecting tube is installed on the pipeline of the big footpath section of fracturing fluid main pipeline
There is valve B, fracturing fluid main pipeline path section side connects direct-connected adapter, valve D is provided with direct-connected adapter；
With liquid collector by pipeline connection, the pipeline between special-shaped connecting tube and liquid collector is provided with special-shaped connecting tube
Valve C, pitching detection means is arranged on special-shaped connecting tube lower section；
Pitching module includes through hole base, valve A and conventional pitching pushing module, and through hole base passes through with special-shaped connecting tube
Pipeline connection, valve A is arranged on the pipeline between through hole base and special-shaped connecting tube, and conventional pitching pushing module is arranged on logical
Bottom hole seat top, pitching module is arranged on special-shaped connecting tube top, and through hole base is provided with least one through hole, and conventional pitching is pushed away
Module is sent to be provided with signal processing module, signal processing module is wirelessly connected with remote control module, and remote control module is used for
Construction control signal is sent to signal processing module, signal processing module reception processing signal simultaneously controls conventional pitching push mould
The work of block, valve A, valve B, valve C and valve D；
Conventional pitching pushing module includes several multilayer pushers, and several multilayer pushers are surrounded pacifies in a ring
Dress, forms pitching passage, and multilayer pusher includes several pushers, and several pushers are overlapped to install and constitute multilayer
Pusher, pusher includes pushing electromagnet room, push electromagnet, baffle plate electromagnet in push electromagnet room
Room, the baffle plate electromagnet in baffle plate electromagnet room and obstacle slope.
The free end of the big footpath section of described fracturing fluid main pipeline is connected with union flange crossover sub A, fracturing fluid main pipeline
The free end of path section is connected with union flange crossover sub B.
Described pitching detection means is located at through hole base pipeline axis and is connected bottom of the tube intersection, abnormity connection with abnormity
The endoporus bottom of pipe is provided with a groove at the position above pitching detection means.
Described through hole base is provided with standby pitching pushing module.
Push pedal is installed on described push electromagnet, L-type baffle plate is installed on baffle plate electromagnet.
A kind of horizontal well multistage fracturing with magnet control intelligence pitching method, it is characterised in that：It includes following step
Suddenly：
S1., ball-throwing apparatus are installed：The union flange crossover sub A and union flange that ball-throwing apparatus are passed through into main pipeline two ends
Crossover sub B is connected in well head pressure break pipeline, the sliding door on the manually operated pitching pushing module of workmen, and to label
Ball is numbered, and label ball is put in order；
S2. normal pressure break：When normal pressure break does not need pitching, valve A and valve C is closed mode, valve B and valve D
For opening, fracturing fluid source is opened, fracturing fluid is via pressure break pipeline, union flange crossover sub A, the big footpath of fracturing fluid main pipeline
Section, fracturing fluid main pipeline path section, circulating line and union flange crossover sub B streams enter next section of pressure break pipeline；
S3. pitching control：When needing pitching, the operational order of workmen is passed to signal transacting by remote control module
Module, signal processing module output signal closes valve B and valve D, and Open valve C, valve A section below liquid flows into liquid collecting
Device, makes liquid level below valve A etc. higher than liquid collector horizontal pipe, Open valve A after 10 seconds；
Operation remote control module to signal processing module sends signal, and signal processing module identification signal simultaneously starts conventional
The corresponding pusher of target labels ball in pitching pushing module, both baffle plate electromagnet pull open L-type baffle plate, push electromagnet and push away
Dynamic label ball, label ball leaves pusher by pitching passage, falls into special-shaped connecting tube；If label ball density is less than fracturing fluid
Then float on liquid level, the groove of special-shaped connecting tube is fallen into if label ball density is more than fracturing fluid；Pitching module is arranged altogether
It is two sets, a set of for conventional pitching pushing module, it is another set of for standby pitching pushing module, when conventional pitching pushing module occur it is former
Barrier cannot normally pitching when, enabling standby pitching pushing module carries out pitching；
S4. pitching detection：Positioned at the pitching detection means of special-shaped connecting tube groove, to the label on the label ball of input
Ball numbering is read out, whether to detect the label ball of input as object ball, if being judged as the label ball of mistake, and pitching detection
Device deletes the label ball numbering of the label ball, and writes correct label ball numbering；
S5. pitching is completed：Valve A and valve C is closed, valve B and valve D is opened, fracturing fluid carries label ball and enters pressure
Split well head.
Described label ball numbering is RFID signal.
Described pitching detection means is rfid interrogator.
The present invention has advantages below：
1. pitching with pressure and safe and reliable remotely control in the achievable fracturing technology of the present invention, easy to operate；
2. when the present invention ensures sprue fracturing fluid proper flow, annular channel is blocked using valve, push pitching single
Unit works at ambient pressure, and after the completion of throwing under label ball, control respective valves are opened and closed, and annular channel connection forms jet effect, promotees
Make fracturing fluid carry label ball G.I.H, with simple structure, control flexible advantage；
3. the pusher of the present invention is simple, and ball case ordered arrangement, spatial volume is less, and order of bowling can control；
4. the present invention is equipped with detection means and standby pitching push unit, improves pitching accuracy rate and reliability.
Description of the drawings
Fig. 1 is a kind of structural representation of the device of horizontal well multistage fracturing magnet control intelligence pitching；
Fig. 2 is a kind of C of the device of horizontal well multistage fracturing magnet control intelligence pitching to sectional view；
Fig. 3 is a kind of A of the device of horizontal well multistage fracturing magnet control intelligence pitching to sectional view；
Fig. 4 is the structural representation of conventional pitching pushing module；
Fig. 5 is the B of conventional pitching pushing module to sectional view.
In figure, the standby pitching pushing modules of 1-, 2- through hole bases, 3- valve A, 4- abnormity connecting tube, the conventional pitchings of 5- are pushed away
Send module, 6- pitching detection means, 7- union flange crossover sub A, 8- flange connections, the big footpath section of 9- fracturing fluid main pipelines,
10- fracturing fluid main pipeline path sections, 11- union flange crossover sub B, 12- valve B, 13- valve D, 14- liquid collectors, 15-
Valve C, 16- signal processing module, the direct-connected adapters of 17-, 18- ring-shaped connecting pipes, 19- remote control modules, 20- pushes electromagnetism
Iron, 21- push pedals, 22- obstacles slope, 23-L type baffle plates, 24- baffle plate electromagnet, 25- pitching passages, 26- pushers, 27- gears
Plate electromagnet room, 28- pushes electromagnet room, 29- sliding doors.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described, and protection scope of the present invention is not limited to described below：
As shown in figure 1, a kind of horizontal well multistage fracturing is included circulating line, is thrown with the device of magnet control intelligence pitching
Ball module, pitching detection means 6 and liquid collector 14, circulating line includes fracturing fluid main pipeline, special-shaped connecting tube 4, annular even
Adapter 18 and direct-connected adapter 17, special-shaped connecting tube 4, ring-shaped connecting pipe 18 and direct-connected adapter 17 be sequentially communicated to be formed one it is U-shaped logical
Pipe, fracturing fluid main pipeline includes the big footpath section 9 of fracturing fluid main pipeline and fracturing fluid main pipeline path section 10, described in the present embodiment
The free end of the big footpath section 9 of fracturing fluid main pipeline be connected with union flange crossover sub A7, fracturing fluid main pipeline path section 10
Free end is connected with union flange crossover sub B11, and the special-shaped connecting tube 4 of the big side of footpath section 9 connection of fracturing fluid main pipeline, abnormity connects
Adapter 4 is provided with valve B12 on the pipeline of the big footpath section 9 of fracturing fluid main pipeline, and the side of fracturing fluid main pipeline path section 10 connects
Logical direct-connected adapter 17, is provided with valve D13 in direct-connected adapter 17
As shown in Figure 2 and Figure 3, with liquid collector 14 by pipeline connection, special-shaped connecting tube 4 is filled special-shaped connecting tube 4 with liquid collecting
Put the pipeline between 14 and be provided with valve C15, pitching detection means 6 is arranged on the lower section of special-shaped connecting tube 4, in the present embodiment, institute
The pitching detection means 6 stated is located at the pipeline axis of through hole base 2 and the special-shaped bottom intersection of connecting tube 4, special-shaped connecting tube 4 it is interior
Bottom hole portion is provided with a groove at the position of the top of pitching detection means 6, and described pitching detection means 6 is RFID read-write
Device；
Pitching module includes through hole base 2, valve A3 and conventional pitching pushing module 5, through hole base 2 and special-shaped connecting tube
4 by pipeline connection, and valve A3 is arranged on the pipeline between through hole base 2 and special-shaped connecting tube 4, commonly uses pitching pushing module
5 are arranged on the top of through hole base 2, and in the present embodiment, described through hole base 2 is provided with standby pitching pushing module 1, pitching mould
Block is arranged on the top of special-shaped connecting tube 4, and through hole base 2 is provided with least one through hole, and conventional pitching pushing module 5 is provided with letter
Number processing module 16, signal processing module 16 is wirelessly connected with remote control module 19, and remote control module 19 is applied for transmission
Work control signal to signal processing module 16, the reception processing signal of signal processing module 16 and control conventional pitching pushing module 5,
The work of valve A3, valve B12, valve C15 and valve D13；
As shown in Figure 4, Figure 5, commonly using pitching pushing module 5 includes several multilayer pushers, and several multilayers are pushed
Device forms pitching passage 25 around installing in a ring, and multilayer pusher includes several pushers 26, several push
The overlap of device 26 is installed and constitutes multilayer pusher, and pusher 26 is including push electromagnet room 28, installed in push electromagnet
Electromagnet 20, baffle plate electromagnet room 27, the baffle plate electromagnet 24 in baffle plate electromagnet room 27 and barrier are pushed in room 28
Hinder slope 22, in the present embodiment, push pedal 21 is installed on described push electromagnet 20, L-type is installed on baffle plate electromagnet 24
Baffle plate 23.
The course of work of the present invention is as follows：
Ball-throwing apparatus are put up, by the union flange crossover sub A7 and union flange crossover sub at main pipeline two ends
B11 is connected in well head pressure break pipeline, the sliding door 29 on the manually operated pitching pushing module of workmen, and label ball is entered
Line number, by label ball the label ball that be put in order that is defined is numbered；
When normal pressure break does not need pitching, valve A3 and valve C15 is closed mode, and valve B12 and valve D13 is unlatching
State, opens fracturing fluid source, fracturing fluid via pressure break pipeline, union flange crossover sub A7, the big footpath section 9 of fracturing fluid main pipeline,
Fracturing fluid main pipeline path section 10, circulating line and union flange crossover sub B11 streams enter next section of pressure break pipeline；
When needing pitching, the operational order of workmen is passed to signal processing module 16 by remote control module 19, letter
Number output signal of processing module 16 closes valve B12 and valve D13, and Open valve C15, valve A3 section below liquid flows into collection
Liquid device 14, makes liquid level below valve A3 etc. higher than the horizontal pipe of liquid collector 14, Open valve A3 after 10 seconds；
Signal, the identification signal of signal processing module 16 are sent by operating remote control module 19 to signal processing module 16
And start the corresponding pusher 26 of target labels ball in conventional pitching pushing module 5, both baffle plate electromagnet 24 pulled open L-type gear
Plate 23, pushes electromagnet 20 and promotes label ball, label ball to leave pusher 26 and fall into special-shaped connecting tube by pitching passage 25
4；
Float on liquid level if label ball density is less than fracturing fluid, because liquid collector 14 is both prevented for reducing liquid level
Label ball extrudes bad by valve, and enters vertical height in pipeline, therefore the horizontal pipe of liquid collector 14 for abstract factory ball
Need to be arranged on vertical position lower to form annular channel, when closing valve A3 and valve C15, Open valve B12 and valve
Door D13, is easy to liquid directly to carry label ball and enters special-shaped connecting tube 4；
The groove of special-shaped connecting tube 4 is fallen into if label ball density is more than fracturing fluid；
Pitching module arranges altogether two sets, a set of for conventional pitching pushing module 5, another set of for standby pitching pushing module 1,
When conventional pitching pushing module 5 break down cannot normally pitching when, enabling standby pitching pushing module 1 carries out pitching；
Positioned at the pitching detection means 6 of the groove of special-shaped connecting tube 4, the label ball numbering on the label ball of input is carried out
Read, whether to detect the label ball of input as object ball, if being judged as the label ball of mistake, pitching detection means 6 is deleted
The label ball numbering of the label ball, and write correct label ball numbering；
Valve A3 and valve C15 is closed, valve B12 and valve D13 is opened, fracturing fluid carries label ball and enters fractured well
Mouthful.
Claims (8)
1. a kind of horizontal well multistage fracturing with magnet control intelligence pitching device, it is characterised in that：It include circulating line,
Pitching module, pitching detection means（6）And liquid collector（14）, circulating line includes fracturing fluid main pipeline, special-shaped connecting tube
（4）, ring-shaped connecting pipe（18）With direct-connected adapter（17）, special-shaped connecting tube（4）, ring-shaped connecting pipe（18）With direct-connected adapter（17）According to
Secondary connection forms a U-shaped siphunculus, and fracturing fluid main pipeline includes the big footpath section of fracturing fluid main pipeline（9）With fracturing fluid main pipeline path
Section（10）, the big footpath section of fracturing fluid main pipeline（9）The special-shaped connecting tube of side connection（4）, special-shaped connecting tube（4）Near fracturing fluid supervisor
The big footpath section in road（9）Pipeline on valve B is installed（12）, fracturing fluid main pipeline path section（10）Side connects direct-connected adapter
（17）, direct-connected adapter（17）On valve D is installed（13）；
Special-shaped connecting tube（4）With liquid collector（14）By pipeline connection, special-shaped connecting tube（4）With liquid collector（14）Between
Pipeline is provided with valve C（15）, pitching detection means（6）It is arranged on special-shaped connecting tube（4）Lower section；
Pitching module includes through hole base（2）, valve A（3）With conventional pitching pushing module（5）, through hole base（2）With abnormity even
Adapter（4）By pipeline connection, valve A（3）It is arranged on through hole base（2）With special-shaped connecting tube（4）Between pipeline on, commonly use
Pitching pushing module（5）It is arranged on through hole base（2）Top, pitching module is arranged on special-shaped connecting tube（4）Top, through hole base
（2）At least one through hole is provided with, pitching pushing module is commonly used（5）It is provided with signal processing module（16）, signal processing module
（16）With remote control module（19）Wireless connection, remote control module（19）For sending Construction control signal to signal transacting
Module（16）, signal processing module（16）Receive Construction control signal and control conventional pitching pushing module（5）, valve A（3）、
Valve B（12）, valve C（15）With valve D（13）Work；
Conventional pitching pushing module（5）Including several multilayer pushers, several multilayer pushers are surrounded pacifies in a ring
Dress, forms pitching passage（25）, multilayer pusher include several pushers（26）, several pushers（26）Overlap
Install and constitute multilayer pusher, pusher（26）Including push electromagnet room（28）, installed in pushing electromagnet room（28）
Interior push electromagnet（20）, baffle plate electromagnet room（27）, installed in baffle plate electromagnet room（27）Interior baffle plate electromagnet（24）
With obstacle slope（22）.
2. a kind of horizontal well multistage fracturing according to claim 1 with magnet control intelligence pitching device, its feature
It is：The big footpath section of described fracturing fluid main pipeline（9）Free end be connected with union flange crossover sub A（7）, fracturing fluid supervisor
Road path section（10）Free end be connected with union flange crossover sub B（11）.
3. a kind of horizontal well multistage fracturing according to claim 1 with magnet control intelligence pitching device, its feature
It is：Described pitching detection means（6）Positioned at through hole base（2）Pipeline axis and special-shaped connecting tube（4）Bottom intersection, it is different
Shape connecting tube（4）Endoporus bottom in pitching detection means（6）A groove is provided with the position of top.
4. a kind of horizontal well multistage fracturing according to claim 1 with magnet control intelligence pitching device, its feature
It is：Described through hole base（2）It is provided with standby pitching pushing module（1）.
5. a kind of horizontal well multistage fracturing according to claim 1 with magnet control intelligence pitching device, its feature
It is：Described push electromagnet（20）On push pedal is installed（21）, baffle plate electromagnet（24）On L-type baffle plate is installed（23）.
6. a kind of horizontal well multistage fracturing with magnet control intelligence pitching method, it is characterised in that：It is comprised the following steps：
S1., ball-throwing apparatus are installed：The union flange crossover sub A that ball-throwing apparatus are passed through into main pipeline two ends（7）With union flange
Crossover sub B（11）Sliding door in being connected to well head pressure break pipeline, on the manually operated pitching pushing module of workmen（29）,
And label ball is numbered, label ball is put in order；
S2. normal pressure break：When normal pressure break does not need pitching, valve A（3）With valve C（15）For closed mode, valve B（12）
With valve D（13）For opening, fracturing fluid source is opened, fracturing fluid is via pressure break pipeline, union flange crossover sub A（7）, pressure
Split the big footpath section of liquid main pipeline（9）, fracturing fluid main pipeline path section（10）, circulating line and union flange crossover sub B（11）Stream
Enter next section of pressure break pipeline；
S3. pitching control：When needing pitching, remote control module（19）The operational order of workmen is passed to into signal transacting
Module（16）, signal processing module（16）Output signal closes valve B（12）With valve D（13）, Open valve C（15）, valve A
（3）Section below liquid flows into liquid collector（14）, make valve A（3）Liquid level of lower section etc. is higher than liquid collector（14）Horizontal tube
Road, Open valve A after 10 seconds（3）；
Operation remote control module（19）To signal processing module（16）Send signal, signal processing module（16）Identification signal is simultaneously
Start conventional pitching pushing module（5）The corresponding pusher of middle target labels ball（26）, i.e. baffle plate electromagnet（24）Pull open
L-type baffle plate（23）, push electromagnet（20）Label ball, label ball is promoted to leave pusher（26）By pitching passage（25）,
Fall into special-shaped connecting tube（4）；Float on liquid level if label ball density is less than fracturing fluid, if label ball density is more than fracturing fluid
Then fall into special-shaped connecting tube（4）Groove；Pitching module arranges altogether two sets, a set of for conventional pitching pushing module（5）, it is another
Cover for standby pitching pushing module（1）, when conventional pitching pushing module（5）Break down cannot normally pitching when, enable standby
Pitching pushing module（1）Carry out pitching；
S4. pitching detection：Positioned at special-shaped connecting tube（4）The pitching detection means of groove（6）, to the mark on the label ball of input
Sign ball numbering to be read out, whether to detect the label ball of input as object ball, if being judged as the label ball of mistake, pitching inspection
Survey device（6）The label ball numbering of the label ball is deleted, and writes correct label ball numbering；
S5. pitching is completed：Close valve A（3）With valve C（15）, open valve B（12）With valve D（13）, fracturing fluid is carried to be marked
Sign ball and enter fracture well head.
7. a kind of horizontal well multistage fracturing according to claim 6 with magnet control intelligence pitching method, its feature
It is：Described label ball numbering is RFID signal.
8. a kind of horizontal well multistage fracturing according to claim 6 with magnet control intelligence pitching method, its feature
It is：Described pitching detection means（6）It is rfid interrogator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261804.1A CN104832150B (en) | 2015-05-21 | 2015-05-21 | Device and method of electromagnet control intelligent ball injection for horizontal well multistage fracturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261804.1A CN104832150B (en) | 2015-05-21 | 2015-05-21 | Device and method of electromagnet control intelligent ball injection for horizontal well multistage fracturing |
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| Publication Number | Publication Date |
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| CN104832150A CN104832150A (en) | 2015-08-12 |
| CN104832150B true CN104832150B (en) | 2017-05-10 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7363967B2 (en) * | 2004-05-03 | 2008-04-29 | Halliburton Energy Services, Inc. | Downhole tool with navigation system |
| CA2625766A1 (en) * | 2007-03-16 | 2008-09-16 | Isolation Equipment Services Inc. | Ball injecting apparatus for wellbore operations |
| CN101549349B (en) * | 2009-05-06 | 2011-01-05 | 西安金立石油科技有限公司 | Delivery pipeline cleaning device |
| CA2703426C (en) * | 2009-05-12 | 2012-02-14 | Isolation Equipment Services, Inc. | Radial ball injecting apparatus for wellbore operations |
| CN201799437U (en) * | 2010-08-25 | 2011-04-20 | 中国石油天然气股份有限公司 | Electromagnetically-driving pitching device |
| CN202984221U (en) * | 2012-11-06 | 2013-06-12 | 西安安特石油科技有限公司 | Hydraulic type zero discharge pipeline digitization batting paraffin removal system |
| CN103939079B (en) * | 2013-01-23 | 2016-06-22 | 中国石油化工股份有限公司 | Fracture acidizing well head ball-throwing apparatus and operational approach thereof |
| CN204002745U (en) * | 2014-08-18 | 2014-12-10 | 姬丙兰 | A kind of separate stratum fracfturing ball-throwing apparatus |
| CN204163688U (en) * | 2014-10-21 | 2015-02-18 | 四川康克石油科技有限公司 | A kind of novel remote automatic ball-throwing system for acid fracturing operation |
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