CN105422047B - The full pipe apparatus for eliminating sludge and full pipe descaling method of a kind of changeable scale removal pattern - Google Patents
The full pipe apparatus for eliminating sludge and full pipe descaling method of a kind of changeable scale removal pattern Download PDFInfo
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- CN105422047B CN105422047B CN201510667626.2A CN201510667626A CN105422047B CN 105422047 B CN105422047 B CN 105422047B CN 201510667626 A CN201510667626 A CN 201510667626A CN 105422047 B CN105422047 B CN 105422047B
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- eliminating sludge
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Abstract
The invention discloses a kind of full pipe apparatus for eliminating sludge of changeable scale removal pattern and full pipe descaling methods.The present invention is equipped with upper and lower two centralizers（2）, upper centralizer top is through end（1）It is connected with the controller and computer on logging cable and ground；Eccentric electric scale removal pipe nipple and host are equipped between upper and lower two centralizers（4）；Eccentric electric scale removal pipe nipple is equipped with eccentric electric scale removal head（3）, host is equipped with ultrasonic scale removal pipe nipple（5）And guide grab（6）；Power supply, control, communicating circuit are equipped in host.The present invention uses the method that eccentric orfice mechanical descaling pattern mutually switches with oil pipe ultrasound scale removal pattern, solves high current, the contradiction of high power altrasonic transducer driving and data communication, realizes full tubing string scale removal；Relative to modes such as mechanical descaling, the chemical cleanings used originally, efficiency improves, and economic cost reduces, and environmental pollution reduces.
Description
Technical field
The present invention relates to a kind of full pipe apparatus for eliminating sludge of changeable scale removal pattern and full pipe descaling methods, belong to downhole instrument
Technical field.
Background technology
Latter period of oilfield development is general to improve oil recovery factor using the method for reinforcing water filling.Since institute's water filling matter is poor,
With well depth, the increase of temperature, the Ca that contains in water2+、Mg2+Deng with CO3 2-、SO4 2-Etc. reacting, it is deposited on down-hole oil tube
Inner wall, tool inner wall etc. form incrustation scale.Incrustation scale causes pipeline drift diameter to become smaller, and may cause the test of other downhole testing instruments not
It is accurate or by unsmooth；And the dirty piece that the instrument process of going into the well scrapes, stratum water-filling nozzle may be caused to block, influence water-injection efficiency.Mesh
The method that preceding oil field generally uses down-hole string mechanical descaling, chemical reagent scale removal or operation to take out oil pipe mechanical descaling goes to remove water
Dirt, that there are efficiency is low, of high cost, pollution stratum and the problems such as environment.
Invention content
The object of the present invention is to provide a kind of full pipe apparatus for eliminating sludge of changeable scale removal pattern and full pipe descaling method,
To solve the problems, such as low existing descaling method efficiency, of high cost, pollution stratum and environment, to overcome the deficiencies in the prior art.
The technical proposal of the invention is realized in this way：
A kind of full pipe apparatus for eliminating sludge of changeable scale removal pattern of the present invention is that the device is equipped with upper and lower two centralizers,
Controller at the top of upper centralizer through end and logging cable and ground and computer connection；It is set between upper and lower two centralizers
There are eccentric electric scale removal pipe nipple and host；Eccentric electric scale removal pipe nipple is equipped with eccentric electric scale removal head, and host is equipped with ultrasound
Scale removal pipe nipple and guide grab；Power supply, control, communicating circuit are equipped in host.
A kind of full pipe that the present invention of full pipe scale removal is carried out using the full pipe apparatus for eliminating sludge of above-mentioned changeable scale removal pattern is removed
Dirty method is that this method is to be connected full pipe apparatus for eliminating sludge and the controller and computer on ground by logging cable, will then
Full pipe apparatus for eliminating sludge is put into well, when full pipe apparatus for eliminating sludge is put to injection well downhole flow regulator, is needed to injection well downhole flow regulator eccentric orfice scale removal, by ground
Face controller or computer switch to injection well downhole flow regulator scale removal pattern to injection well downhole flow regulator eccentric orfice scale removal；Then it is further continued for transferring full pipe scale removal
Device switches to selection by ground controller or computer and is in full pipe scale removal pattern using full pipe apparatus for eliminating sludge, completes to oil
The scale removal of pipe.
In aforementioned full pipe descaling method, when the injection well downhole flow regulator eccentric orfice scale removal, controlled by the included motor in ground or device
Eccentric electric scale removal head and guide grab pop-up, guide grab slide into eccentric injection mandrel guide groove and play guiding role, eccentric electric
Scale removal head, which is inserted into eccentric injection mandrel eccentric orfice, completes docking；Feeding ensures eccentric orfice to the rotation of eccentric electric scale removal head forward simultaneously
Interior effective depth scale removal.
In aforementioned full pipe descaling method, under the injection well downhole flow regulator eccentric orfice scale removal pattern, apparatus for eliminating sludge operating power is smaller, surveys
On well cable by electric current it is small, will not on well, downhole data communication have an impact, can by ground realize to downhole instrument
Control.
It is high-power super equipped with several axially distributed ring-types on the ultrasound scale removal pipe nipple in aforementioned full pipe descaling method
Sonic transducer；After switching to oil pipe stain eliminating pattern, ultrasonic transducer sends out specific frequency vibration, and oil pipe is transmitted to by aqueous medium
Inner wall generates cavitation effect, makes that incrustation scale on tube inner wall is loose, crushes, until falling off.
By adopting the above-described technical solution, compared with prior art, the present invention the present invention uses eccentric orfice mechanical descaling
It is logical to solve high current, high power altrasonic transducer driving and data for the method that pattern and oil pipe ultrasound scale removal pattern are combined
The contradiction of news realizes full tubing string scale removal；Relative to modes such as mechanical descaling, the chemical cleanings used originally, efficiency improves, warp
Ji cost reduction, environmental pollution reduce；Ultrasonic scale removal be non-direct contact type scale removal, avoid mechanical scale removal cutter head be hampered,
Meet the risk of card, safe, long lifespan.The apparatus for eliminating sludge and method of the present invention is suitable in the scale removal of oil field water well underground.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
The label of attached drawing be：1- ends, 2- centralizers, 3- eccentric electric scale removal head, 4- hosts, 5- ultrasound scale removal are short
Section, 6- guide grabs.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples, but not as to any of the present invention
Limitation.
Embodiment
The full pipe apparatus for eliminating sludge of a kind of changeable scale removal pattern of the present invention, as shown in Figure 1, the device is equipped with upper and lower two
Centralizer 2, controller and computer connection of the upper centralizer top through end 1 and logging cable and ground；Upper and lower two are helped
It is equipped with eccentric electric scale removal pipe nipple and host 4 between positive device 2；Eccentric electric scale removal pipe nipple is equipped with eccentric electric scale removal head 3, main
Machine 4 is equipped with ultrasonic scale removal pipe nipple 5 and guide grab 6；Power supply, control, communicating circuit are equipped in host 4.
A kind of full pipe descaling method that the present invention of full pipe scale removal is carried out using above-mentioned apparatus, as shown in Figure 1, this method is
Full pipe apparatus for eliminating sludge and the controller and computer on ground are connected by logging cable, will be then put into full pipe apparatus for eliminating sludge
In well, when full pipe apparatus for eliminating sludge is put to injection well downhole flow regulator, is needed to injection well downhole flow regulator eccentric orfice scale removal, by ground controller or machine-cut is calculated
Injection well downhole flow regulator scale removal pattern is shifted to injection well downhole flow regulator eccentric orfice scale removal；Then it is further continued for transferring full pipe apparatus for eliminating sludge, by ground controller
Or computer switches to selection and is in full pipe scale removal pattern using full pipe apparatus for eliminating sludge, completes the scale removal to oil pipe.Matched
When hydrophone eccentric orfice scale removal, popped up by the included motor control eccentric electric scale removal head in ground or device and guide grab, guide grab
It slides into eccentric injection mandrel guide groove and plays guiding role, eccentric electric scale removal head is inserted into completion pair in eccentric injection mandrel eccentric orfice
It connects；Feeding ensures effective depth scale removal in eccentric orfice to the rotation of eccentric electric scale removal head forward simultaneously.In injection well downhole flow regulator eccentric orfice scale removal
Under pattern, apparatus for eliminating sludge operating power is smaller, on logging cable by electric current it is small, will not on well, downhole data communication produce
It is raw to influence, the control to downhole instrument can be realized by ground.Equipped with several axially distributed on the ultrasound scale removal pipe nipple
Cyclic annular high power altrasonic transducer；After switching to oil pipe stain eliminating pattern, ultrasonic transducer sends out specific frequency vibration, is situated between by water
Matter is transmitted to tube inner wall, generates cavitation effect, makes that the incrustation scale on tube inner wall is loose, crushes, until falling off.
Embodiment
A kind of full pipe apparatus for eliminating sludge of changeable scale removal pattern of the present invention is followed successively by end 1, centralizer from top to bottom
2, eccentric electric scale removal head 3, host 4, ultrasonic scale removal pipe nipple 5 and guide grab 6 etc..End 1 is for connecting apparatus for eliminating sludge and survey
Well cable, the logging cable other end connect ground controller, computer etc.（Do not illustrate in Fig. 1）；About 2 centralizer respectively arranges one
It is a, keep apparatus for eliminating sludge placed in the middle, ensures oil pipe stain eliminating effect；Equipped with circuits lists such as power supply, control, communications in apparatus for eliminating sludge host 4
Member.
One of two kinds of scale removal operating modes may be selected on ground controller or computer, two kinds of operating modes can be mutually tangent
It changes：
Injection well downhole flow regulator eccentric orfice scale removal pattern：Eccentric electric scale removal head 3 is used for eccentric injection mandrel oil field water well tubing string composition portion
Point, eccentric orfice scale removal rotates scale removal by same motor control pop-up, gathering or cutter head, is controlled pop up by ground when needed；Partially
After electrocardio moves 3 pop-up of scale removal head, apparatus for eliminating sludge is transferred, guide grab 6 slides into eccentric injection mandrel guide groove and plays guiding role, partially
Electrocardio moves scale removal head 3 and is inserted into eccentric injection mandrel eccentric orfice, completes docking；The rotation of eccentric electric scale removal head 3 is fed forward simultaneously,
Ensure effective depth scale removal in eccentric orfice.Under this operating mode, apparatus for eliminating sludge operating power is smaller, on logging cable by electricity
Flow it is small, will not on well, downhole data communication have an impact the control, it can be achieved that downhole instrument；
Oil pipe stain eliminating pattern：Several axially distributed cyclic annular high power altrasonic transducers are housed on ultrasonic scale removal pipe nipple 5,
Ultrasonic transducer sends out specific frequency vibration after energization, is transmitted to tube inner wall by aqueous medium, generates cavitation effect, make oil pipe
Incrustation scale on inner wall is loose, crushes, until falling off.Under this operating mode, apparatus for eliminating sludge operating power is larger, leads on logging cable
The electric current crossed is larger, it is more difficult to realize communication, the control to downhole instrument.When old place face controller is switched to this pattern, ultrasound is changed
The i.e. power supply starting of oscillation of energy device, when being switched to other patterns, ultrasonic transducer not starting of oscillation.
Claims (1)
1. a kind of full pipe descaling method of the full pipe apparatus for eliminating sludge of changeable scale removal pattern, it is characterised in that：The device is equipped with upper
Lower two centralizers（2）, upper centralizer top is through end（1）It is connected with the controller and computer on logging cable and ground；
Upper and lower two centralizers（2）Between be equipped with eccentric electric scale removal pipe nipple and host（4）；Eccentric electric scale removal pipe nipple is equipped with bias
Electronic scale removal head（3）, host（4）It is equipped with ultrasonic scale removal pipe nipple（5）And guide grab（6）；Host（4）It is interior be equipped with power supply, control,
Communicating circuit；This method is to be connected full pipe apparatus for eliminating sludge and the controller and computer on ground by logging cable, then will
Full pipe apparatus for eliminating sludge is put into well, when full pipe apparatus for eliminating sludge is put to injection well downhole flow regulator, is needed to injection well downhole flow regulator eccentric orfice scale removal, by ground
Controller or computer switch to injection well downhole flow regulator scale removal pattern to injection well downhole flow regulator eccentric orfice scale removal；Then it is further continued for transferring full pipe scale removal dress
It sets, switch to selection by ground controller or computer is in full pipe scale removal pattern using full pipe apparatus for eliminating sludge, completes to oil pipe
Scale removal；When injection well downhole flow regulator eccentric orfice scale removal, by the included motor control eccentric electric scale removal head in ground or device and guide grab bullet
Go out, guide grab, which slides into eccentric injection mandrel guide groove, plays guiding role, and it is eccentric that eccentric electric scale removal head is inserted into eccentric injection mandrel
Docking is completed in hole；Feeding ensures effective depth scale removal in eccentric orfice to the rotation of eccentric electric scale removal head forward simultaneously；Injection well downhole flow regulator is inclined
Under heart hole scale removal pattern, apparatus for eliminating sludge operating power is smaller, on logging cable by electric current it is small, will not on well, underground number
It is had an impact according to communication, the control to downhole instrument can be realized by ground；Divide in an axial direction equipped with several on ultrasonic scale removal pipe nipple
The cyclic annular high power altrasonic transducer of cloth；After switching to oil pipe stain eliminating pattern, ultrasonic transducer sends out specific frequency vibration, passes through
Aqueous medium is transmitted to tube inner wall, generates cavitation effect, makes that the incrustation scale on tube inner wall is loose, crushes, until falling off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667626.2A CN105422047B (en) | 2015-10-16 | 2015-10-16 | The full pipe apparatus for eliminating sludge and full pipe descaling method of a kind of changeable scale removal pattern |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667626.2A CN105422047B (en) | 2015-10-16 | 2015-10-16 | The full pipe apparatus for eliminating sludge and full pipe descaling method of a kind of changeable scale removal pattern |
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| CN105422047A CN105422047A (en) | 2016-03-23 |
| CN105422047B true CN105422047B (en) | 2018-08-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10731441B2 (en) * | 2016-12-14 | 2020-08-04 | Saudi Arabian Oil Company | Induced cavitation to prevent scaling on wellbore pumps |
| CN109458150A (en) * | 2018-11-16 | 2019-03-12 | 中国海洋石油集团有限公司 | A kind of downhole ultrasonic oscillation release device and method |
| CN112814621A (en) * | 2020-09-29 | 2021-05-18 | 中海油能源发展股份有限公司 | Ultrasonic pipe scraper and using method thereof |
| CN112814622B (en) * | 2021-01-25 | 2022-04-22 | 西南石油大学 | Device for carrying out mixed descaling and corrosion degree detection on oil and gas well and application method thereof |
| US11994016B2 (en) | 2021-12-09 | 2024-05-28 | Saudi Arabian Oil Company | Downhole phase separation in deviated wells |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1525041A (en) * | 2003-09-16 | 2004-09-01 | 贵州航天凯山石油仪器有限公司 | Automatic adjustment method for injection allocation quantity of oil field water injection well |
| US20050269078A1 (en) * | 2004-06-03 | 2005-12-08 | Morgenthaler Lee N | Downhole ultrasonic well cleaning device |
| CN101934280B (en) * | 2010-04-20 | 2012-05-30 | 上海兴全电力技术有限公司 | Efficient ultrasonic scale-preventing/removing device for long-pipeline |
| CN201991491U (en) * | 2011-02-18 | 2011-09-28 | 张忠信 | Online pressurized descaling device for oil pipe |
| CN202325414U (en) * | 2011-12-12 | 2012-07-11 | 胡勇 | Scale removal stopper in oil and water tubing string |
| CN202417437U (en) * | 2012-01-19 | 2012-09-05 | 东北石油大学 | Scale-borer for oilfield well logging |
| CN104564034B (en) * | 2014-12-13 | 2018-09-25 | 贵州航天凯山石油仪器有限公司 | A kind of inclined well packer detecting device of bridge and test encapsulation method |
| CN205025435U (en) * | 2015-10-16 | 2016-02-10 | 贵州航天凯山石油仪器有限公司 | Complete tub of scale removal device of changeable scale removal mode |
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