CN203978424U - A kind of underground work device - Google Patents
A kind of underground work device Download PDFInfo
- Publication number
- CN203978424U CN203978424U CN201420229422.1U CN201420229422U CN203978424U CN 203978424 U CN203978424 U CN 203978424U CN 201420229422 U CN201420229422 U CN 201420229422U CN 203978424 U CN203978424 U CN 203978424U
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- Prior art keywords
- rfid
- annular groove
- underground work
- work device
- well
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- 239000000523 sample Substances 0.000 claims description 39
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 210000002445 nipple Anatomy 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
Abstract
A kind of underground work device, it comprises: jacket casing housing, wall is provided with at least one annular groove therein; The assembly of going into the well that is arranged on described jacket casing enclosure interior, is provided with RFID range unit thereon, in order to measure described annular groove and described in the distance of going into the well between assembly.Described underground work device has advantages of accurate location, simple to operate, and may be used on going into the well in robot, crawl device and fracturing sliding bush, realizes the accurate location of Centimeter Level.
Description
Technical field
The utility model relates to oil and gas development and Exploration Domain, relates in particular to a kind of underground work device.
Background technology
In oil development process, need to implement the operations such as a large amount of underground fractures, test, well testing and well workover.These operations are all carried out in sleeve pipe, and require the power tool of G.I.H to locate accurately in sleeve pipe, otherwise cannot block standard, therefore cannot operation.
The location technology using at present mainly contains two kinds: the 1st kind: hollow location technology, this technology realizes location by the step of instrument external diameter.Main feature is that the internal diameter of seating nipple reduces from the top down, and therefore the external diameter of corresponding positioner also reduces.Shortcoming is the further refinement of progression of positioner, three grades at the most.Each test can only be thrown in one-level positioner, and the multistage positioner of input of cannot once going into the well is tested.On the basis of this hollow location technology, also having some improvement technology, is mainly to go into the well on realizing repeatedly in conjunction with mechanical technique.The 2nd kind: unidirectional test position fix technology, is mainly used in the location technology of eccentric water injection.Main feature be by carry instrument and make cam upset in conjunction with mechanical triggering technique, locating detent struts.On carry instrument by after seating nipple, then pour in seating nipple with certain speed.Now, locating detent slips into and locating slot, completes location from horn mouth.Shortcoming is that appearance and size is larger, can only test from bottom to up.
It is below the current discloseder power tool and be arranged on the introduction of the pinpoint prior art between the instrument of down-hole of going into the well about oil well.
The 1st part of prior art content is: the pawl body that is arranged on the locating detent driving mechanism in tubbiness shell is assemblied in the pawl end of tubbiness shell, the one or more locating detent of the floating pendulum of pawl body on tubbiness outer shell outer wall.Locating detent is carried out to force analysis, ensure in the time that locating detent struts and form horn mouth, instrument moves downward and can slip over smoothly this horn mouth.And then reliable self-locking in annular positioning groove, realize location.
The 2nd part of prior art content is: when arriving behind the above position of landing nipple under filling column, again transfer tubing string, utilize suspending weight to change to judge whether to locate successfully.
The 3rd part of prior art content is: locator comprises that locking ball, steel ball pack body, steel ball working sliding sleeve, back-moving spring, restriction choke mouth and coiled tubing connector into.Coiled tubing connector connects steel ball and packs body into, and described connection steel ball packs body interlude internal diameter into, and to be greater than external diameter large.Wherein, external diameter coordinates with casing inner diameter, and internal diameter coordinates with the raised section of steel ball working sliding sleeve.Steel ball working sliding sleeve two ends pack body two ends internal diameter segment into steel ball and match.Steel ball packs Jing great middle part, inside and outside into and is provided with one week circular hole, in described circumferential apertures, is provided with locking ball.Described steel ball working sliding sleeve bottom is provided with return spring holder; The centre of steel ball working sliding sleeve is provided with restriction choke mouth.At restriction choke mouth, place forms certain chock pressure difference, and described chock pressure difference can will be connected to construction tool on oil pipe and be accurately lowered into the oil-gas Layer position of specific requirement.
The 4th part of prior art content is: obtain CCL (any casing coupling) data set or well logging from pit shaft, this CCL data set or well logging make the magnetic signal having recorded be associated with the degree of depth of measuring; And this CCL data set or well logging are arranged in pit shaft, and be specifically arranged on the position for wellbore apparatus is braked.Then this CCL well logging is downloaded in mother-tool.Should be programmed from mother-tool, and as the sensing box cupling of the function of time, provide thus the 2nd CCL well logging.Should the box cupling of sensing be matched with the physics signature from a CCL well logging from mother-tool.And based on the correlation of this first and second well logging, make this wellbore apparatus carry out self-retention at select location.
The 5th part of prior art content is: the locator that is connected on process pipe string bottom is transferred to 4～5m place, below of sleeve pipe location box cupling, and pulling force sensor and laser range sensor are installed in process pipe string upper end.The locator of process pipe string bottom, by after short sleeve box cupling, is above carried this process pipe string it is entered in short sleeve box cupling.On carry this process pipe string suspending weight can increase by 30～40kN.The pulling force sensor pulling force numerical value being connected on oil pipe changes, and the pulling force suffered oil pipe of going into the well is measured through pulling force sensor.Device is measured through laser range sensor to the vertical distance of well head.Now, be the degree of depth of magnetic orientation casing coupling.
Above-mentioned these are difficult to realize the power tool and be arranged on the accurate location between the instrument of down-hole of going into the well of oil well by mechanical location technology, tension variations technology, be particularly difficult to the accurate location of the Centimeter Level that is applied to the robot that goes into the well, crawl device and fracturing sliding bush.
Utility model content
For the problems referred to above, the utility model proposes a kind of underground work device, it comprises: jacket casing housing, wall is provided with at least one annular groove therein; The assembly of going into the well that is arranged on described jacket casing enclosure interior, is provided with RFID range unit thereon, in order to measure described annular groove and described in the distance of going into the well between assembly.
Preferably, described jacket casing housing comprises upward-sliding piece and is set in the lower saddle of end of described upward-sliding piece, and wherein said annular groove is arranged on described lower saddle, and described lower saddle can move relative to described upward-sliding piece.
Preferably, the width of described annular groove is made as the RFID that equals described RFID range unit and reads the half of the diameter of probe, is 5cm to 20cm; The degree of depth of described annular groove is made as 0.5cm to 3cm.
Preferably, the inside of described annular groove is provided with the RFID label of a built-in identification code.
Preferably, described RFID range unit comprises that RFID reads probe holder, RFID reads probe and RFID range unit protective cover; Wherein, the inner space that described RFID reads probe holder and described RFID and reads probe and be all arranged on described RFID range unit protective cover; Go into the well described in described RFID range unit protective cover the is set in end position of assembly.
Preferably, described RFID reads probe and is arranged on described RFID and reads the lateral location of probe holder, and described RFID reads go into the well described in the being arranged on end position of assembly of probe holder.
Preferably, be provided with at least 3 annular grooves that are spaced apart from each other along the inwall of described jacket casing housing.
Preferably, the spacing of described annular groove equates, and spacing is made as 5cm to 20cm.
According to the utility model, described underground work device is by being provided with at least one annular groove at the inwall of lower saddle, and the width of annular groove can be made as to 5cm to 20cm, and the degree of depth can be made as 0.5cm to 3cm, and spacing equates and spacing range is that 5cm is to 20cm.Because the inside of annular groove is provided with RFID label, in the time that RFID reads probe through described annular groove, by reading the identification code in RFID label, and then judge RFID and read the position of popping one's head in annular groove.By judging the position of described annular groove in described lower saddle, and judge that described RFID reads probe and reads the position on probe holder at described RFID, the accurate location of go into the well described in finally realizing assembly and described jacket casing housing.Described underground work application of installation in the utility model is comparatively extensive, for example, may be used on going into the well in robot, crawl device and fracturing sliding bush, realizes the accurate location of Centimeter Level.
Brief description of the drawings
To be described in more detail the present invention based on embodiment and with reference to accompanying drawing hereinafter.Wherein:
Fig. 1 is the general structure sectional view of the utility model underground work device.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1, it is the general structure sectional view of the utility model underground work device.As shown in the figure, described underground work device 100 comprises jacket casing housing 92, and described jacket casing housing 92 comprises upward-sliding piece 10 and lower saddle 50.Upward-sliding piece 10 is set in the end of lower saddle 50, and upward-sliding piece 10 and lower saddle 50 can relative sliding certain distances in sheathed position.
According to the utility model, described underground work device 100, also comprises the assembly 30 of going into the well being arranged in jacket casing housing 92.The described assembly 30 of going into the well is provided with RFID range unit (radio frequency identification range unit), and this RFID range unit comprises that RFID reads probe holder 60, RFID reads probe 70 and RFID range unit protective cover 91.
Wherein, the inner space that described RFID reads probe holder 60 and described RFID and reads probe 70 and be all arranged on described RFID range unit protective cover 91.Go into the well described in RFID range unit protective cover 91 the is set in end position of assembly 30, in order to protect described RFID range unit, avoids landwaste corrosion in tube set of shells 92, and then causes described RFID range unit accurately to locate.RFID reads the side end position that probe 70 is arranged on RFID and reads probe holder 60, reads probe 70 with the Aligning degree of annular groove 80 and reads the accuracy of probe 70 detection ring connected in star 80 positions in order to improve RFID in order to improve RFID.The described assembly 30 of going into the well is transferred to by lower well operations connecting rod 20 in the jacket casing housing 92 of down-hole, and the concrete scope of transferring is between upward-sliding piece 10 and lower saddle 50.
According to the utility model, be provided with at least one annular groove 80 at the inwall of described lower saddle 50, and be provided with a RFID label 90 in each annular groove 80.In underground work process, the RFID arranging on assembly 30 that goes into the well reads probe 70 by reading the RFID label 90 being arranged in annular groove 80, and then read the identification code in RFID label 90, determine the position of going into the well between assembly 30 and annular groove 80 by this identification code.Annular groove 80 in the present embodiment optimum is 3.If described annular groove 80 is 1, in the time that RFID range unit breaks down, even if its radio signals of launching have run into the RFID label 90 arranging in described annular groove 80.But described RFID range unit cannot receive the radio signals of return, thereby the relative position of going into the well between assembly 30 and described annular groove 80 cannot be judged, and then accurate location cannot be realized.And, if by annular groove setting more than 3, the intensity of described lower saddle 50 inwalls cannot ensure, therefore may cause difficulty to underground work, therefore annular groove 80 is set to 3.
Described annular groove 80 is accurately arranged in the inwall of described lower saddle 50.Be that spacing between annular groove 80 equates, and spacing range be 5cm to 20cm, to be convenient to the distance of going into the well between assembly 30 and described annular groove 80 described in mensuration more accurate for the object of design like this.
According to the utility model, the locate mode that described underground work device 100 adopts depends on that RFID reads probe 70 distance ranges that read RFID label 90 and whether reaches 0.1m.Due to RFID read probe 70 read ranges less, read precision higher.But because reading the orientation of probe 70 between upward-sliding piece 10 and lower saddle 50, RFID cannot determine, and for ensureing that RFID reads probe 70 and can transfer to smoothly in jacket casing housing 92, its size will be significantly less than the internal diameter of jacket casing housing 92, therefore RFID read probe 70 read range can not be too little, otherwise in the time that RFID reads probe 70 through RFID label 90, understand the identification code that cannot read in RFID label 90.
Show according to the test data of the RFID range unit in the utility model, its read range is 0.1m, by determining of the reading boundary up and down in annular groove 80, can improve the half of positioning precision to read range, be the half that the width of described annular groove 80 is made as the RFID that equals described RFID range unit and reads the diameter of probe 70, be 5cm.According to the utility model, the width of annular groove 80 can be made as 5cm to 20cm, and the degree of depth can be made as 0.5cm to 3cm.Realize thus the accurate location of go into the well assembly 30 and annular groove 80.
In the utility model, the range information of going into the well between assembly 30 and annular groove 80 of surveying can store in the Circuits System 40 of the assembly 30 of going into the well, identified by this Circuits System 40, then be delivered on ground by the data wire of lower well operations connecting rod 20 inside, and by the computer on ground or manually process.
According to the utility model, by judging the identification code in RFID label 90, can judge the position that RFID reads probe and annular groove 80, then by judging that the position of annular groove 80 in lower saddle 50 inwalls and RFID read probe 70 and read the position on probe holder 60 at RFID, and then judge the position of go into the well assembly 30 and annular groove 80.This method has realized registration, object simple to operate.Due to the sheathed RFID range unit protective cover 91 in the end at the assembly 30 of going into the well, thereby, even if the inside of jacket casing housing 92 exists landwaste and annular groove 80 is filled up, do not affect RFID yet and read probe 70 accurate location.And described underground work device 100 may be used on going into the well in robot, crawl device and fracturing sliding bush, realize the accurate location of Centimeter Level.
Although the utility model is described with reference to preferred embodiment, in the situation that not departing from scope of the present utility model, can carries out various improvement and can replace parts wherein with equivalent it.Especially, only otherwise have structural hazard, every technical characterictic of mentioning in each embodiment all can combine in any way.The utility model is not limited to disclosed specific embodiment in literary composition, but comprises all technical schemes in the scope that falls into claim.
Claims (11)
1. a underground work device, is characterized in that, it comprises:
Jacket casing housing, wall is provided with at least one annular groove therein;
The assembly of going into the well that is arranged on described jacket casing enclosure interior, is provided with RFID range unit thereon, in order to measure described annular groove and described in the distance of going into the well between assembly.
2. underground work device according to claim 1, is characterized in that, described jacket casing housing comprises upward-sliding piece and be set in the lower saddle of end of described upward-sliding piece, and wherein said annular groove is arranged on described lower saddle.
3. underground work device according to claim 2, is characterized in that, described lower saddle can move relative to described upward-sliding piece.
4. underground work device according to claim 1 and 2, is characterized in that, the width of described annular groove is made as the RFID that equals described RFID range unit and reads the half of the diameter of probe.
5. underground work device according to claim 4, is characterized in that, the width of described annular groove is made as 5cm to 20cm.
6. underground work device according to claim 4, is characterized in that, the inside of described annular groove is provided with the RFID label of a built-in identification code.
7. underground work device according to claim 1 and 2, is characterized in that, the degree of depth of described annular groove is made as 0.5cm to 3cm.
8. underground work device according to claim 1 and 2, is characterized in that, described RFID range unit comprises that RFID reads probe holder, RFID reads probe and RFID range unit protective cover;
Wherein, the inner space that described RFID reads probe holder and described RFID and reads probe and be all arranged on described RFID range unit protective cover;
Go into the well described in described RFID range unit protective cover the is set in end position of assembly.
9. underground work device according to claim 8, is characterized in that, described RFID reads probe and be arranged on described RFID and read the lateral location of probe holder, and described RFID reads go into the well described in the being arranged on end position of assembly of probe holder.
10. underground work device according to claim 1 and 2, is characterized in that, is provided with at least 3 annular grooves that are spaced apart from each other along the inwall of described jacket casing housing.
11. underground work devices according to claim 10, is characterized in that, the spacing of described annular groove equates, and spacing is made as 5cm to 20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229422.1U CN203978424U (en) | 2014-05-06 | 2014-05-06 | A kind of underground work device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229422.1U CN203978424U (en) | 2014-05-06 | 2014-05-06 | A kind of underground work device |
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| Publication Number | Publication Date |
|---|---|
| CN203978424U true CN203978424U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229422.1U Expired - Lifetime CN203978424U (en) | 2014-05-06 | 2014-05-06 | A kind of underground work device |
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| Country | Link |
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| CN (1) | CN203978424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111144155A (en) * | 2020-01-03 | 2020-05-12 | 徐海英 | Oil pipe and sucker rod identity identification tracking system |
| CN113775334A (en) * | 2021-10-11 | 2021-12-10 | 中国电建集团贵州电力设计研究院有限公司 | Automatic inclination measuring device and control method |
| CN114517660A (en) * | 2022-02-28 | 2022-05-20 | 哈尔滨艾拓普科技有限公司 | Full-bore infinite staged fracturing sliding sleeve based on intelligent label control and implementation method |
-
2014
- 2014-05-06 CN CN201420229422.1U patent/CN203978424U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111144155A (en) * | 2020-01-03 | 2020-05-12 | 徐海英 | Oil pipe and sucker rod identity identification tracking system |
| CN111144155B (en) * | 2020-01-03 | 2020-09-25 | 正弦科技有限公司 | Oil pipe and sucker rod identity identification tracking system |
| CN113775334A (en) * | 2021-10-11 | 2021-12-10 | 中国电建集团贵州电力设计研究院有限公司 | Automatic inclination measuring device and control method |
| CN113775334B (en) * | 2021-10-11 | 2024-04-02 | 中国电建集团贵州电力设计研究院有限公司 | Automatic inclinometer and control method |
| CN114517660A (en) * | 2022-02-28 | 2022-05-20 | 哈尔滨艾拓普科技有限公司 | Full-bore infinite staged fracturing sliding sleeve based on intelligent label control and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |