CN204457755U - Test cable and test string - Google Patents
Test cable and test string Download PDFInfo
- Publication number
- CN204457755U CN204457755U CN201420780173.5U CN201420780173U CN204457755U CN 204457755 U CN204457755 U CN 204457755U CN 201420780173 U CN201420780173 U CN 201420780173U CN 204457755 U CN204457755 U CN 204457755U
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- Prior art keywords
- test cable
- cable
- test
- capillary tube
- described test
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 258
- 238000000034 method Methods 0.000 description 12
- 238000002788 crimping Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 1
- 230000001195 anabolic effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model provides a kind of test cable and test string.This test cable wrap is drawn together: test cable capillary tube, and test cable capillary tube has the receiving opening running through test cable capillary tube vertically; Test cable core, test cable core is arranged in the receiving opening of test cable capillary tube, and the first end of test cable core is between the first end and the second end of test cable capillary tube of test cable capillary tube, and between the first end of the first end of test cable core and test cable capillary tube, there is the first axial distance; Connecting line, connecting line is stretched in test cable capillary tube by the first end testing cable capillary tube, and connects in succession with test cable capillary pressure.This test cable load ability is better.
Description
Technical field
The utility model relates to oilfield test apparatus field, in particular to one test cable and test string.
Background technology
In the process of SAGD horizontal well test, need to use test string to test temperature and pressure situation under Horizontal Well, as shown in Figure 1, the carrier of test string is the coiled tubing 2 of a long 500m-800m internal diameter 26.2mm, include 3-4 root test cable 1, as shown in Figures 2 to 4, after making in test string process the steel wire 3 connecting test cable 1 needing to use diameter 2.4mm, the frictional force overcoming about 2kN is drawn to coiled tubing 2 inside, so far the making of test string is completed, the carrier capillary tube 1b external diameter of test cable 1 is 6.35mm, cable core 1a is arranged in capillary tube 1b, because caliber is narrow and small, capillary tube clamp cannot be used to connect, conventional art adopts the mode of welding to connect.Test cable 1 is welded on welding block 4, and is pulled by steel wire 3.The test string welded seal head 5 assembled.
Utility model content
The utility model aims to provide a kind of test cable and test string, to solve the low problem of test string supporting capacity of the prior art.
To achieve these goals, according to an aspect of the present utility model, provide a kind of test cable, this test cable wrap is drawn together: test cable capillary tube, and test cable capillary tube has the receiving opening running through test cable capillary tube vertically; Test cable core, test cable core is arranged in the receiving opening of test cable capillary tube, and the first end of test cable core is between the first end and the second end of test cable capillary tube of test cable capillary tube, and between the first end of the first end of test cable core and test cable capillary tube, there is the first axial distance; Connecting line, connecting line is stretched in test cable capillary tube by the first end testing cable capillary tube, and connects in succession with test cable capillary pressure.
Further, the tube wall of test cable capillary tube is provided with cable core handle hole, cable core handle hole extends along the radial direction of test cable capillary tube, and the tube wall running through test cable capillary tube is communicated with receiving opening, the test cable core between the first end of cable core handle hole and test cable capillary tube can be taken out by cable core handle hole.
Further, the diameter of cable core handle hole is 2mm.
Further, the first axial distance tested between the first end of cable core and the first end of test cable capillary tube is 20cm.
According to another aspect of the present utility model, provide a kind of test string, test string comprises: coiled tubing, and coiled tubing has the cable installing hole running through coiled tubing vertically; Test cable, test cable is arranged in cable installing hole, and test cable is above-mentioned test cable.
Further, test string comprises many group test cable groups, and each test cable group comprises the two test cables be arranged in parallel, and the two ends of connecting line are stretched in the test cable capillary tube of test cable correspondingly.
Further, connecting line is short capillary, and the diameter of short capillary is 3.5mm.
Further, test string comprises at least one single test cable group, and single test cable group comprises a test cable, and the two ends of connecting line are all stretched in test cable capillary tube.
Further, the connecting line of the test cable of single test cable group is the wire rope of diameter 2mm.
Application the technical solution of the utility model, test cable wrap draws together test cable capillary tube, test cable core and connecting line.Wherein, test cable capillary tube and there is the receiving opening running through test cable capillary tube vertically.Test cable capillary tube is for holding test cable core.Test cable core is arranged in the receiving opening of test cable capillary tube, and the first end of test cable core is between the first end and the second end of test cable capillary tube of test cable capillary tube, and between the first end of the first end of test cable core and test cable capillary tube, there is the first axial distance.The first axial distance between the first end of test cable core and the first end of test cable capillary tube may be used for holding connecting line.Connecting line is stretched in test cable capillary tube by the first end testing cable capillary tube, and connects in succession with test cable capillary pressure.Connected by connecting line, adopt the mode of crimping to connect, improve the ability of bearing pulling force of test cable thus.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the sectional structure schematic diagram of test string of the prior art;
Fig. 2 shows the sectional structure schematic diagram of test cable of the prior art;
Fig. 3 shows the structural representation of the anabolic process of test string of the prior art;
Fig. 4 shows the structural representation after test string of the prior art combination;
Fig. 5 shows the structural representation of the pending test cable of embodiment of the present utility model;
Fig. 6 shows the structural representation of the test cable of the taking-up partial test cable core of embodiment of the present utility model;
The connecting line that Fig. 7 shows embodiment of the present utility model stretches into the structural representation tested in cable capillary tube;
The connecting line that Fig. 8 shows embodiment of the present utility model crimps the rear structural representation loaded in coiled tubing with test cable capillary tube;
The connecting line that Fig. 9 shows another embodiment of the present utility model stretches into the structural representation tested in cable capillary tube; And
Figure 10 test cable shown in Fig. 9 loads the structural representation in coiled tubing.
Description of reference numerals:
10, cable is tested; 11, cable capillary tube is tested;
111, receiving opening; 112, cable core handle hole;
12, cable core is tested; 13, connecting line;
14, part is taken out; 20, coiled tubing;
21, cable installing hole; 30, dress wire rope is dragged.
Detailed description of the invention
Hereinafter also describe the utility model in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Fig. 5 to 10, according to embodiment of the present utility model, test cable wrap draws together test cable capillary tube 11, test cable core 12 and connecting line 13.
Wherein, test cable capillary tube 11 and there is the receiving opening 111 running through test cable capillary tube 11 vertically.Test cable capillary tube 11 is for holding test cable core 12.Test cable core 12 is arranged in the receiving opening 111 of test cable capillary tube 11, and the first end of test cable core 12 is between the first end and the second end of test cable capillary tube 11 of test cable capillary tube 11, and between the first end of the first end of test cable core 12 and test cable capillary tube 11, there is the first axial distance.The first axial distance between the first end of test cable core 12 and the first end of test cable capillary tube 11 may be used for holding connecting line 13.Connecting line 13 is stretched in test cable capillary tube 11 by the first end of test cable capillary tube 11, and crimps with test cable capillary tube 11 and be connected.Connected by connecting line 13, adopt the mode of crimping to connect, improve the ability of bearing pulling force of test cable thus.
In the present embodiment, in order to process the test cable between the first end of test cable core 12 and the first end of test cable capillary tube 11 with the first axial distance easily, the tube wall of test cable capillary tube 11 is provided with cable core handle hole 112, cable core handle hole 112 extends along the radial direction of test cable capillary tube 11, and the tube wall running through test cable capillary tube 11 is communicated with receiving opening 111, the test cable core 12 between the first end of cable core handle hole 112 and test cable capillary tube 11 can be taken out by cable core handle hole 112.
Preferably, the diameter of cable core handle hole 112 is 2mm.The diameter of cable core handle hole 112 can take out the diameter of test cable core 12 according to different need and select, and guarantees to take out test cable core 12 smoothly.
In the present embodiment, the first axial distance tested between the first end of cable core 12 and the first end of test cable capillary tube 11 is 20cm.
According to another aspect of the present utility model, test string comprises coiled tubing 20 and test cable 10.
Wherein, coiled tubing 20 has the cable installing hole 21 running through coiled tubing 20 vertically.Coiled tubing 20 is for holding test cable 10.
Test cable 10 is arranged in cable installing hole 21, and test cable 10 is above-mentioned test cable 10.The test cable 10 of this test string have employed above-mentioned test cable, the better effects if of its bearing capacity, and intensity is higher, and durability is better.
Preferably, test string comprises many group test cable groups, and each test cable group comprises the two test cables 10 be arranged in parallel, and the two ends of connecting line 13 are stretched in the test cable capillary tube 11 of test cable 10 correspondingly.The quantity of the test cable 10 in test string can be selected according to actual user demand.
Connecting line 13 is short capillary, and the diameter of short capillary is 3.5mm.
If the quantity of the test cable 10 in test string is even number, then connects two test cables 10 by a connecting line 13, be so more convenient to processing, and more save material, effectively can reduce cost of production, avoid waste.
Test string comprises at least one single test cable group, and single test cable group comprises a test cable 10, and the two ends of connecting line 13 are all stretched in test cable capillary tube 11.
The connecting line 13 of the test cable of single test cable group is the wire rope of diameter 2mm.If be provided with odd number test cable 10 in test string, so the two ends of a connecting line 13 all can be stretched in the test cable capillary tube 11 of test cable 10, realize thus connecting.In order to guarantee to be stretched into by connecting line 13 easily in test cable capillary tube 11, the diameter of connecting line 13 should be smaller.
According to another aspect of the present utility model, provide a kind of test string manufacture method, test string manufacture method is for the manufacture of above-mentioned test string, and test string manufacture method comprises:
Drill process, test cable capillary tube 11 bores the hole of the radial direction extension along test cable capillary tube 11, to form cable core handle hole 112;
Get cable step, from cable core handle hole 112 by cable core handle hole 112 to test cable capillary tube 11 first end between test cable core 12 block, and to take out cutting the test cable core, taking out part 14 to be formed;
Connecting line filling step, one end of connecting line 13 is stretched in the receiving opening 111 of test cable capillary tube 11 from the first end of a wherein test cable capillary tube 11, and crimp, the other end of connecting line 13 is stretched in the receiving opening 111 of test cable capillary tube 11 from the first end of another root test cable capillary tube 11, and crimp, or the two ends of connecting line 13 are all stretched into from the first end of test cable capillary tube 11 in the receiving opening 111 of test cable capillary tube 11, and crimp;
Drag dress step, dress wire rope 30 will be dragged around on connecting line 13, and the test cable 10 on connecting line 13 is pulled in the cable installing hole 21 of coiled tubing 20, and form test string.
The ability of the test string bearing capacity manufactured by the method is better, more durable.
In the present embodiment, the diameter needing the test cable capillary tube 11 pulling test cable 10 is Φ 6.35, the cable core handle hole 112 of drill diameter 2mm on test cable capillary tube 11, to extract close beta cable core 11 out, the part of extracting out is formed takes out part 14, makes test cable capillary tube 11 front end leave the blank pipe section of 20cm.
If need pull the test cable 10 of even numbers, then the test cable capillary tube 11 two of the short capillary of a Φ 3.5mm being inserted respectively Φ 6.35 is inner, and carries out the crimping in more than 4 roads in junction, and crimping can adapt to hydraulic crimping machine.Then enter in coiled tubing 20 with the two test cables 10 dragging dress wire rope 30 to pull making complete around ring of Φ 2.4mm.
If the test cable 10 of odd number need be pulled, need the wire rope inserting a Φ 2mm at test cable capillary tube 11 internal loopback, then carry out the crimping in more than 4 roads in junction, carry out afterwards dragging dress.
In test string manufacture process, two kinds of connecting lines 13 can use (be applicable to 3 and test cable) with the connected mode of test cable capillary tube 11 simultaneously, also one wherein (being applicable to 1-2 root test cable) can only be used, if test cable quantity, then can according to choice for use more than 4.
From above description, can find out, the utility model the above embodiments achieve following technique effect: by test string manufacture method of the present utility model, by test cable capillary tube grafting crimping connected mode, the test string after connection can make junction bear high strength tension in narrow and small coiled tubing.
In manufacturing process, test cable is removed the cable core of 20cm.Connecting line is inserted respectively 2 test cables (or 1 test cable is inserted at two ends), use hydraulic tongs crimping to produce deformation.Use steel wire to be wound around looper in junction to connect.
High strength tension can be born after adopting the structure of this large pipe box tubule, multiple tracks to crimp distortion.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. test a cable, it is characterized in that, comprising:
Test cable capillary tube (11), described test cable capillary tube (11) has the receiving opening (111) running through described test cable capillary tube (11) vertically;
Test cable core (12), described test cable core (12) is arranged in the described receiving opening (111) of described test cable capillary tube (11), and the first end of described test cable core (12) is positioned between the first end of described test cable capillary tube (11) and the second end of described test cable capillary tube (11), and between the first end of the first end of described test cable core (12) and described test cable capillary tube (11), there is the first axial distance;
Connecting line (13), described connecting line (13) is stretched in described test cable capillary tube (11) by the first end of described test cable capillary tube (11), and crimps with described test cable capillary tube (11) and be connected.
2. test cable according to claim 1, it is characterized in that, the tube wall of described test cable capillary tube (11) is provided with cable core handle hole (112), described cable core handle hole (112) extends along the radial direction of described test cable capillary tube (11), and the tube wall running through described test cable capillary tube (11) is communicated with described receiving opening (111), the test cable core (12) between the first end of described cable core handle hole (112) and described test cable capillary tube (11) can be taken out by described cable core handle hole (112).
3. test cable according to claim 2, is characterized in that, the diameter of described cable core handle hole (112) is 2mm.
4. test cable according to claim 1, is characterized in that, the first axial distance between the first end of described test cable core (12) and the first end of described test cable capillary tube (11) is 20cm.
5. a test string, is characterized in that, described test string comprises:
Coiled tubing (20), described coiled tubing (20) has the cable installing hole (21) running through described coiled tubing (20) vertically;
Test cable (10), described test cable (10) is arranged in described cable installing hole (21), the test cable (10) of described test cable (10) according to any one of Claims 1-4.
6. test string according to claim 5, it is characterized in that, described test string comprises many group test cable groups, each described test cable group comprises the two described test cables (10) be arranged in parallel, and the two ends of described connecting line (13) are stretched in the described test cable capillary tube (11) of described test cable (10) correspondingly.
7. test string according to claim 6, is characterized in that, described connecting line (13) is short capillary, and the diameter of described short capillary is 3.5mm.
8. the test string according to claim 5 or 6, it is characterized in that, described test string comprises at least one single test cable group, described single test cable group comprises a described test cable (10), and the two ends of described connecting line (13) are all stretched in described test cable capillary tube (11).
9. test string according to claim 8, is characterized in that, the wire rope that the connecting line (13) of the described test cable of described single test cable group is diameter 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780173.5U CN204457755U (en) | 2014-12-10 | 2014-12-10 | Test cable and test string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780173.5U CN204457755U (en) | 2014-12-10 | 2014-12-10 | Test cable and test string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457755U true CN204457755U (en) | 2015-07-08 |
Family
ID=53664657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420780173.5U Expired - Fee Related CN204457755U (en) | 2014-12-10 | 2014-12-10 | Test cable and test string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204457755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735974A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Test cable and test pipe column |
| CN107524417A (en) * | 2016-06-22 | 2017-12-29 | 中国石油天然气股份有限公司 | Cable clamp instrument, column assemblies and tubing string restorative procedure |
-
2014
- 2014-12-10 CN CN201420780173.5U patent/CN204457755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735974A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Test cable and test pipe column |
| CN107524417A (en) * | 2016-06-22 | 2017-12-29 | 中国石油天然气股份有限公司 | Cable clamp instrument, column assemblies and tubing string restorative procedure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |