CN102953700A - Putting and recovering extension cord device for electromagnetic wave measurement while drilling system - Google Patents
Putting and recovering extension cord device for electromagnetic wave measurement while drilling system Download PDFInfo
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- CN102953700A CN102953700A CN2012104363556A CN201210436355A CN102953700A CN 102953700 A CN102953700 A CN 102953700A CN 2012104363556 A CN2012104363556 A CN 2012104363556A CN 201210436355 A CN201210436355 A CN 201210436355A CN 102953700 A CN102953700 A CN 102953700A
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Abstract
The invention provides a putting and recovering extension cord device for an electromagnetic wave measurement while drilling system. The device comprises a spearing head and a spearing head sleeve, wherein the spearing head comprises a spearing head shell, an insulation sleeve, an arrow-shaped conductor core, a thread A and a sealing element; the thread A and the sealing element are used for connecting parts below the spearing head; and the spearing head sleeve comprises a cylindrical conductor core, a sleeve, an insulation barrel, a water-proof rubber gasket, a drain hole and a spring sheet. Compared with the prior art, the putting and recovering extension cord device for the electromagnetic wave measurement while drilling system has the advantages of simple structure, easiness in processing and low construction price, a fixed tray on a lead tail end can be conveniently, quickly and fixedly arranged on a drill column nearer a well mouth, the intensity of an accepted signal is enhanced, and the measurement depth can be effectively improved.
Description
Technical field
The present invention relates to a kind of electromagnetic wave while-drilling measuring system and throw in and reclaim elongation line device, belong to oil, probing field, ore deposit.
Background technology
The electromagnetic wave while-drilling measuring system does not come into one's own day by day because it is not subjected to the impact of property of drilling fluid.The transmitting terminal of electromagnetic wave while-drilling system is to pass insulating short section by the armored cable line at present, and be connected with upper drilling string by the lead terminal fixed tray, with the current loop of realization between upper drilling string, stratum and lower drilling string, and then the transmission of realization electromagnetic wave signal.Yet along with the increase of well depth, if improve the transmission degree of depth of signal, the drilling rod that the armored cable line will pass also increases thereupon, and trivial operations has also increased the weight of workman's manipulation strength simultaneously.
Summary of the invention
For solving problems of the prior art, the invention provides a kind of electromagnetic wave while-drilling measuring system and throw in the recovery elongation line device, this device can be thrown in the recovery extended line easily, with Effective Raise operating efficiency and the transmission of enhancing signal and receiving intensity, can be widely used in oil, ore deposit probing field.
Realize that the technical scheme that the object of the invention adopts is, a kind of electromagnetic wave while-drilling measuring system is thrown in and is reclaimed elongation line device and comprise at least and drag for spearhead and drag for the spearhead sleeve, dragging for spearhead comprises and drags for spearhead shell, insulation sleeve, arrow shape conductor cores, and be used for connecting screw thread A and the seal that drags for spearhead below component, dragging for spearhead shell center is through hole, and the top is taper; Described insulation sleeve center is through hole, is fixed on by screw thread and drags for the spearhead outer casing inner wall, and the arrow of the upper end of described arrow shape conductor cores partly hangs on the insulation sleeve, and the arrow shaft of arrow shape conductor cores partly is arranged in the through hole of insulation sleeve, and the arrow shaft lower end stretches out in outside the insulation sleeve; The described spearhead sleeve that drags for comprises axle shape conductor cores, sleeve, insulating cylinder, water proof rubber pad, drain hole and spring leaf, described conductor cores is the multidiameter shape, its butt end bottom has and the blind hole of dragging for spearhead end shape coupling, conductor cores is set with the insulating cylinder with its form fit outward, sleeve is hollow columnar, and an end is open nozzle; The taper end of conductor cores and exterior insulation cylinder thereof is passed the through hole at the cylinder end of sleeve, and the cylinder end inwall of sleeve is positioned on the shaft shoulder of insulating cylinder; The top of the taper end of conductor cores and exterior insulation cylinder thereof has and is positioned at the outer cable connecting hole of sleeve; Water proof rubber pad central through hole is close in the lower surface of conductor cores and insulating cylinder; The sleeve inside wall is fixed with spring leaf, opens in the drain hole of sleeve lateral wall to be positioned at spring leaf top and water proof rubber pad below.
The nozzle of described sleeve is the arc horn mouth.Be threaded connection between conductor cores and the insulating cylinder.Be threaded connection or adhere between insulating cylinder and the sleeve and be connected.
As shown from the above technical solution, electromagnetic wave while-drilling measuring system provided by the invention is thrown in and is reclaimed elongation line device, simple in structure, during use, current signal reaches axle shape conductor cores by the arrow shape conductor cores of dragging in the spearhead, then by the fixed tray of the cable that is cemented in axle shape conductor cores to lead terminal, electric current is realized the signal transmission by this paths in this device.The nozzle of sleeve adopts the camber line design to play the guide rail effect, drag for spearhead enter drag for the spearhead sleeve after, the barrel of sleeve plays main centralizing function; To be cable fixedly link to each other with the lead terminal fixed tray at this cable connecting hole again; Water proof rubber pad central through hole can prevent that drilling fluid from contacting with axle shape conductor cores, and play certain centralizing function; Described spring leaf is fixed on sleeve medial surface control and drags for the spearhead turnover and drag for the spearhead sleeve, and plays certain centralizing function; Described drain hole helps to drag for the discharge of drilling fluid in the spearhead sleeve; When dragging for the spearhead top when entering the water proof rubber pad, dragging under spearhead sleeve self gravitation and drilling fluid impact, the drilling fluid with in the blind hole of dragging for spearhead end shape coupling of axle shape conductor cores flows out, and also plays simultaneously cushioning effect.
Drag for the seal of spearhead by end and screw thread among the present invention and be connected device and connect.
The present invention compared with prior art has following beneficial effect:
1, apparatus structure of the present invention is simple, is easy to processing, and cost is lower.
2, apparatus of the present invention can conveniently be fixed on the lead terminal fixed tray on the drill string of more close well head, and the signal strength signal intensity of acceptance strengthens, but Effective Raise fathoms.
Description of drawings
Fig. 1 is that electromagnetic wave while-drilling measuring system of the present invention is thrown in dragging for spearhead and dragging for the schematic diagram that the spearhead sleeve places one of recovery elongation line device.
Fig. 2 is the spearhead that drags in the device of the present invention.
Fig. 3 drags for the spearhead sleeve in the device of the present invention.
Among the figure: 1-drags for the spearhead shell; The 2-insulation sleeve; 3-arrow shape conductor cores; The 4-seal; 5-screw thread A; 6-cable connecting hole; 7-axle shape conductor cores; The 8-sleeve; The 9-insulating cylinder; 10-water proof rubber pad; The 11-drain hole; The 12-spring leaf.
The specific embodiment
Electromagnetic wave while-drilling measuring system provided by the invention is thrown in and is reclaimed elongation line device and comprise and drag for spearhead and drag for spearhead sleeve (as shown in Figure 1), drags for spearhead during work and is arranged in and drags for the spearhead sleeve.As shown in Figure 2, dragging for spearhead comprises and drags for spearhead shell 1, insulation sleeve 2, arrow shape conductor cores 2, screw thread A5 and seal 4, described seal 4 and screw thread A5 are positioned at the bottom of dragging for spearhead shell 1, be used for connecting and drag for spearhead below component, dragging for spearhead shell 1 middle part is through hole, the top is taper, and the lower end links to each other with inserting tube by seal 4 and screw thread 5; But insulation sleeve 2 adopts the electrically insulating material of machining to make, and insulation sleeve 2 centers are through hole, and the mode of being threaded connection is fixed on drags for the spearhead outer casing inner wall; The arrow of the upper end of arrow shape conductor cores 3 partly hangs on the insulation sleeve 2, the arrow shaft of arrow shape conductor cores 3 partly is arranged in the through hole of insulation sleeve 2, be threaded connection mode or adhesion mode and be connected with insulation sleeve 2, the arrow shaft lower end stretches out in outside the insulation sleeve 2, is convenient to the line of inserting tube transmitting terminal.
As shown in Figure 2, drag for the spearhead sleeve by axle shape conductor cores 7, sleeve 8, insulating cylinder 9, water proof rubber pad 10, drain hole 11 and spring leaf 12 form, described sleeve 8 is hollow columnar, one end is open nozzle, nozzle is that the arc horn mouth is to play the guide rail effect, sleeve 8 top barrels are thicker in to increase own wt, and the sleeve wall both sides have two drain holes 11, drain hole 11 helps to drag for the discharge of drilling fluid in the spearhead sleeve, drain hole 11 is positioned at spring leaf 12 tops and water proof rubber pad 10 belows, spring leaf 12 is welded in sleeve lining, and the inwall of sleeve enters and plays main centralizing function after dragging for the spearhead sleeve dragging for spearhead; Described axle shape conductor cores 7 is the multidiameter shape, its butt end bottom has and the blind hole of dragging for spearhead end shape coupling, be set with the insulating cylinder 9 with its form fit outside the axle shape conductor cores 7, but insulating cylinder 9 adopts the electrically insulating material of machining to make, central through hole, be connected by engage thread with sleeve 8 inboards, the top of the taper end of axle shape conductor cores and exterior insulation cylinder thereof has and is positioned at the outer cable connecting hole 6 of sleeve, and cable links to each other with the lead terminal fixed tray after the cable connection hole is fixed again; Water proof rubber pad 10 places in the sleeve 8, is connected with sleeve 8 inwalls by glue, and central through hole is mainly used in preventing that drilling fluid from contacting with axle shape conductor cores 7, and plays certain centralizing function.When dragging for the spearhead top when entering water proof rubber pad 10, dragging under spearhead sleeve self gravitation and drilling fluid impact, the drilling fluid in the axle shape conductor cores blind hole flows out, so that arrow shape conductor cores top fully contacts with axle shape conductor cores, plays good electric action.
Claims (5)
1. an electromagnetic wave while-drilling measuring system is thrown in and is reclaimed elongation line device, it is characterized in that comprising at least and drag for spearhead and drag for the spearhead sleeve, dragging for spearhead comprises and drags for spearhead shell, insulation sleeve, arrow shape conductor cores, and be used for connecting screw thread A and the seal that drags for spearhead below component, dragging for spearhead shell center is through hole, and the top is taper; Described insulation sleeve center is through hole, is fixed on by screw thread and drags for the spearhead outer casing inner wall; The described spearhead sleeve that drags for comprises axle shape conductor cores, sleeve, insulating cylinder, water proof rubber pad, drain hole and spring leaf, described axle shape conductor cores is the multidiameter shape, its butt end bottom has and the blind hole of dragging for spearhead end shape coupling, axle shape conductor cores is set with the insulating cylinder with its form fit outward, sleeve is hollow columnar, and an end is open nozzle; The taper end of axle shape conductor cores and exterior insulation cylinder thereof is passed the through hole at the cylinder end of sleeve, and the cylinder end inwall of sleeve is positioned on the shaft shoulder of insulating cylinder; The top of the taper end of axle shape conductor cores and exterior insulation cylinder thereof has and is positioned at the outer cable connecting hole of sleeve; Water proof rubber pad central through hole is close in the lower surface of axle shape conductor cores and insulating cylinder; The sleeve inside wall is fixed with spring leaf, opens in the drain hole of sleeve lateral wall to be positioned at spring leaf top and water proof rubber pad below.
2. electromagnetic wave while-drilling measuring system according to claim 1 is thrown in and is reclaimed elongation line device, and it is characterized in that: the nozzle of sleeve is the arc horn mouth.
3. electromagnetic wave while-drilling measuring system according to claim 1 is thrown in and is reclaimed elongation line device, it is characterized in that: be threaded connection between axle shape conductor cores and the insulating cylinder.
4. electromagnetic wave while-drilling measuring system according to claim 1 is thrown in and is reclaimed elongation line device, it is characterized in that: be threaded connection or adhere between insulating cylinder and the sleeve and be connected.
5. electromagnetic wave while-drilling measuring system according to claim 1 is thrown in and is reclaimed elongation line device, and it is characterized in that: screw thread A and seal are positioned at the bottom of dragging for the spearhead shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210436355.6A CN102953700B (en) | 2012-11-05 | 2012-11-05 | A kind of electromagnetic measurement while drilling system is thrown in and is reclaimed elongation line device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210436355.6A CN102953700B (en) | 2012-11-05 | 2012-11-05 | A kind of electromagnetic measurement while drilling system is thrown in and is reclaimed elongation line device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953700A true CN102953700A (en) | 2013-03-06 |
| CN102953700B CN102953700B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210436355.6A Expired - Fee Related CN102953700B (en) | 2012-11-05 | 2012-11-05 | A kind of electromagnetic measurement while drilling system is thrown in and is reclaimed elongation line device |
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| Country | Link |
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| CN (1) | CN102953700B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594050A (en) * | 2020-04-26 | 2020-08-28 | 西安石油大学 | Casing while drilling system and method |
| CN114919001A (en) * | 2022-04-21 | 2022-08-19 | 深圳市金洲精工科技股份有限公司 | Automatic knife returning equipment and knife returning method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2690572Y (en) * | 2004-03-01 | 2005-04-06 | 辽河石油勘探局 | Core taking tool while drilling |
| CN2700555Y (en) * | 2004-01-05 | 2005-05-18 | 辽河石油勘探局 | Wet joint of measurement while drilling instrument |
| CN201661292U (en) * | 2010-03-01 | 2010-12-01 | 北京六合伟业科技有限公司 | Multi-work mode wireless drilling inclinometer |
| CN202273671U (en) * | 2011-10-27 | 2012-06-13 | 中国石油集团西部钻探工程有限公司 | Wireless with drilling composite multipoint instrument |
-
2012
- 2012-11-05 CN CN201210436355.6A patent/CN102953700B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2700555Y (en) * | 2004-01-05 | 2005-05-18 | 辽河石油勘探局 | Wet joint of measurement while drilling instrument |
| CN2690572Y (en) * | 2004-03-01 | 2005-04-06 | 辽河石油勘探局 | Core taking tool while drilling |
| CN201661292U (en) * | 2010-03-01 | 2010-12-01 | 北京六合伟业科技有限公司 | Multi-work mode wireless drilling inclinometer |
| CN202273671U (en) * | 2011-10-27 | 2012-06-13 | 中国石油集团西部钻探工程有限公司 | Wireless with drilling composite multipoint instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594050A (en) * | 2020-04-26 | 2020-08-28 | 西安石油大学 | Casing while drilling system and method |
| CN114919001A (en) * | 2022-04-21 | 2022-08-19 | 深圳市金洲精工科技股份有限公司 | Automatic knife returning equipment and knife returning method |
| CN114919001B (en) * | 2022-04-21 | 2024-04-26 | 深圳市金洲精工科技股份有限公司 | Automatic cutter returning equipment and cutter returning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102953700B (en) | 2015-09-16 |
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