CN104832165A - Wellhead sound wave emission device - Google Patents
Wellhead sound wave emission device Download PDFInfo
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- CN104832165A CN104832165A CN201510227345.5A CN201510227345A CN104832165A CN 104832165 A CN104832165 A CN 104832165A CN 201510227345 A CN201510227345 A CN 201510227345A CN 104832165 A CN104832165 A CN 104832165A
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Abstract
The invention provides a wellhead sound wave emission device which is used for controlling downhole electric control equipment. The wellhead sound wave emission device comprises a sound wave generator and a wellhead tee joint, wherein an underwater sound transducer is arranged inside the wellhead tee joint. During use, control instructions are transmitted to the underwater sound transducer in the form of electrical signals by the sound wave generator, the electrical signals are converted into acoustic signals by the underwater sound transducer and are transferred to the downhole through an underwater acoustic channel, and the traditional cable instruction transmission is replaced with a wireless-signal-emission water-medium-transmission manner, so that the disadvantages of being complicated in process and high in cost, occupying wellbore space, being prone to well condition limitation and the like caused by cable laying are avoided; in addition, electromagnetic shock energy can be converted into low-frequency and high-power mechanical shock energy by the underwater sound transducer, so that the requirements of various complicated well conditions, such as deep wells, ultra-deep wells, large-displacement wells, horizontal wells and multi-branch wells, on information transmission can be met.
Description
Technical field:
The present invention relates to oil-drilling field, particularly relate to a kind of well head acoustic emission apparatus for control panel under control well.
Background technology:
At present, oil-gas field development power tool is changed to intellectuality by traditional Purely mechanical, fluid pressure type, the instrument such as downhole intelligent testing tool, intelligent packer, sliding sleeve downhole intelligent restriction choke, intelligent watering device of command control mode is adopted to arise at the historic moment, operator sends instruction by ground control terminal to downhole tool, realize the action of expection with complete operation, down hole tool system is made to have stronger controllability, convenient operating process.At present, it is the major way realizing downhole tool Based Intelligent Control by cable transmission instruction, but which exist always cable laying complex process, with high costs, take wellbore space and be subject to the shortcomings such as hole condition restriction, so be necessary to provide a kind of wireless signal transmission being exclusively used in control panel under control well, to substitute cable transmission instruction mode in the past.
Summary of the invention:
The object of this invention is to provide a kind of well head acoustic emission apparatus for control panel under control well, aqueous medium conduct acoustic waves signal can be utilized in down-hole, realize the wireless transmission of instruction, thus replace cable transmission instruction mode in the past.
Technical scheme of the present invention is as follows:
Described well head acoustic emission apparatus comprises: sonic generator and wellhead tee joint, and the structure of described wellhead tee joint comprises two parts: the horizontal branch pipeline of vertical pipeline and vertical pipeline side; The bottom of described vertical pipeline is connected with well head; Described horizontal branch pipeline, as liquid injecting tube road, can be connected, to described wellhead tee joint and pit shaft internal water flooding with water injection equipments such as hydraulic pumps; Vertical pipeline inside more than described horizontal branch pipeline is provided with underwater acoustic transducer, and described underwater acoustic transducer is connected with described sonic generator by audio transmission line; Before using described well head acoustic emission apparatus transmission signal, in pit shaft, be filled to liquid level by the horizontal branch pipeline of described wellhead tee joint and rise to described underwater acoustic transducer place formation underwater acoustic channel, by described sonic generator, ground control instruction is transferred to described underwater acoustic transducer in electrical signal form afterwards, underwater acoustic transducer converts electrical signals to acoustic signal again, is delivered to down-hole by underwater acoustic channel.
Further, described well head acoustic emission apparatus also comprises acoustic receiver, and described acoustic receiver is positioned at the pit shaft of below well head, in order to receive the acoustic signal that underwater acoustic channel transmits, and the acoustic signal received is converted into the signal of telecommunication.
Particularly, described wellhead tee joint from top to bottom respectively by urceolus, in urceolus, fixing in cylinder and urceolus threeway connect and compose, on described urceolus, in urceolus and fixing in cylinder constitute the middle and upper part (being namely positioned at the vertical pipeline part of more than described horizontal branch pipeline) of described wellhead tee joint vertical pipeline, the urceolus threeway of bottommost constitutes the bottom of described wellhead tee joint vertical pipeline and the horizontal branch pipe section on it.
Described underwater acoustic transducer entirety is arranged in urceolus and fixing cylinder, and comprise successively from top to bottom: gland central tube, piezoelectric ceramic piece group and sounding body, 3 parts are closely concatenated into an entirety by set bolt.Wherein, described gland central tube is vertically placed in in urceolus, and stretch into fixing middle cylinder bottom it, described piezoelectric ceramic piece group and sounding body are arranged in fixing cylinder; Described set bolt, through gland central tube and piezoelectric ceramic piece group, screws in the sounding body of bottom always; The outer surface thread of described gland central tube is connected with gland nut, and described gland nut is stuck in the fixing middle cylinder top stretched in urceolus, plays fixation to the integral position of above-mentioned 3 parts.
In order to the line short and the corrosion and damage that prevent liquid to cause described underwater acoustic transducer by urceolus infiltrates downwards, on described urceolus, inside is also provided with hub, and the bottom of described hub is fixed on top in urceolus and top in urceolus is completely closed; The audio transmission line of being drawn by described sonic generator is entered in two symmetrical vertical grooves of gland central tube surface by mesopore bottom hub, and continues to extend downward piezoelectric ceramic piece group along described groove, and is connected with piezoelectric ceramic piece group.
In order to ensure that underwater acoustic transducer has more high sensitivity and reliability in Signal transmissions, described piezoelectric ceramic piece group adopts piezoelectric ceramics annulus and foil to replace stacking forming, the polarised direction of adjacent two panels piezoelectric ceramics annulus is contrary, polarised direction through-thickness, described foil welds audio transmission line; Described piezoelectric ceramics annulus is made up of PZT piezoelectric ceramics, and foil is aluminum, and thickness is about 0.1mm.
Described piezoelectric ceramic piece group and gland central tube, piezoelectric ceramic piece group and sounding body, and glued together by epoxy resin between the piezoelectric ceramics annulus of piezoelectric ceramic piece group inside and foil.
In order to prevent liquid from upwards being infiltrated by the gap between the outer peripheral face of sounding body and fixing middle cylinder inwall, the outer peripheral face of described sounding body also can arrange sealing ring.
For the ease of the dismounting of described wellhead tee joint, on described urceolus, in urceolus, fixing in all adopt between cylinder and urceolus threeway and be threaded, simultaneously in order to ensure being connected firmly, closely, on described urceolus and in urceolus, in urceolus and fixing in thread joint face between cylinder fixed by holding screw.
In order to prevent the erosion of liquid in wellhead tee joint, the inwall of described urceolus threeway also protects lining with fluid erosion prevention, described fluid erosion prevention protects lining and is made up of ceramic materials.
Acoustic signal is delivered to down-hole by underwater acoustic channel by the underwater acoustic transducer in its wellhead tee joint by described well head acoustic emission apparatus, with wireless signal transmission aqueous medium transmission mode instead of cable transmission instruction in the past, avoid the complex process because cable laying causes, with high costs, take wellbore space and be subject to the shortcomings such as hole condition restriction.In addition, electromagnetic oscillation can be converted to low frequency, powerful machinery concussion energy by underwater acoustic transducer, can meet the information transmission under the Various Complex hole conditions such as deep-well, ultradeep well, extended reach well, horizontal well, multilateral well.
Accompanying drawing illustrates:
Fig. 1 is the composition structural representation of well head acoustic emission apparatus of the present invention;
Fig. 2 is the structural representation of wellhead tee joint in well head acoustic emission apparatus of the present invention;
Fig. 3 is the structural representation of underwater acoustic transducer in well head acoustic emission apparatus of the present invention;
Detailed description of the invention:
Embodiment 1
Below in conjunction with accompanying drawing, the present invention is specifically described.As shown in Figure 1, well head acoustic emission apparatus of the present invention comprises: sonic generator 1 and wellhead tee joint 2, and the structure of described wellhead tee joint 2 comprises two parts: the horizontal branch pipeline of vertical pipeline and vertical pipeline side; The bottom of described vertical pipeline is connected with well head 6; Described horizontal branch pipeline is connected with hydraulic pump 9 as liquid injecting tube road, to described wellhead tee joint 2 and pit shaft 7 internal water flooding; Vertical pipeline inside more than described horizontal branch pipeline is provided with underwater acoustic transducer 4, and described underwater acoustic transducer 4 is connected with described sonic generator 1 by audio transmission line 5.Before the described well head acoustic emission apparatus transmission signal of use, in pit shaft 7, be filled to liquid level by the horizontal branch pipeline of described wellhead tee joint 2 and rise to described underwater acoustic transducer 4 place formation underwater acoustic channel, by described sonic generator 1, ground control instruction is transferred to described underwater acoustic transducer 4 in electrical signal form afterwards, underwater acoustic transducer 4 converts electrical signals to acoustic signal again, is delivered to down-hole by underwater acoustic channel.
Embodiment 2
Embodiment 2 is substantially identical with the composition structure of embodiment 1, difference is that in embodiment 2, well head acoustic emission apparatus also comprises the acoustic receiver 3 (as shown in Figure 1) of down-hole, described acoustic receiver 3 is lowered in pit shaft 7 with oil pipe 8, is positioned at the controlled control panel degree of depth.Before the described well head acoustic emission apparatus transmission signal of use, in pit shaft 7, be filled to liquid level by the horizontal branch pipeline of described wellhead tee joint 2 and rise to described underwater acoustic transducer 4 place formation underwater acoustic channel, by described sonic generator 1, ground control instruction is transferred to described underwater acoustic transducer 4 in electrical signal form afterwards, underwater acoustic transducer 4 converts electrical signals to acoustic signal again, be delivered to the acoustic receiver 3 of down-hole by underwater acoustic channel, then by acoustic receiver 3, the acoustic signal received be converted to pending signal of telecommunication control instruction.
Particularly, as shown in Figure 2, wellhead tee joint 2 from top to bottom respectively by urceolus 21, in urceolus 22, fixing in cylinder 23 and urceolus threeway 24 connect and compose, wherein, on urceolus 21, in urceolus 22 and fixing in cylinder 23 constitute the middle and upper part (being namely positioned at the vertical pipeline part of more than described horizontal branch pipeline) of described vertical pipeline, the urceolus threeway 24 of bottommost constitutes the bottom of described vertical pipeline and the horizontal branch pipeline on it.
As shown in Figures 2 and 3, described underwater acoustic transducer 4 is arranged in urceolus 22 and fixing cylinder 23, comprises successively from top to bottom: gland central tube 41, piezoelectric ceramic piece group 42 and sounding body 43,3 parts are closely concatenated into an entirety by set bolt 44.Wherein, described gland central tube 41 to be vertically placed in urceolus in 22, stretch into bottom it fixing in cylinder 23, described piezoelectric ceramic piece group 42 and sounding body 43 are arranged in fixing cylinder 23; Described set bolt 44, through gland central tube 41 and piezoelectric ceramic piece group 42, screws in the sounding body 43 of bottom always; The outer surface thread of described gland central tube 41 is connected with gland nut 45, and described gland nut 45 is stuck in cylinder 23 top during to stretch in urceolus in 22 fixing, plays fixation to the integral position of above-mentioned 3 parts.
In order to prevent liquid by urceolus 21 infiltrates downwards and causes line short and the corrosion and damage of described underwater acoustic transducer 4, on described urceolus, 21 inside are also provided with hub 10, and the bottom of described hub 10 is fixed on 22 tops in urceolus and by completely closed for 22 tops in urceolus; The audio transmission line 5 of being drawn by described sonic generator 1 passes hub 10 and enters in two symmetrical vertical grooves of gland central tube 41 surface by mesopore bottom hub 10, and continue to extend downward piezoelectric ceramic piece group 42 along described groove, and be connected with piezoelectric ceramic piece group 42.
In order to ensure that underwater acoustic transducer 4 has more high sensitivity and reliability in Signal transmissions, described piezoelectric ceramic piece group 42 adopts piezoelectric ceramics annulus and foil to replace stacking forming, the polarised direction of adjacent two panels piezoelectric ceramics annulus is contrary, polarised direction through-thickness, foil welds audio transmission line 5; Described piezoelectric ceramics annulus is made up of PZT piezoelectric ceramics, and foil is aluminum, and thickness is about 0.1mm.
Piezoelectric ceramic piece group 42 and gland central tube 41, piezoelectric ceramic piece group 42 and sounding body 43, and glued together by epoxy resin between the piezoelectric ceramics annulus of piezoelectric ceramic piece group 42 inside and foil.
Preferably, described sounding body 43 is made up of titanium alloy.
In order to prevent liquid from upwards being infiltrated by the gap between the outer peripheral face of sounding body 43 and fixing middle cylinder 23 inwall, the outer peripheral face of described sounding body 43 is also provided with sealing ring 11.
For the ease of the dismounting of described wellhead tee joint, on described urceolus 21, in urceolus 22, fixing in all adopt between cylinder 23 and urceolus threeway 24 and be threaded, simultaneously in order to ensure being connected firmly, closely, on described urceolus 21 and urceolus in 22, in urceolus 22 and fixing in thread joint face between cylinder 23 fixed by holding screw 13.
In order to prevent the liquid erosion in wellhead tee joint 2, the inwall of described urceolus threeway 24 also protects lining 12 with fluid erosion prevention, and described fluid erosion prevention protects lining 12 and is made up of ceramic materials.
Above-mentioned detailed description of the invention is only for illustration of the present invention, and wherein the structure of each parts and connection to arrange etc. and can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. a well head acoustic emission apparatus, it is characterized in that comprising: sonic generator (1) and wellhead tee joint (2), the structure of described wellhead tee joint (2) comprising: the horizontal branch pipeline of vertical pipeline and vertical pipeline side; The bottom of described vertical pipeline is connected with well head (6); Vertical pipeline inside more than described horizontal branch pipeline is provided with underwater acoustic transducer (4), and described underwater acoustic transducer (4) is connected with sonic generator (1) by audio transmission line (5).
2. well head acoustic emission apparatus according to claim 1, is characterized in that: also comprise acoustic receiver (3), and described acoustic receiver (3) is positioned at well head (6) pit shaft below (7).
3. well head acoustic emission apparatus according to claim 1 and 2, is characterized in that: described wellhead tee joint (2) is connected and composed by (22), fixing middle cylinder (23) and urceolus threeway (24) in (21), urceolus on urceolus from top to bottom respectively.
4. well head acoustic emission apparatus according to claim 3, is characterized in that: on described urceolus, in (21), urceolus, (22), fixing middle all employing between cylinder (23) and urceolus threeway (24) are threaded; On described urceolus in (21) and urceolus in (22), urceolus (22) and fixing in thread joint face between cylinder (23) fixed by holding screw (13).
5. well head acoustic emission apparatus according to claim 3, it is characterized in that: described underwater acoustic transducer (4) is arranged in urceolus (22) and fixing cylinder (23), be followed successively by from top to bottom: gland central tube (41), piezoelectric ceramic piece group (42) and sounding body (43), 3 parts are closely concatenated into an entirety by set bolt (44); The outer surface thread of described gland central tube (41) is connected with gland nut (45), and gland nut (45) is stuck in fixing middle cylinder (23) top stretched in urceolus in (22).
6. well head acoustic emission apparatus according to claim 3, it is characterized in that: on described urceolus, (21) inside is also provided with hub (10), the bottom of hub (10) is fixed on (22) top in urceolus, by completely closed for (22) top in urceolus; The audio transmission line (5) of being drawn by described sonic generator (1) is entered in two symmetrical vertical grooves of gland central tube (41) surface by hub (10) bottom mesopore, and continues to extend downward piezoelectric ceramic piece group (42) along described groove.
7. well head acoustic emission apparatus according to claim 3, is characterized in that: the inwall of described urceolus threeway (24) also protects lining (12) with fluid erosion prevention, and described fluid erosion prevention protects lining (12) and is made up of ceramic materials.
8. well head acoustic emission apparatus according to claim 3, is characterized in that: the outer peripheral face of described sounding body (43) is provided with sealing ring (11).
9. well head acoustic emission apparatus according to claim 3, it is characterized in that: described piezoelectric ceramic piece group (42) adopts piezoelectric ceramics annulus and foil to replace stacking forming, the polarised direction of adjacent two panels piezoelectric ceramics annulus is contrary, polarised direction through-thickness.
10. well head acoustic emission apparatus according to claim 9, is characterized in that: described piezoelectric ceramics annulus is made up of PZT piezoelectric ceramics, and described foil is aluminum, and thickness is 0.1mm.
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|---|---|---|---|
| CN201510227345.5A CN104832165A (en) | 2015-05-06 | 2015-05-06 | Wellhead sound wave emission device |
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| CN201510227345.5A CN104832165A (en) | 2015-05-06 | 2015-05-06 | Wellhead sound wave emission device |
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| CN201510227345.5A Pending CN104832165A (en) | 2015-05-06 | 2015-05-06 | Wellhead sound wave emission device |
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| CN106051471A (en) * | 2016-07-14 | 2016-10-26 | 浙江树人大学 | Mobile robot in pipe and nondestructive detection device of mobile robot in pipe |
| CN106522926A (en) * | 2016-12-05 | 2017-03-22 | 广汉市思科信达科技有限公司 | Down-hole sound wave radiation detection system |
| CN106593365A (en) * | 2016-12-05 | 2017-04-26 | 广汉市思科信达科技有限公司 | Low-frequency sound wave oilfield processing system |
| CN106639945A (en) * | 2016-12-05 | 2017-05-10 | 广汉市思科信达科技有限公司 | Processing system of down-hole low frequency acoustic wave |
| CN106677765A (en) * | 2016-12-05 | 2017-05-17 | 广汉市思科信达科技有限公司 | Downhole sound radiation oil reservoir treatment system |
| CN106703788A (en) * | 2016-12-05 | 2017-05-24 | 广汉市思科信达科技有限公司 | Downhole low-frequency acoustic detection system |
| CN106703792A (en) * | 2016-12-05 | 2017-05-24 | 广汉市思科信达科技有限公司 | Adjustable low-frequency sound wave oil field treatment system |
| CN106761714A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground low-frequency acoustic detection processing system |
| CN106761605A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground low-frequency sound wave adjusts processing system |
| CN106761696A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground low-frequency sound wave oil formation treatment system |
| CN106761695A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground oil field localization process system |
| CN108180011A (en) * | 2017-12-26 | 2018-06-19 | 贵州航天凯山石油仪器有限公司 | A kind of double frequency sounding wellhead assembly |
| CN110185422A (en) * | 2019-05-23 | 2019-08-30 | 中国海洋石油集团有限公司 | A kind of novel cable-free type data double-way transmitting device of water injection well |
| CN111257887A (en) * | 2020-02-17 | 2020-06-09 | 自然资源部第一海洋研究所 | Underwater instrument attitude detection system and detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106051471A (en) * | 2016-07-14 | 2016-10-26 | 浙江树人大学 | Mobile robot in pipe and nondestructive detection device of mobile robot in pipe |
| CN106051471B (en) * | 2016-07-14 | 2018-12-04 | 浙江树人大学 | A kind of movable robot in pipe and its non-destructive testing device |
| CN106677765A (en) * | 2016-12-05 | 2017-05-17 | 广汉市思科信达科技有限公司 | Downhole sound radiation oil reservoir treatment system |
| CN106761696A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground low-frequency sound wave oil formation treatment system |
| CN106593365A (en) * | 2016-12-05 | 2017-04-26 | 广汉市思科信达科技有限公司 | Low-frequency sound wave oilfield processing system |
| CN106703788A (en) * | 2016-12-05 | 2017-05-24 | 广汉市思科信达科技有限公司 | Downhole low-frequency acoustic detection system |
| CN106703792A (en) * | 2016-12-05 | 2017-05-24 | 广汉市思科信达科技有限公司 | Adjustable low-frequency sound wave oil field treatment system |
| CN106761714A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground low-frequency acoustic detection processing system |
| CN106761605A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground low-frequency sound wave adjusts processing system |
| CN106639945A (en) * | 2016-12-05 | 2017-05-10 | 广汉市思科信达科技有限公司 | Processing system of down-hole low frequency acoustic wave |
| CN106761695A (en) * | 2016-12-05 | 2017-05-31 | 广汉市思科信达科技有限公司 | A kind of underground oil field localization process system |
| CN106522926A (en) * | 2016-12-05 | 2017-03-22 | 广汉市思科信达科技有限公司 | Down-hole sound wave radiation detection system |
| CN108180011A (en) * | 2017-12-26 | 2018-06-19 | 贵州航天凯山石油仪器有限公司 | A kind of double frequency sounding wellhead assembly |
| CN110185422A (en) * | 2019-05-23 | 2019-08-30 | 中国海洋石油集团有限公司 | A kind of novel cable-free type data double-way transmitting device of water injection well |
| CN110185422B (en) * | 2019-05-23 | 2022-04-22 | 中国海洋石油集团有限公司 | Novel cableless data bidirectional transmission device for water injection well |
| CN111257887A (en) * | 2020-02-17 | 2020-06-09 | 自然资源部第一海洋研究所 | Underwater instrument attitude detection system and detection method thereof |
| CN111257887B (en) * | 2020-02-17 | 2021-06-15 | 自然资源部第一海洋研究所 | Underwater instrument attitude detection system and detection method thereof |
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Application publication date: 20150812 |