CN101881155A - Wired measurement and transmission motor for measurement while-drilling instrument - Google Patents
Wired measurement and transmission motor for measurement while-drilling instrument Download PDFInfo
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- CN101881155A CN101881155A CN2010102284527A CN201010228452A CN101881155A CN 101881155 A CN101881155 A CN 101881155A CN 2010102284527 A CN2010102284527 A CN 2010102284527A CN 201010228452 A CN201010228452 A CN 201010228452A CN 101881155 A CN101881155 A CN 101881155A
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Abstract
The invention relates to a wired measurement and transmission motor for a measurement while-drilling instrument, which mainly solves the problems that a measurement parameter measuring point is far from a well bottom and high-quality communication is difficult to realize by adopting a wireless communication mode in the prior art. The wired measurement and transmission is characterized in that: a main measurement assembly I is arranged on a transmission shaft (1); a male slip ring (13) is placed in a short joint (16) of a male slip ring assembly; communicating axial holes are formed inside a shell D (8), a shell A (10), a stator tube shell (11), a shell B (12) and a step (14) of the male slip ring (13); the end faces of the shell D (8), the shell A (10), the stator tube shell (11), the shell B (12) and the step (14) of the male slip ring (13), corresponding to the axial holes, are provided with annular grooves (25); communication wires are placed in the axial holes; and conductive rings are placed in the annular grooves (25). The wired measurement and transmission motor has the characteristics of short distance between the measuring point and the well bottom and capability of realizing high-quality communication in a wired communication mode.
Description
Technical field:
The present invention relates to a kind of measurement and transmission motor that is used for oil drilling DHM-MWD instrument, particularly a kind of wired measurement and transmission motor that is used for measurement while-drilling instrument.
Background technology:
In the petroleum drilling technology, nearly drill bit measuring system is drilling technology, logging technique and reservoir engineering technological incorporation an one, measure and guarantee that with boring control device real drilling well eye passes reservoir and obtains the optimum position with near-bit geological, engineering parameter, have with boring identification oil-gas Layer, characteristics that guide function is strong, this system can realize the geosteering of real meaning, and measurement and transmission motor is a key equipment of this system.At present, in the nearly drill bit measuring system, nearly bit parameter is far away apart from bottom hole spacing; The high-quality transmission that nearly bit parameter data are crossed over measurement and transmission motor is difficult to realize.The main cause that this phenomenon occurs is that measurement and transmission motor exists following shortcoming: 1, the main housing of surveying is installed in the top that motor is bent point, causes measuring point far away apart from the shaft bottom; 2, wireless mode is adopted in the communication between nearly drill bit master control and the receiving system, and wireless mode is affected by environment bigger, is difficult to realize high-quality communication.
Summary of the invention:
The invention reside in and overcome the problem that the measurement parameter measuring point that exists in the background technology is far away apart from the shaft bottom, adopt wireless mode communication thereby very difficult realization high quality communication, and provide a kind of wired measurement and transmission motor that is used for measurement while-drilling instrument, the wired measurement and transmission motor that this is used for measurement while-drilling instrument, have the measurement parameter measuring point near apart from the shaft bottom, adopt wired mode communication thereby can realize the characteristics of high quality communication.
The present invention addresses the above problem and can reach by following technical solution: this wired measurement and transmission motor that is used for measurement while-drilling instrument comprises power transmission shaft, the main assembly I that surveys, power transmission shaft 1 connects driving-shaft assembly II from bottom to top successively, universal drive shaft assembly III, universal drive shaft assembly III top connects motor assembly IV successively, anti-lost assembly V, public slip ring assembly VI, the housing D upper end of described driving-shaft assembly II connects the housing A of universal drive shaft assembly, housing A upwards is connected to the stator tube housing of motor assembly IV, stator tube housing upper end connects the housing B of anti-lost assembly V, housing B connects the short circuit of public slip ring assembly VI, and the main assembly I that surveys is installed on the power transmission shaft of described driving-shaft assembly II bottom; The short circuit of public slip ring assembly is built-in with public slip ring, on the external cylindrical surface of public slip ring step is arranged, and described step is corresponding with the upper end of housing B; The described main assembly I that surveys comprises the quiet cover of bearing, the moving cover of bearing, housing C, the step top of power transmission shaft lower end is connected to the moving cover of bearing, housing C successively, the outer quiet cover of bearing that is equipped with of the moving cover of bearing, the moving cover of bearing external cylindrical surface cooperates with the quiet cover inner cylinder face of bearing, there is outer shoulder the quiet cover of bearing lower end, and the outer shoulder top of the quiet cover of bearing is threaded with the lower end of housing C; Described housing C outer peripheral face middle part symmetry has several step troughs, have the through hole that is communicated with adjacent step trough on the sidewall of described step trough, be equipped with and the corresponding buckle closure of step trough structure at the step trough place, buckle closure inner chamber middle part have with housing C outer peripheral face on the step trough corresponding groove, in the confined space that groove and step trough form is instrument room, the buckle closure two ends are fixed on the housing C, and the housing C external cylindrical surface between adjacent buckle closure partly has boss; Through hole is built-in with order wire, by the instrument in the order wire connection instrument room; Housing C upper end is connected with transmission shaft shell D; Be threaded successively between the housing B of the housing A of described housing D, universal drive shaft assembly, the stator tube housing of motor assembly IV, anti-lost assembly, the short circuit of public slip ring assembly VI, the inside of housing D, housing A, stator tube housing, housing B, public slip ring step all has the axial hole of perforation, the corresponding axial hole of the end face of housing D, housing A, stator tube housing, housing B and public slip ring step place has annular groove, axial hole is built-in with order wire, annular groove is built-in with conducting ring, and order wire is connected on the conducting ring; The end face of axial hole corresponding shell C in the housing D has annular groove A, near the annular groove A housing C end face part axially have with the step trough sidewall on through hole in the cable hole that is communicated with of one of them through hole, annular groove A is built-in with conducting ring A, the housing C external surface at corresponding annular groove A and cable hole place bores a radial hole, and radial hole communicates with annular groove A and cable hole.
The inside and outside both sides of described conducting ring are equipped with sealing ring; Between described buckle closure and housing C, be equipped with sealing ring between housing B and public slip ring assembly VI; Fix by trip bolt and snap ring between described buckle closure and housing C; Described step trough and corresponding buckle closure have 4.
Described the present invention compares with the above-mentioned background technology can have following beneficial effect: this is used for the wired measurement and transmission motor of measurement while-drilling instrument, main survey assembly is positioned at the below of motor assembly, each measurement subsystem has realized close-in measurement in the instrument room, the measurement parameter measuring point apart from bottom hole spacing all less than 1m; Each pipe nipple housing wall cabling of measurement and transmission motor has been realized the wire transmission between nearly drill bit master control and the receiving system, is not subjected to the influence of external environment condition, has realized high quality communication between nearly drill bit master control and the receiving system.
Description of drawings:
Fig. 1 is structural representation of the present invention (a is an epimere among the figure, and b is a hypomere);
Fig. 2 is the housing C-structure enlarged diagram of connection buckle closure shown in Figure 1;
Fig. 3 is the sectional view of Fig. 2 along the A-A line;
Fig. 4 is the sectional view of Fig. 3 along the B-B line;
Fig. 5 is the sectional view of Fig. 4 along the C-C line;
Fig. 6 is anti-lost assembly shown in Figure 1 and public slip ring assembly structure enlarged diagram;
Fig. 7 is the structure enlarged diagram at i place among Fig. 6.
Among the figure: 1-power transmission shaft, the quiet cover of 2-bearing, the moving cover of 3-bearing, 4-housing C, 5-buckle closure, 6-instrument room, the 7-conducting ring, 8-housing D, 9-order wire, 10-housing A, 11-stator tube housing, 12-housing B, the public slip ring of 13-, 14-step, 15-axial hole, the 16-short circuit, 17-cable hole, 18-through hole, 19-annular groove A, 20-conducting ring A, 21-snap ring, the 22-radial hole, 23-boss, 24-step trough, the 25-annular groove, I-master surveys assembly, the II-driving-shaft assembly, III-universal drive shaft assembly, IV-motor assembly, the anti-lost assembly of V-, the public slip ring assembly of VI-.
The specific embodiment:
The invention will be further described below in conjunction with embodiment:
Fig. 1 is in conjunction with Fig. 2, shown in Figure 6, this is used for the wired measurement and transmission motor of measurement while-drilling instrument, comprise power transmission shaft 1, the main assembly I that surveys, power transmission shaft 1 connects driving-shaft assembly II from bottom to top successively, universal drive shaft assembly III, universal drive shaft assembly III top connects motor assembly IV successively, anti-lost assembly V, public slip ring assembly VI, the housing D8 upper end of described driving-shaft assembly II connects the housing A10 of universal drive shaft assembly, housing A10 upwards is connected to the stator tube housing 11 of motor assembly IV, stator tube housing 11 upper ends connect the housing B12 of anti-lost assembly V, and housing B12 connects the short circuit 16 of public slip ring assembly VI.The main assembly I that surveys is installed on the power transmission shaft 1 of described driving-shaft assembly II bottom; The short circuit 16 of public slip ring assembly is built-in with public slip ring 13, and step 14 is arranged on the external cylindrical surface of public slip ring 13, and described step 14 is corresponding with the upper end of housing B12; The described main assembly I that surveys comprises the quiet cover 2 of bearing, the moving cover 3 of bearing, housing C4, the step top of power transmission shaft 1 lower end is connected to the moving cover 3 of bearing, housing C4 successively, the moving cover 3 outer quiet covers 2 of bearing that are equipped with of bearing, the moving cover of bearing 3 external cylindrical surfaces cooperate with quiet cover 2 inner cylinder faces of bearing, there is outer shoulder the quiet cover of bearing 2 lower ends, and the quiet cover of bearing 2 outer shoulder tops are threaded with the lower end of housing C4; As Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, described housing C4 outer peripheral face middle part symmetry has 4 step troughs 24, have the through hole 18 that is communicated with adjacent step trough on the sidewall of described step trough 24, step trough 24 place's correspondences are equipped with and the corresponding buckle closure 5 of step trough structure, described buckle closure 5 and step trough 24 have 4 respectively, buckle closure 5 inner chambers middle parts have with housing C4 outer peripheral face on step trough 24 corresponding groove, in the confined space that groove and step trough 24 form is instrument room 6, buckle closure 5 two ends are fixed on the housing C4 by bolt and the card above the bolt bad 21, the effect of card bad 21 is to prevent that bolt looseness from coming off, the housing C4 external cylindrical surface that 4 buckle closures are 5 partly has boss 23, boss 23 plays spiral shell and holds up effect, set upright drill bit, protection buckle closure 5; Through hole 18 is built-in with order wire, by be connected in parallel subsystem in 4 instrument rooms 6 of order wire; Housing C4 upper end is connected with transmission shaft shell D8; Described housing D8, the housing A10 of universal drive shaft assembly, the stator tube housing 11 of motor assembly IV, the housing B12 of anti-lost assembly, 16 of the short circuits of public slip ring assembly VI are threaded successively, housing D8, housing A10, stator tube housing 11, housing B12, the inside of public slip ring 13 steps 14 all has the axial hole 15 of perforation, housing D8, housing A10, stator tube housing 11, the corresponding axial hole of the end face of housing B 12 and public slip ring 13 steps 14 15 places have annular groove 25, as shown in Figure 7, annular groove 25 is built-in with conducting ring 7, axial hole 15 is built-in with order wire 9, and order wire is connected on the prap of conducting ring; The end face of axial hole 15 corresponding shell C4 in the housing D8 has annular groove A19, near the annular groove A19 housing C4 end face part axially have with the step trough sidewall on through hole 18 in the cable hole 17 that is communicated with of one of them through hole, annular groove A19 is built-in with the conducting ring 7 contacted conducting ring A20 that are connected with order wire one end in the axial hole 15, the housing C4 external surface at corresponding annular groove A19 and cable hole 17 places bores a radial hole 22, and radial hole 22 communicates with annular groove A19 and cable hole 17; The place of interconnecting all is equipped with the order wire that conducting ring 7 connects in the axial hole between housing D8, housing A10, housing B12, the public slip ring 13, order wire is welded on the prap of conducting ring, the inside and outside both sides of described conducting ring are equipped with sealing ring, the sealing ring effect is to prevent leakage, guarantee the high insulation resistance of circuit, obtain high quality communication; Between described buckle closure 5 and housing C4, be equipped with sealing ring between housing B12 and public slip ring assembly VI, the sealing ring effect is to prevent to leak the high communication quality.The order wire that comes out in the step upper end of public slip ring connects the measurement while-drilling instrument on top by distributor track.
During assembling, at first in the axial hole of the stator tube housing 11 of driving-shaft assembly II housing D8, universal drive shaft assembly shell A10, motor assembly IV, anti-lost assembly V housing B12, public slip ring 13 steps 14, connect order wire, penetrate order wire and stretch out from axial hole one side from the opposite side of axial hole, the order wire two ends are welded on the prap of conducting ring, the conducting ring that welds order wire is installed in the annular groove; Penetrating order wire in the main radial hole of surveying on the assembly shell C4 22 enters the through hole 18 on the step trough sidewall by cable hole 17, in each instrument room, connect tester by 4 through hole threading, taking out order wire by housing C4 end face annular groove A19 is connected on the conducting ring A20, then conducting ring A20 is installed in the annular groove A19, after main survey housing has been adorned line, radial hole 22 glue sealing prevents leakage; After each several part has been adorned line, carry out the assembling of measurement and transmission motor, install sealing ring, every company well detains together, all will measure with megger, and it is qualified to guarantee.
Claims (5)
1. wired measurement and transmission motor that is used for measurement while-drilling instrument, comprise power transmission shaft (1), the main assembly I that surveys, power transmission shaft (1) connects driving-shaft assembly II from bottom to top successively, universal drive shaft assembly III, universal drive shaft assembly III top connects motor assembly IV successively, anti-lost assembly V, public slip ring assembly VI, housing D (8) upper end of described driving-shaft assembly II connects the housing A (10) of universal drive shaft assembly, housing A (10) upwards is connected to the stator tube housing (11) of motor assembly IV, stator tube housing (11) upper end connects the housing B (12) of anti-lost assembly V, housing B (12) connects the short circuit (16) of public slip ring assembly VI, it is characterized in that: the power transmission shaft (1) of described driving-shaft assembly II bottom is gone up the main assembly I that surveys is installed; The short circuit (16) of public slip ring assembly is built-in with public slip ring (13), and step (14) is arranged on the external cylindrical surface of public slip ring (13), and described step (14) is corresponding with the upper end of housing B (12); The described main assembly I that surveys comprises the quiet cover of bearing (2), the moving cover of bearing (3), housing C (4), the step top of power transmission shaft (1) lower end is connected to the moving cover of bearing (3), housing C (4) successively, the outer quiet cover of bearing (2) that is equipped with of the moving cover of bearing (3), the moving cover of bearing (3) external cylindrical surface cooperates with the quiet cover of bearing (2) inner cylinder face, there is outer shoulder the quiet cover of bearing (2) lower end, and the outer shoulder of the quiet cover of bearing (2) top is threaded with the lower end of housing C (4); Described housing C (4) outer peripheral face middle part symmetry has several step troughs (24), have the through hole (18) that is communicated with adjacent step trough (24) on the sidewall of described step trough (24), step trough (24) is located to be equipped with and the corresponding buckle closure of step trough (24) structure (5), buckle closure (5) inner chamber middle part have with housing C (4) outer peripheral face on step trough (24) corresponding groove, in the confined space that groove and step trough form is instrument room (6), buckle closure (5) two ends are fixed on the housing C (4), and housing C (4) external cylindrical surface between adjacent buckle closure (5) partly has boss (23); Through hole (18) is built-in with order wire, connects the interior subsystem of instrument room (6) by order wire; Housing C (4) upper end is connected with transmission shaft shell D (8); Described housing D (8), the housing A (10) of universal drive shaft assembly, the stator tube housing (11) of motor assembly IV, the housing B (12) of anti-lost assembly V, be threaded successively between the short circuit (16) of public slip ring assembly VI, housing D (8), housing A (10), stator tube housing (11), the inside of housing B (12) and public slip ring (13) step (14) all has the axial hole (15) of perforation, housing D (8), housing A (10), stator tube housing (11), the corresponding axial hole of the end face of housing B (12) and public slip ring (13) step (14) place has annular groove (25), axial hole (15) is built-in with order wire (9), annular groove (25) is built-in with conducting ring (7), and order wire is connected on the conducting ring (7); The end face of axial hole (15) corresponding shell C (4) in the housing D (8) has annular groove A (19), near the annular groove A (19) housing C (4) end face part axially have with the step trough sidewall on through hole (18) in the cable hole (17) that is communicated with of one of them through hole, annular groove A (19) is built-in with conducting ring A (20), housing C (4) external surface that corresponding annular groove A (19) and cable hole (17) are located bores a radial hole (22), and radial hole (22) communicates with annular groove A (19) and cable hole (17).
2. a kind of being used for according to claim 1 is characterized in that with the wired measurement and transmission motor that bores measuring appratus: the inside and outside both sides of described conducting ring (7) and conducting ring A (20) are equipped with sealing ring.
3. a kind of wired measurement and transmission motor that is used for measurement while-drilling instrument according to claim 1 and 2 is characterized in that: between described buckle closure (5) and housing C (4), be equipped with sealing ring between housing B (12) and public slip ring assembly VI.
4. a kind of wired measurement and transmission motor that is used for measurement while-drilling instrument according to claim 1 and 2 is characterized in that: fixing by trip bolt and snap ring (21) between described buckle closure (5) and housing C (4).
5. a kind of wired measurement and transmission motor that is used for measurement while-drilling instrument according to claim 1 and 2 is characterized in that: described step trough (24) and corresponding buckle closure (5) have 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102284527A CN101881155B (en) | 2010-07-16 | 2010-07-16 | Wired measurement and transmission motor for measurement while-drilling instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102284527A CN101881155B (en) | 2010-07-16 | 2010-07-16 | Wired measurement and transmission motor for measurement while-drilling instrument |
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| Publication Number | Publication Date |
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| CN101881155A true CN101881155A (en) | 2010-11-10 |
| CN101881155B CN101881155B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102284527A Active CN101881155B (en) | 2010-07-16 | 2010-07-16 | Wired measurement and transmission motor for measurement while-drilling instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168553A (en) * | 2011-04-13 | 2011-08-31 | 余慧君 | High-speed measurement-while-drilling communication system |
| CN102400678A (en) * | 2011-12-01 | 2012-04-04 | 中天启明石油技术有限公司 | Data acquisition and transmission device for near-bit measuring instrument |
| WO2018018712A1 (en) * | 2016-07-26 | 2018-02-01 | 奥瑞拓能源科技股份有限公司 | Near-bit measurement while drilling system |
| CN112523679A (en) * | 2020-11-30 | 2021-03-19 | 中国石油天然气集团有限公司 | Wire passing transmission shaft assembly and wire passing method |
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| US20070221417A1 (en) * | 2006-03-23 | 2007-09-27 | Hall David R | Jack Element in Communication with an Electric Motor and or Generator |
| CN201047254Y (en) * | 2007-05-31 | 2008-04-16 | 辽河石油勘探局 | Novel screw drilling tool |
| CN101463709A (en) * | 2009-01-08 | 2009-06-24 | 西南石油大学 | Torsional impact drilling tool |
| CN201347721Y (en) * | 2009-02-06 | 2009-11-18 | 中国石油天然气集团公司 | Flexible shaft passing through measuring chamber |
| CN201526278U (en) * | 2009-09-22 | 2010-07-14 | 山东陆海石油装备有限公司 | Low-speed large-torque screw drill tool |
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2010
- 2010-07-16 CN CN2010102284527A patent/CN101881155B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070221417A1 (en) * | 2006-03-23 | 2007-09-27 | Hall David R | Jack Element in Communication with an Electric Motor and or Generator |
| CN201047254Y (en) * | 2007-05-31 | 2008-04-16 | 辽河石油勘探局 | Novel screw drilling tool |
| CN101463709A (en) * | 2009-01-08 | 2009-06-24 | 西南石油大学 | Torsional impact drilling tool |
| CN201347721Y (en) * | 2009-02-06 | 2009-11-18 | 中国石油天然气集团公司 | Flexible shaft passing through measuring chamber |
| CN201526278U (en) * | 2009-09-22 | 2010-07-14 | 山东陆海石油装备有限公司 | Low-speed large-torque screw drill tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168553A (en) * | 2011-04-13 | 2011-08-31 | 余慧君 | High-speed measurement-while-drilling communication system |
| CN102400678A (en) * | 2011-12-01 | 2012-04-04 | 中天启明石油技术有限公司 | Data acquisition and transmission device for near-bit measuring instrument |
| WO2018018712A1 (en) * | 2016-07-26 | 2018-02-01 | 奥瑞拓能源科技股份有限公司 | Near-bit measurement while drilling system |
| US10465497B2 (en) | 2016-07-26 | 2019-11-05 | Orient Energy & Technologies Co., Ltd. | Near-bit measurement while drilling system |
| CN112523679A (en) * | 2020-11-30 | 2021-03-19 | 中国石油天然气集团有限公司 | Wire passing transmission shaft assembly and wire passing method |
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| Publication number | Publication date |
|---|---|
| CN101881155B (en) | 2013-04-24 |
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Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Street No. 263 Patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Street No. 263 Patentee before: DA QING PETROLEUM ADMINISTRATION BUREAU |
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Effective date of registration: 20220107 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Street No. 263 Patentee before: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. |