CN101876245A - Shell of electromagnetic wave resistivity instrument - Google Patents
Shell of electromagnetic wave resistivity instrument Download PDFInfo
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- CN101876245A CN101876245A CN2010102284550A CN201010228455A CN101876245A CN 101876245 A CN101876245 A CN 101876245A CN 2010102284550 A CN2010102284550 A CN 2010102284550A CN 201010228455 A CN201010228455 A CN 201010228455A CN 101876245 A CN101876245 A CN 101876245A
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Abstract
本发明涉及一种电磁波电阻率仪器的壳体。该电磁波电阻率仪器的壳体结构包括短节体(1)，短节体(1)外壁有槽，槽内固定有与槽的形状相吻合的扣盖本体(2)，扣盖本体(2)的外壁间隔有天线槽(10)，天线槽(10)的上开口处安装有天线肋骨(5)，天线槽(10)的下开口处安装有垫片(7)，垫片(7)上开有走线孔(6)，相邻两个天线槽(10)之间的扣盖本体(2)内壁有安装槽(11)。本发明克服了马达机械和物理空间的限制，在有限的空间内设计了电磁波电阻率仪器的壳体结构，实现了以精度高、适用面宽的电磁波方式测量近钻头电阻率。
The invention relates to a casing of an electromagnetic wave resistivity instrument. The shell structure of the electromagnetic wave resistivity instrument includes a short joint body (1), the outer wall of the short joint body (1) has a groove, and a buckle cover body (2) matching the shape of the groove is fixed in the groove, and the buckle cover body (2) ) is spaced with antenna grooves (10), the upper opening of the antenna groove (10) is equipped with antenna ribs (5), and the lower opening of the antenna groove (10) is equipped with gaskets (7), gaskets (7) A wiring hole (6) is provided on the top, and an installation slot (11) is provided on the inner wall of the cover body (2) between two adjacent antenna slots (10). The invention overcomes the limitations of the motor machinery and physical space, designs the shell structure of the electromagnetic wave resistivity instrument in the limited space, and realizes the measurement of the near-drill resistivity in the electromagnetic wave mode with high precision and wide application area.
Description
Technical field:
The invention belongs to the housing of oil drilling downhole testing instrument class, particularly a kind of electromagnetic wave resistivity instrument.
Background technology:
Measurement-while-drilling system LWD disposes electromagnetic wave resistivity instrument usually at present, and it can measure the resistivity geologic parameter on stratum, carries out hole trajectory control in view of the above.With boring electromagnetic resistivity is the primary difficult problem that LWD logs well, and realizes the measurement of electromagnetic resistivity near drill bit, owing to be subjected to the restriction of motor machinery and physical space, the structure design of its housing is extremely difficult especially.Measurement-while-drilling system adopts electric pole type to carry out the measurement of nearly drill bit resistivity usually both at home and abroad, and it is compared with the electromagnetic wave mode, and precision is low, applicable surface is narrow (can't measure in oil-base mud).
Summary of the invention:
In order to solve the problem that exists in the background technology, the invention provides a kind of housing of electromagnetic wave resistivity instrument, the present invention has overcome the restriction of motor machinery and physical space, in limited space, designed the shell structure of electromagnetic wave resistivity instrument, realized measuring nearly drill bit resistivity in the electromagnetic wave mode of precision height, suitable face width.
The technical solution adopted in the present invention is: the shell structure of this electromagnetic wave resistivity instrument comprises the pipe nipple body, the external wall of pipe nipple has groove, be fixed with the buckle closure body that the shape with groove matches in the groove, be separated with the antenna groove between the outer wall of buckle closure body, upper shed place of it wire casing is equipped with the antenna rib, the lower opening of it wire casing is equipped with pad, has cable hole on the pad, and the buckle closure inner body wall between adjacent two sky wire casings has mounting groove.
The beneficial effect that the present invention had is: the present invention adopts buckle closure formula structure, installs, convenient disassembly, has realized the execute-in-place of resistivity instrument; Housing seal is reliable, and resistance to compression reaches 35MPa; In limited space, realized the installation of the whole components and parts of resistivity instrument, and after the components and parts installation, it is little that electromagnetic wave signal receives interference; Realized the directionality measurement of resistivity; Overall construction intensity, resistance to shock height satisfy the abominable operating mode in down-hole.
Description of drawings:
Fig. 1 is a structural representation of the present invention
Fig. 2 is the upward view of buckle closure body among Fig. 1;
Fig. 3 is the front view of buckle closure body among Fig. 1;
Fig. 4 is the vertical view of buckle closure body among Fig. 1.
Among the figure: 1-pipe nipple body, 2-buckle closure body, 3-snap ring, 4-trip bolt, 5-antenna rib, 6-cable hole, 7-pad, 8-demounting tool screwed hole, 9-sealing ring, 10-days wire casing, 11-mounting groove.
The specific embodiment:
The present invention is further described below in conjunction with accompanying drawing: as shown in accompanying drawing 1, the housing of this electromagnetic wave resistivity instrument comprises pipe nipple body 1, pipe nipple body 1 outer wall has groove, be fixed with the buckle closure body 2 that matches with groove shape all around in the groove, be separated with antenna groove 10 between the outer wall of buckle closure body 2, upper shed place of it wire casing 10 is equipped with antenna rib 5, and day wire casing 10 both sides inwalls leave boss, and boss and two ends are that the antenna rib 5 of spill cooperates; The lower opening of it wire casing 10 is equipped with pad 7, and the 5 following sky wire casing 10 interior installations of antenna rib are launched, reception antennas, and the glue sealing is used in antenna installation back, uses pad 7 supports after the sealing; Have cable hole 6 on the pad 7, the circuit of antenna is drawn from the cable hole 6 on the pad 7; Buckle closure body 2 inwalls between adjacent two sky wire casings 10 have mounting groove 11, and mounting groove 11 forms big components and parts installing space with the wall groove of pipe nipple body 1, is separately installed with battery and circuit board in the mounting groove 11.The antenna that cable hole 6 from pad 7 is drawn is connected with circuit board.Buckle closure body 2 installed inside grooves 11 cooperate with the outer wall groove milling of pipe nipple body, form big components and parts installing space, and installing space is offset to the pipe nipple axis, and the measurement of resistivity has directionality.As shown from the above technical solution: resistivity instrument is placed on the wall of pipe nipple body 1, is not subjected to the restriction of motor machinery and physical space, and it is little that electromagnetic wave signal receives interference, improved measuring accuracy.
In order to reach better sealing effectiveness, the edge is circumferentially with sealing ring 9 between pipe nipple body 1 and the buckle closure body 2.
In order to prevent that buckle closure body 2 breaks away from pipe nipple body 1, pipe nipple body 1 adopts trip bolt 4 and snap ring 3 double fixed with buckle closure body 2.For install, convenient disassembly, buckle closure body 2 is provided with demounting tool screwed hole 8.
Claims (6)
1. the housing of an electromagnetic wave resistivity instrument, comprise pipe nipple body (1), it is characterized in that: pipe nipple body (1) outer wall has groove, be fixed with in the groove with groove around the buckle closure body (2) that matches of shape, be separated with antenna groove (10) between the outer wall of buckle closure body (2), upper shed place of it wire casing (10) is equipped with antenna rib (5), the lower opening of it wire casing (10) is equipped with pad (7), have cable hole (6) on the pad (7), buckle closure body (2) inwall between adjacent two sky wire casings (10) has mounting groove (11).
2. the housing of electromagnetic wave resistivity instrument according to claim 1, it is characterized in that: buckle closure body (2) installed inside groove (11) cooperates with the outer wall groove milling of pipe nipple body (1), form big components and parts installing space, installing space is offset to the pipe nipple axis, and the measurement of resistivity has directionality.
3. the housing of electromagnetic wave resistivity instrument according to claim 2, it is characterized in that: antenna rib (5) two ends are spill, be connected with the boss of wire casing (10) both sides, sky on the buckle closure body (2), gapped between antenna rib (5) and sky wire casing (10) wall.
4. the housing of electromagnetic wave resistivity instrument according to claim 3 is characterized in that: pipe nipple body (1) and buckle closure body (2) are by trip bolt (4) and snap ring (3) double fixed.
5. the housing of electromagnetic wave resistivity instrument according to claim 4, it is characterized in that: buckle closure body (2) is provided with demounting tool screwed hole (8).
6. the housing of electromagnetic wave resistivity instrument according to claim 5 is characterized in that: housing adopts buckle closure formula structure, and circumferencial direction is provided with sealing ring (9) between pipe nipple body (1) and the buckle closure body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102284550A CN101876245B (en) | 2010-07-16 | 2010-07-16 | Shell of electromagnetic wave resistivity instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102284550A CN101876245B (en) | 2010-07-16 | 2010-07-16 | Shell of electromagnetic wave resistivity instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101876245A true CN101876245A (en) | 2010-11-03 |
| CN101876245B CN101876245B (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102284550A Active CN101876245B (en) | 2010-07-16 | 2010-07-16 | Shell of electromagnetic wave resistivity instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN101876245B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966348A (en) * | 2011-08-30 | 2013-03-13 | 王�忠 | Device and method for measurement while drilling of direction resistivity by using non-full circle antennas |
| CN102996122A (en) * | 2012-11-27 | 2013-03-27 | 北京华航无线电测量研究所 | Electronic cabin with axial and peripheral adjustable resistivity |
| CN104405378A (en) * | 2014-12-12 | 2015-03-11 | 中国石油天然气集团公司 | Electromagnetic wave resistivity logging-while-drilling tool |
| CN104594884A (en) * | 2014-12-12 | 2015-05-06 | 中国石油天然气集团公司 | Direction imaging electromagnetic wave electrical resistivity logging-while-drilling instrument with well pressure |
| CN107313771A (en) * | 2017-07-07 | 2017-11-03 | 贝兹维仪器(苏州)有限公司 | A kind of nearly bit measuring instrument with resistivity measurement function |
| CN110265784A (en) * | 2018-03-12 | 2019-09-20 | 中国石油化工股份有限公司 | With the antenna equipment for boring instrument |
Citations (5)
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| CN1682129A (en) * | 2002-07-16 | 2005-10-12 | 通用电气公司 | Well logging tool and method for determining resistivity |
| US20080265892A1 (en) * | 2007-04-27 | 2008-10-30 | Snyder Harold L | Externally Guided and Directed Field Induction Resistivity Tool |
| CN101482013A (en) * | 2009-02-23 | 2009-07-15 | 中国石化集团胜利石油管理局钻井工艺研究院 | While-drilling borehole compensation electromagnetic wave resistivity survey apparatus |
| CN201334906Y (en) * | 2008-11-27 | 2009-10-28 | 山东胜利伟业石油工程技术服务有限公司 | Three-phase compensation resistivity logging instrument |
| CN201747352U (en) * | 2010-07-16 | 2011-02-16 | 大庆石油管理局 | Shell of electromagnetic wave resistivity apparatus |
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2010
- 2010-07-16 CN CN2010102284550A patent/CN101876245B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1682129A (en) * | 2002-07-16 | 2005-10-12 | 通用电气公司 | Well logging tool and method for determining resistivity |
| US20080265892A1 (en) * | 2007-04-27 | 2008-10-30 | Snyder Harold L | Externally Guided and Directed Field Induction Resistivity Tool |
| CN201334906Y (en) * | 2008-11-27 | 2009-10-28 | 山东胜利伟业石油工程技术服务有限公司 | Three-phase compensation resistivity logging instrument |
| CN101482013A (en) * | 2009-02-23 | 2009-07-15 | 中国石化集团胜利石油管理局钻井工艺研究院 | While-drilling borehole compensation electromagnetic wave resistivity survey apparatus |
| CN201747352U (en) * | 2010-07-16 | 2011-02-16 | 大庆石油管理局 | Shell of electromagnetic wave resistivity apparatus |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966348A (en) * | 2011-08-30 | 2013-03-13 | 王�忠 | Device and method for measurement while drilling of direction resistivity by using non-full circle antennas |
| CN102996122A (en) * | 2012-11-27 | 2013-03-27 | 北京华航无线电测量研究所 | Electronic cabin with axial and peripheral adjustable resistivity |
| CN102996122B (en) * | 2012-11-27 | 2015-12-23 | 北京华航无线电测量研究所 | One has axially circumferential adjustable resistor rate electronic compartment |
| CN104405378A (en) * | 2014-12-12 | 2015-03-11 | 中国石油天然气集团公司 | Electromagnetic wave resistivity logging-while-drilling tool |
| CN104594884A (en) * | 2014-12-12 | 2015-05-06 | 中国石油天然气集团公司 | Direction imaging electromagnetic wave electrical resistivity logging-while-drilling instrument with well pressure |
| CN104405378B (en) * | 2014-12-12 | 2017-01-25 | 中国石油天然气集团公司 | Electromagnetic wave resistivity logging-while-drilling tool |
| CN104594884B (en) * | 2014-12-12 | 2017-03-08 | 中国石油天然气集团公司 | A kind of orientation imaging electromagnetic ripple resistivity logging while drilling apparatus with borehole pressure |
| CN107313771A (en) * | 2017-07-07 | 2017-11-03 | 贝兹维仪器(苏州)有限公司 | A kind of nearly bit measuring instrument with resistivity measurement function |
| CN107313771B (en) * | 2017-07-07 | 2023-09-26 | 贝兹维仪器(苏州)有限公司 | Near-bit measuring instrument with resistivity measuring function |
| CN110265784A (en) * | 2018-03-12 | 2019-09-20 | 中国石油化工股份有限公司 | With the antenna equipment for boring instrument |
| CN110265784B (en) * | 2018-03-12 | 2021-02-26 | 中国石油化工股份有限公司 | Antenna device of drilling instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101876245B (en) | 2013-04-24 |
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| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address |
Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 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: 20220112 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 Plains Road No. 99 Patentee before: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20250217 Address after: No. 12 Aiguo Road, Ranghu Road District, Daqing City, Heilongjiang Province, China 163453 Patentee after: Daqing Drilling Engineering Co.,Ltd. Country or region after: China Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee before: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Country or region before: China Patentee before: CHINA NATIONAL PETROLEUM Corp. |