CN104196473B - Controlled pressure drilling private filter - Google Patents
Controlled pressure drilling private filter Download PDFInfo
- Publication number
- CN104196473B CN104196473B CN201410395919.5A CN201410395919A CN104196473B CN 104196473 B CN104196473 B CN 104196473B CN 201410395919 A CN201410395919 A CN 201410395919A CN 104196473 B CN104196473 B CN 104196473B
- Authority
- CN
- China
- Prior art keywords
- filter
- screen plate
- upper cover
- filter cavity
- bearing pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- External Artificial Organs (AREA)
Abstract
The present invention relates to a kind of controlled pressure drilling private filter.Mainly solve controlled pressure drilling filter present in prior art easily to block runner and cause well head to build the pressure the unsafe problem of use.It is characterized in that: described body is the main latus rectum of body of level and latus rectum main with body becomes the filter cavity of 30 ° of angles to form；Inserting screen plate in described filter chamber body, screen plate latus rectum main with body becomes 30 ° of angles；It is inserted with screen plate handle in the through hole of screen plate upper end；Filter cavity top cover has upper cover, upper cover bottom draw-in groove to block screen plate upper end；Upper cover top is opened, and groove interpolation puts cancelling axle, and bearing pin two ends are inserted through filter cavity upper end 2 through holes radially；Described filter cavity lower end is vertically connected to downward lower port.This controlled pressure drilling private filter, filter has bigger filtration yield, and runner is not easy blocked.
Description
Technical field
The present invention relates to a kind of filter in petroleum drilling technology field, particularly a kind of controlled pressure drilling private filter.
Background technology
The commonly used method installing filter on self-choke manifold of current controlled pressure drilling both domestic and external, filter cylinder is laid in the space i.e. utilized on self-choke manifold in four-way.The landwaste that this filter once mounting can filter is few, needs frequently to change cartridge filter, and workload is the biggest；Return out bulky grain landwaste many in the case of will block runner in the shortest time, cause well head to build the pressure, threaten drilling safety.
Summary of the invention
The technical problem to be solved is to overcome existing controlled pressure drilling filter present in background technology easily to block runner to cause well head to build the pressure the unsafe problem of use, and a kind of controlled pressure drilling private filter is provided, this controlled pressure drilling private filter, filter has bigger filtration yield, runner is not easy blocked, easy and simple to handle, it is ensured that safety in production.
The present invention solves its problem and can reach by following technical solution: this controlled pressure drilling private filter, and including body, described body is the main latus rectum of body of level and latus rectum main with body becomes the filter cavity of 30 ° of angles to form；Inserting screen plate in described filter chamber body, screen plate latus rectum main with body becomes 30 ° of angles；Filter cavity upper end radially has symmetrical 2 through holes, and 2 through hole correspondences of filter cavity upper end, screen plate upper end has through hole, is inserted with screen plate handle in through hole；Filter cavity top cover has upper cover, upper cover bottom to have draw-in groove, and draw-in groove blocks screen plate upper end；Upper cover top has groove, and groove interpolation puts cancelling axle, and bearing pin two ends are inserted through filter cavity upper end 2 through holes radially；Upper cover bearing pin one is terminated with upper cover bearing pin screw；Upper cover handle is fixed on by upper cover handle screw and covers by upper cover；Described filter cavity lower end is vertically connected to downward lower port, described lower port radially has symmetrical 2 through holes, and described lower port is placed with lower cover, and lower cover bottom has groove, groove interpolation puts down cancelling axle, and lower cover bearing pin is inserted through filter cavity lower port 2 through holes radially；Lower cover bearing pin one is terminated with bearing pin screw；Lower cover handle is fixed on down and covers by lower cover handle screw.
The present invention can have the advantages that compared with above-mentioned background technology this controlled pressure drilling private filter owing to using said structure, screen plate is inserted directly into internal, loads by screen plate handle is convenient and takes out；Screen plate becomes 30 ° of angles with the main through hole of body, it is simple to the silt filtered out flows downward out；The filtering holes of screen plate is consistent with through hole direction, reduces flow resistance；Screen plate is maintained at operating position by groove and screen plate wiper block on end cap；Filter chamber is relatively big, adds the amount once filtering landwaste, thus reduces chip removal number of times；End cap loads by handle is convenient and takes out up and down；Seal filter cavity equipped with twice O on end cap, seal reliable；End cap is fixed on operating position, bearing pin easy installation and removal by bearing pin, has saved and has changed filter plate and the time of cleaning landwaste；Bottom is provided with sand discharge hole, large aperture, it is simple to remove sand.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the detonation configuration schematic diagram of the present invention.
In figure: 1-upper cover handle screw, 2-upper cover handle, 3-upper cover bearing pin screw, 4-upper cover bearing pin, 5-upper cover, 6-upper cover O, 7-screen plate handle, 8-screen plate, 9-body, 10-lower cover O, 11-lower cover, 12-lower cover bearing pin, 13-lower cover bearing pin screw, 14-lower cover handle, 15-lower cover handle screw, 16-plug, 17-filter cavity.
Detailed description of the invention:
The invention will be further described below in conjunction with the accompanying drawings:
As accompanying drawing 1 combines shown in Fig. 2, this controlled pressure drilling private filter includes that the main latus rectum of body that body 9, body 9 are level and latus rectum main with body become the filter cavity 17 of 30 ° of angles；Described filter cavity 17 is inserted into screen plate 8, and screen plate 8 latus rectum main with body becomes 30 ° of angles, it is simple to the silt filtered out flows downward out, and the filtering holes of screen plate latus rectum main with the body of level through hole direction is consistent, to reduce flow resistance；Filter cavity 17 upper end radially has symmetrical 2 through holes, 2 through hole correspondences of filter cavity 17 upper end, and screen plate 8 upper end has through hole, is inserted with screen plate handle 7 in through hole, and screen plate handle is convenient to be loaded and takes out screen plate；Upper cover 5 is stamped at filter cavity 17 top, and upper cover 5 bottom has draw-in groove, and draw-in groove blocks screen plate 8 upper end；Upper cover 5 top has groove, and groove interpolation puts cancelling axle 4, and bearing pin 4 two ends are inserted through filter cavity 17 upper end 2 through holes radially, and upper cover 5 is locked in operating position, and avoids it to rotate by upper cover bearing pin 4；Upper cover bearing pin 4 one is terminated with upper cover bearing pin screw 3, and upper cover bearing pin screw 3 avoids upper cover bearing pin 4 to come off；Upper cover handle 2 is fixed on upper cover 5 by upper cover 5 by upper cover handle screw 1, is equipped with upper cover O 6 between filter cavity 17 and upper cover 5；Described filter cavity 17 lower end is vertically connected to downward lower port, described lower port radially has symmetrical 2 through holes, described lower port is placed with lower cover 11, lower cover 11 bottom has groove, groove interpolation puts down cancelling axle 12, lower cover bearing pin 12 is inserted through filter cavity 17 lower port 2 through holes radially, and lower cover is locked in operating position, and avoids it to rotate by lower cover bearing pin；Lower cover bearing pin 12 1 is terminated with bearing pin screw 13, and cancelling axle screw 13 avoids lower cover bearing pin 12 to come off；Being equipped with lower cover O 10 between lower cover 11 and filter cavity 17 lower port, lower cover handle 14 is fixed on lower cover 11 by lower cover handle screw 15, the convenient operation to lower cover 11 of lower cover handle 14；；Described filter cavity 17 lower port side has through hole, is connected to plug 16 in through hole, and plug 16, for withstanding lower cover 11 chamber pressure is excessive, when extracting lower cover bearing pin 12 difficulty, can carry out pressure release to chamber.
Described screen plate is inserted directly into internal, loads by screen plate handle is convenient and takes out；Screen plate becomes 30 ° of angles with the main through hole of body, it is simple to the silt filtered out flows downward out, thus reduces filtering holes by the risk of debris blockage；The filtering holes of screen plate is consistent with through hole direction, reduces flow resistance；Screen plate is maintained at operating position by groove and screen plate wiper block on end cap；Filter chamber is relatively big, adds the amount once filtering landwaste, thus reduces chip removal number of times；End cap loads by handle is convenient and takes out up and down；Seal filter cavity equipped with twice O on end cap, seal reliable；End cap is fixed on operating position, bearing pin easy installation and removal by bearing pin, has saved and has changed filter plate and the time of cleaning landwaste；Bottom is provided with sand discharge hole, large aperture, it is simple to remove sand.
Claims (4)
1. a controlled pressure drilling private filter, including body (9), it is characterised in that: described body (9) is the main latus rectum of body of level and latus rectum main with body becomes the filter cavity (17) of 30 ° of angles to form；Described filter cavity (17) is inserted into screen plate (8), and screen plate (8) latus rectum main with body becomes 30 ° of angles；Filter cavity (17) upper end radially has symmetrical 2 through holes, and 2 through hole correspondences of filter cavity (17) upper end, screen plate (8) upper end has through hole, is inserted with screen plate handle (7) in through hole；Upper cover (5) is stamped at filter cavity (17) top, and upper cover (5) bottom has draw-in groove, and draw-in groove blocks screen plate (8) upper end；Upper cover (5) top has groove, and groove interpolation puts cancelling axle (4), and bearing pin (4) two ends are inserted through filter cavity (17) upper end 2 through holes radially；Upper cover bearing pin (4) one is terminated with upper cover bearing pin screw (3)；Upper cover handle (2) is fixed on upper cover (5) by upper cover (5) by upper cover handle screw (1)；Described filter cavity (17) lower end is vertically connected to downward lower port, described lower port radially has symmetrical 2 through holes, described lower port is placed with lower cover (11), lower cover (11) bottom has groove, groove interpolation puts down cancelling axle (12), and lower cover bearing pin (12) is inserted through filter cavity (17) lower port 2 through holes radially；Lower cover bearing pin (12) one is terminated with bearing pin screw (13)；Lower cover handle (14) is fixed on lower cover (11) by lower cover handle screw (15).
Controlled pressure drilling private filter the most according to claim 1, it is characterised in that: the filtering holes latus rectum through hole direction main with the body of level of described screen plate (8) is consistent.
Controlled pressure drilling private filter the most according to claim 1, it is characterised in that: it is equipped with upper cover O (6) between described filter cavity (17) and upper cover (5)；Lower cover O (10) it is equipped with between lower cover (11) and filter cavity (17) lower port.
Controlled pressure drilling private filter the most according to claim 1, it is characterised in that: described filter cavity (17) lower port side has through hole, is connected to plug (16) in through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395919.5A CN104196473B (en) | 2014-08-13 | 2014-08-13 | Controlled pressure drilling private filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395919.5A CN104196473B (en) | 2014-08-13 | 2014-08-13 | Controlled pressure drilling private filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196473A CN104196473A (en) | 2014-12-10 |
| CN104196473B true CN104196473B (en) | 2016-08-17 |
Family
ID=52081822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410395919.5A Expired - Fee Related CN104196473B (en) | 2014-08-13 | 2014-08-13 | Controlled pressure drilling private filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104196473B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006101A (en) * | 2021-10-21 | 2023-04-25 | 中国石油天然气集团有限公司 | Pressure-control well drilling anti-blocking intelligent blocking removing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2119496U (en) * | 1992-02-25 | 1992-10-21 | 大庆石油管理局钻井研究所 | Circulation type filtrate loss instrument for drilling fluid |
| CN101403279A (en) * | 2008-11-21 | 2009-04-08 | 李洪敏 | Well bottom booster pump and its supercharging method |
| CN201568042U (en) * | 2009-12-23 | 2010-09-01 | 中国石油天然气集团公司 | Pressure compensation device for managed pressure drilling |
| WO2011142894A1 (en) * | 2010-03-29 | 2011-11-17 | M-I L.L.C. | High pressure shear nozzle for inline conditioning of drilling mud |
| CN103015973A (en) * | 2012-12-24 | 2013-04-03 | 中国石油化工股份有限公司 | Simulation device for obtaining drilling parameter in pressure-controllable drilling |
| CN103180541A (en) * | 2010-09-15 | 2013-06-26 | 控制压力营运私人有限公司 | Managed pressure drilling apparatus |
| CN103615209A (en) * | 2013-11-14 | 2014-03-05 | 盐城市大冈石油工具厂有限责任公司 | Throttling and pressure regulating filter |
-
2014
- 2014-08-13 CN CN201410395919.5A patent/CN104196473B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2119496U (en) * | 1992-02-25 | 1992-10-21 | 大庆石油管理局钻井研究所 | Circulation type filtrate loss instrument for drilling fluid |
| CN101403279A (en) * | 2008-11-21 | 2009-04-08 | 李洪敏 | Well bottom booster pump and its supercharging method |
| CN201568042U (en) * | 2009-12-23 | 2010-09-01 | 中国石油天然气集团公司 | Pressure compensation device for managed pressure drilling |
| WO2011142894A1 (en) * | 2010-03-29 | 2011-11-17 | M-I L.L.C. | High pressure shear nozzle for inline conditioning of drilling mud |
| CN103180541A (en) * | 2010-09-15 | 2013-06-26 | 控制压力营运私人有限公司 | Managed pressure drilling apparatus |
| CN103015973A (en) * | 2012-12-24 | 2013-04-03 | 中国石油化工股份有限公司 | Simulation device for obtaining drilling parameter in pressure-controllable drilling |
| CN103615209A (en) * | 2013-11-14 | 2014-03-05 | 盐城市大冈石油工具厂有限责任公司 | Throttling and pressure regulating filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104196473A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104196473B (en) | Controlled pressure drilling private filter | |
| CN202117628U (en) | Liquid flow diversion valve | |
| CN103972747A (en) | Connector with check valve device | |
| CN204186324U (en) | A kind of drilling rod sand prevention bypass valve | |
| CN205663691U (en) | Oil filter device that hydraulic pressure was used | |
| CN207786070U (en) | A kind of Water purification filter device | |
| CN204060644U (en) | From flushing sand-proof pipe | |
| CN206753553U (en) | A kind of sand control oil production device | |
| CN202493233U (en) | Drawtube sand lifting device | |
| CN204663502U (en) | Oil field desander | |
| CN204941412U (en) | Spray-suction type small piece collector | |
| CN206770187U (en) | A kind of anti-coal dust double acting suction pump for coal bed gas extraction | |
| CN204025714U (en) | With the bottom valve of detachable filter cap structure | |
| CN204646199U (en) | The adjusting device that a kind of oil-extracting and water-injecting is special | |
| CN203175843U (en) | Sliding sand preventing device of oil well pump | |
| CN202882812U (en) | Sand prevention well washing valve structure | |
| CN202892992U (en) | Water tank with bottom silt easily discharged | |
| CN214106041U (en) | Submersible pump | |
| CN202484372U (en) | Self-discharge type uniflow valve | |
| CN205064137U (en) | Filter and blow -down valve thereof | |
| CN203954889U (en) | Novel drain function filter | |
| CN202082447U (en) | Safety valve component of oil-water separator combination valve | |
| CN202228026U (en) | Sand setting type cleanable well check valve suitable for high-inclination well | |
| CN202391402U (en) | Well-head flow stabilizing device for oil and water wells | |
| CN211144789U (en) | Low-abrasion all-terrain black gold sand control pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Co-patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Co-patentee before: DA QING PETROLEUM ADMINISTRATION BUREAU Patentee before: China National Petroleum Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |