CN104455693A - Valve plate opening and closing position measuring device - Google Patents
Valve plate opening and closing position measuring device Download PDFInfo
- Publication number
- CN104455693A CN104455693A CN201410634547.7A CN201410634547A CN104455693A CN 104455693 A CN104455693 A CN 104455693A CN 201410634547 A CN201410634547 A CN 201410634547A CN 104455693 A CN104455693 A CN 104455693A
- Authority
- CN
- China
- Prior art keywords
- main eccentric
- valve seat
- circuit board
- eccentric cylinder
- barrel
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000005355 Hall effect Effects 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0033—Electrical or magnetic means using a permanent magnet, e.g. in combination with a reed relays
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to the technical field of unbalanced drilling, in particular to a valve plate opening and closing position measuring device. A main eccentric barrel of the valve plate opening and closing position measuring device is arranged at the upper end of a valve seat, the outer side of the main eccentric barrel is connected to a lower outer barrel. The main eccentric barrel and the lower outer barrel are sealed through an outer sealing ring. The inner side of the main eccentric barrel and a piston barrel are sealed through an inner sealing ring. The outer side of the upper end of the main eccentric barrel is connected with a chamber cover plate through fastening screws, and the main eccentric barrel and the chamber cover plate are sealed through a chamber cover plate sealing ring. A circuit board chamber is formed between the main eccentric barrel and the chamber cover plate. A printed-circuit board is arranged in the circuit board chamber. A wire guide sealing sleeve is mounted between the main eccentric barrel and the valve seat, and the wire guide sealing sleeve, the main eccentric barrel and the valve seat are sealed through wire guide sealing sleeve sealing rings. The valve plate opening and closing position measuring device can visually display the opened and closed state of a valve plate through a computer terminal on the ground, guarantees safe operation of the whole unbalanced drilling process, and overcomes the defects that an existing underground valve plate closing state judging method is inaccurate, and unsafe factors are brought to unbalanced drilling construction.
Description
Technical field:
The present invention relates to a kind of under-balanced drilling technology field, particularly a kind of valve plate switching position measuring device.
Background technique:
The down hole sleeve valve that under balance pressure drilling uses, the judgement of whether closing down-hole valve plate is at present based on liquid in-out force feed amount, when oil mass loss or leakage may cause going down process bit damage valve plate, or cause the misoperation of trip-out process wellheadpressure, bring operational uncertainty to overall process under-balance drilling construction.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of valve plate switching position measuring device, the arrangement achieves the on off state that intuitively can be shown valve plate on ground by computer terminal, guarantees the safety operation of overall process under-balance drilling process.Overcoming existing well lower valve plate, whether to close determination methods inaccurate, brings the deficiency of unsafe factor under balance pressure drilling construction.
The technical solution used in the present invention is: a kind of valve plate switching position measuring device, comprises valve seat and main eccentric cylinder, main eccentric cylinder is placed in valve seat upper end, connect bottom urceolus outside main eccentric cylinder and sealed by exterior seal ring, sealed by inner seal ring and piston cylinder inside main eccentric cylinder, by fastening screw connection chamber room cover plate and by the sealing of chamber cover plate seal ring outside main eccentric cylinder upper end, circuit board chamber is formed between main eccentric cylinder and chamber cover plate, circuit board cavity indoor are provided with printed circuit board, linear sealing cover was installed between main eccentric cylinder and valve seat, cross linear sealing cover and between main eccentric cylinder and valve seat, passed through linear sealing and overlap seal ring and seal, valve plate switch sensor comprises sensor body, hall effect sensor and permanent magnet, valve seat lower end connecting sensor body is also sealed by sensor seal ring, inside, sensor body lower end is provided with hall effect sensor, main eccentric cylinder, cross linear sealing cover, valve seat and sensor body have duct formation cable-through hole, the signaling line of hall effect sensor enters circuit board chamber by cable-through hole and welds on a printed circuit board, play block is arranged in the mounting groove of sensor body bottom, permanent magnet is placed in hall effect sensor lower end and is embedded in play block inside, spring sheet is fixed in sensor body by spring sheet fastening screw, slideway screw is fixed on play block by the elongated hole of spring sheet.
The invention has the beneficial effects as follows: the present invention intuitively can show the on off state of valve plate by computer terminal on ground, guarantee the safety operation of overall process under-balance drilling process.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to sectional drawing.
Embodiment:
As shown in Figure 1 and Figure 2, a kind of valve plate switching position measuring device, comprises valve seat 4 and main eccentric cylinder 9, main eccentric cylinder 9 is placed in valve seat 4 upper end, connect bottom urceolus 1 outside main eccentric cylinder 9 and sealed by exterior seal ring 8, sealed by inner seal ring 18 and piston cylinder 17 inside main eccentric cylinder 9, sealed by chamber cover plate seal ring 13 by fastening screw 12 connection chamber room cover plate 14 outside main eccentric cylinder 9 upper end, circuit board chamber 15 is formed between main eccentric cylinder 9 and chamber cover plate 14, printed circuit board 16 is provided with in circuit board chamber 15, between main eccentric cylinder 9 and valve seat 4, linear sealing was installed and overlapped 6, cross linear sealing cover 6 and between main eccentric cylinder 9 and valve seat 4, passed through linear sealing and overlap seal ring 7 and seal, valve plate switch sensor comprises sensor body 2, hall effect sensor 20 and permanent magnet 22, valve seat 4 lower end connecting sensor body 2 is also sealed by sensor seal ring 3, inside, sensor body 2 lower end is provided with hall effect sensor 20, main eccentric cylinder 9, cross linear sealing cover 6, valve seat 4 and sensor body 2 have duct formation cable-through hole 10, the signaling line 11 of hall effect sensor 20 enters circuit board chamber 15 by cable-through hole 10 and is welded on printed circuit board 16, play block 24 is arranged in the mounting groove of sensor body 2 bottom, permanent magnet 22 is placed in hall effect sensor 20 lower end and is embedded in play block 24 inside, spring sheet 21 is fixed in sensor body 2 by spring sheet fastening screw 19, slideway screw 23 is fixed on play block 24 by the elongated hole of spring sheet 21.Sealed by valve seat insert 5 between valve seat 4 and bottom urceolus 1.
Valve plate switch sensor measures signal and processing method is identical with wired drilling tilt measurement, and single core cable is to delivered downhole electric current, and simultaneously decoder up-delivering signal earthward, its signal, after decoding, can show in real time on the general computer on ground.When valve plate 25 is opened, valve plate 25 biasing springs sheet 21 makes play block 24 have 3 millimeters of distance plaies, permanent magnet 22 produces 3 millimeters of distance plaies with play block 24 simultaneously, cause the signal intensity of hall effect sensor 20 thus, the signal intensity that hall effect sensor 20 receives is converted to electrical signal and is uploaded by single core cable by printed circuit board 16, after terrestrial decoder, display valve plate 25 is in open mode.When valve plate 25 is closed, spring sheet 21 resets, make play block 24 3 millimeters of distance plaies left, permanent magnet 22 is with play block 24 play simultaneously, cause the signal intensity of hall effect sensor 20, the signal intensity that hall effect sensor 20 receives is converted to electrical signal and is uploaded by single core cable by printed circuit board 16, and after terrestrial decoder, display valve plate 25 is in closed condition.
Be understandable that, above about specific descriptions of the present invention, the technological scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.
Claims (1)
1. a valve plate switching position measuring device, comprises valve seat (4) and main eccentric cylinder (9); it is characterized in that: main eccentric cylinder (9) is placed in valve seat (4) upper end, main eccentric cylinder (9) outside is connected bottom urceolus (1) and is sealed by exterior seal ring (8), main eccentric cylinder (9) inner side is sealed by inner seal ring (18) and piston cylinder (17), by fastening screw (12) connection chamber room cover plate (14) and by chamber cover plate seal ring (13) sealing outside main eccentric cylinder (9) upper end, circuit board chamber (15) is formed between main eccentric cylinder (9) and chamber cover plate (14), printed circuit board (16) is provided with in circuit board chamber (15), linear sealing cover (6) was installed between main eccentric cylinder (9) and valve seat (4), cross linear sealing cover (6) and between main eccentric cylinder (9) and valve seat (4), passed through linear sealing and overlap seal ring (7) and seal, valve plate switch sensor comprises sensor body (2), hall effect sensor (20) and permanent magnet (22), valve seat (4) lower end connecting sensor body (2) is also sealed by sensor seal ring (3), sensor body (2) inside, lower end is provided with hall effect sensor (20), main eccentric cylinder (9), cross linear sealing cover (6), valve seat (4) and sensor body (2) have duct formation cable-through hole (10), the signaling line (11) of hall effect sensor (20) enters circuit board chamber (15) by cable-through hole (10) and is welded on printed circuit board (16), play block (24) is arranged in the mounting groove of sensor body (2) bottom, permanent magnet (22) is placed in hall effect sensor (20) lower end and is embedded in play block (24) inside, spring sheet (21) is fixed in sensor body (2) by spring sheet fastening screw (19), slideway screw (23) is fixed on play block (24) by the elongated hole of spring sheet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634547.7A CN104455693B (en) | 2014-11-12 | A kind of valve plate position of the switch measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634547.7A CN104455693B (en) | 2014-11-12 | A kind of valve plate position of the switch measurement apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455693A true CN104455693A (en) | 2015-03-25 |
| CN104455693B CN104455693B (en) | 2017-01-04 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240295158A1 (en) * | 2023-03-01 | 2024-09-05 | Halliburton Energy Services, Inc. | Downhole Valve With Rotational Position Sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697310Y (en) * | 2004-04-22 | 2005-05-04 | 新疆石油管理局钻井工艺研究院 | Under-balance downhole casing-valve |
| CN2698966Y (en) * | 2004-05-26 | 2005-05-11 | 中国石化集团胜利石油管理局钻井工艺研究院 | Hydraulic down-hole casing valve for under balance drilling |
| US20070012457A1 (en) * | 2005-07-13 | 2007-01-18 | Curtis Fredrick D | Underbalanced drilling applications hydraulically operated formation isolation valve |
| CN200964826Y (en) * | 2006-11-08 | 2007-10-24 | 新疆石油管理局钻井工艺研究院 | Under-balanced downhole casing valve capable of permanently locking |
| CN201258987Y (en) * | 2007-11-28 | 2009-06-17 | 瓦尔玛蒂阀制造公司 | Check valve |
| CN102102500A (en) * | 2010-12-17 | 2011-06-22 | 中国石油集团长城钻探工程有限公司 | Motor-driven worm gear transmission underground sleeve valve |
| CN102493785A (en) * | 2011-12-02 | 2012-06-13 | 中国石油集团长城钻探工程有限公司 | Automatic control sleeve valve |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697310Y (en) * | 2004-04-22 | 2005-05-04 | 新疆石油管理局钻井工艺研究院 | Under-balance downhole casing-valve |
| CN2698966Y (en) * | 2004-05-26 | 2005-05-11 | 中国石化集团胜利石油管理局钻井工艺研究院 | Hydraulic down-hole casing valve for under balance drilling |
| US20070012457A1 (en) * | 2005-07-13 | 2007-01-18 | Curtis Fredrick D | Underbalanced drilling applications hydraulically operated formation isolation valve |
| CN200964826Y (en) * | 2006-11-08 | 2007-10-24 | 新疆石油管理局钻井工艺研究院 | Under-balanced downhole casing valve capable of permanently locking |
| CN201258987Y (en) * | 2007-11-28 | 2009-06-17 | 瓦尔玛蒂阀制造公司 | Check valve |
| CN102102500A (en) * | 2010-12-17 | 2011-06-22 | 中国石油集团长城钻探工程有限公司 | Motor-driven worm gear transmission underground sleeve valve |
| CN102493785A (en) * | 2011-12-02 | 2012-06-13 | 中国石油集团长城钻探工程有限公司 | Automatic control sleeve valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240295158A1 (en) * | 2023-03-01 | 2024-09-05 | Halliburton Energy Services, Inc. | Downhole Valve With Rotational Position Sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200928 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Patentee before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |