CN108180010B - Drilling fluid liquid level monitoring alarm - Google Patents

Drilling fluid liquid level monitoring alarm Download PDF

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Publication number
CN108180010B
CN108180010B CN201711278325.6A CN201711278325A CN108180010B CN 108180010 B CN108180010 B CN 108180010B CN 201711278325 A CN201711278325 A CN 201711278325A CN 108180010 B CN108180010 B CN 108180010B
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China
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alarm
rod
adjusting
drilling fluid
floating rod
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CN201711278325.6A
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CN108180010A (en
Inventor
赵文彬
王萍
梁文龙
王锦昌
袁立鹤
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Petroleum Engineering Technology Research Institute China Petrochemical Corp North China Oil & Gas Co
China Petroleum and Chemical Corp
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Petroleum Engineering Technology Research Institute China Petrochemical Corp North China Oil & Gas Co
China Petroleum and Chemical Corp
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Application filed by Petroleum Engineering Technology Research Institute China Petrochemical Corp North China Oil & Gas Co, China Petroleum and Chemical Corp filed Critical Petroleum Engineering Technology Research Institute China Petrochemical Corp North China Oil & Gas Co
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/04Measuring depth or liquid level
    • E21B47/047Liquid level

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Level Indicators Using A Float (AREA)

Abstract

The invention relates to a drilling fluid liquid level monitoring alarm, which comprises a support seat fixed on a drilling fluid tank, wherein a floating rod used for being suspended into the drilling fluid tank is assembled on the support seat in a sliding manner along the up-down direction, a floater is arranged at the lower end of the floating rod, the alarm also comprises an alarm structure, an alarm triggering structure is arranged on the floating rod, an adjusting rod extending up and down is also arranged on the support seat, an adjusting structure used for adjusting the distance between the alarm triggering structure and the alarm structure is arranged on the adjusting rod, the adjusting rod adjusts the height of a conductive interface of the alarm structure and the support seat, so that different liquid level height alarm set values can be realized aiming at different liquid level heights, the distance between the conductive conductor structure on the floating rod and the conductive interface is adjusted by the adjusting rod, and the alarm has certain universality, the operation is simple, and the practicability is high.

Description

Drilling fluid liquid level monitoring alarm
Technical Field
The invention relates to a drilling fluid level monitoring alarm.
Background
The drilling fluid liquid level monitoring alarm instrument who uses at present in the oil drilling process generally adopts pneumatic connection, audible alarm and needs the artifical post of sitting closely, and this kind of instrument connection process is complicated, because the noise interference of well drilling in-process, the promptness of the discovery of reporting to the police is relatively poor, and the risk that the overflow is out of control is higher, and needs the artifical post of sitting the cost higher.
The Chinese patent document with the publication number of CN203161211U discloses a drilling liquid level monitoring and alarming device, which comprises a graduated scale and a guide rod which are vertically arranged on a support in parallel, wherein a limit switch is arranged on the guide rod, a fixed limit induction disc is arranged on the graduated scale, an alarming structure is arranged on the support, and a floater is arranged at the lower end of the guide rod.
Disclosure of Invention
The invention aims to provide a drilling fluid level monitoring alarm with universality.
In order to realize the purpose, the technical scheme of the drilling fluid level monitoring alarm is as follows:
scheme 1: drilling fluid liquid level monitoring alarm, including being used for fixing the supporting seat on the drilling fluid tank, it is equipped with the floating rod that is arranged in the suspension to extend to the drilling fluid tank to slide along upper and lower direction on the supporting seat, the lower extreme of floating rod has the float, alarm still includes alarm structure, alarm trigger structure has on the floating rod, the regulation pole that still extends from top to bottom on the supporting seat, it is used for adjusting the regulation structure of reporting to the police the distance between trigger structure and the alarm structure to have on the regulation pole.
Scheme 2: on the basis of the scheme 1, the adjusting structure is a height adjusting telescopic rod arranged on the adjusting rod.
Scheme 3: on the basis of the scheme 2, one of the adjusting rod and the floating rod is provided with scales which are arranged up and down, and the other is provided with a scale needle for indicating the height position of the floater.
Scheme 4: on the basis of scheme 3, be provided with the scale needle on the regulation pole, the height control telescopic link is located the upside of scale needle.
Scheme 5: on the basis of the scheme 4, the part of the adjusting rod, which is positioned between the scale needle and the supporting seat, is provided with a zero calibration structure for adjusting the height of the scale needle relative to the supporting seat so as to realize zero calibration of the floating rod on the liquid level.
Scheme 6: on the basis of the scheme 5, the zero calibration structure is a zero calibration telescopic rod which is arranged on the adjusting rod and between the scale needle and the supporting seat.
Scheme 7: on the basis of any one of the schemes 1-6, the conductor interface is suspended right above the floating rod, the alarm triggering structure is arranged at the upper end of the floating rod, and the alarm structure is triggered to alarm when the floating rod moves upwards under the action of buoyancy.
Scheme 8: on the basis of the scheme 7, the alarm structure comprises a conductor interface which is used for being connected with the electric conductor structure to form a closed circuit so as to realize alarm, and the alarm triggering structure is the electric conductor structure which is arranged at the upper end of the floating rod and is used for being connected with the conductor interface to form the closed circuit so as to realize alarm.
Scheme 9: on the basis of the scheme 8, the conductor interface is a fracture structure and is provided with two connecting ends which are oppositely arranged at intervals, and the electric conductor structure is provided with a conductive part which is respectively in contact connection with the two connecting ends of the conductor interface.
Scheme 10: on the basis of the scheme 9, the electric conductor structure is an isosceles triangle-shaped top cap arranged at the top end of the floating rod, and two waist edges of the top cap are made of conductive materials to form the conductive part.
The invention has the beneficial effects that: compared with the prior art, the drilling fluid liquid level monitoring alarm provided by the invention has the advantages that the floating rod is arranged on the supporting seat, and the alarm triggering structure for triggering the alarm structure to alarm is arranged on the floating rod, so that the alarm structure can alarm in time after the liquid level in the drilling fluid tank is higher than a set value, further, the distance between the alarm structure and the supporting seat is adjusted by arranging the adjusting rod, and further, different liquid level height alarm set values can be realized aiming at different liquid level heights, the distance between the alarm triggering structure and the alarm structure on the floating rod can be adjusted by the adjusting rod to meet the requirement, and the alarm has certain universality, is simpler to operate, and has higher practicability.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the drilling fluid level monitoring alarm of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the drilling fluid level monitoring alarm of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the drilling fluid level monitoring alarm of the present invention;
FIG. 4 is a schematic structural diagram of a fourth embodiment of the drilling fluid level monitoring alarm of the present invention;
fig. 5 is a schematic structural diagram of a fifth embodiment of the drilling fluid level monitoring alarm of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The first embodiment of the drilling fluid level monitoring alarm of the invention: as shown in figure 1, the alarm comprises a supporting seat fixed at the edge of an upper end opening of a drilling fluid tank, a floating rod 5 is arranged on the supporting seat in a penetrating way along the vertical direction, a floater 1 floating on the fluid level is arranged at the lower end of the floating rod 5, and an adjusting rod extending in the vertical direction is also arranged on the supporting seat.
For the supporting seat, in the embodiment, it includes a fixing plate 4 for fixing at the edge of the upper end opening of the drilling fluid tank, specifically, a through hole penetrating up and down is provided on the fixing plate 4, and the fixing in the drilling fluid tank is realized by a bolt. Meanwhile, the adjusting lever is arranged on the fixing plate 4. The supporting seat further comprises a supporting tube 3 connected with a fixing sheet 4, in the embodiment, one end of the fixing sheet 4 is fixed on the side wall of the supporting tube 3, and then the supporting tube 3 can be suspended in the upper end opening of the drilling fluid tank.
The floating rod 5 is guided and penetrated in the support tube 3, and a stopping structure for stopping and matching with the float 1 is arranged at the lower end of the support rod, in the embodiment, the stopping structure is the support plate 2 embedded in the lower end of the support tube 3, the support plate 2 is provided with a float bayonet 21, the float bayonet 21 forms a flow channel for liquid to flow in, and meanwhile, the diameter of the float bayonet 21 is smaller than the diameter of the float 1 and smaller than two thirds of the diameter of the float 1, so that the float 1 can be stopped on the support plate 2. For the supporting tube 3, a centering clamping groove 6 for preventing the floating rod 5 from inclining is further arranged inside the supporting tube 3, the centering clamping groove 6 is formed by a centering tube embedded in the supporting tube 3, the width of the clamping groove is larger than 1.2 parts of the diameter of the floating rod 5, the length of the clamping groove is larger than 2 times of the diameter of the floating rod 5, and therefore the guiding stability of the floating rod 5 in the supporting tube 3 can be guaranteed. Meanwhile, in this embodiment, the upper end of the floating rod 5 is provided with a conductor top cap 11, the conductor top cap 11 is an isosceles triangle, the bottom side of the conductor top cap is connected with the upper end of the floating rod 5, and the length of the bottom side is greater than the diameter of the support tube 3, so that the top cap can be supported at the upper end of the support tube 3.
This drilling fluid liquid level monitoring alarm instrument is still including setting up the alarm structure in the upper end of adjusting the pole, in this embodiment, alarm structure includes power 12, and alarm lamp 13 and the warning loudspeaker 14 of being connected with power 12 electricity, alarm lamp 13 and warning loudspeaker 14 are parallelly connected each other, alarm structure still has electrically conductive interface simultaneously, in this embodiment, electrically conductive interface is fracture structure, it has two relative interval arrangement's link, the closed circuit of alarm structure is realized with the link contact that corresponds respectively to two waists of foretell conductor hood 11, conductor hood 11 constitutes the warning trigger structure who is used for triggering the warning of alarm structure warning, and then realize alarm lamp 13 and the audible-visual alarm of warning loudspeaker 14.
In the actual working process, when the liquid level rises to a set value, the buoyancy pushes the floater 1 to move upwards so as to push the floating rod 5 to move upwards, and the conductor top cap 11 at the upper end of the floating rod 5 is connected with the conductive interface to form a closed circuit, so that the alarm is realized.
In this embodiment, the rod body of the float rod 5 is provided with the scales 7 distributed vertically, the corresponding adjusting rod is provided with the scale needle 9 for indicating a scale value, for the adjusting rod, the part of the adjusting rod, which is located at the upper side of the scale needle 9, is of a sectional structure, the height adjusting telescopic rod 10 is arranged between two corresponding adjacent sections, the height of the conductive interface relative to the supporting seat can be realized through the arrangement of the height adjusting telescopic rod 10, and further, the alarm requirement can be met for different alarm liquid level heights, and certain universality is achieved.
Meanwhile, the part of the adjusting rod, which is positioned between the scale needle 9 and the supporting seat, is of a sectional structure, a zero calibration adjusting telescopic rod 8 is arranged between two corresponding adjacent sections, the height of the scale needle 9 relative to the supporting seat can be adjusted through the telescopic function of the zero calibration adjusting telescopic rod 8, and then zero calibration of the floating rod 5 on the liquid level can be realized, so that the scale value indicated by the scale needle 9 can reflect the rising height of the liquid level when alarming.
In this embodiment, the float 1 is a hollow sphere made of plastic, the floating rod 5 is a solid cylinder made of plastic, and the height adjusting telescopic rod 10 and the zero adjustment telescopic rod 8 can be rotated to adjust the length.
When the alarm device is used, the alarm device is fixed on a drilling fluid tank through the fixing piece 4, then the power supply 12 is switched on, the telescopic rod 10 is adjusted through adjusting the height, the conductor top cap 11 is connected with the conductive interface to form a closed circuit, the effectiveness of the alarm structure is measured, and the normal work of the alarm structure is ensured; according to the liquid level height that needs were reported to the police, adjust zero adjustment telescopic link 8, guarantee float 1 for the height of supporting seat can just float 1 on the liquid level, and scale needle 9 just indicates on the zero scale of scale interval this moment, realize the zero return of scale.
The invention relates to a second embodiment of a drilling fluid level monitoring alarm instrument, which comprises: the difference from the first embodiment is that, as shown in fig. 2, the scale 7 may be provided on the adjustment lever and the scale needle 9 may be provided on the float 5, and the zero calibration structure is not required.
The invention relates to a drilling fluid liquid level monitoring alarm, which comprises the following three embodiments: the difference from the first embodiment is that, as shown in fig. 3, the adjusting rod may be configured as a rod structure that is inserted into each other, and the telescopic adjustment is realized by providing pin holes 15 on two corresponding rods and by radially penetrating pins.
The invention relates to a drilling fluid liquid level monitoring alarm, which comprises the following four embodiments: the difference from the first embodiment is that, as shown in fig. 4, the conductive interface may be disposed on the shaft of the adjustment rod, and the conductor limit block is correspondingly disposed on the shaft of the float rod 5, so that a closed circuit of the alarm structure can also be formed.
The invention relates to a drilling fluid liquid level monitoring alarm, which comprises the following five embodiments: the difference from the first embodiment is that, as shown in fig. 5, the top cap may be provided with a spherical structure or a symmetrical cambered structure instead.
In other embodiments, the liquid level elevation can be directly measured by the difference value of the front and back scale values of the scale needle 9 without setting a zero calibration structure; the supporting tube 3 is not needed, and the centering clamping groove 6 is arranged to guide the supporting tube 3; the floater 1 can be directly suspended without arranging the supporting plate 2; the alarm structure can be provided with a button switch, when the upper end of the floating rod is pressed on the switch, the alarm is realized, when the upper end of the floating rod is separated from the switch, the alarm is cancelled, and the triggering of the alarm structure can also be realized.

Claims (2)

1. Drilling fluid liquid level monitoring alarm, its characterized in that: the alarm instrument comprises a supporting seat fixed on a drilling fluid tank, wherein a floating rod used for extending into the drilling fluid tank in a suspending way is assembled on the supporting seat in a sliding way along the up-down direction, a floater is arranged at the lower end of the floating rod, the alarm instrument further comprises an alarm structure, an alarm triggering structure is arranged on the floating rod, an adjusting rod extending up and down is further arranged on the supporting seat, the alarm structure is arranged at the upper end of the adjusting rod, and an adjusting structure used for adjusting the distance between the alarm triggering structure and the alarm structure is arranged on the adjusting rod; the adjusting structure is a height adjusting telescopic rod arranged on the adjusting rod; scales which are arranged up and down are arranged on one of the adjusting rod and the floating rod, and a scale needle for indicating the height position of the floater is arranged on the other one of the adjusting rod and the floating rod; the height adjusting telescopic rod is positioned on the upper side of the scale needle; the part of the adjusting rod, which is positioned between the scale needle and the supporting seat, is provided with a zero calibration structure for adjusting the height of the scale needle relative to the supporting seat so as to realize zero calibration of the floating rod on the liquid level; the alarm structure is suspended right above the floating rod, the alarm trigger structure is arranged at the upper end of the floating rod, and the alarm structure is triggered to alarm when the floating rod moves upwards under the action of buoyancy; the alarm structure comprises a conductor interface which is used for being connected with the electric conductor structure to form a closed circuit so as to realize alarm, and the alarm triggering structure is the electric conductor structure which is arranged at the upper end of the floating rod and is used for being connected with the conductor interface to form the closed circuit so as to realize alarm; the conductor interface is a fracture structure and is provided with two connecting ends which are oppositely arranged at intervals, and the electric conductor structure is provided with a conductive part which is respectively in contact connection with the two connecting ends of the conductor interface; the electric conductor structure is a top cap which is arranged at the top end of the floating rod and is in an isosceles triangle structure, and two waist edges of the top cap are conductive material bodies to form the conductive part; or the electric conductor structure is a spherical structure or a symmetrical cambered surface structure arranged at the top end of the floating rod.
2. The drilling fluid level monitoring alarm of claim 1, wherein: the zero calibration structure is a zero calibration telescopic rod arranged on the adjusting rod and between the scale needle and the supporting seat.
CN201711278325.6A 2017-12-06 2017-12-06 Drilling fluid liquid level monitoring alarm Active CN108180010B (en)

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Application Number Priority Date Filing Date Title
CN201711278325.6A CN108180010B (en) 2017-12-06 2017-12-06 Drilling fluid liquid level monitoring alarm

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Application Number Priority Date Filing Date Title
CN201711278325.6A CN108180010B (en) 2017-12-06 2017-12-06 Drilling fluid liquid level monitoring alarm

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CN108180010A CN108180010A (en) 2018-06-19
CN108180010B true CN108180010B (en) 2021-09-10

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108824423B (en) * 2018-08-03 2020-05-12 山西建筑工程集团有限公司 Bored pile construction alarm device
CN109577953B (en) * 2018-12-29 2023-12-22 青海岩土工程勘察咨询有限公司 Drilling fluid liquid level monitoring device
CN116067703B (en) * 2022-10-25 2024-05-31 中国石油天然气集团有限公司 Drilling fluid sampling device

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CN201909653U (en) * 2010-12-23 2011-07-27 中国石油集团渤海钻探工程有限公司 Direct-reading liquid level alarm
CN103123275A (en) * 2011-11-21 2013-05-29 海洋王照明科技股份有限公司 Dual liquid level monitor
CN203161211U (en) * 2013-04-08 2013-08-28 胜利油田万和石油工程技术有限责任公司 Drilling liquid level monitoring and alarming device
CN203265552U (en) * 2013-05-16 2013-11-06 武汉钢铁(集团)公司 Extensible type continuous casting crystallizer hydrodynamics model liquid level monitoring probe holder
CN203837776U (en) * 2014-05-06 2014-09-17 海南经纬乳胶丝有限责任公司 Novel liquid level warning device
CN204788584U (en) * 2015-07-24 2015-11-18 天津市兴中石油机械配件有限公司 Gas accuse liquid level alarm
CN206035479U (en) * 2016-08-29 2017-03-22 宝鸡金辉石油机械有限公司 Liquid level detection ware in pit

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US4840137A (en) * 1987-07-01 1989-06-20 Casco Products Corporation Liquid level gauging apparatus
CN201381814Y (en) * 2009-04-13 2010-01-13 周化章 Liquid level monitoring instrument of drilling fluid
CN106461713B (en) * 2015-01-13 2019-07-23 住友理工株式会社 Electrostatic capacity metering device, capacitance type planar sensor device and capacitance type liquid level detection device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201909653U (en) * 2010-12-23 2011-07-27 中国石油集团渤海钻探工程有限公司 Direct-reading liquid level alarm
CN103123275A (en) * 2011-11-21 2013-05-29 海洋王照明科技股份有限公司 Dual liquid level monitor
CN203161211U (en) * 2013-04-08 2013-08-28 胜利油田万和石油工程技术有限责任公司 Drilling liquid level monitoring and alarming device
CN203265552U (en) * 2013-05-16 2013-11-06 武汉钢铁(集团)公司 Extensible type continuous casting crystallizer hydrodynamics model liquid level monitoring probe holder
CN203837776U (en) * 2014-05-06 2014-09-17 海南经纬乳胶丝有限责任公司 Novel liquid level warning device
CN204788584U (en) * 2015-07-24 2015-11-18 天津市兴中石油机械配件有限公司 Gas accuse liquid level alarm
CN206035479U (en) * 2016-08-29 2017-03-22 宝鸡金辉石油机械有限公司 Liquid level detection ware in pit

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