CN105547613A - Airduct leakage detection method of drilling platform - Google Patents

Airduct leakage detection method of drilling platform Download PDF

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Publication number
CN105547613A
CN105547613A CN201610007073.2A CN201610007073A CN105547613A CN 105547613 A CN105547613 A CN 105547613A CN 201610007073 A CN201610007073 A CN 201610007073A CN 105547613 A CN105547613 A CN 105547613A
Authority
CN
China
Prior art keywords
airduct
air output
drilling platform
out value
output value
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.)
Pending
Application number
CN201610007073.2A
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Chinese (zh)
Inventor
冯晓宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Oilfield Services Ltd
China National Offshore Oil Corp CNOOC
Original Assignee
China Oilfield Services Ltd
China National Offshore Oil Corp CNOOC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Oilfield Services Ltd, China National Offshore Oil Corp CNOOC filed Critical China Oilfield Services Ltd
Priority to CN201610007073.2A priority Critical patent/CN105547613A/en
Publication of CN105547613A publication Critical patent/CN105547613A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses an airduct leakage detection method of a drilling platform. The method comprises the following steps: step 102, blowing a pressure gas to an airduct until pressure in the airduct is stable; step 104, measuring and compensating a pressure value at an air inlet, and according to the pressure value, correspondingly obtaining a theoretical air output value through conversion; step 106, comparing the theoretical air output value with an actual air output value at an air outlet; step 1062, if the actual air output value is smaller than the theoretical air output value, determining that the airduct is not qualified; and step 1064, if the actual air output value is equal to the theoretical air output value, determining that the airduct is qualified. The airduct leakage detection method of the drilling platform, provided by the invention, through comparing an actual air output quantity with a theoretical air output quantity according to a pressure air complementation method, whether a seam position of the airduct leaks can be determined. The method is simple to operate and short in detection time and can be applied to detection of a seam position of an airduct at any places.

Description

The airduct side leakage method of drilling platform
Technical field
The present invention relates to oil exploration equipment technology, espespecially a kind of airduct side leakage method of drilling platform.
Background technology
In oceanographic engineering semi-submersible rig building course, whether airduct leaks will produce important impact to the operation of system, therefore needs to carry out leakage test to airduct.Current leak detection method is the method with suds, namely to air blast in airduct, at the seam crossing spraying suds of per pass airduct, if any leakage, then suds can be blown afloat bubble and come.This leak detection method at substantial manpower and proving time, and space arranges that narrower and small place can't be checked.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of airduct side leakage method of drilling platform, it is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
In order to reach the object of the invention, the invention provides a kind of airduct side leakage method of drilling platform, comprising:
Step 102, is blown into pressed gas to the pressure stability in airduct in airduct;
Step 104, the force value of metrophia compensation air inlet, and converse theoretical air-out value according to this force value correspondence;
Step 106, compares the actual air-out value of theoretical air-out value and air outlet:
Step 1062, when actual air-out value is less than theoretical air-out value, is judged to be defective;
Step 1064, when actual air-out value equals theoretical air-out value, it is qualified to be judged to be.
Alternatively, in described step 102, in airduct, be blown into pressed gas by frequency conversion booster fan.
Alternatively, in described step 102, frequency conversion booster fan is blown into the pressed gas of setting according to the pressure rating of airduct in airduct.
Compared with prior art, the airduct side leakage method of drilling platform provided by the invention, by coming actual air output and theoretical air output according to the mode filling into pressure air, judge whether airduct seam crossing leaks with this, the method is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and forms a part for instructions, is used from and explains technical scheme of the present invention, do not form the restriction to technical solution of the present invention with the embodiment one of the application.
The structural representation of the device corresponding to airduct side leakage method that Fig. 1 is drilling platform of the present invention;
The process flow diagram of the airduct side leakage method that Fig. 2 is the drilling platform described in one embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 between Reference numeral and component names is:
1 airduct, 2 blower fans, 3 pressure testers, 4 discharge pipe structures.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here to implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
The airduct side leakage method of the drilling platform of some embodiments of the invention is described below in conjunction with accompanying drawing.
The airduct side leakage method of drilling platform provided by the invention, as depicted in figs. 1 and 2, comprising:
Step 102, is blown into pressed gas to the pressure stability in airduct in airduct;
Step 104, the force value of metrophia compensation air inlet, and converse theoretical air-out value according to this force value correspondence;
Step 106, compares the actual air-out value of theoretical air-out value and air outlet:
Step 1062, when actual air-out value is less than theoretical air-out value, is judged to be defective;
Step 1064, when actual air-out value equals theoretical air-out value, it is qualified to be judged to be.
The airduct side leakage method of drilling platform provided by the invention, by coming actual air output and theoretical air output according to the mode filling into pressure air, judge whether airduct seam crossing leaks with this, the method is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
Wherein, the value of theoretical air output can be calculated by mathematical method and suitably increase error range and obtain, and also can be to be obtained by modes such as the test methods of routine, all can realize the object of the application, not repeat them here.
In Fig. 1, label 1 is airduct, and label 2 is blower fan, and label 3 is pressure tester, and label 4 is discharge pipe structure.
In addition, the airduct side leakage method of drilling platform provided by the invention also can have following additional technical characteristic:
Preferably, in described step 102, in airduct, be blown into pressed gas by frequency conversion booster fan.
Wherein, in described step 102, frequency conversion booster fan is blown into the pressed gas of setting according to the pressure rating of airduct in airduct, to meet normal testing requirement, ensures that test is normally carried out.
The airduct side leakage method of drilling platform provided by the invention, time saving and energy saving, broad covered area, and be applicable to the airduct leak check in all places on platform, measurement result is objective, the quality measured all is shown by instrument, measurement result can realize the record (whether converge leakage) of matter and the record (leakage rate is how many) of amount, and survey record retrospective is strong.
Compared with prior art, the airduct side leakage method of drilling platform provided by the invention, by coming actual air output and theoretical air output according to the mode filling into pressure air, judge whether airduct seam crossing leaks with this, the method is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
In describing the invention, term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this instructions, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content only adopts for ease of understanding the present invention, and be not used to limit the present invention.Those of skill in the art belonging to any the present invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be carried out in the form implemented and details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.

Claims (3)

1. an airduct side leakage method for drilling platform, is characterized in that, comprising:
Step 102, is blown into pressed gas to the pressure stability in airduct in airduct;
Step 104, the force value of metrophia compensation air inlet, and converse theoretical air-out value according to this force value correspondence;
Step 106, compares the actual air-out value of theoretical air-out value and air outlet:
Step 1062, when actual air-out value is less than theoretical air-out value, is judged to be defective;
Step 1064, when actual air-out value equals theoretical air-out value, it is qualified to be judged to be.
2. the airduct side leakage method of drilling platform according to claim 1, is characterized in that, in described step 102, is blown into pressed gas by frequency conversion booster fan in airduct.
3. the airduct side leakage method of drilling platform according to claim 2, is characterized in that, in described step 102, frequency conversion booster fan is blown into the pressed gas of setting according to the pressure rating of airduct in airduct.
CN201610007073.2A 2016-01-05 2016-01-05 Airduct leakage detection method of drilling platform Pending CN105547613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610007073.2A CN105547613A (en) 2016-01-05 2016-01-05 Airduct leakage detection method of drilling platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610007073.2A CN105547613A (en) 2016-01-05 2016-01-05 Airduct leakage detection method of drilling platform

Publications (1)

Publication Number Publication Date
CN105547613A true CN105547613A (en) 2016-05-04

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Country Status (1)

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CN (1) CN105547613A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760169A (en) * 2018-08-10 2018-11-06 黄云鹏 A kind of Internet of Things valve well CH_4 detection device
CN110243557A (en) * 2019-06-14 2019-09-17 国家能源投资集团有限责任公司 Pipe detection system, boiler components and method for detecting pipeline

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WO2003029777A2 (en) * 2001-09-28 2003-04-10 Volkswagen Aktiengesellschaft Method for identifying a leak in the intake port of an internal combustion engine and an internal combustion engine that is equipped accordingly
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CN102636321A (en) * 2012-04-12 2012-08-15 三一重型装备有限公司 Leakage diagnostic system and method of hydraulic bracket as well as hydraulic bracket
CN203203771U (en) * 2013-04-25 2013-09-18 天津三建建筑工程有限公司安装分公司 Air leakage testing device for single-section air duct and component thereof in ventilation and air conditioning system
CN103398296A (en) * 2013-07-29 2013-11-20 中国五冶集团有限公司 Air pipe tightness test method, light leak test system using air pipe tightness test method, and wind pressure test system using air pipe tightness test method
CN103411742A (en) * 2013-07-29 2013-11-27 中国五冶集团有限公司 Method and system for testing tightness of air pressure of air pipe
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CN2198602Y (en) * 1994-05-27 1995-05-24 北京市城市建设工程安装公司 Measuring instrument for wind pipe leakage
WO2003029777A2 (en) * 2001-09-28 2003-04-10 Volkswagen Aktiengesellschaft Method for identifying a leak in the intake port of an internal combustion engine and an internal combustion engine that is equipped accordingly
CN101532901A (en) * 2009-04-13 2009-09-16 苏州工业设备安装集团有限公司 Air leakage amount testing device of clean air conditioning system
CN201607311U (en) * 2010-01-06 2010-10-13 江苏省建筑工程集团有限公司 Air pipe air leakage testing device
CN102636321A (en) * 2012-04-12 2012-08-15 三一重型装备有限公司 Leakage diagnostic system and method of hydraulic bracket as well as hydraulic bracket
US20140081550A1 (en) * 2012-09-14 2014-03-20 Ford Global Technologies, Llc Crankcase integrity breach detection
CN203203771U (en) * 2013-04-25 2013-09-18 天津三建建筑工程有限公司安装分公司 Air leakage testing device for single-section air duct and component thereof in ventilation and air conditioning system
CN103398296A (en) * 2013-07-29 2013-11-20 中国五冶集团有限公司 Air pipe tightness test method, light leak test system using air pipe tightness test method, and wind pressure test system using air pipe tightness test method
CN103411742A (en) * 2013-07-29 2013-11-27 中国五冶集团有限公司 Method and system for testing tightness of air pressure of air pipe

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760169A (en) * 2018-08-10 2018-11-06 黄云鹏 A kind of Internet of Things valve well CH_4 detection device
CN110243557A (en) * 2019-06-14 2019-09-17 国家能源投资集团有限责任公司 Pipe detection system, boiler components and method for detecting pipeline
CN110243557B (en) * 2019-06-14 2021-11-19 国家能源投资集团有限责任公司 Pipeline detection system, boiler assembly and pipeline detection method

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