CN212389328U - Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system - Google Patents

Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system Download PDF

Info

Publication number
CN212389328U
CN212389328U CN202021898579.5U CN202021898579U CN212389328U CN 212389328 U CN212389328 U CN 212389328U CN 202021898579 U CN202021898579 U CN 202021898579U CN 212389328 U CN212389328 U CN 212389328U
Authority
CN
China
Prior art keywords
liquid level
self
monitoring system
adaptive sealing
sealing body
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.)
Active
Application number
CN202021898579.5U
Other languages
Chinese (zh)
Inventor
李枝林
李赛
梁玉林
杨玻
杨晓峰
唐贵
蒋洪波
黄海峰
李翔
高如军
唐国军
左星
李照
陈武
宋旭
李鑫
姜林
赖勇
黄亚楼
陆思宇
罗顺文
雷雨
蒋林
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 National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
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 National Petroleum Corp, CNPC Chuanqing Drilling Engineering Co Ltd filed Critical China National Petroleum Corp
Priority to CN202021898579.5U priority Critical patent/CN212389328U/en
Application granted granted Critical
Publication of CN212389328U publication Critical patent/CN212389328U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

The utility model provides a sealed liquid level monitoring system in pit of many sizes pipe diameter self-adaptation. The monitoring system comprises a connecting device and a shaft liquid level monitor, wherein the connecting device comprises a connecting part, a self-adaptive sealing body and a conducting pipe, one end of the connecting part is connected with the shaft liquid level monitor, and the other end of the connecting part is connected with the conducting pipe; the middle part of the self-adaptive sealing body is provided with a cavity penetrating through the self-adaptive sealing body, and the self-adaptive sealing body can be arranged in an interface at a measured position and seals the interface; the conduction pipe sets up in the cavity, and the conduction pipe can be with liquid level information in the pit through adapting unit conduction to pit shaft liquid level monitor. The utility model discloses a liquid level monitoring system can seal not unidimensional pipe diameter, has replaced traditional many sizes attach fitting, can ensure good sealed effect, can in time monitor the pit shaft liquid level, and is easy and simple to handle, convenient to use.

Description

Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system
Technical Field
The utility model belongs to oil and gas drilling operation field, more specifically say, relate to a sealed liquid level monitoring system in pit of many sizes pipe diameter self-adaptation.
Background
With the further deepening of exploration and development of hydrocarbon reservoirs, at present, the well leakage condition is met in the drilling process, and deep marine stratums contain harmful gases such as hydrogen sulfide (the gas yield of a sulfur-containing gas field in China accounts for 60 percent of the gas yield in China), so that the exploration and development process of the stratums is seriously hindered. In particular, in the process of tripping a stratum which is easy to leak and transfer and spout, for underground liquid level measurement, the current method is to connect an underground liquid level monitoring instrument which is commonly used in the industry to measurement positions of a drilling tool or a kill manifold, an oil production tree and the like after an annular blowout preventer is intermittently closed according to a conventional method for measuring the underground liquid level, and carry out sealing monitoring by using a processed special variable buckle connecting device or towel, cotton yarn winding and the like. The biggest disadvantages of the conventional well logging methods include: firstly, when the special variable buckle connecting device is processed, variable buckle connecting devices with different sizes need to be equipped, and the special variable buckle connecting device is connected by threads or bolts when in use, so that the use is inconvenient; secondly, the towel and the cotton yarn are used for sealing, the sealing effect is poor, and the measured value is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To overcome the deficiencies in the prior art, one of the objects of the present invention is to solve one or more of the problems of the prior art. For example, one of the objects of the present invention is to provide an underground liquid level monitoring system which can be suitable for rapidly monitoring underground liquid levels under different pipe diameters.
In order to achieve the above object, an aspect of the present invention provides a downhole liquid level monitoring system with adaptive sealing of multiple sizes of pipe diameters. The monitoring system can comprise a connecting device and a shaft liquid level monitor, wherein the connecting device can comprise a connecting part, a self-adaptive sealing body and a conducting pipe, one end of the connecting part is connected with the shaft liquid level monitor, and the other end of the connecting part is connected with the conducting pipe; the self-adaptive sealing body is provided with a cavity penetrating through the self-adaptive sealing body in the middle, and the self-adaptive sealing body can be arranged in the interface of the measured position and seals the interface of the measured position; the conducting pipe is arranged in the cavity and can conduct underground liquid level information to the shaft liquid level monitor through the connecting part.
The utility model discloses in one exemplary embodiment of the sealed liquid level monitoring system in pit of many sizes pipe diameter self-adaptation, the self-adaptation seal body can be the inverted cone structure, the inclined plane of inverted cone can with the sealed cooperation of measurand position interface, adapting unit can set up the top of inverted cone structure.
The utility model discloses many sizes pipe diameter self-adaptation are sealed in the liquid level monitoring system in pit's an exemplary embodiment, the self-adaptation seal can be obtained by elastic material preparation.
Compared with the prior art, the beneficial effects of the utility model include:
(1) the liquid level monitoring system of the utility model can seal pipe diameters with different sizes, replaces the traditional multi-size connecting joint, can ensure quick installation and sealing, can monitor the liquid level of a shaft in time, is simple and convenient to operate and convenient to use;
(2) the utility model discloses a liquid level monitoring system is sealed effectual with measurand position interface, has avoided the tradition to use towel, cotton yarn etc. to seal the not tight problem of back.
Drawings
The above and other objects and features of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 shows a cross-sectional view of a connection device according to an exemplary embodiment of the present invention.
Description of the main reference numerals:
1. connecting part, 2, conduction pipe, 3, self-adaptation sealing body.
Detailed Description
Hereinafter, a downhole liquid level monitoring system with adaptive sealing of multi-size pipe diameters according to the present invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.
The utility model provides a sealed liquid level monitoring system in pit of many sizes pipe diameter self-adaptation. In an exemplary embodiment of the present invention, the system may comprise a connecting device and a shaft level monitor connected to each other. As shown in fig. 1, the connection device may include a connection part 1, a conductive pipe 2, and an adaptive sealing body 3. One end of the connecting part 1 is connected with a shaft liquid level monitor, and the other end of the connecting part is connected with the conduction pipe 2; the self-adaptive sealing body 3 can be placed in the interface of the measured position when the underground liquid level needs to be measured and seals the interface; the middle part of the self-adaptive sealing body 3 is provided with a cavity penetrating through the self-adaptive sealing body 3; the conducting tube 2 is arranged in a cavity of the adaptive sealing body 3. One end of the conductive pipe 2 is connected to the connection member 1. The conducting pipe can conduct the underground liquid level information to the shaft liquid level monitor through the connecting part. One end of the conduction pipe 2 can be flush with one end face of the self-adaptive sealing body 3, and the other end connected with the connecting part 1 is higher than the other end face of the self-adaptive sealing body 3.
In this embodiment, as shown in fig. 1, in order to facilitate the adaptive sealing body 3 to better enter the interface of the measured position and achieve better sealing, the adaptive sealing body 3 may be configured in an inverted cone structure. The inclined plane of the inverted cone structure is in sealing fit with the interface of the measured position. The connecting part 1 is arranged above the adaptive sealing body 3 with the inverted cone structure.
In this embodiment, the adaptive sealing body 3 may be made of an elastic material.
In this embodiment, the connection means may be provided at the interface of the measured location. For example, the connection device may be placed at the location of a measurement, such as a drilling tool, kill manifold, or christmas tree. And arranging the self-adaptive sealing body of the connecting device in the opening of the measured position of the drilling tool, the kill manifold or the Christmas tree and the like. After one end of the connecting device is connected with the shaft liquid level monitor, the shaft liquid level monitor can start to monitor the underground liquid level. The wellbore level monitor may be a conventional wellbore level monitor.
In this embodiment, the working process of the monitoring system may include:
s01, connecting the shaft liquid level monitor with the connecting component;
s02, placing the connecting device in the interface of the measured position, and sealing the interface;
and S03, starting to measure the liquid level in the well.
And when the underground liquid level measurement is started, the shaft liquid level measuring instrument is connected with the interface of the measured position by using the connecting device, and then the shaft liquid level measuring instrument is used for measuring. The wellbore level gauge may be a conventional wellbore level gauge.
To sum up, the utility model discloses a liquid level monitoring system can seal not unidimensional pipe diameter, has replaced traditional many sizes attach fitting, can ensure quick installation and sealed, can in time monitor the pit shaft liquid level, and is easy and simple to handle, convenient to use.
Although the present invention has been described above in connection with exemplary embodiments, it will be apparent to those skilled in the art that various modifications and changes may be made to the exemplary embodiments of the present invention without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (3)

1. A multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system is characterized by comprising a connecting device and a shaft liquid level monitor, wherein,
the connecting device comprises a connecting part, a self-adaptive sealing body and a conducting pipe, wherein,
one end of the connecting component is connected with the shaft liquid level monitor, and the other end of the connecting component is connected with the conduction pipe;
the self-adaptive sealing body is provided with a cavity penetrating through the self-adaptive sealing body in the middle, and the self-adaptive sealing body can be arranged in the interface of the measured position and seals the interface of the measured position;
the conducting pipe is arranged in the cavity and can conduct underground liquid level information to the shaft liquid level monitor through the connecting part.
2. The downhole liquid level monitoring system with the self-adaptive sealing of the multiple sizes of pipe diameters as claimed in claim 1, wherein the self-adaptive sealing body is of an inverted cone structure, the inclined surface of the inverted cone is in sealing fit with the interface of the measured position, and the connecting part is arranged above the inverted cone structure.
3. The downhole fluid level monitoring system of claim 1, wherein the adaptive seal body is made of an elastomeric material.
CN202021898579.5U 2020-09-02 2020-09-02 Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system Active CN212389328U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021898579.5U CN212389328U (en) 2020-09-02 2020-09-02 Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021898579.5U CN212389328U (en) 2020-09-02 2020-09-02 Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system

Publications (1)

Publication Number Publication Date
CN212389328U true CN212389328U (en) 2021-01-22

Family

ID=74254017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021898579.5U Active CN212389328U (en) 2020-09-02 2020-09-02 Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system

Country Status (1)

Country Link
CN (1) CN212389328U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111894554A (en) * 2020-09-02 2020-11-06 中国石油天然气集团有限公司 Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system
CN111894553A (en) * 2020-09-02 2020-11-06 中国石油天然气集团有限公司 Connecting device for underground liquid level monitoring and underground liquid level monitoring method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111894554A (en) * 2020-09-02 2020-11-06 中国石油天然气集团有限公司 Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system
CN111894553A (en) * 2020-09-02 2020-11-06 中国石油天然气集团有限公司 Connecting device for underground liquid level monitoring and underground liquid level monitoring method

Similar Documents

Publication Publication Date Title
CN212389328U (en) Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system
CN203403854U (en) Well mouth blowout preventer for large-diameter logging instrument
CN111335837A (en) Pressure-maintaining coring inner barrel for coal rock
CN206220877U (en) A kind of downhole cable wet joint suitable for there is the digital dispensing of cable
CN111894554A (en) Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system
CN104405297B (en) There is the segmented oil drill rocker sealing structure
CN109707334A (en) A kind of water injection well intelligently dispensed electric cable wellhead sealing device
CN210005075U (en) Water leakage monitoring device for plug and working pipe in drilling water-pressing test
CN204947554U (en) A kind of water injection well down-hole high pressure sealing cable junctions
CN210317234U (en) Plug-in type wellhead device for hanging continuous pipe cable
CN111894553A (en) Connecting device for underground liquid level monitoring and underground liquid level monitoring method
CN204461945U (en) A kind of device for detecting water repellent electric cable water resistance characteristic
CN111272627A (en) Well cementation cement slurry water invasion simulation evaluation instrument
CN204113278U (en) A kind of gas storage test string
CN207212303U (en) A kind of efficient sealed preventer for oil field gas production
CN215256158U (en) Layered packing high-fidelity monitoring system
CN204252845U (en) Be convenient to the segmented oil drill rocker of leakproof
CN104963645A (en) Cable-passing wellhead used for intelligent separated water injection of cable
CN212508129U (en) Air-tight screw-connected pipe joint
CN210269027U (en) Detection device for hydraulic packer
CN209510284U (en) A kind of measurable well head connection sealer of pressure
CN203626689U (en) Shaft mouth protection, seal and connection device
CN207019720U (en) Integrated measuring piecing devices for water-tight equipment
CN206816191U (en) A kind of outer change buckle joint in the construction for oil well
CN213807624U (en) Embedded casing head

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant