CN111894554A - 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 PDFInfo
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- CN111894554A CN111894554A CN202010911643.7A CN202010911643A CN111894554A CN 111894554 A CN111894554 A CN 111894554A CN 202010911643 A CN202010911643 A CN 202010911643A CN 111894554 A CN111894554 A CN 111894554A
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- 238000007789 sealing Methods 0.000 title claims abstract description 51
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000003044 adaptive effect Effects 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000005553 drilling Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 241000191291 Abies alba Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention provides an underground liquid level monitoring system with self-adaptive sealing of multiple sizes of pipe diameters. 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 liquid level monitoring system can seal pipe diameters of different sizes, replaces the traditional multi-size connecting joint, can ensure good sealing effect, can monitor the liquid level of a shaft in time, and is simple and convenient to operate and convenient to use.
Description
Technical Field
The invention belongs to the field of petroleum and natural gas drilling operation, and particularly relates to an underground liquid level monitoring system with self-adaptive sealing of multiple-size pipe diameters.
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.
Disclosure of Invention
In view of the deficiencies in the prior art, it is an object of the present invention to address one or more of the problems in the prior art as set forth above. For example, one of the objectives of the present invention is to provide a downhole fluid level monitoring system that is suitable for adaptive sealing of connections to downhole fluid level detectors under different pipe diameters.
In order to achieve the purpose, the invention provides a downhole liquid level monitoring system with self-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.
In an exemplary embodiment of the invention, the adaptive sealing body is in 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.
In an exemplary embodiment of the invention, the adaptive seal is made of an elastomeric material.
Compared with the prior art, the invention has the beneficial effects that:
(1) the monitoring system 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, and is simple and convenient to operate and convenient to use;
(2) the monitoring system has good sealing effect on the measured position interface, and avoids the problem of poor sealing after the traditional method of sealing by using towels, cotton yarns and the like.
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 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 fluid level monitoring system of multi-size pipe diameter adaptive sealing according to the invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.
The invention provides an underground liquid level monitoring system with self-adaptive sealing of multiple sizes of pipe diameters.
In an exemplary embodiment of the invention, the monitoring system may include a junction device and a wellbore level monitor coupled 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.
In conclusion, the liquid level monitoring system 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, and is simple and convenient to operate and 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911643.7A CN111894554A (en) | 2020-09-02 | 2020-09-02 | Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911643.7A CN111894554A (en) | 2020-09-02 | 2020-09-02 | Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system |
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| CN111894554A true CN111894554A (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010911643.7A Pending CN111894554A (en) | 2020-09-02 | 2020-09-02 | Multi-size pipe diameter self-adaptive sealing underground liquid level monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836305A (en) * | 1985-05-06 | 1989-06-06 | Pangaea Enterprises, Inc. | Drill pipes and casings utilizing multi-conduit tubulars |
| US20070028999A1 (en) * | 2005-06-22 | 2007-02-08 | Roger Bissonnette | Inflatable Elastomeric Plug For A Dual Containment Piping System |
| CN203394419U (en) * | 2013-08-07 | 2014-01-15 | 中国石油化工股份有限公司 | Multifunctional rapid connection device of wellhead |
| CN204114457U (en) * | 2014-09-17 | 2015-01-21 | 中航通飞华南飞机工业有限公司 | A kind of universal conduit seal plug |
| CN105569623A (en) * | 2015-12-16 | 2016-05-11 | 中国石油大学(北京) | Combined wellhead testing device for injection well and combined wellhead testing method |
| CN107069317A (en) * | 2017-05-26 | 2017-08-18 | 中兴通讯股份有限公司 | A kind of water proof and dust proof sealing shroud suitable for different profile connectors |
| CN206806599U (en) * | 2017-05-26 | 2017-12-26 | 中兴通讯股份有限公司 | A kind of water proof and dust proof sealing shroud suitable for different profile connectors |
| CN109253337A (en) * | 2018-11-23 | 2019-01-22 | 中铁局集团有限公司 | A kind of fast mounting pipe joint device and advanced tubule construction method |
| CN212389328U (en) * | 2020-09-02 | 2021-01-22 | 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 |
-
2020
- 2020-09-02 CN CN202010911643.7A patent/CN111894554A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836305A (en) * | 1985-05-06 | 1989-06-06 | Pangaea Enterprises, Inc. | Drill pipes and casings utilizing multi-conduit tubulars |
| US20070028999A1 (en) * | 2005-06-22 | 2007-02-08 | Roger Bissonnette | Inflatable Elastomeric Plug For A Dual Containment Piping System |
| CN203394419U (en) * | 2013-08-07 | 2014-01-15 | 中国石油化工股份有限公司 | Multifunctional rapid connection device of wellhead |
| CN204114457U (en) * | 2014-09-17 | 2015-01-21 | 中航通飞华南飞机工业有限公司 | A kind of universal conduit seal plug |
| CN105569623A (en) * | 2015-12-16 | 2016-05-11 | 中国石油大学(北京) | Combined wellhead testing device for injection well and combined wellhead testing method |
| CN107069317A (en) * | 2017-05-26 | 2017-08-18 | 中兴通讯股份有限公司 | A kind of water proof and dust proof sealing shroud suitable for different profile connectors |
| CN206806599U (en) * | 2017-05-26 | 2017-12-26 | 中兴通讯股份有限公司 | A kind of water proof and dust proof sealing shroud suitable for different profile connectors |
| CN109253337A (en) * | 2018-11-23 | 2019-01-22 | 中铁局集团有限公司 | A kind of fast mounting pipe joint device and advanced tubule construction method |
| CN212389328U (en) * | 2020-09-02 | 2021-01-22 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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