CN202755966U - Monitoring tool and testing tubular column for temperature fields and pressure fields of pit shaft - Google Patents
Monitoring tool and testing tubular column for temperature fields and pressure fields of pit shaft Download PDFInfo
- Publication number
- CN202755966U CN202755966U CN 201220444642 CN201220444642U CN202755966U CN 202755966 U CN202755966 U CN 202755966U CN 201220444642 CN201220444642 CN 201220444642 CN 201220444642 U CN201220444642 U CN 201220444642U CN 202755966 U CN202755966 U CN 202755966U
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- monitoring tool
- pressure
- fields
- pit shaft
- temperature
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Abstract
The utility model discloses a monitoring tool and a testing tubular column for temperature fields and pressure fields of a pit shaft. The monitoring tool for temperature fields and pressure fields of pit shaft comprises a body (2), an upper joint (1) and a lower joint (3) are respectively arranged at the upper end and the lower end of the body (2), the upper joint (1) and the lower joint (3) are used for connecting the body (2) with the testing tubular column, a plurality of grooves (4) are arranged on an outer wall of the body (2), and storage type electronic manometers are arranged in the grooves (4). The monitoring tool enters a pit along the testing tubular column to monitor pressure changes of environment air temperature, monitoring of environment air temperature pressure and data storage in a whole testing period can be achieved, underground data can be played back through software after completion of testing, and accordingly real data of pit shaft temperature pressure in the whole testing period can be obtained.
Description
Technical field
The utility model belongs to HTHP Oil/gas Well formation testing technical field, particularly HTHP pit shaft thermal field pressure field monitoring.
Background technology
There are at present a lot of theories and software to calculate the Wellbore Temperature Field pressure field, for the HTHP test period because after the HTHP formation fluid enters pit shaft, its phase transformation can cause thermal field and wellbore pressure distribution to change, thereby the flow behavior of fluid in impact and the change pit shaft, the temperature and pressure of pit shaft changes greatly, study general in the past adopts gas single-phase flow model to calculate, and the temperature and pressure height of not considering the pit shaft flow field is coupled, and causes result of calculation and on-site actual situations error larger.
Above-mentioned discussion content purpose is to introduce to the reader various aspects of technology that may be relevant with the various aspects of the present utility model that below will be described and/or advocate, believe that this discussion content helps to provide background information for the reader, to be conducive to understanding better various aspects of the present utility model, therefore, should be appreciated that it is to read these discussions with this angle, rather than admit prior art.
The utility model content
The purpose of this utility model is to provide a kind of HTHP pit shaft thermal field pressure field monitoring tool and test string, being used for monitoring test period annular space temperature, pressure changes, to describe more accurately the flowing law in the test period pit shaft, accurately proofread and correct temperature and pressure calculated value in the pit shaft.
The purpose of this utility model is achieved through the following technical solutions:
A kind of Wellbore Temperature Field pressure field monitoring tool is provided, comprise body, the top and bottom of body are respectively equipped with top connection and lower contact, described top connection and lower contact are used for described body is connected to test string, the outer wall of described body is provided with several grooves, is provided with memory electronic pressure gauge in the described groove.
Wherein, the diameter of described memory electronic pressure gauge is less than the degree of depth of groove.
Wherein, described memory electronic pressure gauge is fixed in the groove by alignment pin.
Wherein, the axially parallel of the length direction of described groove and described body.
Wherein, described several grooves are distributed on the outer wall of described body.
Wherein, described top connection is for being used for the box type joint of connecting test tubing string.
Wherein, lower contact is for being used for the pin thread type joint of connecting test tubing string.
A kind of test string is provided with one or more aforesaid Wellbore Temperature Field pressure field monitoring tool on the test string.
Main beneficial effect of the present utility model:
1) can monitor accurately the annular space temperature, pressure, and not affect the test effect.
2) can proofread and correct theory calculating and software calculated data according to the real data of record.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not consist of any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the axial cut-away view of Wellbore Temperature Field pressure field monitoring tool.
Fig. 2 is the radial cross-section of Wellbore Temperature Field pressure field monitoring tool.
Include in the drawings: 1---top connection, 2---body, 3---lower contact, 4---groove, 5---alignment pin.
The specific embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments the utility model is described in further detail, need to prove, in the situation that do not conflict, the application's embodiment and the feature among the embodiment can make up mutually.
Core of the present utility model is to provide a kind of HTHP pit shaft thermal field pressure field monitoring tool and test string, being used for monitoring test period annular space temperature, pressure changes, to describe more accurately the flowing law in the test period pit shaft, accurately proofread and correct temperature and pressure calculated value in the pit shaft.
As depicted in figs. 1 and 2, Wellbore Temperature Field pressure field monitoring tool described in the utility model, comprise body 2, body 2 is cylindrical, the top and bottom of described body 2 are respectively equipped with top connection 1 and lower contact 3, described top connection 1 and lower contact 3 are used for described body 2 is connected to test string, and wherein, described top connection 1 is for being used for the box type joint of connecting test tubing string.Lower contact 3 is for being used for the pin thread type joint of connecting test tubing string.The outer wall of described body 2 is provided with several grooves 4, is provided with the memory electronic pressure gauge (not shown) in the described groove 4, and a plurality of memory electronic pressure gauges of a plurality of grooves 4 can improve the accuracy of data.Described memory electronic pressure gauge is fixed in the groove 4 by alignment pin 5, and alignment pin 5 specifically can comprise alignment pin and lower alignment pin.The diameter of described memory electronic pressure gauge is less than the degree of depth of groove 4, and like this, groove is after installing memory electronic pressure gauge, and the external diameter of groove is no more than the external diameter of body.Described groove 4 can be two, three or more, the axially parallel of the length direction of groove 4 and described body 2, and described each groove 4 is distributed on the outer wall of described body 2.
A kind of test string is provided with one or more aforesaid Wellbore Temperature Field pressure field monitoring tool on the test string.In order to obtain the temperature variations of whole annular space during the test jobs, can be at the branched monitoring tool of whole test string design, so just can monitor test period annular space temperature, pressure True Data, after test finishes, trip out test string, the memory electronic pressure gauge data just can be passed through the software on ground playback, so just can obtain test period pit shaft true pressure temperature data.
Set forth a lot of details so that fully understand the utility model in the top description, still, the utility model can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as the restriction to the utility model protection domain.
In a word; although the utility model has exemplified above-mentioned preferred embodiment; but should illustrate; although those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included in the protection domain of the present utility model.
Claims (8)
1. Wellbore Temperature Field pressure field monitoring tool, comprise body (2), the top and bottom of body (2) are respectively equipped with top connection (1) and lower contact (3), described top connection (1) and lower contact (3) are used for described body (2) is connected to test string, it is characterized in that: the outer wall of described body (2) is provided with several grooves (4), and described groove is provided with memory electronic pressure gauge in (4).
2. Wellbore Temperature Field pressure field monitoring tool according to claim 1, it is characterized in that: the diameter of described memory electronic pressure gauge is less than the degree of depth of groove (4).
3. Wellbore Temperature Field pressure field monitoring tool according to claim 1, it is characterized in that: described memory electronic pressure gauge is fixed in the groove (4) by alignment pin.
4. Wellbore Temperature Field pressure field monitoring tool according to claim 1 is characterized in that: the axially parallel of the length direction of described groove (4) and described body (2).
5. Wellbore Temperature Field pressure field monitoring tool according to claim 4, it is characterized in that: described several grooves (4) are distributed on the outer wall of described body (2).
6. each described Wellbore Temperature Field pressure field monitoring tool in 5 according to claim 1, it is characterized in that: described top connection (1) is for being used for the box type joint of connecting test tubing string.
7. Wellbore Temperature Field pressure field monitoring tool according to claim 6 is characterized in that: lower contact (3) is for being used for the pin thread type joint of connecting test tubing string.
8. a test string is characterized in that: be provided with each described Wellbore Temperature Field pressure field monitoring tool in one or more claim 1 to 7 on the test string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220444642 CN202755966U (en) | 2012-09-04 | 2012-09-04 | Monitoring tool and testing tubular column for temperature fields and pressure fields of pit shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220444642 CN202755966U (en) | 2012-09-04 | 2012-09-04 | Monitoring tool and testing tubular column for temperature fields and pressure fields of pit shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202755966U true CN202755966U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220444642 Expired - Fee Related CN202755966U (en) | 2012-09-04 | 2012-09-04 | Monitoring tool and testing tubular column for temperature fields and pressure fields of pit shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202755966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828740A (en) * | 2012-09-04 | 2012-12-19 | 中国海洋石油总公司 | Monitoring tool for temperature field and pressure field of pit-shaft and testing tubular pile |
| CN104420866A (en) * | 2013-09-04 | 2015-03-18 | 中国石油天然气股份有限公司 | Interlayer interference testing method and device |
-
2012
- 2012-09-04 CN CN 201220444642 patent/CN202755966U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828740A (en) * | 2012-09-04 | 2012-12-19 | 中国海洋石油总公司 | Monitoring tool for temperature field and pressure field of pit-shaft and testing tubular pile |
| CN104420866A (en) * | 2013-09-04 | 2015-03-18 | 中国石油天然气股份有限公司 | Interlayer interference testing method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20200904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |