CN202900259U - Simple oil well casing string pressure testing device - Google Patents
Simple oil well casing string pressure testing device Download PDFInfo
- Publication number
- CN202900259U CN202900259U CN 201220620366 CN201220620366U CN202900259U CN 202900259 U CN202900259 U CN 202900259U CN 201220620366 CN201220620366 CN 201220620366 CN 201220620366 U CN201220620366 U CN 201220620366U CN 202900259 U CN202900259 U CN 202900259U
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- Prior art keywords
- oil well
- pressure
- well casing
- pressure testing
- casing string
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- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a simple oil well casing string pressure testing device which comprises a pipe body. One end of the pipe body is sealed, and threads are formed on the inner wall of the other end of the pipe body. A pressure testing pump interface, a pressure sensor interface and a pressure relief interface which are communicated with the inside of the pipe body are sequentially arranged on one side of the pipe body up and down. Through an external pressure testing pump and a pressure testing recorder, the simple oil well casing string pressure testing device can accurately measure and indicate the pressure variation inside an oil well casing string and the condition of sealing with pressure. The conditions that an oil well casing head and a double male joint are wrong buckled and can not test pressure in mounting and pressure testing are avoided, technicists can find abnormal sealing of the oil well casing string at an early period, so that measures are taken timely, well completion period is shortened, and the waiting and halting time of a drilling machine is shortened.
Description
Technical field
The utility model relates to a kind of mechanical device that the oil well casing string is carried out pressure testing, especially a kind of simple and easy oil well casing string pressure testing device.
Background technology
At present after the setting of casing well cementation, for fear of the accidents such as the bunch tube pressure testing is defective occur, need in time to understand the sealing situation of oil well casing string, accurately judge the situations such as oil well casing seal with screwed joint, the interior cement plug pressure-resistant seal of sleeve pipe, in order to make the technician just can find that in early days bunch tube leakage etc. is unusual, in time take measures.Current practice is to install blowout preventer to utilize kill manifold to casing pressure test, this pressure-measuring method stand-by period long (usually reaching more than 24 hours), and thread alternating occurs and try not live the situation of pressing in casing head and the double male joint installation pressure testing happening occasionally, this thing happens needs to change casing head or double male joint, and then need again dismounting blowout preventer, whole operation process needs 1 day left and right sides time, and therefore existing casing head pressure-measuring method needed between the long stopping times such as rig.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of convenient, accurate, reliable simple and easy oil well casing string pressure testing device.
In order to solve the problems of the technologies described above, the utility model comprises a body, described body one end sealing is formed with screw thread on the other end outer wall, and this body one side is disposed with up and down hydraulic test pump interface, pressure sensor interface and the pressure release interface that is connected with body inside.
The outer middle side part of described body sealed end is provided with a drop handle.
The utility model is by external hydraulic test pump and pressure testing recorder, can accurate-metering indication oil well casing string internal pressure change and band means of press seals situation, the situation of avoiding casing head and double male joint thread alternating to occur in pressure testing is installed and trying incessantly to press occurs, make the technician just can find that in early days the sealing of oil well casing string is unusual, thereby in time take measures, shorten completion period, between the stopping times such as minimizing rig.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the structural representation of the simple and easy oil well casing string of the utility model pressure testing device;
Fig. 2 is that the utility model is installed in the structural representation on the oil well casing string.
The specific embodiment
Referring to Fig. 1 and Fig. 2, simple and easy oil well casing string pressure testing device of the present utility model comprises a body 1, described pipe 1 body one end sealing, be formed with screw thread 2 on the other end outer wall, these body 1 one sides are disposed with up and down hydraulic test pump interface 3, pressure sensor interface 4 and the pressure release interface 5 that is connected with body 1 inside.
The outer middle side part of described body 1 sealed end is provided with a drop handle 6.
Operating principle of the present utility model is:
After being installed in the utility model device on the oil well casing string 7, hydraulic test pump is connected with pressure sensor interface 4 with hydraulic test pump interface 3 respectively with pressure sensor, described hydraulic test pump output is provided with a pressure meter, described pressure sensor is connected with a pressure testing recorder, and described pressure release interface 5 is in sealing state.
Hydraulic test pump is gradually to oil well casing string 7 interior injection clear water, rising with oil well casing string 7 internal pressures, the pressure of pressure meter pointer indication also increases thereupon gradually, pressure testing recorder real time record oil well casing string internal pressure and pressure can reflect accurately that with the curve that changes oil well casing string 7 internal pressures change and band means of press seals situation.
When 7 pressure testings of oil well casing string are defective, the pressure testing data of pressure testing recorder output can in time feed back to the field technician, operation team is in time taken measures, avoiding occurring casing head and double male joint thread alternating occurs and tries not live the situation of pressing occuring in pressure testing is installed, thereby shorten completion period, between the stopping times such as minimizing rig.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but these embodiment are included within the scope of the present utility model.
Claims (2)
1. simple and easy oil well casing string pressure testing device, it is characterized in that: comprise a body (1), described body (1) one end sealing, be formed with screw thread (2) on the other end outer wall, this body (1) one side is disposed with up and down hydraulic test pump interface (3), pressure sensor interface (4) and the pressure release interface (5) that is connected with body (1) inside.
2. according to simple and easy oil well casing string pressure testing device claimed in claim 1, it is characterized in that: the outer middle side part of described body (1) sealed end is provided with a drop handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620366 CN202900259U (en) | 2012-11-21 | 2012-11-21 | Simple oil well casing string pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620366 CN202900259U (en) | 2012-11-21 | 2012-11-21 | Simple oil well casing string pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900259U true CN202900259U (en) | 2013-04-24 |
Family
ID=48120942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220620366 Expired - Fee Related CN202900259U (en) | 2012-11-21 | 2012-11-21 | Simple oil well casing string pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541729A (en) * | 2013-08-02 | 2014-01-29 | 常士章 | Device for air pressure oil well tubular column leak hunting |
| CN106979890A (en) * | 2017-05-25 | 2017-07-25 | 日丰企业集团有限公司 | Pressure testing instrument and pressure testing system |
| CN109374217A (en) * | 2018-12-07 | 2019-02-22 | 中国石油集团渤海钻探工程有限公司 | A kind of accurate HSE pressure-measuring method of small volume short tube line of cementing concrete truck |
-
2012
- 2012-11-21 CN CN 201220620366 patent/CN202900259U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541729A (en) * | 2013-08-02 | 2014-01-29 | 常士章 | Device for air pressure oil well tubular column leak hunting |
| CN106979890A (en) * | 2017-05-25 | 2017-07-25 | 日丰企业集团有限公司 | Pressure testing instrument and pressure testing system |
| CN109374217A (en) * | 2018-12-07 | 2019-02-22 | 中国石油集团渤海钻探工程有限公司 | A kind of accurate HSE pressure-measuring method of small volume short tube line of cementing concrete truck |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20171121 |