CN204175279U - A kind of test rigidity weighted lever - Google Patents
A kind of test rigidity weighted lever Download PDFInfo
- Publication number
- CN204175279U CN204175279U CN201420472877.6U CN201420472877U CN204175279U CN 204175279 U CN204175279 U CN 204175279U CN 201420472877 U CN201420472877 U CN 201420472877U CN 204175279 U CN204175279 U CN 204175279U
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- balance weight
- weight body
- weighted lever
- test
- top connection
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Abstract
The utility model relates to a kind of test rigidity weighted lever, belong to oilfield test system matching device technical field, be made up of top connection and balance weight body, balance weight body comprises balance weight body and lower balance weight body, upper balance weight body and lower balance weight body are plugged to one mutually, and are fixedly connected with by pin; Top connection is threaded with upper balance weight body.In oil water well test, if be hampered in weighted lever tubing string, fluid can continue through the guiding gutter in balance weight body, avoids blocking fluid passage and forms pressure reduction, further stuck weighted lever; If weighted lever is stuck, when applying certain pulling force to weighted lever, pin just can be cut off, thus unfreezing.Both protected cable, and turn avoid instrument and to fall well, avoid a large amount of economic losses.
Description
Technical field
The utility model relates to a kind of test rigidity weighted lever, belongs to oilfield test system matching device technical field.
Background technology
At present in oil water well test, the part instrument tip mounting weighted lever identical with instrument external diameter is gone into the well, and for the resistance overcoming pulley, blowout hookup produces the frictional force of cable and pit shaft inside and outside differential pressure, is convenient to instrument and goes into the well.In a large amount of test process, the weighted lever meeting instrument mounting on occasion is hampered at the tool location such as packer, injection well downhole flow regulator, the downhole tool of same model, because manufacturer is different, in it, latus rectum also can be different, if latus rectum is close in the external diameter of weighted lever and instrument, may block fluid passage after weighted lever is hampered, pressure reduction is formed in annular space, easy by stuck for weighted lever bottom under pressure.Tubing string distortion in addition, wax deposition is serious, and the factors such as nonstandard downhole tool also can cause weighted lever possibility stuck, once can only break cable after stuck, instrument is salvaged in operation.Cable may be scrapped after breaking, instrument waits for that fishing is to taking out the time needing several days, may damage under the environment of the HTHP in shaft bottom, and the operation in tubing string of longer instrumentation card also has the risk of certain damage instrument, once occur falling that well accident all can cause economic loss.
Rigidity weighted lever disclosed in ZL201120478071.4, can only be fixed on logging cable position mainly for existing weighted lever, can not design the deficiency that other positions are increased the weight of.The top connection that it comprises sleeve, described sleeve two ends connect respectively and center tap, the lower contact that described center tap is flexibly connected, wherein, weight cylinder is equipped with in sleeve, cone block is equipped with in lower contact, sleeve is threaded connection top connection and center tap, and center tap is threaded connection lower contact equally.By loosening, tightening the connecting thread between center tap and lower contact, the relative position that change cone block and logging cable clamp, what meet logging cable different parts increases the weight of requirement, completes production operation.The design but this weighted lever is not threaded off, after weighted lever meets card, may break cable and cause instrument to fall the accident of well after pulling cable unfreezing by force.
Summary of the invention
The purpose of this utility model is to solve after weighted lever meets card, may breaking cable in unfreezing process, causes instrument to fall the problem of well, provides a kind of test rigidity weighted lever.
The purpose of this utility model is achieved in that
The utility model is made up of top connection and balance weight body, and balance weight body comprises balance weight body and lower balance weight body, and upper balance weight body and lower balance weight body are plugged to one mutually, and are fixedly connected with by pin; Top connection is threaded with upper balance weight body.
The beneficial effects of the utility model are: in oil water well test, if be hampered in weighted lever tubing string, fluid can continue through the guiding gutter in balance weight body, avoid blocking fluid passage and form pressure reduction, further stuck weighted lever; If weighted lever is stuck, when applying certain pulling force to weighted lever, pin just can be cut off, thus unfreezing.Both protected cable, and turn avoid instrument and to fall well, avoid a large amount of economic losses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Detailed description of the invention
As shown in Figure 1, the utility model is made up of top connection 1 and balance weight body, and balance weight body comprises balance weight body 2a and lower balance weight body 2b, upper balance weight body 2a and lower balance weight body 2b and is mutually plugged to one, and is fixedly connected with by pin 3; Top connection 1 is threaded with upper balance weight body 2a.
The outer wall of described lower balance weight body 2b is evenly equipped with two or three guiding gutters 4.
During use, the shearing force of setting pin 3, the utility model is articulated in the end of tester end or conventional weighted lever, in the process of going into the well, if be hampered during the less position of latus rectum in the packer of weighted lever in tubing string, injection well downhole flow regulator etc., borehole fluid can pass through from the guiding gutter 4 on lower balance weight body 2b, avoids weighted lever to be hampered and blocks fluid passage thus in tubing string, form pressure reduction, further stuck weighted lever; If tubing string distortion, the reasons such as wax deposition is serious cause weighted lever stuck in tubing string, when applying certain pulling force by cable to weighted lever, pin 3 just can be cut off under the shearing force of setting, thus unfreezing, avoids cable and breaks and cause instrument to fall the generation of the accidents such as well.
Claims (2)
1. a test rigidity weighted lever, be made up of top connection (1) and balance weight body, it is characterized in that: balance weight body comprises balance weight body (2a) and lower balance weight body (2b), upper balance weight body (2a) and lower balance weight body (2b) are plugged to one mutually, and are fixedly connected with by pin (3); Top connection (1) is threaded with upper balance weight body (2a).
2. one test rigidity weighted lever according to claim 1, is characterized in that: the outer wall of described lower balance weight body (2b) is evenly equipped with two or three guiding gutters (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472877.6U CN204175279U (en) | 2014-08-20 | 2014-08-20 | A kind of test rigidity weighted lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472877.6U CN204175279U (en) | 2014-08-20 | 2014-08-20 | A kind of test rigidity weighted lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175279U true CN204175279U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472877.6U Active CN204175279U (en) | 2014-08-20 | 2014-08-20 | A kind of test rigidity weighted lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU183975U1 (en) * | 2018-08-13 | 2018-10-11 | Тимур Рустамович Акчурин | DEVICE FOR FIXING A CABLE TO A PIPE COLUMN AND PROTECTING THE CABLE FROM MECHANICAL DAMAGE |
| CN115398077A (en) * | 2020-03-30 | 2022-11-25 | 狩猎巨人公司 | Threading type modularization weight bar |
-
2014
- 2014-08-20 CN CN201420472877.6U patent/CN204175279U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU183975U1 (en) * | 2018-08-13 | 2018-10-11 | Тимур Рустамович Акчурин | DEVICE FOR FIXING A CABLE TO A PIPE COLUMN AND PROTECTING THE CABLE FROM MECHANICAL DAMAGE |
| CN115398077A (en) * | 2020-03-30 | 2022-11-25 | 狩猎巨人公司 | Threading type modularization weight bar |
| CN115398077B (en) * | 2020-03-30 | 2023-10-03 | 狩猎巨人公司 | Wearing type modularized weighting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |