CN201246163Y - Leakage test apparatus of oil conduit - Google Patents
Leakage test apparatus of oil conduit Download PDFInfo
- Publication number
- CN201246163Y CN201246163Y CNU2008200275220U CN200820027522U CN201246163Y CN 201246163 Y CN201246163 Y CN 201246163Y CN U2008200275220 U CNU2008200275220 U CN U2008200275220U CN 200820027522 U CN200820027522 U CN 200820027522U CN 201246163 Y CN201246163 Y CN 201246163Y
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- CN
- China
- Prior art keywords
- oil pipe
- sealing ring
- sliding sleeve
- upper body
- sand
- 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.)
- Expired - Fee Related
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Abstract
An oil pipe leakage-examining device comprises an upper body, a sliding sleeve, a lower sealing ring, a lower body, a valve ball, a valve base, a sheering pin and an upper sealing ring, wherein the upper body is connected with the lower body, a communicating hole is formed on the upper body, the sliding sleeve is fixed in the upper body by the sheering pin, the communicating hole is covered with the sliding sleeve, the upper sealing ring and the lower sealing ring are sleeved on the sliding sleeve, the upper sealing ring is positioned above the communicating hole, the lower sealing ring is positioned under the communicating hole, the valve base is mounted at the lower part of the upper body, the valve ball is positioned on the valve base, and an annular channel is arranged between the upper body and the lower body. The diameter of the valve ball is less than the inner diameter of the sliding sleeve. The device can examine the sand washing oil pipe positioned in the well, simply and accurately check out the leakage parts of the sand washing oil pipe, conveniently analyze the abnormal cause of the sand wash, guarantee the normal sand wash, and can avoid the unsuccessful sand wash and the sand block of the sand washing oil pipe caused by the leakage of the oil pipe.
Description
One, technical field
The utility model belongs to the underground equipment that oil well repairing operation is used, particularly a kind of oil pipe leak testing device.
Two, background technology
In the oil-water well well workover, often need carry out shaft bottom sand washing operation, carrying out this operation is after descending the sand washing oil pipe more than the sand face of shaft bottom, to squeeze into sand cleaning fluid in the sand washing oil pipe, sand cleaning fluid has dashed sand from oil casing annular space and has returned out.The on-the-spot sand washing oil pipe that uses is a pressure testing oil pipe not, some is arranged with the also together G.I.H sand washing of the indiscoverable defective sand washing oil pipe of commonsense method, causes sand cleaning fluid to return out from the oil pipe leakage, and sand cleaning fluid arrive Sha Mianchu, therefore dash do not shake out next.Sometimes also can appear in the sand washing way and raise because of pressure, the sand washing oil pipe breaks from the weakness that damage is arranged, sand cleaning fluid returns out from rent, causes stuck sand washing oil pipe when dashing the sand sinking of also not returning out ground in the following oil casing annular space of rent, causes increasing the unfreezing workload.
Three, summary of the invention
The purpose of this utility model is a kind of oil pipe leak testing device of design, makes it can verify whether the sand washing oil pipe misses.
The purpose of this utility model is achieved in that by upper body, sliding sleeve, lower sealing ring, lower body, valve ball, valve seat, cuts off pin, upper sealing ring is formed, the upper body connects with lower body, linked hole is arranged on the upper body, sliding sleeve is fixed in the upper body by cutting off pin, sliding sleeve covers linked hole, suit upper sealing ring and lower sealing ring on the sliding sleeve, upper sealing ring is on the linked hole, lower sealing ring is under the linked hole, valve seat is installed in the bottom, upper body, valve ball is on the valve seat, between upper body and the lower body circular passage is arranged.
The diameter of valve ball is less than sliding sleeve internal diameter.
The beneficial effects of the utility model are: can test to the sand washing oil pipe of G.I.H, can simply check out accurately sand washing oil pipe leakage position, the convenient abnormal reason of sand washing of analyzing guarantees normal sand washing, avoids the oil pipe leakage to cause the unsuccessful and sand card sand washing oil pipe of sand washing.
Four, description of drawings
Accompanying drawing is a general assembly drawing of the present utility model.
Five, the specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
By upper body 1, sliding sleeve 2, lower sealing ring 3, lower body 4, valve ball 5, valve seat 6, cut off pin 7, upper sealing ring 8 is formed, upper body 1 connects with lower body 4, linked hole 9 is arranged on the upper body 1, sliding sleeve 2 is fixed in the upper body 1 by cutting off pin 7, sliding sleeve 2 covers linked hole 9, suit upper sealing ring 8 and lower sealing ring 3 on the sliding sleeve 2, upper sealing ring 8 is on the linked hole 9, lower sealing ring 3 is under the linked hole 9, valve seat 6 is installed in 1 bottom, upper body, valve ball 5 is on the valve seat 6, between upper body 1 and the lower body 4 circular passage 10 is arranged.The diameter of valve ball 5 is less than sliding sleeve 2 internal diameters.1 top, upper body is the oil pipe box, and lower body 4 bottoms are the oil pipe pin thread.
During following sand washing oil pipe, earlier the valve ball in the utility model 5 is taken out, it is connected in the bottom of sand washing tubing string again, sand cleaning fluid can install downward sand washing by this smoothly.During sand washing, water is fast if oil casing annular space returns, sand dashes not go down, and just can suspect that the sand washing oil pipe leaks.Valve ball 5 is put in the sand washing oil pipe, and on valve seat 6, blocking channel makes the oil pipe on the utility model airtight to valve ball 5, then to the pressure testing of sand washing oil pipe by sliding sleeve 2 back seats.Do not rise as pressure test pressure, illustrate that the sand washing oil pipe leaks, need to propose the sand washing oil pipe.Near several sand washing oil pipes that the place that liquid level is arranged in mentioning the sand washing oil pipe, scrutiny are herein just can be found out the leakage oil pipe, need not check all sand washing oil pipes that propose, and therefore can simply check out accurately sand washing oil pipe leakage position.The following sand washing oil pipe of liquid level is qualified oil pipe, can continue to use, and needn't propose ground.For the qualified oil pipe that leakage is sentenced does not down propose ground, in oil pipe, drop into and clash into head, that cuts off fixing sliding sleeve 2 under impact force action cuts off pin 7, and the sliding sleeve 2 descending linked holes 9 that no longer cover will be opened by the passage that valve ball 5 stops up.After passage was opened, liquid level descended, and continued sand washing oil pipe down then.Raising and the energy voltage stabilizing as pressure test pressure, illustrate that the sand washing oil pipe does not leak, is qualified sand washing oil pipe, has got rid of the factor that the sand washing oil pipe leaks, and need find out the abnormal reason of sand washing from others.Therefore, use the utility model sand washing can conveniently analyze the abnormal reason of sand washing.
Claims (3)
1, a kind of oil pipe leak testing device, by upper body (1), sliding sleeve (2), lower sealing ring (3), lower body (4), valve ball (5), valve seat (6), cut off pin (7), upper sealing ring (8) is formed, it is characterized in that: upper body (1) connects with lower body (4), linked hole (9) is arranged on the upper body (1), sliding sleeve (2) is fixed in the upper body (1) by cutting off pin (7), sliding sleeve (2) covers linked hole (9), sliding sleeve (2) is gone up suit upper sealing ring (8) and lower sealing ring (3), upper sealing ring (8) is on the linked hole (9), lower sealing ring (3) is under the linked hole (9), valve seat (6) is installed in bottom, upper body (1), valve ball (5) is on the valve seat (6), between upper body (1) and the lower body (4) circular passage (10) is arranged.
2, oil pipe leak testing device according to claim 1 is characterized in that: the diameter of valve ball (5) is less than sliding sleeve (2) internal diameter.
3, oil pipe leak testing device according to claim 1 is characterized in that: top, upper body (1) is the oil pipe box, and lower body (4) bottom is the oil pipe pin thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200275220U CN201246163Y (en) | 2008-08-28 | 2008-08-28 | Leakage test apparatus of oil conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200275220U CN201246163Y (en) | 2008-08-28 | 2008-08-28 | Leakage test apparatus of oil conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246163Y true CN201246163Y (en) | 2009-05-27 |
Family
ID=40729983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200275220U Expired - Fee Related CN201246163Y (en) | 2008-08-28 | 2008-08-28 | Leakage test apparatus of oil conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246163Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015933A (en) * | 2012-12-11 | 2013-04-03 | 中国石油天然气股份有限公司 | Sand washing and sand salving integrated tubular column and method for oil well |
| CN103696716A (en) * | 2013-11-12 | 2014-04-02 | 湖北中南勘察基础工程有限公司 | Deep hole bottom powder fishing device |
| CN108240218A (en) * | 2016-12-27 | 2018-07-03 | 中国石油化工股份有限公司 | Underground work is multi-functional to test piping tool |
-
2008
- 2008-08-28 CN CNU2008200275220U patent/CN201246163Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015933A (en) * | 2012-12-11 | 2013-04-03 | 中国石油天然气股份有限公司 | Sand washing and sand salving integrated tubular column and method for oil well |
| CN103015933B (en) * | 2012-12-11 | 2015-07-08 | 中国石油天然气股份有限公司 | Sand washing and sand salving integrated tubular column and method for oil well |
| CN103696716A (en) * | 2013-11-12 | 2014-04-02 | 湖北中南勘察基础工程有限公司 | Deep hole bottom powder fishing device |
| CN108240218A (en) * | 2016-12-27 | 2018-07-03 | 中国石油化工股份有限公司 | Underground work is multi-functional to test piping tool |
| CN108240218B (en) * | 2016-12-27 | 2023-06-13 | 中国石油化工股份有限公司 | Multifunctional pipe inspection tool for underground operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 |