CN203308452U - Pulser pressure compensating device - Google Patents
Pulser pressure compensating device Download PDFInfo
- Publication number
- CN203308452U CN203308452U CN201320268605XU CN201320268605U CN203308452U CN 203308452 U CN203308452 U CN 203308452U CN 201320268605X U CN201320268605X U CN 201320268605XU CN 201320268605 U CN201320268605 U CN 201320268605U CN 203308452 U CN203308452 U CN 203308452U
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- CN
- China
- Prior art keywords
- piston
- hole
- compensating
- pulser
- installing hole
- 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
The utility model relates to a pulser pressure compensating device. The pulser pressure compensating device comprises a compensating cylinder and a piston, two eccentric holes are formed in the compensating cylinder in the axial direction, one eccentric hole is a piston installation hole, the other eccentric hole is an oil compensating hole, and a compensating hole is formed in the portion, at the right end of the piston installation hole, of the compensating cylinder in the radial direction; the piston is located in the piston installation hole, an O-type sealing ring is arranged between the piston and the piston installation hole, one end of the compensating hole is communicated with the piston installation hole, and the other end of the compensating hole is communicated with the external portion of the compensating cylinder. The pulser pressure compensating device has the advantages of being capable of eliminating the influence that a rubber piece is prone to damage, reasonable in structure, stable, reliable, and capable of prolonging the service life of a wireless drilling inclinometer.
Description
Technical field
The utility model relates to a kind of pulser pressure compensator.
Background technology
Wireless drilling inclinometers is widely used in the petroleum industry exploration and development at present, is indispensable instrument in the oil and gas well drilling engineering.Wireless drilling inclinometers pulser pressure compensator is the vitals that guarantees pulser sealing and reliable in action.Current wireless drilling inclinometers pulser pressure compensator, all adopt rubber compensate film and bellows to carry out existing pressure balance, but rubber element very easily damages with aging, affects the reliability of instrument.
The utility model content
The purpose of this utility model is to provide a kind of pulser pressure compensator, to overcome the currently available technology above shortcomings.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of pulser pressure compensator, comprise compensating cylinder and piston, described compensating cylinder has two eccentric orfices vertically, and one of them eccentric orfice is the piston installing hole, another eccentric orfice is the repairing hole, and described compensating cylinder radially is provided with compensate opening at the right-hand member of piston installing hole; Described piston is positioned at the piston installing hole.
Further, between described piston and piston installing hole, be provided with the O RunddichtringO.
Further, an end of described compensate opening communicates with the piston installing hole, the other end of compensate opening and the exterior of compensating cylinder.
The beneficial effects of the utility model are: get rid of rubber parts and held flimsy impact, and rational in infrastructure, reliable and stable, the application life of having improved wireless drilling inclinometers.
The accompanying drawing explanation
Below with reference to the accompanying drawings the utility model is described in further detail.
Fig. 1 is the structural representation of the described a kind of pulser pressure compensator of the utility model embodiment.
In figure:
1, compensating cylinder; 2, piston; 3, O RunddichtringO; 4, compensate opening; 5, repairing hole; 6, piston installing hole.
The specific embodiment
As shown in Figure 1, the described a kind of pulser pressure compensator of the utility model embodiment, comprise compensating cylinder 1 and piston 2, described compensating cylinder 1 has two eccentric orfices vertically, one of them eccentric orfice is piston installing hole 6, another eccentric orfice is repairing hole 5, and described compensating cylinder 1 radially is provided with compensate opening 4 at the right-hand member of piston installing hole 6; Described piston 2 is positioned at piston installing hole 6, is provided with O RunddichtringO 3 between described piston 2 and piston installing hole 6, and an end of described compensate opening 4 communicates with piston installing hole 6, the exterior of the other end of compensate opening 4 and compensating cylinder 1.Described piston 2 can freely-movable vertically in piston installing hole 6, and O-ring seals 3 is used for guaranteeing the sealing between piston 2 and compensating cylinder 1.
When in instrument, being full of silicone oil, described piston 2 moves to the right-hand member of piston installing hole 6.
When instrument was gone into the well, the pressure acting in conjunction that described piston 2 two ends are subject to the interior silicone oil of instrument and the outside drilling fluid of instrument was issued to balance.
When instrument internal occur to be leaked or is produced pressure in bubbles and descends, piston 2 in instrument silicone oil and the outside poor effect of drilling liquid pressure under move to left, make the instrument external and internal pressure again reach balance.
When silicone oil in instrument raises due to the temperature rising bulbs of pressure, piston 2 in instrument silicone oil and the outside poor effect of drilling liquid pressure under move to right, make the instrument external and internal pressure again reach balance.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but on its shape or structure, do any variation; every have identical with a application or akin technical scheme, within all dropping on protection domain of the present utility model.
Claims (3)
1. pulser pressure compensator, comprise compensating cylinder (1) and piston (2), it is characterized in that: described compensating cylinder (1) has two eccentric orfices vertically, one of them eccentric orfice is piston installing hole (6), another eccentric orfice is repairing hole (5), and described compensating cylinder (1) radially is provided with compensate opening (4) at the right-hand member of piston installing hole (6); Described piston (2) is positioned at piston installing hole (6).
2. a kind of pulser pressure compensator according to claim 1, is characterized in that: be provided with O RunddichtringO (3) between described piston (2) and piston installing hole (6).
3. a kind of pulser pressure compensator according to claim 1 and 2, it is characterized in that: an end of described compensate opening (4) communicates with piston installing hole (6), the exterior of the other end of compensate opening (4) and compensating cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320268605XU CN203308452U (en) | 2013-05-17 | 2013-05-17 | Pulser pressure compensating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320268605XU CN203308452U (en) | 2013-05-17 | 2013-05-17 | Pulser pressure compensating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203308452U true CN203308452U (en) | 2013-11-27 |
Family
ID=49614668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320268605XU Expired - Fee Related CN203308452U (en) | 2013-05-17 | 2013-05-17 | Pulser pressure compensating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203308452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464648A (en) * | 2015-12-28 | 2016-04-06 | 北京市普利门机电高技术公司 | Pulser balancing piston assembly and pulser provided with same |
| CN109372496A (en) * | 2017-11-22 | 2019-02-22 | 中国石油化工股份有限公司 | Water injection well impulse generator high pressure self compensation mechanism |
-
2013
- 2013-05-17 CN CN201320268605XU patent/CN203308452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464648A (en) * | 2015-12-28 | 2016-04-06 | 北京市普利门机电高技术公司 | Pulser balancing piston assembly and pulser provided with same |
| CN109372496A (en) * | 2017-11-22 | 2019-02-22 | 中国石油化工股份有限公司 | Water injection well impulse generator high pressure self compensation mechanism |
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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: 20131127 Termination date: 20150517 |
|
| EXPY | Termination of patent right or utility model |