CN204357426U - Cross drilling tool memory-type caliper logging tool balanced structure - Google Patents
Cross drilling tool memory-type caliper logging tool balanced structure Download PDFInfo
- Publication number
- CN204357426U CN204357426U CN201420767883.4U CN201420767883U CN204357426U CN 204357426 U CN204357426 U CN 204357426U CN 201420767883 U CN201420767883 U CN 201420767883U CN 204357426 U CN204357426 U CN 204357426U
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- China
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- transmission mechanism
- shell
- connecting base
- pull bar
- end joint
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Abstract
The utility model discloses one and cross drilling tool memory-type caliper logging tool balanced structure, comprise end joint, shell, lower end joint and transmission mechanism, transmission mechanism top is connected with upper end joint, the electronic circuit being provided with potentiometer in shell and being connected with potentiometer, potentiometer is connected with expansion link, and expansion link is connected with transmission mechanism bottom, when transmission mechanism is by borehole wall extruding, transmission mechanism drives expansion link motion, and lower end connector is fixedly connected with body seal.The utility model does not need the mode of oiling, just can reach pressure balanced object, the I& M difficulty of lowering apparatus.
Description
Technical field
The utility model relates to one and crosses drilling tool memory-type caliper logging tool, particularly relates to one and crosses drilling tool memory-type caliper logging tool Novel balance structure.
Background technology
Crossing drilling tool memory-type caliper logging tool is a kind of logger measuring pit shaft diameter, existing caliper logging tool all adopts pressure balanced frame mode, namely in the inner chamber installing potentiometer, hydraulic oil is filled, in order to balance the pressure of down-hole, the expansion link on potentiometer is made not to be subject to the impact of down-hole pressure.
There is two problems in this frame mode: 1, pressure balance is not absolute, and the transmission of pressure can exist a hysteresis quality, and the light and heavy degree of this hysteresis quality can cause the mistake of potentiometer to survey and even damage; 2, pressure balance requires very high to oiling, after having noted oil, requires very strict, increase the difficulty of I& M to a certain extent to the air content in oil pocket.
Summary of the invention
The purpose of this utility model is the problems referred to above overcoming prior art existence, provides a kind of and crosses drilling tool memory-type caliper logging tool balanced structure.The utility model does not need the mode of oiling, just can reach pressure balanced object, the I& M difficulty of lowering apparatus.
For achieving the above object, the technical solution adopted in the utility model is as follows:
One crosses drilling tool memory-type caliper logging tool balanced structure, it is characterized in that: comprise end joint, shell, lower end joint and transmission mechanism, transmission mechanism top is connected with upper end joint, the electronic circuit being provided with potentiometer in shell and being connected with potentiometer, potentiometer is connected with expansion link, and expansion link is connected with transmission mechanism bottom, when transmission mechanism is by borehole wall extruding, transmission mechanism drives expansion link motion, and lower end connector is fixedly connected with body seal.
Described transmission mechanism comprises mechanical arm and pull bar, the mechanical arm one end of inwardly shrinking by borehole wall extruding is connected on upper end joint, the other end is connected on pull bar, upper end joint sealing is fixedly connected with connecting axle, connecting axle has been sealedly and fixedly connected Connection Block, Connection Block and shell inner cavity upper end are sealedly and fixedly connected, and pull bar to be arranged in Connection Block and to be connected with expansion link.
Described Connection Block comprises upper connecting base and lower connecting base, and connecting axle and upper connecting base are sealedly and fixedly connected, and lower connecting base and shell inner cavity upper end are sealedly and fixedly connected, and pull bar top is positioned at upper connecting base, and bottom is positioned at lower connecting base.
Be provided with spring energy-storage circle in described lower connecting base, spring energy-storage circle is between pull bar and lower connecting base.
Described mechanical arm is connected with upper end joint by the first pin, is connected with pull bar by the second pin.
Described lower connecting base and shell are for being threaded, and lower end joint is connected with shell by screw thread.
Employing the utility model has the advantage of:
One, the utility model does not need to improve electronic circuit, only improve for frame for movement, the potentiometer mainly solving drilling tool caliper logging tool needs the problem of oiling, when mechanical arm is subject to thrust, mechanical arm is drawn close to connecting axle, promote pull bar motion simultaneously, and the two ends of pull bar are communicated with instrument internal, namely the power that the two ends of pull bar are subject to is the same, therefore, instrument just need not can reach pressure balance by the mode of oiling, does not need the frame mode of oiling, convenient for assembly and maintenance.
Two, the utility model is applied to Oil/gas Well logging operation, significantly can promote the well logging construction operation ability of well logging squad slim hole well, make instrument can meet in high hole deviation well, large span horizontal well, wellbore instability, the peupendicular hole construction demand under serious undergauge and other severe borehole condition.
Three, in the utility model, be provided with spring energy-storage circle in lower connecting base, spring energy-storage circle, between pull bar and lower connecting base, can regulate the sealing effectiveness between Connection Block and shell by spring energy-storage circle, ensure that the reliability of sealing.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Be labeled as in figure: 1, upper end joint, the 2, first sealing ring, the 3, first pin, 4, connecting axle, 5, mechanical arm, the 6, second sealing ring, 7, Connection Block, the 8, second pin, 9, pull bar, 10, spring energy-storage circle, 11, potentiometer, 12, electronic circuit, 13, shell, 14, the 3rd sealing ring, 15 times end joints.
Detailed description of the invention
Embodiment 1
One crosses drilling tool memory-type caliper logging tool balanced structure, comprise end joint 1, potentiometer 11, electronic circuit 12, shell 13, lower end joint 15 and transmission mechanism, transmission mechanism top is connected with upper end joint 1, the electronic circuit 13 being provided with potentiometer 11 in shell 13 and being connected with potentiometer 11, potentiometer 11 is connected with expansion link, expansion link is connected with transmission mechanism bottom, when transmission mechanism is by borehole wall extruding, transmission mechanism drives expansion link motion, and lower end connector 15 and shell 13 are sealedly and fixedly connected.
In the present embodiment, described transmission mechanism comprises mechanical arm 5 and pull bar 9, mechanical arm 5 one end of inwardly shrinking by borehole wall extruding is connected on upper end joint 1, the other end is connected on pull bar 9, upper end joint 1 has been sealedly and fixedly connected connecting axle 4, connecting axle 4 has been sealedly and fixedly connected Connection Block 7, and Connection Block 7 and shell 13 inner chamber upper end are sealedly and fixedly connected, and pull bar 9 to be arranged in Connection Block 7 and to be connected with expansion link.
In the present embodiment, described Connection Block 7 comprises upper connecting base and lower connecting base, and connecting axle 4 and upper connecting base are sealedly and fixedly connected, and lower connecting base and shell 13 inner chamber upper end are sealedly and fixedly connected, and pull bar 9 top is positioned at upper connecting base, and bottom is positioned at lower connecting base.
In the present embodiment, be provided with spring energy-storage circle 10 in described lower connecting base, spring energy-storage circle 10 is between pull bar 9 and lower connecting base.
In the present embodiment, described mechanical arm 5 is connected with upper end joint 1 by the first pin 3, is connected with pull bar 9 by the second pin 8.When after the power that mechanical arm 5 is pushed, mechanical arm 5 can promote pull bar 9 and axially move in Connection Block 7.When pull bar 9 starts to axially move, the expansion link on potentiometer 11 also does axially-movable.
In the present embodiment, described lower connecting base and shell 13 are for being threaded, and lower end joint is connected with shell 13 by screw thread.
After adopting the utility model, pushing mechanical arm, the pull bar be connected with mechanical arm starts to axially move, thus the expansion link on drive potentiometer also does axially-movable, the resistance of potentiometer inside is changed, and after electronic circuit process, the curve on platform does corresponding change.Decontrol mechanical arm, the curve on platform replys reset condition.
Embodiment 2
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in drawings, this drilling tool memory-type caliper logging tool of crossing mainly comprises end joint 1, the first sealing ring 2, first pin 3, connecting axle 4, mechanical arm 5, second sealing ring 6, Connection Block 7, the second pin 8, pull bar 9, spring energy-storage circle 10, potentiometer 11, electronic circuit 12, shell 13, the 3rd sealing ring 14, lower end joint 15.
Upper end joint 1 is connected with connecting axle 4 by screw thread, mechanical arm 5 is connected with upper end joint 1 by the first pin 3, mechanical arm 5 is connected with pull bar 9 by the second pin 8, Connection Block 7 is built with pull bar 9 and spring energy-storage circle 10, for being threaded between Connection Block 7 with shell 13, shell 13 is built with electronic circuit 12, and lower end joint 15 is connected with shell 13 by screw thread.
After the power that mechanical arm 5 is pushed, mechanical arm promotes pull bar 9 and axially moves in Connection Block 7, thus drive the expansion link on potentiometer 11 also to do axially-movable, the resistance of potentiometer inside is changed, after electronic circuit 12 processes, the signal that electronic circuit produces is reached floor treatment platform.Be for further processing by floor treatment platform.
Utility model works process and principle: instrument is when going into the well, mechanical arm 5 is subject to the extruding of the borehole wall, draw close to connecting axle 4 direction, promote pull bar 9 to axially move in Connection Block 7 simultaneously, pull bar drives the expansion link on potentiometer 11 also to do axially-movable, the resistance of potentiometer inside is changed, after electronic circuit 12 processes, the signal that electronic circuit produces is reached ground surface platform.After being for further processing by ground surface platform, platform shows log, show the situation of change of down-hole pit shaft intuitively.
Claims (6)
1. cross drilling tool memory-type caliper logging tool balanced structure for one kind, it is characterized in that: comprise end joint (1), shell (13), lower end joint (15) and transmission mechanism, transmission mechanism top is connected with upper end joint (1), the electronic circuit (12) being provided with potentiometer (11) in shell (13) and being connected with potentiometer (11), (11) are connected with expansion link with potentiometer, expansion link is connected with transmission mechanism bottom, when transmission mechanism is by borehole wall extruding, transmission mechanism drives expansion link motion, lower end connector (15) and shell (13) are sealedly and fixedly connected.
2. the caliper logging tool of drilling tool memory-type excessively balanced structure according to claim 1, it is characterized in that: described transmission mechanism comprises mechanical arm (5) and pull bar (9), mechanical arm (5) one end of inwardly shrinking by borehole wall extruding is connected on upper end joint (1), the other end is connected on pull bar (9), upper end joint (1) has been sealedly and fixedly connected connecting axle (4), connecting axle (4) has been sealedly and fixedly connected Connection Block (7), Connection Block (7) and shell (13) inner chamber upper end are sealedly and fixedly connected, pull bar (9) to be arranged in Connection Block (7) and to be connected with expansion link.
3. the caliper logging tool of drilling tool memory-type excessively balanced structure according to claim 2, it is characterized in that: described Connection Block (7) comprises upper connecting base and lower connecting base, connecting axle (4) and upper connecting base are sealedly and fixedly connected, lower connecting base and shell (13) inner chamber upper end are sealedly and fixedly connected, pull bar (9) top is positioned at upper connecting base, and bottom is positioned at lower connecting base.
4. the caliper logging tool of drilling tool memory-type excessively balanced structure according to claim 3, it is characterized in that: be provided with spring energy-storage circle (10) in described lower connecting base, spring energy-storage circle (10) is positioned between pull bar (9) and lower connecting base.
5. the caliper logging tool of drilling tool memory-type excessively balanced structure according to claim 4, be is characterized in that: described mechanical arm (5) is connected with upper end joint (1) by the first pin (3), is connected by the second pin (8) with pull bar (9).
6. the caliper logging tool of drilling tool memory-type excessively balanced structure according to claim 5, is characterized in that: described lower connecting base and shell (13) are for being threaded, and lower end joint (15) is connected with shell (13) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767883.4U CN204357426U (en) | 2014-12-09 | 2014-12-09 | Cross drilling tool memory-type caliper logging tool balanced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767883.4U CN204357426U (en) | 2014-12-09 | 2014-12-09 | Cross drilling tool memory-type caliper logging tool balanced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204357426U true CN204357426U (en) | 2015-05-27 |
Family
ID=53258903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420767883.4U Expired - Fee Related CN204357426U (en) | 2014-12-09 | 2014-12-09 | Cross drilling tool memory-type caliper logging tool balanced structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204357426U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781463A (en) * | 2016-04-11 | 2016-07-20 | 中国海洋石油总公司 | Self-releasing tool |
| CN110273676A (en) * | 2019-07-19 | 2019-09-24 | 西安思坦仪器股份有限公司 | A kind of hole diameter flow adjustment test macro and method |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
-
2014
- 2014-12-09 CN CN201420767883.4U patent/CN204357426U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781463A (en) * | 2016-04-11 | 2016-07-20 | 中国海洋石油总公司 | Self-releasing tool |
| CN105781463B (en) * | 2016-04-11 | 2019-01-15 | 中国海洋石油集团有限公司 | From releasing tool |
| CN110273676A (en) * | 2019-07-19 | 2019-09-24 | 西安思坦仪器股份有限公司 | A kind of hole diameter flow adjustment test macro and method |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
| CN114183128B (en) * | 2022-01-20 | 2024-04-19 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
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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: 20150527 Termination date: 20181209 |