CN204851229U - Structure is measured to stable form oil well gradient - Google Patents
Structure is measured to stable form oil well gradient Download PDFInfo
- Publication number
- CN204851229U CN204851229U CN201520141809.6U CN201520141809U CN204851229U CN 204851229 U CN204851229 U CN 204851229U CN 201520141809 U CN201520141809 U CN 201520141809U CN 204851229 U CN204851229 U CN 204851229U
- Authority
- CN
- China
- Prior art keywords
- oil well
- cylindrical shell
- support bar
- pressure sensor
- spring
- 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
Links
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a structure is measured to stable form oil well gradient, including both ends confined barrel the upper end of barrel is fixed with the connecting rod, and hinged joint has a bracing piece on the both sides wall at barrel middle part, and the gyro wheel is installed to the expansion end of bracing piece, the lower part of barrel is seted up flutedly, annular regulation seat and recess screw -thread fit, just the inboard of adjusting the seat is provided with the circular conical surface with bracing piece hinged end matched with, still include two pressure sensor, pressure sensor fixes on the barrel and passes the connecting rod through the wire and communicates with external controller install the spring on the bracing piece, the expansion end and the pressure sensor of spring are connected. The utility model is simple in operation swiftly, but the perpendicularity of short -term test producing well, and because complicated, the awkward problem of measuring tool structure in the past when improving the suitability, has been solved to the adjustability ability of bracing piece.
Description
Technical field
The utility model relates to the detection of oil well, specifically refers to a kind of stable type oil well gradient measurement structure.
Background technology
Oil well is comparatively strict on verticality requires, the verticality of general oil well needs to remain within the scope of certain angle and can meet subsequent job, just need rationally to detect oil well verticality when excavating oil well, in order to avoid hole deviation and affect oil exploitation, therefore, instrument is needed to measure at any time, the not only complex structure of survey tool in the past, and use very bothers, each measurement all needs the long period, has greatly dragged slowly the progress that digs a well.Meanwhile, because oil well is comparatively dark, excavating tools is when excavating, part instrument can be subject to bottom pressure impact and occur some faults, therefore, also needs to guarantee the pressure of oil well correspondent section within the specific limits, to ensure the normal use of instrument, also can change suitable instrument according to pressure simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of stable type oil well gradient measurement structure, solves survey tool complex structure in the past, awkward problem.
The purpose of this utility model is achieved through the following technical solutions:
A kind of stable type oil well gradient measurement structure, comprise the cylindrical shell of closed at both ends, connecting rod is fixed with in the upper end of described cylindrical shell, two side upper hinge in the middle part of cylindrical shell is connected with support bar, the movable end of support bar is provided with roller, the bottom of described cylindrical shell offers groove, the adjustment seat of annular and groove threaded engagement, and the inner side of described adjustment seat is provided with the taper seat matched with support bar hinged end; Also comprise two pressure sensors, described pressure sensor to be fixed on cylindrical shell and to be communicated with through the controller of connecting rod with the external world by wire, described support bar is provided with spring, the movable end of spring is connected with pressure sensor, the hinged end of described support bar offers dovetail groove, slide in dovetail groove and be provided with the elastic block rubber that cross section is right-angled trapezium, and the sidewall contact of the waist limit, right angle of described elastic block rubber and cylindrical shell.During utility model works, according to the situation of oil well internal diameter size, rotate adjustment seat to make it axial movement occurs on groove, and then realize increasing or reducing two support bars be hinged on cylindrical shell, this device is placed in oil well to be detected, artificial traction bars makes device enter duty, be positioned at roller on support bar movable end directly and oil well contact internal walls, and then make device slowly moving down along in oil well, meanwhile roller is can produce an opposition to support bar with during oil well contact internal walls, this active force makes spring be compressed, the pressure sensor of the spring other end is then by the size cases record of this opposition, when there is local dip in oil well inside, the opposition that the support bar of cylindrical shell both sides and roller are subject to is different, therefore the pressure signal that receives of two pressure sensors is not identical yet, the pressure value record that two pressure sensors will be subject to separately, be sent in controller, by the force value of artificial calculation element at inclination borehole wall place and the difference of device in the force value at vertical borehole wall place, again divided by the coefficient of elasticity of spring, finally draw the shift value of device in oil well inclination place, draw two line segments, again by constantly drawing shift value point, finally draw the verticality situation of whole oil well, with fast and easy recover petroleum, after detection, again by artificial traction bars, cylindrical shell is made to shift out oil well fast, the utility model is simple and quick, the verticality of oil well can be detected fast, and due to the tunable performance of support bar, while raising applicability, solve survey tool complex structure in the past, awkward problem,
Wherein in support bar folding process, the interference of the protrusion on the resistance of fluid and out-of-flatness oil well inwall can be subject to, make support bar be applied to the working stress instability on pressure sensor and disperse uneven, the data that pressure sensor is transferred out are unstable, and accuracy is low; The utility model offers dovetail groove at the hinged end of support bar, the elastic block rubber that cross section is right-angled trapezium is placed with in dovetail groove, and the wall contacts of the waist limit, right angle of elastic block rubber and cylindrical shell, in the process that support bar moves down, the external force that support bar is subject to by self-deformation by elastic block rubber but not the impact being subject to the extruding force of oil well inwall are eliminated, ensure the data accurate and effective that pressure sensor detects, provide effective guarantee for what describe the state diagram of oil well inner inclination degree.
The wheelbase size of two described rollers is identical with the internal diameter of oil well.Wheelbase between two rollers is arranged identical with the internal diameter of oil well, can ensure that cylindrical shell is in folding process, roller all the time with oil well contact internal walls, namely spring is made to be in stable compressive state all the time, ensure that the pressure signal that pressure sensor receives is stablized, the initial pressure numerical value accurate stable drawn.
Described spring is torsionspring.As preferably, the extruding of the borehole wall or the resistance of fluid can be subject in the folding process of support bar in oil well, and then the active force causing spring to be subject to oppositely constantly changes, traditional spring cushioning effect is in its axial direction better, when constantly switching between its axis of working stress and radial direction, spring is easy to metal fatigue and then causes impaired, the utility model adopts torsionspring, the working stress on different directions can be born, substantially increase application life of the present utility model.
Also comprise the limited block be arranged on cylinder lateral wall, and described limited block is between pressure sensor and elastic block rubber.Limited block can prevent the crevice place between its ejection support bar and cylindrical shell when the stressed generation deformation of elastic block rubber, and then ensures that support bar gets rid of the impact of external force, makes it stable and moves down.
The utility model compared with prior art, has following advantage and beneficial effect:
1, the utility model is after detecting, again by artificial traction bars, cylindrical shell is made to shift out oil well fast, the utility model is simple and quick, the verticality of oil well can be detected fast, and due to the tunable performance of support bar, while raising applicability, solve survey tool complex structure in the past, awkward problem;
2, the wheelbase between two rollers arranges identical with the internal diameter of oil well by the utility model, can ensure that cylindrical shell is in folding process, roller all the time with oil well contact internal walls, namely spring is made to be in stable compressive state all the time, ensure that the pressure signal that pressure sensor receives is stablized, the initial pressure numerical value accurate stable drawn;
3, the spring cushioning effect in its axial direction that the utility model is traditional is better, when constantly switching between its axis of working stress and radial direction, spring is easy to metal fatigue and then causes impaired, the utility model adopts torsionspring, the working stress on different directions can be born, substantially increase application life of the present utility model.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation;
Mark and corresponding component title in accompanying drawing:
1-connecting rod, 2-cylindrical shell, 3-pressure sensor, 4-spring, 5-support bar, 6-roller, 7-adjustment seat, 8-groove, 9-limited block, 10-elastic block rubber, 11-dovetail groove.
Detailed description of the invention
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the cylindrical shell 2 of closed at both ends, connecting rod 1 is fixed with in the upper end of described cylindrical shell 2, two side upper hinge in the middle part of cylindrical shell 2 is connected with support bar 5, the movable end of support bar 5 is provided with roller 6, the bottom of described cylindrical shell 2 offers groove 8, adjustment seat 7 and groove 8 threaded engagement of annular, and the inner side of described adjustment seat 7 is provided with the taper seat matched with support bar 5 hinged end; Also comprise two pressure sensors 3, described pressure sensor 3 to be fixed on cylindrical shell 2 and to be communicated with through the controller of connecting rod 1 with the external world by wire, described support bar 5 is provided with spring 4, the movable end of spring 4 is connected with pressure sensor 3, the hinged end of described support bar 5 offers dovetail groove 11, slide in dovetail groove 11 and be provided with the elastic block rubber 10 that cross section is right-angled trapezium, and the sidewall contact of the waist limit, right angle of described elastic block rubber 10 and cylindrical shell 1; Also comprise the limited block 9 be arranged on cylindrical shell 1 sidewall, and described limited block 9 is between pressure sensor 3 and elastic block rubber 10.
During utility model works, according to the situation of oil well internal diameter size, rotate adjustment seat 7 to make it axial movement occurs on groove 8, and then realize increasing or reducing two support bars 5 be hinged on cylindrical shell 2, this device is placed in oil well to be detected, artificial traction bars 1 makes device enter duty, now the port verticality of oil well is best, namely two plane coordinate systems are set up with the contact point of oil well two inwall of this port and two rollers 6, device is slowly moving down along in oil well, meanwhile roller 6 is can produce an opposition F-to support bar 5 with during oil well contact internal walls
1, this directed force F-
1spring 4 is compressed, and the pressure sensor 3 of spring 4 other end is by this opposition F-
1size cases record, being simultaneously the coefficient of elasticity of spring 4 according to F=kX(k) displacement of spring 4 being compressed generation draws X, and limited block 9 can prevent the crevice place between its ejection support bar 5 and cylindrical shell 1 when the stressed generation deformation of elastic block rubber 10, and then ensure that support bar 5 gets rid of the impact of external force, make it stable and move down, when there is local dip in oil well inside, the opposition F-that the support bar 5 of cylindrical shell 2 both sides and roller 6 are subject to
2difference, therefore the pressure signal that receives of two pressure sensors 3 is not identical yet, the opposition F-that two pressure sensors 3 will be subject to separately
2record, is sent in controller, by the force value F-of artificial calculation element at inclination borehole wall place
2with the force value F-of device at vertical borehole wall place
1difference F, then divided by the coefficient of elasticity k of spring 4, calculate according to F=kX, finally draw the shift value X of device in oil well inclination place
1, then by constantly drawing shift value point X
n, draw two line segments, finally draw the verticality situation of whole oil well, with fast and easy recover petroleum, after detection, again by artificial traction bars 1, cylindrical shell 2 is made to shift out oil well fast, the utility model is simple and quick, the verticality of oil well can be detected fast, and due to the tunable performance of support bar 5, while raising applicability, solve survey tool complex structure in the past, awkward problem,
And the wheelbase between two rollers 6 is arranged identical with the internal diameter of oil well, can ensure that cylindrical shell 2 is in folding process, roller 6 all the time with oil well contact internal walls, namely spring 4 is made to be in stable compressive state all the time, ensure that the pressure signal that pressure sensor 3 receives is stablized, the initial pressure numerical value accurate stable drawn.
Wherein in support bar 5 folding process, the interference of the protrusion on the resistance of fluid and out-of-flatness oil well inwall can be subject to, make support bar 5 be applied to the working stress instability on pressure sensor 3 and disperse uneven, the data that pressure sensor 3 is transferred out are unstable, and accuracy is low; The utility model offers dovetail groove at the hinged end of support bar 5, the elastic block rubber 10 that cross section is right-angled trapezium is placed with in dovetail groove 11, and the wall contacts of the waist limit, right angle of elastic block rubber 10 and cylindrical shell 1, in the process that support bar 5 moves down, the external force that support bar 5 is subject to by self-deformation by elastic block rubber 10 but not the impact being subject to the extruding force of oil well inwall are eliminated, ensure the data accurate and effective that pressure sensor 3 detects, provide effective guarantee for what describe the state diagram of oil well inner inclination degree.
As preferably, the extruding of the borehole wall or the resistance of fluid can be subject in the folding process of support bar 5 in oil well, and then the active force causing spring 4 to be subject to oppositely constantly changes, traditional spring 4 cushioning effect is in its axial direction better, when constantly switching between its axis of working stress and radial direction, spring 4 is easy to metal fatigue and then causes impaired, the utility model adopts torsionspring 4, the working stress on different directions can be born, substantially increase application life of the present utility model.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a stable type oil well gradient measurement structure, comprise the cylindrical shell (2) of closed at both ends, it is characterized in that: be fixed with connecting rod (1) in the upper end of described cylindrical shell (2), the two side upper hinge at cylindrical shell (2) middle part is connected with support bar (5), the movable end of support bar (5) is provided with roller (6), the bottom of described cylindrical shell (2) offers groove (8), adjustment seat (7) and groove (8) threaded engagement of annular, and the inner side of described adjustment seat (8) is provided with the taper seat matched with support bar (5) hinged end; Also comprise two pressure sensors (3), described pressure sensor (3) is fixed on cylindrical shell (2) and goes up and be communicated with extraneous controller through connecting rod (1) by wire, described support bar (5) is provided with spring (4), the movable end of spring (4) is connected with pressure sensor (3), the hinged end of described support bar (5) offers dovetail groove (11), slide in dovetail groove (11) and be provided with the elastic block rubber (10) that cross section is right-angled trapezium, and the sidewall contact of the waist limit, right angle of described elastic block rubber (10) and cylindrical shell (1).
2. a kind of stable type oil well gradient measurement structure according to claim 1, is characterized in that: the wheelbase size of two described rollers (6) is identical with the internal diameter of oil well.
3. a kind of stable type oil well gradient measurement structure according to claim 1 and 2, is characterized in that: described spring (4) is torsionspring.
4. a kind of stable type oil well gradient measurement structure according to claim 1, it is characterized in that: also comprise the limited block (9) be arranged on cylindrical shell (1) sidewall, and described limited block (9) is positioned between pressure sensor (3) and elastic block rubber (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141809.6U CN204851229U (en) | 2015-03-13 | 2015-03-13 | Structure is measured to stable form oil well gradient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141809.6U CN204851229U (en) | 2015-03-13 | 2015-03-13 | Structure is measured to stable form oil well gradient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851229U true CN204851229U (en) | 2015-12-09 |
Family
ID=54741787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520141809.6U Expired - Fee Related CN204851229U (en) | 2015-03-13 | 2015-03-13 | Structure is measured to stable form oil well gradient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712319A (en) * | 2015-03-13 | 2015-06-17 | 成都大漠石油机械有限公司 | Oil well gradient measuring device |
| CN112343582A (en) * | 2020-11-02 | 2021-02-09 | 大庆油田有限责任公司 | Underground internal and external pressure monitoring device |
-
2015
- 2015-03-13 CN CN201520141809.6U patent/CN204851229U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712319A (en) * | 2015-03-13 | 2015-06-17 | 成都大漠石油机械有限公司 | Oil well gradient measuring device |
| CN112343582A (en) * | 2020-11-02 | 2021-02-09 | 大庆油田有限责任公司 | Underground internal and external pressure monitoring device |
| CN112343582B (en) * | 2020-11-02 | 2023-01-31 | 大庆油田有限责任公司 | Underground internal and external pressure monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104712319A (en) | Oil well gradient measuring device | |
| CN202255215U (en) | Length measuring device for steel pipe | |
| CN102937404B (en) | Device for measuring pipe ovality | |
| CN204851230U (en) | Portable oil well perpendicularity detector | |
| CN204851229U (en) | Structure is measured to stable form oil well gradient | |
| CN104215219B (en) | Magnetostriction hydrostatic level and measuring method thereof in high precision | |
| CN102519347B (en) | Inner hole radial circle run-out detecting tool | |
| CN105181199A (en) | Side hole stress releasing method of ground stress test | |
| CN102080514A (en) | Mechanical parameter measuring device of underground compression type packer and using method thereof | |
| CN104501912A (en) | Integrated remote transmission type magnetic floater liquid level meter | |
| CN104389582A (en) | Well logging pushing and leaning device | |
| CN204591257U (en) | Oil well testing apparatus for verticality | |
| CN208805147U (en) | A kind of degree of plainness for wall surface detection device | |
| CN104790940A (en) | Auxiliary oil well perpendicularity measuring device | |
| CN103088850A (en) | Cycle friction sleeve barrel device for evaluating periodic load pile side friction | |
| CN103206909B (en) | The detection determination methods of the angle of the coniform raceway of inner ring and large-flange | |
| CN104033146A (en) | Oil well perpendicularity measuring tool convenient to disassemble | |
| CN101865740A (en) | Capacitance type pressure sensor | |
| CN201259422Y (en) | Free expansion type center disposer | |
| CN104790937A (en) | Real-time monitoring mechanism for oil well conditions | |
| CN203869685U (en) | Oil well pressure and verticality measuring tool | |
| CN107795314A (en) | Borehole wall gradient real time monitoring device is used in oil well drilling construction | |
| CN106018087A (en) | All-electric ground strength testing device | |
| CN107762485A (en) | Horizontal well gradient detection means | |
| CN203867552U (en) | Oil well perpendicularity measurement tool convenient to detach |
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: 20151209 Termination date: 20160313 |