CN107795314A - Borehole wall gradient real time monitoring device is used in oil well drilling construction - Google Patents
Borehole wall gradient real time monitoring device is used in oil well drilling construction Download PDFInfo
- Publication number
- CN107795314A CN107795314A CN201710961192.6A CN201710961192A CN107795314A CN 107795314 A CN107795314 A CN 107795314A CN 201710961192 A CN201710961192 A CN 201710961192A CN 107795314 A CN107795314 A CN 107795314A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- drop shot
- oil well
- spring
- borehole wall
- 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.)
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- 239000003129 oil well Substances 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 238000005553 drilling Methods 0.000 title claims abstract description 8
- 238000012806 monitoring device Methods 0.000 title claims abstract description 6
- 230000003139 buffering effect Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses oil well drilling construction borehole wall gradient real time monitoring device, including drop shot, connecting rod is fixed with the upper end of the drop shot, two side upper hinge in the middle part of drop shot is connected with connecting rod, the movable end of connecting rod is provided with buffering wheel, the bottom of the drop shot offers neck, and annular adjustment seat coordinates with neck screw thread, and the circular conical surface being engaged with rod hinge connection end is provided with the inside of the adjustment seat；Also include two pressure sensors, the pressure sensor is fixed on drop shot and connected by wire through connecting rod with the controller in the external world, spring is provided with the connecting rod, the movable end of spring is connected with pressure sensor.The present invention is simple and quick, can quick detection producing well gradient, and due to the tunable performance of connecting rod, while applicability is improved, solve the problems, such as that conventional survey tool is complicated, inconvenient for use.
Description
Technical field
The present invention relates to horizontal well drilling construction field, in particular to oil well drilling construction to be monitored in real time with borehole wall gradient
Device.
Background technology
Oil well is more strict in gradient requirement, and the gradient of general oil well needs to be maintained at certain angle scope
It is interior to meet subsequent job, just need rationally to detect oil well gradient when excavating oil well, in order to avoid hole deviation and influence oil
Exploitation, therefore, it is necessary to which instrument measures at any time, conventional survey tool is not only complicated, and use is extremely onerous, every time
Measurement is required for the long period, greatly having dragged slowly the progress of digging a well.
The content of the invention
It is an object of the invention to provide oil well drilling construction borehole wall gradient real time monitoring device, solve conventional
The problem of survey tool is inconvenient for use.
The purpose of the present invention is achieved through the following technical solutions：
Borehole wall gradient real time monitoring device, including drop shot are used in oil well drilling construction, are consolidated in the upper end of the drop shot
Surely there is a connecting rod, the two side upper hinge in the middle part of drop shot is connected with connecting rod, and the movable end of connecting rod is provided with buffering wheel, under described
The bottom of slide bar offers neck, and annular adjustment seat coordinates with neck screw thread, and is provided with the inside of the adjustment seat with connecting
The circular conical surface that bar hinged end is engaged；Also include two pressure sensors, the pressure sensor is fixed on drop shot and led to
Cross wire to connect with the controller in the external world through connecting rod, spring, the movable end and pressure of spring are installed on the connecting rod
Sensor connects.During present invention work, according to the situation of oil well internal diameter size, rotation adjustment seat is allowed to occur axially on neck
Movement, and then realize increase or reduce two connecting rods being hinged on drop shot, the present apparatus is placed in oil well to be detected
In, artificial traction connecting rod causes device to enter working condition, the buffering wheel on connecting rod movable end directly with oil well inwall
Contact, and then device is slowly moved down along oil well, at the same time buffering wheel can be to connecting rod when being contacted with oil well inwall
An opposition is produced, the active force make it that spring is compressed, and the pressure sensor of the spring other end is then by the reverse work
Size cases record firmly, when occurring local dip inside oil well, what the connecting rod and buffering wheel of drop shot both sides were subject to
Opposition is different, therefore the pressure signal that two pressure sensors receive also differs, and two pressure sensors will be each
From the pressure value record being subject to, it is sent in controller, pressure value and dress at the borehole wall is being tilted by artificial computing device
Put the difference of the pressure value at the vertical borehole wall, then divided by spring coefficient of elasticity, finally show that device is inclined at oil well inclination
Numerical value is moved, draws two lines section, then by constantly drawing shift value point, finally draws the gradient situation of whole oil well,
Oil is exploited with fast and easy；After detection, then passing through artificial traction connecting rod so that drop shot is quickly moved out oil well, this
Invent it is simple and quick, can quick detection producing well gradient, and due to the tunable performance of connecting rod, improving applicability
Meanwhile solve the problems, such as that conventional survey tool is complicated, inconvenient for use.Wherein, the wheelbase of two buffering wheels is big
It is small identical with the internal diameter of oil well, the wheelbase setting between two buffering wheels is identical with the internal diameter of oil well, drop shot can be ensured
In folding process, buffering wheel contacts with oil well inwall all the time, that is, causes spring in stable compressive state, to ensure pressure all the time
The pressure signal received on force snesor is stable, the initial pressure numerical value accurate stable drawn.
The present invention compared with prior art, has the following advantages and advantages：
The present invention is after detection, then passes through artificial traction connecting rod so that drop shot is quickly moved out oil well, the present invention
It is simple and quick, can quick detection producing well gradient, and due to the tunable performance of connecting rod, improving the same of applicability
When, solve the problems, such as that conventional survey tool is complicated, inconvenient for use；Further, by the axle between two buffering wheels
It is identical with the internal diameter of oil well away from setting, drop shot can be ensured in folding process, buffering wheel contacts with oil well inwall all the time, i.e.,
So that spring ensures the pressure signal stabilization received on pressure sensor, what is drawn is first all the time in stable compressive state
Beginning pressure value accurate stable.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in accompanying drawing：
1- connecting rods, 2- drop shots, 3- pressure sensors, 4- springs, 5- connecting rods, 6- buffering wheels, 7- adjustment seats, 8- cards
Groove.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in figure 1, the present embodiment includes drop shot 2, connecting rod 1, drop shot are fixed with the upper end of the drop shot 2
The two side upper hinge at 2 middle parts is connected with connecting rod 5, and the movable end of connecting rod 5 is provided with buffering wheel 6, and the bottom of the drop shot 2 is opened
Provided with neck 8, annular adjustment seat 7 coordinates with the screw thread of neck 8, and the inner side of the adjustment seat 7 is provided with and the hinged end of connecting rod 5
The circular conical surface being engaged；Also include two pressure sensors 3, the pressure sensor 3 is fixed on drop shot 2 and passes through wire
Connected through connecting rod 1 with the controller in the external world, spring 4 is installed on the connecting rod 5, movable end and the pressure of spring 4 pass
Sensor 3 connects.
During present invention work, according to the situation of oil well internal diameter size, rotation adjustment seat 7 is allowed to occur axially on neck 8
Movement, and then realize increase or reduce two connecting rods 5 being hinged on drop shot 2, the present apparatus is placed in oil to be detected
In well, artificial traction connecting rod 1 causes device to enter working condition, and now gradient is optimal at the port of oil well, i.e., with the end
The contact point of the inwall of oil well two and two buffering wheels 6 at mouthful establishes two plane coordinate systems, and device is under along oil well slowly
Move, at the same time buffering wheel 6 can produce an opposition F when being contacted with oil well inwall to connecting rod 51, the directed force F1Make
Obtain spring 4 to be compressed, the pressure sensor 3 of the other end of spring 4 is then by opposition F1Size cases record, while root
Spring 4 is compressed into caused displacement according to F=kX (k is the coefficient of elasticity of spring 4) and draws X；Occurs local dip inside oil well
When, opposition F that the connecting rod 5 and buffering wheel 6 of the both sides of drop shot 2 are subject to2Difference, therefore two pressure sensors 3 connect
The pressure signal received also differs, the opposition F that two pressure sensors 3 will each be subject to2Record, is sent to control
In device, the pressure value F at the borehole wall is being tilted by artificial computing device2With pressure value F of the device at the vertical borehole wall1Difference F,
Again divided by spring 4 coefficient of elasticity k, calculated according to F=kX, finally draw shift value X of the device at oil well inclination1, then
By constantly drawing shift value point Xn, two lines section is drawn, finally draws the gradient situation of whole oil well, it is fast to facilitate
Speed exploitation oil；After detection, then pass through artificial traction connecting rod 1 so that drop shot 2 is quickly moved out oil well, present invention behaviour
Make simple and fast, can quick detection producing well gradient, and due to the tunable performance of connecting rod 5, while applicability is improved,
Solve the problems, such as that conventional survey tool is complicated, inconvenient for use；And by between two buffering wheels 6 wheelbase set with
The internal diameter of oil well is identical, can ensure drop shot 2 in folding process, and buffering wheel 6 contacts with oil well inwall all the time, that is, causes bullet
Spring 4 in stable compressive state, ensures the pressure signal stabilization received on pressure sensor 3, the initial pressure drawn all the time
Power numerical value accurate stable.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (1)
1. borehole wall gradient real time monitoring device, including drop shot (2) are used in oil well drilling construction, it is characterised in that：Under described
The upper end of slide bar (2) is fixed with connecting rod (1), and the two side upper hinge in the middle part of drop shot (2) is connected with connecting rod (5), connecting rod (5)
Movable end buffering wheel (6) is installed, the bottom of the drop shot (2) offers neck (8), annular adjustment seat (7) and card
Groove (8) screw thread coordinates, and the circular conical surface being engaged with connecting rod (5) hinged end is provided with the inside of the adjustment seat (8)；Also include
Two pressure sensors (3), the pressure sensor (3) be fixed on drop shot (2) and by wire through connecting rod (1) with
Extraneous controller connection, spring (4), movable end and the pressure sensor (3) of spring (4) are installed on the connecting rod (5)
Connection；The wheelbase size of two buffering wheels (6) is identical with the internal diameter of oil well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961192.6A CN107795314A (en) | 2017-10-13 | 2017-10-13 | Borehole wall gradient real time monitoring device is used in oil well drilling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961192.6A CN107795314A (en) | 2017-10-13 | 2017-10-13 | Borehole wall gradient real time monitoring device is used in oil well drilling construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107795314A true CN107795314A (en) | 2018-03-13 |
Family
ID=61533987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710961192.6A Withdrawn CN107795314A (en) | 2017-10-13 | 2017-10-13 | Borehole wall gradient real time monitoring device is used in oil well drilling construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107795314A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984012A (en) * | 2021-10-28 | 2022-01-28 | 福建江夏学院 | Pier appearance detection device and pier detection method |
| CN115478839A (en) * | 2022-11-02 | 2022-12-16 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Fixed-distance monitoring system for geological exploration drilling inclination angle and using method |
-
2017
- 2017-10-13 CN CN201710961192.6A patent/CN107795314A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984012A (en) * | 2021-10-28 | 2022-01-28 | 福建江夏学院 | Pier appearance detection device and pier detection method |
| CN113984012B (en) * | 2021-10-28 | 2023-10-17 | 福建江夏学院 | Bridge pier appearance detection device and bridge pier detection method |
| CN115478839A (en) * | 2022-11-02 | 2022-12-16 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Fixed-distance monitoring system for geological exploration drilling inclination angle and using method |
| CN115478839B (en) * | 2022-11-02 | 2023-01-24 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Fixed-distance monitoring system for geological exploration drilling inclination angle and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180313 |