CN110529102B - Directional MWD underground exploratory tube for petroleum drilling - Google Patents
Directional MWD underground exploratory tube for petroleum drilling Download PDFInfo
- Publication number
- CN110529102B CN110529102B CN201910997152.6A CN201910997152A CN110529102B CN 110529102 B CN110529102 B CN 110529102B CN 201910997152 A CN201910997152 A CN 201910997152A CN 110529102 B CN110529102 B CN 110529102B
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- probe
- measuring sensor
- block
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 21
- 239000003208 petroleum Substances 0.000 title claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 53
- 230000000670 limiting effect Effects 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery 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
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)
- Earth Drilling (AREA)
Abstract
The invention relates to an oil drilling directional MWD underground probe, which comprises an outer sleeve probe and a measuring sensor arranged in the outer sleeve probe, wherein an adjusting mechanism is arranged in the outer sleeve probe and is connected with the measuring sensor, and the lower end of the outer sleeve probe is provided with a lower protective shell; the adjusting mechanism comprises a connecting disc, a movable cavity arranged in the connecting disc, a motor arranged at the upper end of the connecting disc, a rotating shaft fixedly connected to the output end of the motor, a first bevel gear fixedly arranged at the lower end of the rotating shaft, a movable block arranged in the movable cavity and a mounting groove arranged on one side wall of the movable block. The petroleum drilling orientation MWD underground exploratory tube can conveniently and accurately carry out position adjustment on the measuring sensor through the adjusting mechanism, multiple limiting and protecting components are arranged in the outer sleeve exploratory tube, the measuring sensor can be protected strongly, and the measuring sensor can be prevented from sliding out of the outer sleeve exploratory tube to be lost in the use process, so that the protecting performance is strong.
Description
Technical Field
The invention belongs to the field of petroleum drilling, and particularly relates to a directional MWD downhole exploratory tube for petroleum drilling.
Background
The main technology in horizontal well drilling is MWD (i.e., inclinometry while drilling), and measurement while drilling systems consist of downhole sensor assemblies, data transmission or downhole recording devices, and surface detection processing equipment. All while-drilling systems employ sensors immediately above the drill bit to measure drilling parameters and formation parameters, and the data measured during drilling is transmitted to the earth's surface in real time. MWD is generally capable of measuring well deviation, azimuth, and toolface direction.
However, when some currently common directional MWD down-hole probes are used, the position of the measurement sensor in the probe needs to be adjusted to different degrees and under environmental conditions, sometimes the measurement sensor needs to be extended out of the probe, the probe usually moves along with the drill bit, the extending length of the sensor cannot be accurately controlled, and the extending sensor is easy to damage.
Disclosure of Invention
The invention aims to solve the problems and provide the petroleum drilling directional MWD downhole probe which is simple in structure and reasonable in design.
The invention realizes the above purpose through the following technical scheme:
The petroleum drilling orientation MWD underground probe comprises an outer sleeve probe and a measuring sensor arranged in the outer sleeve probe, wherein an adjusting mechanism is arranged in the outer sleeve probe and is connected with the measuring sensor, the lower end of the outer sleeve probe is provided with a lower protective shell, and the measuring sensor is in the prior art;
The regulating mechanism comprises a connecting disc, a movable cavity arranged in the connecting disc, a motor arranged at the upper end of the connecting disc, a rotating shaft fixedly connected to the output end of the motor, a first bevel gear fixedly arranged at the lower end of the rotating shaft, a movable block arranged in the movable cavity, a mounting groove arranged on one side wall of the movable block, a limiting block fixedly connected to the other side wall of the movable block, a reset spring arranged in the mounting groove, a winding rod movably arranged on the inner wall of the movable cavity, a second bevel gear arranged at one end of the winding rod and a connecting rope arranged between the winding rod and the movable block.
As a further optimization scheme of the invention, a plurality of limit clamping grooves are formed in the inner wall of the outer sleeve probe tube, a clamping block is fixedly connected to the inner wall of the outer sleeve probe tube and located below the limit clamping grooves, a fixing plate is fixedly connected to the inner wall of the outer sleeve probe tube, a spring is arranged between the fixing plate and the connecting disc, and the fixing plate is located above the connecting disc.
As a further optimization scheme of the invention, the limiting block penetrates through the movable cavity, the lower end face of the limiting block is a plane, and the upper end face of the limiting block is an arc face.
As a further optimization scheme of the invention, the lower protective shell is inserted on the lower end face of the outer sleeve probe tube, and the lower protective shell is connected with the outer sleeve probe tube through a connecting piece.
As a further optimization scheme of the invention, a plurality of through holes are formed in the lower protective shell, and the lower protective shell is conical.
As a further optimization scheme of the invention, the other end of the winding rod is fixedly connected with an inner rotary disc, the inner rotary disc is positioned in the wall of the movable chamber, and the first bevel gear and the second bevel gear are meshed with each other.
As a further optimization scheme of the invention, the diameter of the winding rod is smaller than that of the inner rotating disc, a rope winding groove is formed in the winding rod, one end of the connecting rope is fixedly connected to the inner wall of the rope winding groove, and the other end of the connecting rope is fixedly connected to the middle part of one side wall of the moving block.
As a further optimization scheme of the invention, the number of the installation grooves is a plurality of, and the installation grooves are symmetrically distributed on two sides of the connecting rope.
As a further optimization scheme of the invention, the motor is electrically connected with an external control system, the clamping block is annular, and the clamping block is contacted with the measuring sensor.
The invention has the beneficial effects that:
1) According to the invention, the regulating mechanism is additionally arranged in the outer sleeve probe, so that the measuring sensor can be accurately regulated in position, the regulating mechanism is movably connected with the measuring sensor, when the position of the measuring sensor is regulated, the motor is controlled to work, the motor drives the rotating shaft to rotate after working, the rotating shaft drives the first bevel gear to drive the second bevel gear to rotate after rotating, the second bevel gear drives the winding rod to rotate after rotating, the winding rod is accommodated with the connecting rope after rotating, the connecting rope drives the moving block and the limiting block to move, the moving block and the limiting block move into the moving cavity, the limiting block is separated from the limiting clamping groove, the connecting disc is in a free state, the motor is powered off, the limiting block is moved under the driving of the spring on the fixed plate, and then the limiting block is attached to the inner wall of the outer sleeve probe under the action of the reset spring until the limiting block is clamped in when the motor moves to the other limiting clamping groove, so that the limiting effect is realized, if the limiting block is required to move, the process can be repeated, the limiting block can move again, and the fixed position can be moved each time, and the effect of accurately regulating the measuring sensor can be achieved;
2) According to the invention, the protective shell is arranged on the outer sleeve probe tube, so that the measuring sensor can be continuously protected after the measuring sensor extends out of the outer sleeve probe tube, and the measuring sensor can be detached, so that the measuring sensor can be conveniently replaced or maintained, and the protection performance is stronger;
3) The invention has simple structure, high stability, reasonable design and convenient realization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of an adjustment mechanism of the present invention;
fig. 3 is a top view of the adjustment mechanism of the present invention.
In the figure: 1. sleeving a probe tube; 10. a limit clamping groove; 11. a clamping block; 12. a fixing plate; 2. an adjusting mechanism; 20. a connecting disc; 200. moving the chamber; 21. a motor; 22. a rotation shaft; 23. a return spring; 24. a moving block; 240. a mounting groove; 25. a limiting block; 26. a connecting rope; 27. a second bevel gear; 28. a winding rod; 29. a first bevel gear; 3. a measuring sensor; 4. and a lower protective shell.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
Example 1
As shown in fig. 1-3, the petroleum drilling directional MWD underground probe comprises a sleeved probe 1 and a measuring sensor 3 arranged in the sleeved probe 1, wherein an adjusting mechanism 2 is arranged in the sleeved probe 1, the adjusting mechanism 2 is connected with the measuring sensor 3, and the lower end of the sleeved probe 1 is provided with a lower protective shell 4;
The adjusting mechanism 2 comprises a connecting disc 20, a movable chamber 200 arranged in the connecting disc 20, a motor 21 arranged at the upper end of the connecting disc 20, a rotating shaft 22 fixedly connected to the output end of the motor 21, a first bevel gear 29 fixedly arranged at the lower end of the rotating shaft 22, a movable block 24 arranged in the movable chamber 200, a mounting groove 240 arranged on one side wall of the movable block 24, a limiting block 25 fixedly connected to the other side wall of the movable block 24, a reset spring 23 arranged in the mounting groove 240, a winding rod 28 movably arranged on the inner wall of the movable chamber 200, a second bevel gear 27 arranged at one end of the winding rod 28, and a connecting rope 26 arranged between the winding rod 28 and the movable block 24, wherein the connecting disc 20 is detachably connected with the measuring sensor 3; the inner wall of the outer sleeve probe 1 is provided with a plurality of limit clamping grooves 10, the inner wall of the outer sleeve probe 1 is fixedly connected with clamping blocks 11, the clamping blocks 11 are positioned below the limit clamping grooves 10, the inner wall of the outer sleeve probe 1 is fixedly connected with a fixing plate 12, a spring is arranged between the fixing plate 12 and a connecting disc 20, the fixing plate 12 is positioned above the connecting disc 20, and the limit clamping grooves 10 are symmetrically distributed on the inner wall of the outer sleeve probe 1; the limiting block 25 penetrates through the movable cavity 200, the lower end face of the limiting block 25 is a plane, the upper end face of the limiting block 25 is an arc face, the shape of the limiting block 25 is the same as that of the limiting clamping groove 10, and the lower end face of the limiting block 25 plays a limiting role; when the position of the measuring sensor 3 is adjusted, the motor 21 is controlled to work, the rotating shaft 22 is driven to rotate after the motor 21 works, the first bevel gear 29 is driven to drive the second bevel gear 27 to rotate after the rotating shaft 22 rotates, the winding rod 28 is driven to rotate after the second bevel gear 27 rotates, the winding rod 28 is rotated and then the connecting rope 26 is accommodated, the connecting rope 26 drives the moving block 24 and the limiting block 25 to move, the moving block 24 and the limiting block 25 move into the moving cavity 200, the limiting block 25 is separated from the limiting clamping groove 10, the connecting disc 20 is in a free state, meanwhile, the motor 21 is powered off, the motor 21 is driven to move by a spring on the fixed plate 12, the limiting block 25 is stuck to the inner wall of the outer sleeve probe 1 under the action of the reset spring 23 until the limiting block 10 is moved to achieve the effect of fixing and limiting again, if the second bevel gear 27 is required to move, the process can be moved again, the effect of accurately adjusting the measuring sensor 3 is achieved every time, and the distance between every two adjacent limiting clamping grooves 10 is enough to finish the process of the work and the power off of the motor 21 in the process;
the lower protective shell 4 is inserted on the lower end surface of the outer sleeve probe tube 1, and the lower protective shell 4 is connected with the outer sleeve probe tube 1 through a connecting piece; the lower protective shell 4 is provided with a plurality of through holes, and the lower protective shell 4 is conical; the other end of the winding rod 28 is fixedly connected with an inner rotary disc, the inner rotary disc is positioned in the wall of the movable chamber 200, the first bevel gear 29 is meshed with the second bevel gear 27, the inner rotary disc has the function of rotation and limitation, and the winding rod 28 can be fixed at the same position to rotate without displacement and deflection; the diameter of the winding rod 28 is smaller than that of the inner rotary disc, a rope winding groove is formed in the winding rod 28, one end of the connecting rope 26 is fixedly connected to the inner wall of the rope winding groove, winding and the like of the connecting rope 26 during recovery can be prevented, and the other end of the connecting rope 26 is fixedly connected to the middle part of one side wall of the moving block 24; the number of the mounting grooves 240 is a plurality, and the mounting grooves 240 are symmetrically distributed on two sides of the connecting rope 26; the motor 21 is electrically connected with an external control system, the clamping block 11 is annular, the clamping block 11 is contacted with the measuring sensor 3, and the motor 21 can be connected with the external control system by adopting a wire.
When the measuring sensor 3 needs to be recovered, the stability can be ensured by recovering the electric wire connected to the measuring sensor or additionally arranging a rope, the whole adjusting mechanism 2 and the measuring sensor 3 are pulled back under the tensile force, and the upper end face of the limiting block 25 can be pulled back without the motor 21, if the measuring sensor 3 needs to be replaced and maintained, the connecting piece on the lower protective shell 4 can be taken down, the lower protective shell 4 is detached, and the measuring sensor 3 is convenient to replace and maintain.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (6)
1. The utility model provides a directional MWD down-hole probe of oil drilling, includes overcoat probe (1) and locates measuring sensor (3) in overcoat probe (1), its characterized in that: an adjusting mechanism (2) is arranged in the outer sleeve probe tube (1), and a lower protective shell (4) is arranged at the lower end of the outer sleeve probe tube (1);
the adjusting mechanism (2) comprises a connecting disc (20), a movable cavity (200) arranged in the connecting disc (20), a motor (21) arranged at the upper end of the connecting disc (20), a rotating shaft (22) fixedly connected to the output end of the motor (21), a first bevel gear (29) fixedly arranged at the lower end of the rotating shaft (22), a movable block (24) arranged in the movable cavity (200), a mounting groove (240) arranged on one side wall of the movable block (24), a limiting block (25) fixedly connected to the other side wall of the movable block (24), a reset spring (23) arranged in the mounting groove (240), a winding rod (28) movably arranged on the inner wall of the movable cavity (200), a second bevel gear (27) arranged at one end of the winding rod (28) and a connecting rope (26) arranged between the winding rod (28) and the movable block (24), wherein the connecting disc (20) is detachably connected with the measuring sensor (3);
The other end of the winding rod (28) is fixedly connected with an inner rotary disc, the inner rotary disc is positioned in the wall of the movable cavity (200), and the first bevel gear (29) is meshed with the second bevel gear (27);
A plurality of limit clamping grooves (10) are formed in the inner wall of the outer sleeve probe tube (1), a clamping block (11) is fixedly connected to the inner wall of the outer sleeve probe tube (1), the clamping block (11) is located below the limit clamping grooves (10), a fixing plate (12) is fixedly connected to the inner wall of the outer sleeve probe tube (1), a spring is arranged between the fixing plate (12) and the connecting disc (20), and the fixing plate (12) is located above the connecting disc (20); the limiting block (25) penetrates through the movable cavity (200), the lower end face of the limiting block (25) is a plane, the upper end face of the limiting block (25) is an arc face, and the limiting block (25) leaves or is clamped in a limiting clamping groove (10) on the inner wall of the outer sleeve probe tube (1) so as to realize position adjustment of the measuring sensor (3).
2. A directional MWD downhole probe for petroleum drilling according to claim 1, wherein: the lower protective shell (4) is inserted on the lower end face of the outer sleeve probe tube (1), and the lower protective shell (4) is connected with the outer sleeve probe tube (1) through a connecting piece.
3. A directional MWD downhole probe for petroleum drilling according to claim 2, wherein: the lower protective housing (4) is provided with a plurality of through holes, and the lower protective housing (4) is conical.
4. A directional MWD downhole probe for petroleum drilling according to claim 1, wherein: the diameter of the winding rod (28) is smaller than that of the inner rotating disc, a rope winding groove is formed in the winding rod (28), one end of the connecting rope (26) is fixedly connected to the inner wall of the rope winding groove, and the other end of the connecting rope (26) is fixedly connected to the middle part of one side wall of the moving block (24).
5. The directional MWD downhole probe for petroleum drilling of claim 4, wherein: the number of the mounting grooves (240) is a plurality, and the mounting grooves (240) are symmetrically distributed on two sides of the connecting rope (26).
6. A directional MWD downhole probe for petroleum drilling according to claim 1, wherein: the motor (21) is electrically connected with an external control system, the clamping block (11) is annular, and the clamping block (11) is contacted with the measuring sensor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997152.6A CN110529102B (en) | 2019-10-20 | 2019-10-20 | Directional MWD underground exploratory tube for petroleum drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997152.6A CN110529102B (en) | 2019-10-20 | 2019-10-20 | Directional MWD underground exploratory tube for petroleum drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110529102A CN110529102A (en) | 2019-12-03 |
| CN110529102B true CN110529102B (en) | 2024-09-27 |
Family
ID=68672055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910997152.6A Active CN110529102B (en) | 2019-10-20 | 2019-10-20 | Directional MWD underground exploratory tube for petroleum drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529102B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878070A (en) * | 2020-09-23 | 2020-11-03 | 东营市宇彤机电设备有限责任公司 | Logging digital processing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210685963U (en) * | 2019-10-20 | 2020-06-05 | 达坦能源科技（上海）有限公司 | Directional MWD (measurement while drilling) underground probe for petroleum drilling |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5554618B2 (en) * | 2010-04-12 | 2014-07-23 | スターテング工業株式会社 | Lifting devices such as lighting equipment |
| CN106014391B (en) * | 2016-07-26 | 2023-03-28 | 奥瑞拓能源科技股份有限公司 | Near-bit measurement while drilling system |
| CN107605462A (en) * | 2017-11-03 | 2018-01-19 | 张卓琳 | A kind of oil drilling orients MWD underground probes |
| CN207715084U (en) * | 2018-01-16 | 2018-08-10 | 张宝阳 | A kind of subsea borehole sampler |
-
2019
- 2019-10-20 CN CN201910997152.6A patent/CN110529102B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210685963U (en) * | 2019-10-20 | 2020-06-05 | 达坦能源科技（上海）有限公司 | Directional MWD (measurement while drilling) underground probe for petroleum drilling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110529102A (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107939288B (en) | A kind of anti-rotation device and rotary guiding device of non-rotating set | |
| RU2460881C2 (en) | Logging device designed for well logging (versions) | |
| US10465497B2 (en) | Near-bit measurement while drilling system | |
| US9840894B2 (en) | Drill head and device with a sliding contact electrical connection for drilling a bore in the ground | |
| EP2230376A2 (en) | Power systems for wireline well service using wires pipe string | |
| US9771787B2 (en) | Multi-directionally rotating downhole drilling assembly and method | |
| CN114370229B (en) | Steering drilling device | |
| CN101696628B (en) | Steering bias tool and steering bias method | |
| CN110529102B (en) | Directional MWD underground exploratory tube for petroleum drilling | |
| CN118187659B (en) | Drill bit device of drilling machine | |
| CN113756717A (en) | a rotary guide | |
| WO2018026981A1 (en) | Alignable connector | |
| CN112983274A (en) | Rotary guide type two-stage down-the-hole hammer drill | |
| CN109779524B (en) | Cable type drilling orientation device | |
| CN210685963U (en) | Directional MWD (measurement while drilling) underground probe for petroleum drilling | |
| CN113848086B (en) | Novel sampling and cutting device for geological survey | |
| KR20160110367A (en) | Locking device and locking method for the tool holder of a drilling system | |
| CN202391420U (en) | Electromagnetic wave inclination measurement while drilling device and sliding guide drilling system | |
| US9850715B2 (en) | Modular compaction boring machine system | |
| CN111854710A (en) | Underground pipeline surveying and mapping method | |
| CN215256027U (en) | A full rotation guide tool | |
| CN212837586U (en) | Rotary guide device | |
| CN112814567B (en) | A fully rotary steerable tool | |
| CN210195663U (en) | Cable type drilling directional device | |
| CN209959238U (en) | A seismic detection device for underground horizontal branch holes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 1807, 497 Zhengli Road, Yangpu District, Shanghai Applicant after: Shanghai datan Energy Technology Co.,Ltd. Address before: Room 1807, 497 Zhengli Road, Yangpu District, Shanghai Applicant before: TARTAN ENERGY TECH (SHANGHAI) LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |