CN210685963U - Directional MWD (measurement while drilling) underground probe for petroleum drilling - Google Patents
Directional MWD (measurement while drilling) underground probe for petroleum drilling Download PDFInfo
- Publication number
- CN210685963U CN210685963U CN201921757950.3U CN201921757950U CN210685963U CN 210685963 U CN210685963 U CN 210685963U CN 201921757950 U CN201921757950 U CN 201921757950U CN 210685963 U CN210685963 U CN 210685963U
- Authority
- CN
- China
- Prior art keywords
- probe
- outer sleeve
- measuring sensor
- fixedly connected
- block
- 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
Images
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model relates to a directional MWD (measurement while drilling) underground probe for petroleum drilling, 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 moving chamber 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 moving block arranged in the moving chamber, and a mounting groove arranged on one side wall of the moving block. This directional MWD of oil drilling is probe in pit can be convenient and accurate carry out position control to measuring sensor through adjustment mechanism, and be equipped with multiple spacing, protection part on the overcoat probe in the pipe, can play stronger guard action to measuring sensor, and can prevent in the use that measuring sensor roll-off overcoat probe and lose, the protectiveness is stronger.
Description
Technical Field
The invention belongs to the field of petroleum drilling, and particularly relates to a directional MWD (measurement while drilling) downhole probe for petroleum drilling.
Background
Currently, the main technology in horizontal well drilling is MWD (i.e., inclination measurement while drilling), and the measurement while drilling system is composed of a downhole sensor assembly, a data transmission or downhole recording device and ground detection processing equipment. All while-drilling systems use sensors in close proximity to the top of the bit to measure drilling and formation parameters, with the data measured during drilling being transmitted in real time to the surface. MWD is generally capable of measuring well deviation, orientation, and tool face orientation.
However, when some conventional directional MWD downhole probes are used, the position of a measurement sensor in the probe needs to be adjusted to different degrees and under different environmental conditions, sometimes the measurement sensor needs to extend out of the probe, the probe mostly moves along with a drill bit, the extending length of the sensor cannot be accurately controlled, and the extending sensor is easily damaged.
Disclosure of Invention
The invention aims to solve the problems and provide a directional MWD (measurement while drilling) underground probe with a simple structure and reasonable design for oil drilling.
The invention realizes the purpose through the following technical scheme:
the directional MWD (measurement while drilling) underground probe for the petroleum drilling 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, a lower protective shell is arranged at the lower end of the outer sleeve probe, and the measuring sensor is in the prior art;
the adjusting mechanism comprises a connecting disc, a moving 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 installed at the lower end of the rotating shaft, a moving block arranged in the moving cavity, an installation groove arranged on one side wall of the moving block, a limiting block fixedly connected to the other side wall of the moving block, a reset spring arranged in the installation groove, a winding rod movably installed on the inner wall of the moving cavity, a second bevel gear arranged on one end of the winding rod, and a connecting rope arranged between the winding rod and the moving block.
As a further optimization scheme of the invention, a plurality of limiting clamping grooves are formed in the inner wall of the outer casing probe tube, a clamping block is fixedly connected to the inner wall of the outer casing probe tube, the clamping block is located below the limiting clamping grooves, a fixing plate is fixedly connected to the inner wall of the outer casing 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 optimized 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, the lower protective shell is provided with a plurality of through holes, and the lower protective shell is conical.
As a further optimization scheme of the invention, the other end of the wire winding rod is fixedly connected with an inner rotating disc, the inner rotating disc is positioned in the wall of the moving chamber, and the first bevel gear and the second bevel gear are meshed with each other.
As a further optimized scheme of the invention, the diameter of the winding rod is smaller than that of the inner rotating disc, the winding rod is provided with a rope winding groove, 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 mounting grooves is a plurality, and the mounting 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 fixture block is annular, and the fixture block is in contact with the measuring sensor.
The invention has the beneficial effects that:
1) the invention is additionally provided with an adjusting mechanism in the outer sleeve probe tube, which can accurately adjust the position of a measuring sensor, the adjusting mechanism is movably connected with the measuring sensor, when the position of the measuring sensor is adjusted, the motor is controlled to work, the motor drives a rotating shaft to rotate after working, the rotating shaft drives a first bevel gear to drive a second bevel gear to rotate after rotating, a winding rod is driven to rotate after rotating, a connecting rope is stored after the winding rod rotates, the connecting rope drives a moving block and a limiting block to move, the moving block and the limiting block move towards a moving cavity, so that the limiting block leaves from a limiting clamping groove, at the moment, a connecting disc is in a free state, the motor is powered off and moves under the driving of a spring on a fixing plate, at the moment, the limiting block is attached to the inner wall of the outer sleeve probe tube under the action of a reset spring and, the effect of fixing and limiting again is realized, if the sensor needs to move, the sensor can move again by repeating the process, and the fixed position is moved each time, so that the effect of accurately adjusting the measuring sensor is 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 and detached after extending out of the outer sleeve probe tube, the measuring sensor is convenient to replace or maintain, and the protection is strong;
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 the 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 limiting clamping groove; 11. a clamping block; 12. a fixing plate; 2. an adjustment mechanism; 20. connecting the disks; 200. moving the chamber; 21. a motor; 22. a rotating shaft; 23. a return spring; 24. a moving block; 240. mounting grooves; 25. a limiting block; 26. connecting ropes; 27. a second bevel gear; 28. a wire winding rod; 29. a first bevel gear; 3. a measurement sensor; 4. and a lower protective shell.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-3, a directional MWD downhole probe for petroleum drilling comprises an outer casing probe 1 and a measurement sensor 3 arranged in the outer casing probe 1, wherein an adjusting mechanism 2 is arranged in the outer casing probe 1, the adjusting mechanism 2 is connected with the measurement sensor 3, and a lower protective shell 4 is arranged at the lower end of the outer casing probe 1;
the adjusting mechanism 2 comprises a connecting disc 20, a moving 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 moving block 24 arranged in the moving chamber 200, an installation groove 240 arranged on one side wall of the moving block 24, a limit block 25 fixedly connected to the other side wall of the moving block 24, a reset spring 23 arranged in the installation groove 240, a winding rod 28 movably arranged on the inner wall of the moving chamber 200, a second bevel gear 27 arranged on one end of the winding rod 28, and a connecting rope 26 arranged between the winding rod 28 and the moving block 24, wherein the connecting disc 20 is detachably connected with the; the inner wall of the outer casing probe tube 1 is provided with a plurality of limiting clamping grooves 10, the inner wall of the outer casing probe tube 1 is fixedly connected with a clamping block 11, the clamping block 11 is positioned below the limiting clamping grooves 10, the inner wall of the outer casing probe tube 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 limiting clamping grooves 10 are symmetrically distributed on the inner wall of the outer casing probe tube 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 limiting block 25 and the limiting clamping groove 10 are identical in shape, 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 motor 21 drives the rotating shaft 22 to rotate after working, the rotating shaft 22 drives the first bevel gear 29 to drive the second bevel gear 27 to rotate after rotating, the winding rod 28 is driven to rotate after rotating, the connecting rope 26 is stored after rotating the winding rod 28, 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 chamber 200, so that the limiting block 25 leaves from the limiting clamping groove 10, the connecting disc 20 is in a free state at the moment, the motor 21 is powered off at the same time, the connecting rope moves under the driving of the spring on the fixing plate 12, the limiting block 25 is attached to the inner wall of the outer casing probe tube 1 under the action of the return spring 23 at the moment, the limiting block enters until the limiting block moves to the other limiting clamping groove 10, the effect of fixing and limiting again is, the fixed position is moved each time, so that the effect of accurately adjusting the measuring sensor 3 is achieved, and it needs to be noted here that the distance between every two adjacent limiting clamping grooves 10 is enough to complete the process of working and power-off of the motor 21 in the above process;
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; 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 wire winding rod 28 is fixedly connected with an inner rotary disc, the inner rotary disc is positioned in the wall of the moving chamber 200, the first bevel gear 29 and the second bevel gear 27 are meshed with each other, and the inner rotary disc plays roles of rotating and limiting, so that the wire 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, the connecting rope 26 can be prevented from being wound during recovery, and the other end of the connecting rope 26 is fixedly connected to the middle of one side wall of the moving block 24; the number of the mounting grooves 240 is several, 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 fixture block 11 is annular, the fixture block 11 is in contact with the measuring sensor 3, and the motor 21 can be connected with the external control system through a wire.
It should be noted that, when needing to retrieve measuring sensor 3, can be through retrieving the electric wire of connecting on it or establishing a rope in addition again, ensure stability can, pull back whole adjustment mechanism 2 and measuring sensor 3 under the pulling force, because of the up end of stopper 25 is the cambered surface, consequently can not need motor 21 work to pull back, if need change the maintenance to measuring sensor 3, then can take off the connecting piece on the protective housing 4 down, dismantle protective housing 4 down, the maintenance is changed to measuring sensor 3 to the convenience.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides a directional MWD of oil drilling is probe (3) in pit, includes outer sleeve probe (1) and locates measuring sensor (3) in outer sleeve probe (1), its characterized in that: an adjusting mechanism (2) is arranged in the outer sleeve probe tube (1), the adjusting mechanism (2) is connected with the measuring sensor (3), 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 moving 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 moving block (24) arranged in the moving chamber (200), an installation groove (240) arranged on one side wall of the moving block (24), a limiting block (25) fixedly connected to the other side wall of the moving block (24), a return spring (23) arranged in the installation groove (240), a winding rod (28) movably arranged on the inner wall of the moving chamber (200), a second bevel gear (27) arranged on one end of the winding rod (28), and a connecting rope (26) arranged between the winding rod (28) and the moving block (24.
2. The directional MWD downhole probe for oil drilling according to claim 1, wherein: be equipped with the spacing draw-in groove of a plurality of (10) on the inner wall of overcoat probe tube (1), and the inner wall fixedly connected with fixture block (11) of overcoat probe tube (1), fixture block (11) are located the below of spacing draw-in groove (10), fixedly connected with fixed plate (12) on the inner wall of overcoat probe tube (1), and be equipped with the spring between fixed plate (12) and connection disc (20), fixed plate (12) are located the top of connecting disc (20).
3. The directional MWD downhole probe for oil drilling according to claim 2, wherein: the limiting block (25) penetrates through the movable cavity (200), the lower end face of the limiting block (25) is a plane, and the upper end face of the limiting block (25) is an arc face.
4. The directional MWD downhole probe for oil 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.
5. The directional MWD downhole probe for oil drilling according to claim 4, wherein: the lower protective shell (4) is provided with a plurality of through holes, and the lower protective shell (4) is conical.
6. The directional MWD downhole probe for oil drilling according to claim 1, wherein: the other end of the winding rod (28) is fixedly connected with an inner rotating disc, the inner rotating disc is located in the wall of the moving chamber (200), and the first bevel gear (29) and the second bevel gear (27) are meshed with each other.
7. The directional MWD downhole probe for oil drilling according to claim 6, wherein: the diameter of the wire winding rod (28) is smaller than that of the inner rotating disc, a rope winding groove is formed in the wire 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 of one side wall of the moving block (24).
8. The directional MWD downhole probe for oil drilling according to claim 7, 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).
9. The directional MWD downhole probe for oil drilling according to claim 2, wherein: the motor (21) is electrically connected with an external control system, the clamping block (11) is annular, and the clamping block (11) is in contact with the measuring sensor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757950.3U CN210685963U (en) | 2019-10-20 | 2019-10-20 | Directional MWD (measurement while drilling) underground probe for petroleum drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757950.3U CN210685963U (en) | 2019-10-20 | 2019-10-20 | Directional MWD (measurement while drilling) underground probe for petroleum drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210685963U true CN210685963U (en) | 2020-06-05 |
Family
ID=70895327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921757950.3U Active CN210685963U (en) | 2019-10-20 | 2019-10-20 | Directional MWD (measurement while drilling) underground probe for petroleum drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210685963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529102A (en) * | 2019-10-20 | 2019-12-03 | 达坦能源科技（上海）有限公司 | A kind of oil drilling orientation MWD underground probe |
-
2019
- 2019-10-20 CN CN201921757950.3U patent/CN210685963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529102A (en) * | 2019-10-20 | 2019-12-03 | 达坦能源科技（上海）有限公司 | A kind of oil drilling orientation MWD underground probe |
| CN110529102B (en) * | 2019-10-20 | 2024-09-27 | 上海达坦能源科技股份有限公司 | Directional MWD underground exploratory tube for petroleum drilling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8136591B2 (en) | Method and system for using wireline configurable wellbore instruments with a wired pipe string | |
| EP2230376A2 (en) | Power systems for wireline well service using wires pipe string | |
| CN205748352U (en) | A kind of full Intelligent testing ramp | |
| CN109751975A (en) | A multi-section free combination automatic deep displacement inclinometer | |
| CN110736422A (en) | prefabricated magnetic field layout system and deformation state response method | |
| CN111980003A (en) | An automatic measuring device for deep horizontal displacement | |
| CN210685963U (en) | Directional MWD (measurement while drilling) underground probe for petroleum drilling | |
| CN113756717A (en) | a rotary guide | |
| CN203050684U (en) | Clamp piston and hole diameter logger | |
| CN204924522U (en) | A moment of torsion detection device for revolving dig rig unit head | |
| CN210141836U (en) | Dipperstick for construction | |
| CN110529102B (en) | Directional MWD underground exploratory tube for petroleum drilling | |
| CN118049261B (en) | An anchor system based on fiber grating anchor monitoring | |
| CN113983919A (en) | Rock mass borehole side surface structure measuring device and measuring method | |
| CN113124957A (en) | Active old kiln water level measuring device and measuring method | |
| CN111854710A (en) | Underground pipeline surveying and mapping method | |
| CN218816378U (en) | Electromagnetic probe for logging instrument | |
| CN203978422U (en) | A kind of rig depth detection apparatus | |
| CN214502594U (en) | Active old kiln water level measuring device | |
| CN202676245U (en) | Pontoon type underground water embedded depth rate meter | |
| CN207296904U (en) | Logging instrument is with brill centralizer | |
| CN212837586U (en) | Rotary guide device | |
| CN202596721U (en) | Forty-arm caliper | |
| CN210127834U (en) | Rotary guide short joint for underground communication terminal | |
| CN207027361U (en) | A kind of caliper pull bar potentiometer tool specially for attaching and detaching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 1807, 497 Zhengli Road, Yangpu District, Shanghai Patentee after: Shanghai datan Energy Technology Co.,Ltd. Address before: Room 1807, 497 Zhengli Road, Yangpu District, Shanghai Patentee before: TARTAN ENERGY TECH (SHANGHAI) LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A directional MWD downhole exploration tube for oil drilling Granted publication date: 20200605 Pledgee: Industrial Bank Co.,Ltd. Shanghai Pengpu Sub branch Pledgor: Shanghai datan Energy Technology Co.,Ltd. Registration number: Y2024310000404 |