CN212508279U - Downhole near-bit logging device - Google Patents
Downhole near-bit logging device Download PDFInfo
- Publication number
- CN212508279U CN212508279U CN202021241054.4U CN202021241054U CN212508279U CN 212508279 U CN212508279 U CN 212508279U CN 202021241054 U CN202021241054 U CN 202021241054U CN 212508279 U CN212508279 U CN 212508279U
- Authority
- CN
- China
- Prior art keywords
- nipple
- cylinder
- ring
- nipple joint
- section
- 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
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to an oil gas drilling operation is along with boring the logging technical field, is a nearly drill bit logging device in pit, it includes dabber, electron section of thick bamboo, launches nipple joint urceolus, nipple joint and nonmetal sealed cowling, launches nipple joint urceolus upper end inboard and is equipped with the upper mounting ring platform, launches nipple joint upper portion inboard that corresponds the lower side position of upper mounting ring platform and is equipped with upper spacing ring platform, and the upper mounting ring platform internal diameter is less than the upper spacing ring platform; and a nipple joint with the lower end positioned below the launching nipple outer cylinder is fixedly arranged on the inner side of the lower end of the launching nipple outer cylinder. The utility model has the advantages of reasonable and compact structure, convenient to use, it is through setting up above the drill bit the utility model discloses to set up monitoring facilities in the electronic storehouse in it, at the position monitoring drilling parameter that is close to the drill bit, can increase substantially the reservoir that exploratory well discovery rate and development well bore and meet the rate, be particularly useful for complicated stratum, thin target layer horizontal well development, have safety, laborsaving, simple and convenient, efficient characteristics.
Description
Technical Field
The utility model relates to an oil gas drilling operation is along with boring logging technical field, is a nearly drill bit logging device in pit.
Background
The unconventional oil and gas resources in China are rich, but unconventional oil and gas reservoirs are variable and have uncertainty, and some reservoirs are difficult-to-use reservoirs such as thin oil reservoirs and marginal oil reservoirs and face the problem of low reservoir drilling rate. The logging-while-drilling technology becomes a main engineering technology for solving the problem of low reservoir drilling rate, but the difficult-to-draw reservoir and unconventional oil and gas cannot be effectively developed and utilized due to the fact that key tools and technologies of domestic parts are immature. The traditional LWD instrument used at present has the advantages that the distance from a well deviation point and a gamma measuring point to a drill bit is about 13m, the measurement parameters are lagged, azimuth gamma cannot be measured, the well track cannot be corrected timely according to stratum changes, complex accidents are frequent, the reservoir drilling rate is low, and the research on the near drill bit measurement technology is urgently needed to be developed.
Disclosure of Invention
The utility model provides a nearly drill bit logging device in pit has overcome above-mentioned prior art not enough, and it can effectively solve the measurement parameter lag that current logging while drilling measurement station exists far away apart from the drill bit, can't measure position gamma, can not in time revise the well orbit and sealed not tight easy damaged problem according to the stratum change.
The technical scheme of the utility model is realized through following measure: a downhole near-bit well logging device comprises a mandrel, an electronic cylinder, a transmitting nipple outer cylinder, a nipple joint and a non-metal sealing cover, wherein an upper mounting ring platform is arranged on the inner side of the upper end of the transmitting nipple outer cylinder, an upper limiting ring platform is arranged on the inner side of the upper part of the transmitting nipple corresponding to the lower side position of the upper mounting ring platform, and the inner diameter of the upper mounting ring platform is smaller than that of the upper limiting ring platform; the inner side of the lower end of the transmitting nipple outer cylinder is fixedly provided with a nipple joint with the lower end positioned below the nipple joint, the outer side of the lower part of the nipple joint is provided with a transceiving ring groove, the outer side of the nipple joint corresponding to the position of the transceiving ring groove is fixedly provided with a non-metal sealing cover, the inner side of the middle part of the nipple joint is provided with a lower limiting ring platform, a mandrel is arranged between the upper mounting ring platform and the lower limiting ring platform, the upper end of the nipple joint is provided with a fixed ring groove, the nipple joint corresponding to the position of the lower part of the fixed ring groove is provided with a wire passing hole communicated with the transceiving ring groove, the outer; at least six electronic bins with outward openings are distributed on the outer side of the middle of the electronic bin along the circumference, winding grooves are formed in the outer side of the lower portion of the electronic bin, corresponding to the lower side positions of the electronic bins, an outer ring placing table is arranged on the outer side of the upper portion of each winding groove, and winding openings which are communicated up and down are formed in the outer end of the outer ring placing table.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the electronic warehouse also comprises a sensor, a power supply, a main control board and a wireless transmission device, wherein the power supply, the main control board and the sensor capable of detecting underground parameters are respectively arranged in the electronic warehouse, the wireless transmission device capable of receiving the sensor parameters and sending the sensor parameters in a wireless mode is arranged in the transceiving ring groove, the main control board is connected with the power supply, the sensor is connected with the main control board, and the main control board is connected with the wireless transmission device.
The nipple joint upper portion outside that corresponds transmission nipple urceolus lower extreme position above-mentioned can be equipped with fixed outer loop platform, and transmission nipple urceolus lower extreme is located fixed outer loop platform upside, and nonmetal sealed cowling upper end is located fixed outer loop platform downside.
The outer side of the fixed outer ring platform can be provided with anti-rotation grooves, fixing holes and power-on holes at intervals along the circumference, and the outer side of the lower end of the fixed outer ring platform is provided with anti-rotation grooves with forward openings.
Above-mentioned dabber can be including the first straight section from top to bottom fixed mounting together in proper order, the second conic section, the third straight section, fourth conic section and fifth straight section, the second conic section is big-end-up's frustum form, electron tube upper end inboard be equipped with the first taper hole of second conic section outside assorted, the fourth conic section is big-end-up's frustum form, electron tube lower extreme inboard be equipped with fourth conic section outside assorted second taper hole, electron tube includes half a left section of thick bamboo and half a right section of thick bamboo, half a left side section of thick bamboo is the half barrel that the opening is right, half a left side section of thick bamboo is the same with half a right side section of thick bamboo structure and is bilateral symmetry and distributes, half a left side section of thick bamboo is in the same place with half right.
The device also comprises a sealing ring, at least one sealing ring is arranged between the first straight section and the inner side of the upper part of the launching nipple joint outer barrel at an upper-lower interval, at least one sealing ring is arranged between the fifth straight section and the inner side of the upper part of the nipple joint at an upper-lower interval, at least one sealing ring is arranged between the inner side of the lower end of the launching nipple joint outer barrel and the outer side of the upper part of the nipple joint at an upper-lower interval, at least one sealing ring is arranged between the upper part of the non-metal sealing cover and the nipple joint at an upper.
The utility model has the advantages of reasonable and compact structure, convenient to use, it is through setting up above the drill bit the utility model discloses to set up monitoring facilities in the electronic storehouse in it, at the position monitoring drilling parameter that is close to the drill bit, can increase substantially the reservoir that exploratory well discovery rate and development well bore and meet the rate, be particularly useful for complicated stratum, thin target layer horizontal well development, have safety, laborsaving, simple and convenient, efficient characteristics.
Drawings
Fig. 1 is a schematic sectional view of the preferred embodiment of the present invention.
Fig. 2 is a schematic front view of the structure of fig. 1.
FIG. 3 is an enlarged cross-sectional view taken along line A-A of FIG. 1.
The codes in the figures are respectively: the electronic short section transmission device comprises a mandrel 1, an electronic barrel 2, a transmission short section outer barrel 3, a short section joint 4, an upper installation ring platform 5, an electronic bin 6, an upper limiting ring platform 7, a winding groove 8, an outer ring platform 9, a winding opening 10, a receiving and sending ring groove 11, a nonmetal sealing cover 12, a wire passing hole 13, a fixed outer ring platform 14, a sealing ring 15, an anti-rotation groove 16, a fixing hole 17, an upper hole 18 and a lower limiting ring platform 19.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1, 2 and 3, the underground near-bit well logging device comprises a mandrel 1, an electronic barrel 2, a transmitting short section outer barrel 3, a short section joint 4 and a nonmetal sealing cover, wherein an upper mounting ring platform 5 is arranged on the inner side of the upper end of the transmitting short section outer barrel 3, an upper limiting ring platform 7 is arranged on the inner side of the upper part of the transmitting short section corresponding to the lower side position of the upper mounting ring platform 5, and the inner diameter of the upper mounting ring platform 5 is smaller than that of the upper limiting ring platform 7; a short joint 4 with the lower end positioned below the lower end is fixedly installed on the inner side of the lower end of the transmitting short joint outer cylinder 3, a transceiving ring groove 11 is arranged on the outer side of the lower part of the short joint 4, a non-metal sealing cover 12 is fixedly installed on the outer side of the short joint 4 corresponding to the position of the transceiving ring groove 11, a lower limiting ring platform 19 is arranged on the inner side of the middle part of the short joint 4, a mandrel 1 is arranged between an upper installing ring platform 5 and the lower limiting ring platform 19, a fixed ring groove is arranged at the upper end of the short joint 4, a wire passing hole 13 communicated with the transceiving ring groove 11 is arranged on the short joint 4 corresponding to the position of the lower side of the fixed ring groove, an electronic cylinder; the outside of 2 middle parts of an electron section of thick bamboo along the circumference distribute has six at least outside electron storehouses 6 of opening, corresponds 2 lower parts outsides of electron section of thick bamboo 2 of 6 downside positions in electron storehouse and is equipped with wire winding groove 8, and 8 upper portion outsides in wire winding groove are equipped with places outer loop platform 9, place outer loop platform 9 outer end and be equipped with wire winding mouth 10 that link up from top to bottom. The depth, length and shape of the electronic bin 6 can be adjusted as required. In the using process, the utility model is sleeved outside a drill rod, the inner side of the lower end of a short joint is fixedly installed with a drill bit, an electronic barrel 2 provided with an electronic bin 6 is fixed outside a mandrel 1, an electronic device used in well logging while drilling can be placed in the electronic bin 6, the lower end of the electronic device can be placed at the lower side of the electronic bin 6 or at the upper side of an outer ring platform 9 according to the length of the electronic device, the difficulty in type selection of the electronic device is reduced, a wire of the electronic device in the electronic bin 6 can wind a cable in the outer side of the lower part of a winding groove 8 through a winding port 10, the connection between the electronic devices can be carried out in the winding groove 8, the cable of the electronic device is extended to the lower end of the electronic barrel 2, then the cable is connected into a receiving and dispatching ring groove 11 from a wire passing hole 13, the electronic device of a receiving and dispatching signal is arranged in the, nonmetal sealed cowling 12 lower extreme is located receiving and dispatching annular 11 below, and nonmetal sealed cowling 12 is used for sealed and protection receiving and dispatching signal electron device, and the signal can pass nonmetal sealed cowling 12, avoids oil gas damage receiving and dispatching the electron device in the annular 11 can be with wireless signal transmission to receiving the nipple joint again in the pit, and 2 outside fixed mounting transmission nipple joint urceolus 3 of electron section of thick bamboo can be used to protection electron device's sealed problem. The utility model has the advantages of reasonable and compact structure, convenient to use, it is through setting up above the drill bit the utility model discloses to set up monitoring facilities in the electronic storehouse 6 in it, at the position monitoring drilling parameter that is close to the drill bit, can increase substantially the reservoir that exploratory well discovery rate and development well bores and meets the rate, is particularly useful for complicated stratum, thin target stratum horizontal well development, has safety, laborsaving, simple and convenient, efficient characteristics.
The downhole near-bit logging device can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1, 2 and 3, the underground coal mine underground. In the use, the sensor can be gamma counter, quartzy plus table, temperature sensor and fluxgate etc. is used for monitoring gamma value, well slope, temperature and position respectively, because the used voltage of different sensors is different, for convenient, is equipped with vary voltage module and different voltage delivery outlets on the main control board for connect the power input of different sensors, need not to be equipped with solitary power for sensor, the main control board of every kind of different voltage.
As shown in the attached drawings 1, 2 and 3, a fixed outer ring platform 14 is arranged on the outer side of the upper part of the nipple joint 4 corresponding to the lower end position of the emission nipple outer cylinder 3, the lower end of the emission nipple outer cylinder 3 is positioned on the upper side of the fixed outer ring platform 14, and the upper end of the non-metal sealing cover 12 is positioned on the lower side of the fixed outer ring platform 14. When in use, the fixed outer ring table 14 is arranged to limit the descending position of the launching nipple outer cylinder 3 and the ascending position of the non-metal bushing.
As shown in fig. 1, 2 and 3, the outer side of the fixed outer ring table 14 is provided with anti-rotation slots 16, fixing holes 17 and upper electric holes 18 at intervals along the circumference, and the anti-rotation slots 16 are opened outwards. In the use process, the anti-rotation groove 16 and the fixing hole 17 are arranged to facilitate the matching installation with other tools, and a switch for controlling the electrification of an electronic device is arranged in the electrifying hole 18.
As shown in the accompanying drawings 1, 2 and 3, the mandrel 1 comprises a first straight section, a second conical section, a third straight section, a fourth conical section and a fifth straight section which are sequentially and fixedly mounted from top to bottom, the second conical section is in a frustum shape with a large top and a small bottom, a first conical hole matched with the outer side of the second conical section is arranged on the inner side of the upper end of the electronic tube 2, the fourth conical section is in a frustum shape with a large top and a small bottom, a second conical hole matched with the outer side of the fourth conical section is arranged on the inner side of the lower end of the electronic tube 2, the electronic tube 2 comprises a left half tube and a right half tube, the left half tube is a half tube body with a right opening, the left half tube and the right half tube are identical in structure and are in bilateral symmetry distribution, and the left half. In the use, seal dabber 1 through setting up with dabber 1 outside assorted electron section of thick bamboo 2, electron section of thick bamboo 2 divide into half a left section of thick bamboo and half a right section of thick bamboo, is convenient for install in the dabber 1 outside, and half a left side is in the same place with half a right section of thick bamboo accessible bolt fixed mounting.
As shown in the attached drawings 1, 2 and 3, the device further comprises a sealing ring 15, at least one sealing ring 15 is arranged between the first straight section and the inner side of the upper part of the launching nipple outer cylinder 3 at intervals from top to bottom, at least one sealing ring 15 is arranged between the fifth straight section and the inner side of the upper part of the nipple joint 4 at intervals from top to bottom, at least one sealing ring 15 is arranged between the inner side of the lower end of the launching nipple outer cylinder 3 and the outer side of the upper part of the nipple joint 4 at intervals from top to bottom, at least one sealing ring 15 is arranged between the upper part of the non-metal sealing cover 12 and the nipple joint 4 at intervals from top. In the use, through setting up sealing washer 15, can avoid in the entering electron storehouse 6, send and receive annular 11 and dabber 1 of steam etc. in the pit.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (8)
1. A downhole near-bit well logging device is characterized by comprising a mandrel, an electronic cylinder, a transmitting short-section outer cylinder, a short-section joint and a non-metal sealing cover, wherein an upper mounting ring platform is arranged on the inner side of the upper end of the transmitting short-section outer cylinder; the inner side of the lower end of the transmitting nipple outer cylinder is fixedly provided with a nipple joint with the lower end positioned below the nipple joint, the outer side of the lower part of the nipple joint is provided with a transceiving ring groove, the outer side of the nipple joint corresponding to the position of the transceiving ring groove is fixedly provided with a non-metal sealing cover, the inner side of the middle part of the nipple joint is provided with a lower limiting ring platform, a mandrel is arranged between the upper mounting ring platform and the lower limiting ring platform, the upper end of the nipple joint is provided with a fixed ring groove, the nipple joint corresponding to the position of the lower part of the fixed ring groove is provided with a wire passing hole communicated with the transceiving ring groove, the outer; at least six electronic bins with outward openings are distributed on the outer side of the middle of the electronic bin along the circumference, winding grooves are formed in the outer side of the lower portion of the electronic bin, corresponding to the lower side positions of the electronic bins, an outer ring placing table is arranged on the outer side of the upper portion of each winding groove, and winding openings which are communicated up and down are formed in the outer end of the outer ring placing table.
2. The downhole near-bit well logging device according to claim 1, further comprising a sensor, a power supply, a main control board and a wireless transmission device, wherein the power supply, the main control board and the sensor capable of detecting downhole parameters are respectively disposed in the electronic bin, the wireless transmission device capable of receiving the sensor parameters and transmitting wirelessly is disposed in the transceiver ring groove, the main control board is connected to the power supply, the sensor is connected to the main control board, and the main control board is connected to the wireless transmission device.
3. The downhole near-bit logging device according to claim 1 or 2, wherein a fixed outer ring table is arranged on the outer side of the upper part of the nipple joint corresponding to the lower end of the transmitting nipple outer cylinder, the lower end of the transmitting nipple outer cylinder is positioned on the upper side of the fixed outer ring table, and the upper end of the non-metal sealing cover is positioned on the lower side of the fixed outer ring table.
4. The downhole near-bit logging device of claim 3, wherein the outer side of the fixed outer ring platform is circumferentially provided with anti-rotation slots, fixing holes and upper holes at intervals, and the outer side of the lower end of the fixed outer ring platform is provided with anti-rotation slots with a forward opening.
5. The downhole near-bit logging device of claim 1, 2 or 4, wherein the mandrel comprises a first straight section, a second conical section, a third straight section, a fourth conical section and a fifth straight section which are fixedly mounted together from top to bottom in sequence, the second conical section is in a frustum shape with a large top and a small bottom, a first conical hole matched with the outer side of the second conical section is formed in the inner side of the upper end of the electronic cylinder, the fourth conical section is in a frustum shape with a large top and a small bottom, a second conical hole matched with the outer side of the fourth conical section is formed in the inner side of the lower end of the electronic cylinder, the electronic cylinder comprises a left half cylinder and a right half cylinder, the left half cylinder is a half cylinder with a right opening, the left half cylinder and the right half cylinder are identical in structure and are distributed in bilateral symmetry, and the left half cylinder and the right half cylinder are fixedly.
6. The downhole near-bit well logging device according to claim 3, wherein the mandrel comprises a first straight section, a second straight section, a third straight section, a fourth conical section and a fifth straight section which are fixedly mounted together from top to bottom in sequence, the second conical section is in a frustum shape with a large top and a small bottom, a first conical hole matched with the outer side of the second conical section is arranged on the inner side of the upper end of the electronic cylinder, the fourth conical section is in a frustum shape with a large top and a small bottom, a second conical hole matched with the outer side of the fourth conical section is arranged on the inner side of the lower end of the electronic cylinder, the electronic cylinder comprises a left half cylinder and a right half cylinder, the left half cylinder is a half cylinder with a right opening, the left half cylinder and the right half cylinder are identical in structure and are distributed in bilateral symmetry, and the left half cylinder and the right half cylinder are.
7. The downhole near-bit well logging device according to claim 5, further comprising a sealing ring, wherein at least one sealing ring is vertically spaced between the first straight section and the inner side of the upper portion of the launch nipple outer cylinder, at least one sealing ring is vertically spaced between the fifth straight section and the inner side of the upper portion of the nipple joint, at least one sealing ring is vertically spaced between the inner side of the lower end of the launch nipple outer cylinder and the outer side of the upper portion of the nipple joint, at least one sealing ring is vertically spaced between the upper portion of the non-metal sealing cover and the nipple joint, and at least one sealing ring is vertically spaced between the lower portion of the non-metal sealing cover and the.
8. The downhole near-bit well logging device according to claim 6, further comprising a sealing ring, wherein at least one sealing ring is vertically spaced between the first straight section and the inner side of the upper portion of the launch nipple outer cylinder, at least one sealing ring is vertically spaced between the fifth straight section and the inner side of the upper portion of the nipple joint, at least one sealing ring is vertically spaced between the inner side of the lower end of the launch nipple outer cylinder and the outer side of the upper portion of the nipple joint, at least one sealing ring is vertically spaced between the upper portion of the non-metal sealing cover and the nipple joint, and at least one sealing ring is vertically spaced between the lower portion of the non-metal sealing cover and the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241054.4U CN212508279U (en) | 2020-06-30 | 2020-06-30 | Downhole near-bit logging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241054.4U CN212508279U (en) | 2020-06-30 | 2020-06-30 | Downhole near-bit logging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212508279U true CN212508279U (en) | 2021-02-09 |
Family
ID=74432371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021241054.4U Active CN212508279U (en) | 2020-06-30 | 2020-06-30 | Downhole near-bit logging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212508279U (en) |
-
2020
- 2020-06-30 CN CN202021241054.4U patent/CN212508279U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1676874B (en) | Well deflection and position gamma measuring nistrument during drilling | |
| CN205135607U (en) | Novel along with boring position gamma formation of image instrument | |
| CN201221354Y (en) | Near-bit geology guide probe system | |
| CN100593625C (en) | Central cable type high-strength large-through-hole rod | |
| CN103485766B (en) | Signal wireless two-way transmitting device between main shaft and kink in the rotary steering bottom hole assembly of a kind of down-hole | |
| CN111594152B (en) | Underground near-bit measuring short joint | |
| CN106223937A (en) | A kind of reception device being applicable to the down-hole wireless short pass of nearly drill bit | |
| CN111911134B (en) | Near-bit geological guiding system | |
| CN212508279U (en) | Downhole near-bit logging device | |
| CN109798102A (en) | Engineering parameter measurement and risk monitoring and control system based on the interpolation Return Law | |
| CN110259432A (en) | A kind of fine detection device of mining drilling radar and method based on drilling machine push | |
| CN205605197U (en) | Nearly many parameter measurement of drill bit device in pit | |
| CN104596581A (en) | Intelligent suspension rod flow measuring device | |
| CN104500052A (en) | Compensation density logging-while-drilling instrument | |
| CN112253089B (en) | Electromagnetic wave resistivity measuring device while drilling | |
| CN205718937U (en) | Multinode overlength deep soils device based on acceleration transducer array | |
| CN206299374U (en) | A kind of reception device suitable for the underground wireless short pass of nearly drill bit | |
| CN105758290A (en) | Multi-node super-long deep part displacement monitoring system based on RS485 bus technology | |
| CN107339098A (en) | A kind of measurement while drilling drilling tool and its measurement pipe nipple | |
| CN205718830U (en) | Multinode overlength deep soils system based on RS485 bussing technique | |
| CN208310758U (en) | A kind of nearly drill bit electromagnetic resistivity adds gamma ray logger | |
| CN207004511U (en) | A kind of measurement while drilling drilling tool and its measurement pipe nipple | |
| CN212508280U (en) | Logging-while-drilling electronic bin device | |
| CN202220566U (en) | Wired communication screw | |
| CN209385111U (en) | Circuit docking facilities for drilling measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |