CN209976534U - Novel drilling pressure torque logging probe - Google Patents
Novel drilling pressure torque logging probe Download PDFInfo
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- CN209976534U CN209976534U CN201920521441.4U CN201920521441U CN209976534U CN 209976534 U CN209976534 U CN 209976534U CN 201920521441 U CN201920521441 U CN 201920521441U CN 209976534 U CN209976534 U CN 209976534U
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- strain gauge
- torque
- bit
- weight
- drill collar
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Abstract
The utility model discloses a novel weight-on-bit torque logging probe belongs to the logging while drilling technical field. The electronic tube is fixedly arranged in the drill collar, an internal temperature sensor and an internal hydraulic sensor are arranged on the electronic tube, a strain gauge mounting hole is formed in the drill collar, a strain gauge is fixedly arranged on the circumferential direction of the bottom surface of the strain gauge mounting hole, and an external temperature sensor and an external hydraulic sensor are arranged on the side surface of the drill collar. The utility model discloses it is not high to mechanical structure processing requirement, need not to process the strain gauge mounting hole of high accuracy on the drill collar, easy dismounting has reduced the complicated sensor and has installed and removed the process, has avoided the strain gauge to install and remove the dead risk of stinging that the in-process exists, and instrument measurement accuracy is high moreover, reliable and stable.
Description
Technical Field
The utility model relates to a well logging while drilling technical field, concretely relates to novel weight-on-bit torque logging probe.
Background
During drilling, the drill bit is subjected to large drilling pressures and torques. By detecting the bit pressure and the torque applied to the drill bit, the damage of the drill bit caused by the continuous stress application during the drill bit sticking can be avoided, and meanwhile, more detailed stratum data can be obtained. The existing drilling pressure torque logging instrument has poor measurement accuracy and precision, very high requirement on the processing precision of a drill collar, complex instrument disassembly and assembly, easy seizure and higher maintenance cost of the instrument.
SUMMERY OF THE UTILITY MODEL
Technical problem to prior art existence, the utility model provides a novel weight-on-bit torque logging instrument's technical scheme, the dismouting is simple with the maintenance, and measurement accuracy is high moreover.
The utility model provides a novel pressure-torque logging probe, includes drill collar and electron section of thick bamboo, electron section of thick bamboo fixed mounting is in the drill collar, install inside temperature sensor and inside hydraulic sensor on the electron section of thick bamboo, be equipped with the foil gage mounting hole on the drill collar, fixed mounting has the foil gage on the foil gage mounting hole bottom surface circumferencial direction, and outside temperature sensor and outside hydraulic sensor are equipped with to the drill collar side.
Furthermore, the two strain gauge mounting holes are symmetrically distributed on the drill collar, each strain gauge comprises a bit pressure strain gauge and a torque strain gauge, and the number and the mounting mode of the bit pressure strain gauge and the torque strain gauge in the two strain gauge mounting holes are consistent.
Furthermore, the number of the drilling pressure strain gauges and the number of the torque strain gauges are eight, four drilling pressure strain gauges and four torque strain gauges are arranged in each strain gauge mounting hole, and the drilling pressure strain gauges and the torque strain gauges are evenly distributed on the circumference of the bottom surface of each drilling pressure mounting hole at intervals.
Furthermore, two symmetrical drilling pressure strain gauges in the circumferential direction of the strain gauge mounting hole form a bridge arm, and two symmetrical torque strain gauges form a bridge arm.
Furthermore, two sealing holes are formed in the drill collar, positioning sealing plugs are arranged in the sealing holes, the electronic tube is fixedly connected with the drill collar through the positioning sealing plugs, a first sealing plug and a second sealing plug are arranged at the upper parts of the sealing holes, an external temperature sensor and an external hydraulic sensor are arranged in the second sealing plug, and a liquid inlet is formed in the second sealing plug and communicated with the external hydraulic sensor.
Furthermore, the electronic tube comprises an electronic tube body, an upper plug and a lower plug, wherein the upper plug and the lower plug are arranged on the upper part and the lower part of the electronic tube body, the lower plug is provided with a flow guide hole, the internal temperature sensor and the internal hydraulic sensor are arranged on the lower plug, and the flow guide hole is communicated with the internal hydraulic sensor.
The utility model discloses it is not high to mechanical structure processing requirement, need not to process the strain gauge mounting hole of high accuracy on the drill collar, easy dismounting has reduced the complicated sensor and has installed and removed the process, has avoided the strain gauge to install and remove the dead risk of stinging that the in-process exists, and instrument measurement accuracy is high moreover, reliable and stable.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a sectional view taken along the direction A-A of the present invention;
FIG. 3 is a strain gage layout diagram;
FIG. 4 is a wiring diagram of the arrangement of the weight-on-bit strain gauges;
FIG. 5 is a schematic view of a drill pressure strain gage;
FIG. 6 is a layout wiring diagram of torque strain gauges;
FIG. 7 is a schematic diagram of torque strain gage wiring;
wherein: 1-a drill collar; 2-strain gauge; 3-sealing the plug; 4-an electronic cartridge; 5-internal hydraulic pressure sensor; 6-lower blockage; 7-internal temperature sensor; 8-diversion holes; 9-electron tube body; 10-upper blockage; 11-positioning the sealing plug; 12-a second sealing plug; 13-an external temperature sensor; 14-a liquid inlet; 15-external hydraulic pressure sensor; 16-first sealing plug.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings of the specification.
A novel drilling pressure and torque logging probe is shown in figures 1 to 2 and comprises a drill collar 1 and an electronic tube 4, wherein the electronic tube 4 is arranged inside the drill collar 1, sealing holes are formed in two symmetrical sides of the drill collar 1, a positioning sealing plug 11 is arranged in each sealing hole, the electronic tube 4 is fixedly connected with the drill collar 1 through the positioning sealing plug 11, and a first sealing plug 16 and a second sealing plug 12 are arranged on the upper portion of each sealing hole for sealing. An external temperature sensor 13 and an external hydraulic pressure sensor 15 are arranged on the second sealing plug 12, a liquid inlet 14 is arranged on the second sealing plug 12, and liquid is in contact with the external hydraulic pressure sensor 15, so that the external hydraulic pressure is measured.
The electronic cylinder 4 comprises an electronic cylinder body 9, an upper plug 10 and a lower plug 6 which are arranged on the upper side and the lower side, the upper plug 9 and the lower plug 6 are fixedly connected with the electronic cylinder body 9 through threaded seal rings, an internal temperature sensor 7 and an internal hydraulic pressure sensor 5 are arranged on the lower plug 6 and used for measuring the internal temperature and the internal hydraulic pressure of the drill collar 1, and a flow guide hole 8 is formed in the lower plug 6 and used for guiding the pressure of slurry in the drill collar 1 into the internal hydraulic pressure sensor.
In addition, the drill collar 1 is symmetrically provided with strain gauge mounting holes for mounting the strain gauges 2, and the mounting holes are sealed by sealing plugs. The strain gauge 2 is installed as shown in fig. 3 to 7, and includes eight torque strain gauges and eight weight strain gauges, and four torque strain gauges in each strain gauge installation hole are a first torque strain gauge T1, a second torque strain gauge T2, a third torque strain gauge T3 and a fourth torque strain gauge T4; a first weight-on-bit strain gauge W1, a second weight-on-bit strain gauge W2, a third weight-on-bit strain gauge W3, and a fourth weight-on-bit strain gauge W4. The first torque strain gauge T1 and the third torque strain gauge T3 form a first torque bridge arm, the second torque strain gauge T2 and the fourth torque strain gauge T4 form a second torque bridge arm, similarly, the first drilling pressure strain gauge W1 and the third drilling pressure strain gauge W3 form a first drilling pressure bridge arm, the second drilling pressure strain gauge W2 and the fourth drilling pressure strain gauge W4 form a second drilling pressure bridge arm, the mounting and connecting modes of the strain gauges in the other strain gauge mounting hole are the same, the four torque bridge arms form a full bridge torque for measurement, and the four drilling pressure bridge arms form a full bridge drill pressure for measurement.
Claims (6)
1. The utility model provides a novel pressure-torque logging probe, includes drill collar (1) and electronics section of thick bamboo (4), electronics section of thick bamboo (4) fixed mounting is in drill collar (1), its characterized in that install inside temperature sensor (7) and inside hydraulic sensor (5) on electronics section of thick bamboo (4), be equipped with the foil gage mounting hole on drill collar (1), fixed mounting has foil gage (2) on the foil gage mounting hole bottom surface circumferencial direction, and outside temperature sensor (13) and outside hydraulic sensor (15) are equipped with to drill collar (1) side.
2. The novel weight-on-bit torque logging probe according to claim 1, wherein the number of the strain gauge mounting holes is two, the strain gauges are symmetrically distributed on the drill collar (1), the strain gauge (2) comprises a weight-on-bit strain gauge and a torque strain gauge, and the weight-on-bit strain gauge and the torque strain gauge are arranged in the two strain gauge mounting holes in the same number and in the same installation mode.
3. The novel logging probe of claim 2, wherein the number of the weight-on-bit strain gauges and the number of the torque strain gauges are eight, and the number of the weight-on-bit strain gauges and the number of the torque strain gauges are four in each strain gauge mounting hole, and the weight-on-bit strain gauges and the torque strain gauges are uniformly distributed at intervals on the circumference of the bottom surface of the weight-on-bit mounting hole.
4. The novel weight-on-bit torque logging probe as claimed in claim 3, wherein the weight-on-bit strain gauges symmetric in the circumferential direction of the strain gauge mounting hole form bridge arms in pairs, and the torque strain gauges symmetric in pairs form bridge arms in pairs.
5. The novel weight-on-bit torque logging probe as claimed in claim 1, wherein the drill collar is provided with two sealing holes, a positioning sealing plug (11) is arranged in each sealing hole, the electronic cylinder (4) is fixedly connected with the drill collar (1) through the positioning sealing plug (11), a first sealing plug (16) and a second sealing plug (12) are arranged at the upper part of each sealing hole, an external temperature sensor (13) and an external hydraulic sensor (15) are arranged in the second sealing plug (12), and the second sealing plug (12) is provided with a liquid inlet (14) communicated with the external hydraulic sensor (15).
6. The novel logging probe for weight on bit and torque as claimed in claim 1, wherein the electronic cylinder (4) comprises an electronic cylinder body (9) and an upper plug (10) and a lower plug (6) which are arranged on the upper and lower parts of the electronic cylinder body (9), a flow guide hole (8) is arranged on the lower plug (6), the internal temperature sensor (7) and the internal hydraulic sensor (5) are arranged on the lower plug (6), and the flow guide hole (8) is communicated with the internal hydraulic sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521441.4U CN209976534U (en) | 2019-04-17 | 2019-04-17 | Novel drilling pressure torque logging probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521441.4U CN209976534U (en) | 2019-04-17 | 2019-04-17 | Novel drilling pressure torque logging probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976534U true CN209976534U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920521441.4U Active CN209976534U (en) | 2019-04-17 | 2019-04-17 | Novel drilling pressure torque logging probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209976534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647926A (en) * | 2020-12-24 | 2021-04-13 | 山东科技大学 | Sensor and measuring method for synchronously measuring bit pressure and torque of long-distance drilling rod |
| CN114109351A (en) * | 2020-08-31 | 2022-03-01 | 中石化石油工程技术服务有限公司 | Downhole drilling pressure torque measuring tool |
-
2019
- 2019-04-17 CN CN201920521441.4U patent/CN209976534U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109351A (en) * | 2020-08-31 | 2022-03-01 | 中石化石油工程技术服务有限公司 | Downhole drilling pressure torque measuring tool |
| CN112647926A (en) * | 2020-12-24 | 2021-04-13 | 山东科技大学 | Sensor and measuring method for synchronously measuring bit pressure and torque of long-distance drilling rod |
| CN112647926B (en) * | 2020-12-24 | 2023-08-18 | 山东科技大学 | Sensor and measuring method for synchronously measuring drilling pressure and torque of long-distance drilling rod |
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