CN202215225U - Device for petroleum drilling pressure and torsion measurement while drilling - Google Patents
Device for petroleum drilling pressure and torsion measurement while drilling Download PDFInfo
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- CN202215225U CN202215225U CN2011202076454U CN201120207645U CN202215225U CN 202215225 U CN202215225 U CN 202215225U CN 2011202076454 U CN2011202076454 U CN 2011202076454U CN 201120207645 U CN201120207645 U CN 201120207645U CN 202215225 U CN202215225 U CN 202215225U
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Abstract
The utility model discloses a device for petroleum drilling pressure and torsion measurement while drilling, wherein the appearance of the device is a section of drill collar short piece, conical internal threads are arranged at the upper part of the section of drill collar short piece, conical external threads are arranged at the lower part of the section of drill collar short piece, an annular groove is arranged at the middle part of the outer part of the section of drill collar short piece, a protection sleeve is assembled at the outer side of the annular groove, a space is left between the device and the protection sleeve, and a strain foil is assembled on a measurement sensitive area; and a round hole is arranged in the device, an inner pipe is installed in the hole, a round counter bore is arranged at the middle part of the inner side of the device, and a diversion sleeve assembly is installed in the counter bore, and is fixed through a suspension screw. The device solves the sealing problem of the existing patent technology, and an anti-abrasion belt and the inner pipe are used to respectively weaken the abrasion and erosion to the measurement sensitive area due to the slurry which connects the outer and the inner sides of a drill collar, so the long-term stability of the device performance is ensured. The device has a simple structure, is easy to change, and is applicable to batch and seriation production.
Description
Technical field:
The utility model relates to a kind of device that is applied to drilling well the pressure of the drill moment of torsion measurement while drilling in the petroleum drilling engineering.
Background technology:
In the drilling process, closely drilling engineering parameters such as the pressure of the drill at drill bit place, moment of torsion is crucial with boring accurately measurement to safety, efficient drilling well.Increase along with drilling depth; The exploitation of particularly multiple Multilateral Wells, horizontal well, fish-bone well; Various bit freezings, lost cone, the drilling tool drilling failure such as fall of breaking happens occasionally; The safety and efficiency of producing to drilling well brings very big influence, and the variation of measuring the drilling engineering parameters such as the pressure of the drill moment of torsion at nearly drill bit place in real time can prevent the generation of this type of accident effectively.Through accurately measurement in real time, can analyze, handle and contrast the actual well drilled process, and then instruct drilling process the nearly drill bit in down-hole place engineering parameter.As: rationally the confirming of mud equivalent circulating density, annular pressure detects with analytical technology etc.; Sum up the influence rule of each measurement parameter to drilling well process and efficient aspect; In time find and control some drilling failure, reach safety, the purpose of efficient drilling well, really realize the devoid of risk drilling well.
Known well drilling monitoring technology adopts surface torque appearance and weight indicator to measure moment of torsion and the pressure of the drill mostly, owing to the interaction process of the drill string in the drilling process and the borehole wall is complicated, calculates that by the ground survey data degree of accuracy that obtains nearly drill bit place engineering parameter is very poor.And drill string and drill collar receive the borehole wall of impact force that buoyancy and frictional force, drill collar transfer and elastic force, irregular borehole the centrifugal force of the frictional force of drill collar, the rotation of drill collar helical buckling and drill collar all are difficult for accurate Calculation in the longitudinal vibration of down-hole, horizontal factor such as shake in drilling fluid; Even if the prediction model Consideration is many again, calculate that result's the degree of accuracy and confidence level is also very low.As: in the drilling process of directional well and horizontal well, drill collar leans against or lies in the shaft bottom, can't only judge that with the pressure of the drill indicated value on the weight indicator of ground the shaft bottom really is added in the size of the pressure of the drill and the moment of torsion at drill bit place.In a word since the inaccuracy that ground instrument is measured and transmit data the time lag effect, calculate the with a low credibility of result even can't truly reflect the stressing conditions of down-hole equipment at all, all might cause the frequent generation of drilling failure.
The drill bit that uses in the oil drilling at present is divided into rock bit, diamond bit and drag bit three major types, and wherein: preceding two types of drill bits use more.Through the effect of drill bit rotation with the pressure of the drill, each tooth of drill bit alternately contacts bottom rock, makes catalase with effects such as impact, crushing and slip shear.Except that rotatablely moving, drill bit also has extensional vibration, and the frequency of extensional vibration is high, and amplitude is little.When adopting hole-bottom power drilling, mud motor is to deliver to the shaft bottom and lean on drill string and drill collar to bear reaction torque with drill string.When adopting rotary drilling, rely on drill string and drill collar to transmit the pressure of the drill and moment of torsion to the shaft bottom.In the actual well drilled process, might be the Combined application of two kinds of drilling modes, the engineering parameter Changing Pattern at nearly drill bit place be complicated more.
Drill collar is in creeping into, descend different drilling process such as brill, trip-out, and the stressing conditions and the forms of motion difference of drill string/drill collar different parts are very big.Mainly comprise: axial tension and pressure, moment of torsion, moment of deflection, centrifugal force, the inside and outside extruding of drill collar, extensional vibration, twisting vibration, side shake etc.Because the compound movement form of drill string and drill collar, drill bit have whirling motion phenomenon, shaft bottom the pressure of the drill to fluctuate in the shaft bottom very big, even the bouncing of drilling tool phenomenon that drill bit leaves the shaft bottom occurs.In theory, suffered power and the moment of drill collar can be reduced to: the pressure of the drill that drill bit is applied, transmit the moment of torsion of drill string, the moment of deflection that produces by drill string motion and shaft bottom reaction force and the drill vibration in the drilling process.From the angle of measuring technique, can be with the stressed moment of flexure effect that is reduced to axial the pressure of the drill and vibration, radially receives around axial pair of torque and drill collar of drill collar.
Both at home and abroad the developing focus of device for subsurface measuring is the measurement of geologic parameters such as the formation resistivity directly related with the oil-gas geology reserves, porosity, gamma ray always for many years; Measurement and control with how much well track parameters such as relevant hole deviation, orientation, tool face azimuth that lead; And less with engineering parameter Research on measuring technique such as drilling safety, the pressure of the drill that drilling efficiency is relevant, moment of torsion, annular pressures, retrieval finds only to have a spot of relevant therewith patented technology, analyzes comparison below respectively:
Known circular column draft, compress and reverse measuring technique and be based on the strain effect that tension and compression and torsional stress effect produce in the mechanics of materials, utilize the strain measurement principle to realize.To 0 °, 90 ° stickup foil gauges, obtain the size that cylinder receives the tension and compression active force along cylinder axis through the resistance variations of measuring foil gauge; To ± 45 ° of stickup foil gauges, obtain the size that cylinder receives torsional moment along cylinder axis through the resistance variations of measuring foil gauge; But this principle is applicable to the measurement of independent tension and compression effect, independent torsional interaction, can't directly apply to down-hole high temperature, high pressure, measured by the engineering parameter of combined stresses effect.
Practical work process based on above-mentioned measuring principle and downhole instrument; IFP had developed the first bench drill post mechanics parameter measuring instrument and had applied for patent in 1985; Famous subsequently oil instrument company, as: companies such as Schlumberger, Bake Hughes, APS have applied for relevant down-hole engineering parameter measurement pipe nipple patent in succession before and after 2000.These patents comprise United States Patent (USP): 6610935B1,4608861,4821563,4958517,5386724,6216533, European patent: PCT/US00/31685 etc.
The patent of IFP and Baker Hughes Inc is exactly basic tension and compression, the downhole instrument protective sleeve that the torque measurement principle adds different structure, different measuring circuit and sensor connected modes.The sealing performance that these two common shortcomings of patent are protective sleeve and Sensor section is poor; Particularly in the course of work of down-hole drill collar; Owing to usually can making mud invade Sensor section, the effect of moment of flexure cause the measuring circuit can't operate as normal; Baker Hughes Inc has carried out a large amount of work at the seal aspect of protective sleeve and transducing part, change-over circuit for this reason, has solved this problem to a certain extent.
Schlumberger and APS company have carried out further improvement to this technology; Through radially bore the hole of certain diameter, certain depth at drill collar; Foil gauge is sticked in the boring; With the high pressure sealing cover plate foil gauge is sealed in inside then, the contact conductor of foil gauge interconnects through the inside interface channel between the boring, and the measuring circuit that perhaps is installed in the drill collar wall groove in middle with the being installed in drill collar at last resistance to compression tube links to each other.The common ground of the two is the sealing problem that has solved protective sleeve, difference be embodied in radial hole arrangement, foil gauge lead-in wire connected mode and with the connected mode aspect of secondary change-over circuit.The shortcoming of this technology is also clearly: at first is relatively difficulty of inner lead hole processing, often needs processing respectively, and then welded together, perhaps adopt special instrument to process; Next is because the diameter of radial hole can not be too big, has caused very big difficulty for the stickup of foil gauge.The 3rd, the measurement characteristics of this device also shows certain non-linear, must be through just being applied to after ground scale and the verification in the middle of the actual measurement.
Except that the patent of above-mentioned leading company, domestic researcher also applied for the patented technology close with Baker Hughes Inc before and after 2005.As: CN 2076154U, ZL200420030034.7, ZL200320105002.4 etc.; Also have part company to carry out improvement and patent application to sealing problem, processing problems respectively abroad, but all do not change difficulty of processing, the contradiction between the sealing performance, measurement device characteristic three, therefore, the technical raising that does not have internal.
The utility model content:
The purpose of the utility model provides a kind of device of simple and practical oil drilling the pressure of the drill moment of torsion measurement while drilling.Compared with prior art, this device has overcome measures the defective that the sensitizing range sealing performance is difficult to guarantee, and has guaranteed the linear relationship between the device input, can be adapted to different down-hole engineering parameters and measure occasion; The utility model replacing simple in structure, implement device easily, can be advantageously connected to the different measuring position of drill collar.
The technical scheme of the utility model is:
A kind of device that is used for oil drilling the pressure of the drill moment of torsion measurement while drilling comprises that top connects drill collar, drill collar pipe nipple, water conservancy diversion cover assembly, hanging screw, wear-resistant belt, foil gauge, bottom connection drill collar, measuring circuit, internal lining pipe, protection sleeve, measurement sensitizing range, sealing ring, wire guide, high pressure sealing cover plate, torque measurement foil gauge, the pressure of the drill measurement foil gauge, torque measurement bridge circuit, the pressure of the drill measurement bridge circuit, moment of torsion amplifying unit and the pressure of the drill amplifying unit.
Drill collar pipe nipple top is processed with conical internal thread; The bottom is processed with conical external screw thread, and outside mid portion is processed with cannelure, and protection sleeve is equipped with in the cannelure outside; Protection sleeve is fixing with the welding of measurement sensitizing range; Upper and lower edge is processed with wear-resistant belt along circumference at protection sleeve, leaves the space between drill collar pipe nipple and the protection sleeve, measures on the sensitizing range foil gauge is housed; Drill collar pipe nipple machined has circular port, and internal lining pipe is installed in the hole, and internal lining pipe is a Hardmetal materials, and the lower end is processed with external screw thread, is fastenedly connected with the internal thread of drill collar pipe nipple; Drill collar pipe nipple bosom partly is processed with circular counter bore, and water conservancy diversion cover assembly is installed in the counterbore, and water conservancy diversion cover assembly is fixed by hanging screw.
Foil gauge is connected to water conservancy diversion cover assembly and measuring circuit through lead via wire guide respectively, and lead is sealed by the high pressure sealing cover plate through the position of wire guide.
The beneficial effect that the described a kind of device that is used for oil drilling the pressure of the drill moment of torsion measurement while drilling of the utility model has is: (1). solved that existing patented technology exists because technical barrier poorly sealed, that the mud seepage causes instrument to lose efficacy; (2). meet Compression and Expansion stress, the torque measurement principle of the mechanics of materials, can accurately measure the pressure of the drill torque signal, and the input and output of device are linear; (3). through differently strained be connected, eliminated the influence of moment of flexure effect, made the measurement of engineering parameter more accurate the pressure of the drill torque measurement result; (4). utilize internal lining pipe to eliminate the inner mud of drill collar pipe nipple, utilize wear-resistant belt to solve outside mud of drill collar pipe nipple and the wear problem of the borehole wall, guaranteed the long-time stability of equipment energy characteristic the measurement sensitizing range to measuring washing away and wearing and tearing of sensitizing range; (5). whole apparatus structure is simple, is easy to change, and is fit to batch, producing in serial form.
Description of drawings:
A kind of system integration sketch map that is used for the device of oil drilling the pressure of the drill moment of torsion measurement while drilling of Fig. 1:
A kind of foil gauge schematic layout pattern that is used for the device of oil drilling the pressure of the drill moment of torsion measurement while drilling of Fig. 2;
A kind of the pressure of the drill change-over circuit sketch map that is used for the device of oil drilling the pressure of the drill moment of torsion measurement while drilling of Fig. 3;
A kind of goes through torque conversion circuit diagram that is used for the device of oil drilling the pressure of the drill moment of torsion measurement while drilling of Fig. 4.
1. top connects drill collar 2. drill collar pipe nipples 3. water conservancy diversion cover assembly
4. hanging screw 5. wear-resistant belts 6. foil gauges
7. the bottom connects drill collar 8. measuring circuits 9. internal lining pipes
10. protection sleeve 11. measurement sensitizing ranges 12. sealing rings
13. wire guide 14. high pressure sealing cover plates 15. torque measurement foil gauges
16. the pressure of the drill is measured foil gauge 17. torque measurement bridge circuits 18. the pressure of the drill and is measured bridge circuit
19. moment of torsion amplifying unit 20. the pressure of the drill amplifying units
The specific embodiment:
Combine Figure of description 1, accompanying drawing 2, accompanying drawing 3,4 pairs of the utility model of accompanying drawing to further describe at present.
Fig. 1 representes that the pressure of the drill torque-measuring apparatus is connected drill collar 1 with top, the bottom connects drill collar 7, the overall structure when water conservancy diversion cover assembly 3 links together.Wherein, measure sensitizing range 11 and be used for pasting the foil gauge 16 of measuring the pressure of the drill, the foil gauge 15 of measuring moment of torsion, the foil gauge bonding method is referring to Fig. 2.Foil gauge 6 lead-in wires extract the measuring circuit 8 that is connected in the water conservancy diversion cover assembly 3 through wire guide 13, and water conservancy diversion cover assembly 3 is fixing by hanging screw 4, and lead seals through high pressure sealing cover plate 14 through the position of wire guide 13.After foil gauge 6 stickups, lead-in wire are accomplished, protection sleeve 10 is linked together through the method for welding with measuring sensitizing range 11, thoroughly eliminate the mud that produces owing to the moment of flexure effect and invade and the seepage phenomenon; The wear-resistant belt 5 that is utilized in the upper and lower edge of protection sleeve 10 external surfaces reduces drill collar pipe nipple 2 outside mud and the outside deterioration of the borehole wall to installing; Utilize internal lining pipe 9 to isolate drill collar pipe nipple 2 inner mud and measurement sensitizing range 11, eliminate the inter deterioration of inner mud device, thus the long-time stability of assurance device measurement performance.When device receives the pressure of the drill torsional interaction; Because internal lining pipe 9 one ends are with being threaded onto drill collar pipe nipple 2; The other end utilizes the circulation of sealing ring 12 blocking-up mud, so internal lining pipe 9 can not bear the pressure of drill collar pipe nipple 2 inner mud basically, does not also influence the measurement characteristics of device.
Fig. 2, Fig. 3, Fig. 4 represent the measuring circuit of bonding method and the pressure of the drill moment of torsion of foil gauge.Fig. 2, Fig. 3, Fig. 4 are with foil gauge 11 0~360 ° of expansion in surface along the measurement sensitizing range; The pressure of the drill is measured the combination of 0 °, 90 ° two kinds of bonding methods of foil gauge 16 usefulness and is measured the pressure of the drill, and moment of torsion is measured in the combination of torque measurement foil gauge 15 usefulness ± 45 ° two kinds of bonding methods; The fundamental measurement principle of device meets tension and compression in the mechanics of materials, reverses measuring principle; It is the Wheatstone bridges that increase the adjustment at zero point that torque measurement bridge circuit 17, the pressure of the drill are measured bridge circuit 18; Be used to regulate because the unbalanced influence of foil gauge initial stress that taping process produces; Through two identical resistance string of 180 ° at interval be connected in a brachium pontis, 45 ° the foil gauge of will being separated by inserts the way in the adjacent brachium pontis; Can offset the influence of moment of flexure effect, realize the accurate measurement of the pressure of the drill moment of torsion measurement result.
Below, further specify the basic principle of device: (1) through the processing and the assemble sequence of device. the cylinder middle part of one section non magnetic drill collar material is thin with the lathe car to the middle and lower part, when reaching the design external diameter of measuring sensitizing range 11, get into next step; (2). processing is connected the conical internal thread that drill collar 1 connects with top on drill collar pipe nipple 2, and processing is connected the conical external screw thread that drill collar 1 connects with the bottom, the counterbore and the slurry channel of installation and processing water conservancy diversion cover assembly 3; (3). processing wire guide 13 on drill collar pipe nipple 2, the counterbore of installation and processing high pressure sealing cover plate 14 and the through hole that is connected with water conservancy diversion cover assembly 3; (4). processing water conservancy diversion cover assembly 3, water conservancy diversion cover assembly 3 inside install and measure circuit 8; (5). a pair of hanging screw hole and a pair of hanging screw 4 of installation and processing water conservancy diversion cover assembly 3 on drill collar pipe nipple 2; (6). the connecting thread of processing drill collar pipe nipple 2 inside and internal lining pipe 9, processing internal lining pipe 9; (7). water conservancy diversion cover assembly 3 is installed, with hanging screw 4 water conservancy diversion is overlapped assembly 3 and fix; (8). by measurement requirement, paste the pressure of the drill and measure foil gauge 16 and torque measurement foil gauge 15, after bridge resistance, is connected, contact conductor (measuring power supply, the output signal line of bridge circuit) is led to water conservancy diversion cover assembly 3 from wire guide 13; (9). high pressure sealing cover plate 14 is installed; Processing protection sleeve 10 welds together protection sleeve 10 and measurement sensitizing range 11 then; (10). sealing ring 12 and internal lining pipe 9 are installed; (11). processing wear-resistant belt 5; (12) processing top connection drill collar 1 is connected drill collar 7 and is connected fastening with the upper end internal thread of drill collar pipe nipple 2 with the lower end external screw thread respectively with the bottom.So far, whole device is processed and assembled, can carry out the measurement while drilling of the pressure of the drill moment of torsion.
See that from outward appearance and connected mode measuring pipe nipple and general drill collar pipe nipple does not have difference.Can optionally be connected to any a section of nearly drill bit place drill collar according to practical measurement requirement, Fig. 1 has represented this connected mode.During actual the use, the measurement pipe nipple that connects with the drill collar lower going-into-well at the bottom of, its function is to transmit the drill collar of the pressure of the drill moment of torsion, device that also to be a measurement change with monitoring down-hole engineering parameter.
In the drilling process; Under the effect of nearly drill bit place the pressure of the drill moment of torsion; Be pasted on the foil gauge of measuring on the sensitizing range 11 16 and convert the pressure of the drill and torsional interaction to the signal of telecommunication, converting into through the secondary change-over circuits 18 that are positioned at water conservancy diversion cover assembly 3 inside can be by the data signal of change-over circuit processor acquisition and recording.The working method of change-over circuit processor has two kinds; A kind of is that the data signal of acquisition and recording is stored in the nonvolatile memory chip of change-over circuit; The drilling process laggard line data playback that finishes, pulls out of hole utilizes the Changing Pattern of engineering parameter in the drilling process that the computer system analysis on ground accomplished.Another kind is that the data signal of acquisition and recording is carried out communication through water conservancy diversion cover assembly 3 with measurement-while-drilling system (MWD); Communication modes can be RS232, RS485 or other wireless transmission method; Be transferred to ground monitoring system by MWD, monitor the Changing Pattern of engineering parameter in the drilling process in real time.
Claims (4)
1. device that is used for oil drilling the pressure of the drill moment of torsion measurement while drilling; Comprise that top connects drill collar (1), drill collar pipe nipple (2), water conservancy diversion cover assembly (3), hanging screw (4), foil gauge (6), bottom connection drill collar (7), measuring circuit (8), measures sensitizing range (11), sealing ring (12), wire guide (13), high pressure sealing cover plate (14), its characteristic also comprises wear-resistant belt (5), internal lining pipe (9), protection sleeve (10); Drill collar pipe nipple (2) top is processed with conical internal thread; The bottom is processed with conical external screw thread, and outside mid portion is processed with cannelure, and protection sleeve (10) is equipped with in the cannelure outside; Leave the space between drill collar pipe nipple (2) and the protection sleeve (10), measure on the sensitizing range (11) foil gauge (6) is housed; Drill collar pipe nipple (2) machined has circular port, and internal lining pipe (9) is installed in the hole, and drill collar pipe nipple (2) bosom partly is processed with circular counter bore, and water conservancy diversion cover assembly (3) is installed in the counterbore, and water conservancy diversion cover assembly (3) is fixing by hanging screw (4).
2. a kind of device that is used for oil drilling the pressure of the drill moment of torsion measurement while drilling according to claim 1 is characterized in that, protection sleeve (10) is fixed with measuring sensitizing range (11) welding, and upper and lower edge is processed with wear-resistant belt (5) along circumference at protection sleeve (10).
3. a kind of device that is used for oil drilling the pressure of the drill moment of torsion measurement while drilling according to claim 1 is characterized in that internal lining pipe (9) is a Hardmetal materials, and the lower end is processed with external screw thread, is fastenedly connected with the internal thread of drill collar (2).
4. the device of downhole weight on bit moment of torsion measurement while drilling according to claim 1; It is characterized in that; Foil gauge (6) is connected to water conservancy diversion cover assembly (3) and measuring circuit (8) through lead via wire guide (13) respectively, and lead is sealed by high pressure sealing cover plate (14) through the position of wire guide (13).
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CN2011202076454U CN202215225U (en) | 2011-06-20 | 2011-06-20 | Device for petroleum drilling pressure and torsion measurement while drilling |
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CN2011202076454U CN202215225U (en) | 2011-06-20 | 2011-06-20 | Device for petroleum drilling pressure and torsion measurement while drilling |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102839969A (en) * | 2011-06-20 | 2012-12-26 | 中国石油化工集团公司 | Device for bit pressure/torque measurement while drilling in oil drilling |
CN103244100A (en) * | 2013-04-27 | 2013-08-14 | 盘锦辽河油田裕隆实业集团有限公司 | Miniature tension logging instrument |
CN105484742A (en) * | 2015-12-16 | 2016-04-13 | 中国石油天然气集团公司 | Multi-parameter logging while drilling apparatus |
CN106032749A (en) * | 2015-03-09 | 2016-10-19 | 通用电气公司 | A measurement-while-drilling device and a method |
CN108661627A (en) * | 2018-04-28 | 2018-10-16 | 中国石油集团工程技术研究院有限公司 | A kind of signal processing system and method for torque measurement |
CN108801519A (en) * | 2018-04-28 | 2018-11-13 | 中国石油集团工程技术研究院有限公司 | One kind is with brill torque sensor and torque measuring method |
CN112832747A (en) * | 2020-12-24 | 2021-05-25 | 山东科技大学 | Inner-outer ring nested type pressure-torsion sensor elastomer structure and sensing element sealing method |
CN113550733A (en) * | 2020-04-03 | 2021-10-26 | 中石化石油工程技术服务有限公司 | Measurement-while-drilling nipple for coiled tubing engineering and use method thereof |
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 |
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2011
- 2011-06-20 CN CN2011202076454U patent/CN202215225U/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102839969A (en) * | 2011-06-20 | 2012-12-26 | 中国石油化工集团公司 | Device for bit pressure/torque measurement while drilling in oil drilling |
CN103244100A (en) * | 2013-04-27 | 2013-08-14 | 盘锦辽河油田裕隆实业集团有限公司 | Miniature tension logging instrument |
CN106032749A (en) * | 2015-03-09 | 2016-10-19 | 通用电气公司 | A measurement-while-drilling device and a method |
CN106032749B (en) * | 2015-03-09 | 2019-09-13 | 通用电气公司 | Measurement while drilling device and method |
CN105484742A (en) * | 2015-12-16 | 2016-04-13 | 中国石油天然气集团公司 | Multi-parameter logging while drilling apparatus |
CN105484742B (en) * | 2015-12-16 | 2018-07-13 | 中国石油天然气集团公司 | A kind of multi-parameter logging while drilling apparatus |
CN108661627A (en) * | 2018-04-28 | 2018-10-16 | 中国石油集团工程技术研究院有限公司 | A kind of signal processing system and method for torque measurement |
CN108801519A (en) * | 2018-04-28 | 2018-11-13 | 中国石油集团工程技术研究院有限公司 | One kind is with brill torque sensor and torque measuring method |
CN108661627B (en) * | 2018-04-28 | 2022-02-01 | 中国石油天然气集团有限公司 | Signal processing system and method for torque measurement |
CN113550733A (en) * | 2020-04-03 | 2021-10-26 | 中石化石油工程技术服务有限公司 | Measurement-while-drilling nipple for coiled tubing engineering and use method thereof |
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 |
CN112832747A (en) * | 2020-12-24 | 2021-05-25 | 山东科技大学 | Inner-outer ring nested type pressure-torsion sensor elastomer structure and sensing element sealing method |
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Granted publication date: 20120509 |