CN203296733U - Drilling tool capable of generating axial impact vibration - Google Patents
Drilling tool capable of generating axial impact vibration Download PDFInfo
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- CN203296733U CN203296733U CN201320362284XU CN201320362284U CN203296733U CN 203296733 U CN203296733 U CN 203296733U CN 201320362284X U CN201320362284X U CN 201320362284XU CN 201320362284 U CN201320362284 U CN 201320362284U CN 203296733 U CN203296733 U CN 203296733U
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- 238000005553 drilling Methods 0.000 title claims abstract description 73
- 210000002445 nipple Anatomy 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000009527 percussion Methods 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 239000003345 natural gas Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 230000035515 penetration Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000011435 rock Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 206010017389 Frotteurism Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
本实用新型涉及石油、天然气钻井的配套装置技术领域，提供了一种能够产生轴向冲击振动的钻井工具，包括上部安装有上接头的套筒，该套筒内固定设有两个定位环，每个定位环上均沿其周向设有若干导流孔，两定位环之间固定设有内筒，内筒的上部内侧设有导流装置，套筒的下部滑动套设有振动短节，振动短节与内筒之间设有可对振动短节产生轴向冲击的冲击装置，冲击装置滑动套设在内筒的下部，振动短节的下端伸出套筒，并螺纹连接有下接头。其利用振动能够对摩擦副之间的摩擦系数产生影响的特性，将轴向振动减阻技术引入钻井工程中，突破常规减阻措施的局限性，可有效减小钻柱与井壁之间的摩阻和扭矩，具有有效、可控的特点，具有广泛的应用前景。
The utility model relates to the technical field of supporting devices for oil and natural gas drilling, and provides a drilling tool capable of generating axial impact vibration, including a sleeve with an upper joint installed on the upper part, and two positioning rings are fixed inside the sleeve. Each positioning ring is provided with a number of diversion holes along its circumference, and an inner cylinder is fixed between the two positioning rings. The upper inner side of the inner cylinder is provided with a diversion device, and the lower sliding sleeve of the sleeve is provided with a vibrating nipple. An impact device that can produce axial impact on the vibrating short joint is installed between the pup joint and the inner cylinder. The impact device is slidably sleeved on the lower part of the inner cylinder. It uses the characteristic that vibration can affect the friction coefficient between friction pairs, and introduces axial vibration drag reduction technology into drilling engineering, breaking through the limitations of conventional drag reduction measures, and can effectively reduce the friction between the drill string and the well wall. Friction and torque are effective and controllable, and have broad application prospects.
Description
Technical field
The utility model relates to the corollary apparatus technical field of oil, gas drilling, relates in particular to a kind of drilling tool that can produce the axial impact vibration.
Background technology
Contacting in drilling process between drill string and the borehole wall, friction, make the pressure of the drill and moment of torsion can't effectively pass to drill bit, namely produce " dragging pressure ", " stick-slip " phenomenon, this phenomenon is along with the increase of difference and more obvious between head of liquid and formation pore pressure in the formation of the increase of hole angle, cutting bed and well, when serious, the pressure of the drill can't impose on drill bit fully, cause can't continuing to creep into, or cause drill bit to produce the stick-slip vibration, accelerate damage and the inefficacy of drill bit.Routine reduces the frictional resistance between drill string and the borehole wall, the main method of moment of torsion comprises Optimize Casing Program and mud property, reduces or avoid the formation of cutting bed, improves mud cake quality, adopts rotary steerable drilling and underbalance or near-balance drilling mode etc.But all there is certain limitation in abovementioned technology, and effect is limited.
Research shows that vibration can change the Frotteurism between friction pair, and the friction factor between friction pair is reduced, and the vibration drag reduction technology has been widely used in each engineering field.The vibration drag reduction technology belongs to controlled active drag reduction technology, is applied to drill string and borehole wall drag reduction, can overcome the limitation of conventional antifriction resistance moment of torsion technology, is an important development direction of high frictional resistance well drilling well drag reduction theoretical research and instrument development.Laboratory test results shows, in axial vibration, twisting vibration and three kinds of mode of vibrations of oscillation crosswise, the axial vibration drag-reduction effect greater than twisting vibration greater than oscillation crosswise.
The utility model content
The purpose of this utility model is to provide a kind of drilling tool that can produce the axial impact vibration, is intended to reach " stick-slip " phenomenon for eliminating " dragging pressures " that drilling process exists, thus raising rate of penetration and ultimate extension distance.
The utility model is to realize like this, a kind of drilling tool that can produce the axial impact vibration, comprise sleeve, the upper end of described sleeve is equipped with top connection, in described sleeve, coaxially be fixed with two locating rings, on each described locating ring, all along it, be circumferentially with some pod apertures, between two described locating rings, be fixed with inner core;
The upper inner of described inner core is provided with rotating guiding device, the bottom slip cap of described sleeve is provided with the vibration pipe nipple, between described vibration pipe nipple and described inner core, be provided with and can produce to described vibration pipe nipple the percussion mechanism of axial impact, the be slidably located in lower inside of described inner core of described percussion mechanism, described sleeve is stretched out in the lower end of described vibration pipe nipple, and the lower contact that has been threaded.
As a kind of improved plan, described guiding device comprises:
Rotary valve, described rotary valve rotates the upper inner that is arranged at described inner core, on the middle part barrel of described inner core, offers the inner core intercommunicating pore, on described rotary valve with it corresponding position offer along its axially extended rotary valve limit groove;
Impeller, described impeller coaxially is fixedly installed on the upper end of described rotary valve.
As a kind of improved plan, the valve body of described rotary valve and the inwall of described inner core are slidably matched, and are positioned at fixed cover on the valve body of described rotary valve of described inner core top and are provided with spacing sliding sleeve;
The upper end of the described inner core low sleeve that has been threaded, described low sleeve is set in the outside of described rotary valve; The smooth contact between described spacing sliding sleeve and described low sleeve.
As a kind of improved plan, described percussion mechanism comprises throttling rod, the upper end of described throttling rod is provided with boss, described boss slides and is arranged in described inner core, the lower end of described throttling rod is provided with the throttling rod tail end of back taper, on described throttling rod, be arranged with Compress Spring, an end of described Compress Spring leans the lower end at described inner core, and the other end of described Compress Spring leans on the upper surface of described throttling rod tail end;
The center, upper end of described vibration pipe nipple offers the vibration pipe nipple throttle orifice of back taper, described vibration pipe nipple throttle orifice be positioned at described throttling rod tail end under.
As a kind of improved plan, between the bottom of described vibration pipe nipple and the lower end of described sleeve, for polygon, be slidably matched.
As a kind of improved plan, the inwall of described sleeve is provided with the sleeve boss, be positioned at following described locating ring and be placed on described sleeve boss, be positioned at top described locating ring above leaned the location inner core, the upper end of described location inner core leans in described top connection.
As a kind of improved plan, described all interior generations of drilling tool that can produce the axial impact vibration are equipped with seal between two parts in axial sliding.
The drilling tool that can produce the axial impact vibration that the utility model provides, due to it, in sleeve, be fixedly installed inner core, and the upper inner at inner core is provided with rotating guiding device, the bottom slip cap of inner core is provided with percussion mechanism, and make the bottom of percussion mechanism stretch out sleeve, and the lower contact that is threaded; This drilling tool is arranged on apart from the drill string of drill bit certain distance the time, when drilling liquid flow during through this drilling tool, drilling tool produces the axial impact vibration, this axial impact vibration drives lower drilling string and produces axial vibration, eliminate " dragging pressure " and " stick-slip " phenomenon in drilling process, thereby improve rate of penetration and ultimate extension distance; When this drilling tool was directly installed on drill bit top, this axial impact vibration directly acted on bottom rock by drill bit, changes the stress of rock, improves rate of penetration.
The utility model reaches " stick-slip " phenomenon for " dragging pressure " of in high frictional resistance well section drilling process, existing, the characteristic of utilizing vibration to exert an influence to the friction factor between friction pair, the axial vibration drag reduction technology is introduced in drilling engineering, break through the limitation of conventional drag reduction measure, can effectively reduce frictional resistance and moment of torsion between drill string and the borehole wall, have effective, controlled characteristics, be with a wide range of applications.
The accompanying drawing explanation
Fig. 1 is the structural representation of the drilling tool that can produce axial impact vibration that provides of the utility model;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the B-B sectional view in Fig. 1;
In figure: the 1-top connection, the 2-sleeve, 3-locates inner core, 4-impeller, the spacing sliding sleeve of 5-, 6-low sleeve, 7-rotary valve, the 8-locating ring, 81-pod apertures, 9-inner core, 10-inner core intercommunicating pore, 11-rotary valve limit groove, 12-seal, the 13-throttling rod, the 14-Compress Spring, 15-vibrates pipe nipple, the 16-lower contact, 17-throttling rod tail end, 18-vibration pipe nipple throttle orifice.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The drilling tool that can produce the axial impact vibration that the utility model provides, comprise sleeve, the upper end of this sleeve is equipped with top connection, in sleeve, coaxially is fixed with two locating rings, on each locating ring, all along it, be circumferentially with some pod apertures, between two locating rings, be fixed with inner core;
The upper inner of inner core is provided with rotating guiding device, the bottom slip cap of sleeve is provided with the vibration pipe nipple, between vibration pipe nipple and inner core, be provided with and can produce to the vibration pipe nipple percussion mechanism of axial impact, the be slidably located in lower inside of inner core of percussion mechanism, sleeve is stretched out in the lower end of vibration pipe nipple, and the lower contact that has been threaded.
Fig. 1 shows the structural representation of the drilling tool that can produce the axial impact vibration that the utility model provides, and for convenience of explanation, this figure only provides the structure division relevant with the utility model.
The drilling tool that can produce the axial impact vibration comprises sleeve 2, the upper end of sleeve 2 is equipped with top connection 1, sleeve 2 is interior coaxially is fixed with two locating rings 8, on each locating ring 8, all along it, is circumferentially with between 81, two locating rings 8 of some pod apertures and is fixed with inner core 9;
The upper inner of inner core 9 is provided with rotating guiding device, the bottom slip cap of sleeve 2 is provided with vibration pipe nipple 15, between vibration pipe nipple 15 and inner core 9, be provided with and can produce to vibration pipe nipple 15 percussion mechanism of axial impact, the be slidably located in lower inside of inner core 9 of percussion mechanism, sleeve 2 is stretched out in the lower end of vibration pipe nipple 15, and the lower contact 16 that has been threaded.
In this embodiment, as shown in Figure 2, guiding device comprises:
After turn on pump, drilling fluid is flowed in this drilling tool by top connection 1, when drilling fluid flows through impeller 4, impeller 4 rotates under the drilling fluid souring, and driven rotary valve 7 rotates, rotary valve 7 and inner core 9 be relative rotating a circle often, and inner core intercommunicating pore 10 is communicated with once with rotary valve limit groove 11, and the outside drilling fluid of inner core 9 is introduced into to inner core 9 inside.
In this embodiment, the inwall of the valve body of rotary valve 7 and inner core 9 is slidably matched, be positioned at fixed cover on the valve body of rotary valve 7 of inner core 9 tops and be provided with spacing sliding sleeve 5, the upper end of inner core 9 low sleeve 6 that has been threaded, low sleeve 6 is set in the outside of rotary valve 7, the smooth contact between spacing sliding sleeve 5 and low sleeve 6, after adopting this kind structure, between spacing sliding sleeve 5 and low sleeve 6, can produce long-time relative sliding, play the sliding bearing effect, and the axially-movable of restricting rotation valve 7.
In this embodiment, percussion mechanism comprises throttling rod 13, the upper end of throttling rod 13 is provided with boss, this boss slides and is arranged in inner core 9, the lower end of throttling rod 13 is provided with the throttling rod tail end 17 of back taper, on throttling rod 13, be arranged with Compress Spring 14, an end of Compress Spring 14 leans in the lower end of inner core 9, and the other end of Compress Spring 14 leans on the upper surface of throttling rod tail end 17;
The center, upper end of vibration pipe nipple 15 offers the vibration pipe nipple throttle orifice 18 of back taper, vibration pipe nipple throttle orifice 18 be positioned at throttling rod tail end 17 under.
do not having before drilling fluid flows in this drilling tool, throttling rod 13, under the effect of Compress Spring 14, is in the state of stretching out, and throttling rod tail end 17 is less with vibration pipe nipple throttle orifice 18 gaps, after turn on pump, drilling fluid is flowed in this drilling tool by top connection 1, and flow to throttling rod tail end 17 and vibration pipe nipple throttle orifice 18 gaps by the pod apertures 81 on locating ring 8, because this gap is less at this moment, cause swiftly flowing drilling fluid to produce reverse pressure at this gap location, throttling rod 13 is mentioned, Compress Spring 14 is compressed, make the gap between throttling rod tail end 17 and vibration pipe nipple throttle orifice 18 become large, drilling fluid can pass through fast, and in drilling rod, drilling liquid pressure is less, meanwhile, drilling fluid flows through impeller 4, impeller 4 rotates under the drilling fluid souring, and driven rotary valve 7 rotates, rotary valve 7 and inner core 9 be relative rotating a circle often, inner core intercommunicating pore 10 is communicated with once with rotary valve limit groove 11, and the outside drilling fluid of inner core 9 is introduced into to inner core 9 inside, and acts on throttling rod 13 top end faces, at this moment, throttling rod is the drilling hydraulic dynamic balance Shang Xia 13, originally compacted Compress Spring 14 discharges, throttling rod 13 is transferred under spring-force driven dual, make the gap smaller between throttling rod tail end 17 and vibration pipe nipple throttle orifice 18, drilling fluid circulation area diminishes, produce water hammer, make to vibrate the 18 top drilling liquid pressure moment risings of pipe nipple throttle orifice, the surge pressure of this rising acts on the upper surface of vibration pipe nipple 15, make to vibrate pipe nipple 15 and produce axial impact shock, and drive connected lower contact 16 and lower drilling string or drill bit produces synchronous axial impact vibration, impeller 4 often rotates a circle, and inner core intercommunicating pore 10 is communicated with once with rotary valve limit groove 11, and throttling rod 13 axial stretchings once, change once the flow area between throttling rod tail end 17 and vibration pipe nipple throttle orifice 18, make to vibrate pipe nipple 18 vibrations once.
In the time of in this drilling tool is arranged on apart from the drill string of drill bit certain distance, this axial impact vibrates this axial impact vibration and drives lower drilling string generation axial vibration, eliminate " dragging pressure " and " stick-slip " phenomenon in drilling process, thereby improve rate of penetration and ultimate extension distance; When this drilling tool was directly installed on drill bit top, this axial impact vibration directly acted on bottom rock by drill bit, changes the stress of rock, improves rate of penetration.
In this embodiment, as shown in Figure 3, make to vibrate between the lower end of the bottom of pipe nipple 18 and sleeve 2 as polygon is slidably matched, the moment of torsion of drill string can be passed to drill bit effectively.
In this embodiment, on the inwall of sleeve 2, be provided with the sleeve boss, being positioned at following locating ring 8 is placed on the sleeve boss, be positioned at top locating ring 8 above leaned the location inner core 3, the upper end of location inner core 3 leans in top connection 1, after adopting this kind structure, can make inner core 9 and two locating rings 8 the assembly contact be fixed in sleeve 2, make between inner core 9, locating ring 8, location inner core 3, sleeve 2 and top connection 1, without relative motion, to be very easy to installation and the dismounting of each assembly.
In this embodiment, all generations in this drilling tool are equipped with seal 12 in axial sliding between two parts, can make it keep between any two slipper seal, prevent that drilling fluid is in its cooperation place leakage, both guarantee the descending impact force of throttling rod tail end 17, and can protect its speed uplink again.
The drilling tool that can produce the axial impact vibration that the utility model provides, due to it, in sleeve, be fixedly installed inner core, and the upper inner at inner core is provided with rotating guiding device, the bottom slip cap of inner core is provided with percussion mechanism, and make the bottom of percussion mechanism stretch out sleeve, and the lower contact that is threaded; This drilling tool is arranged on apart from the drill string of drill bit certain distance the time, when drilling liquid flow during through this drilling tool, drilling tool produces the axial impact vibration, this axial impact vibration drives lower drilling string and produces axial vibration, eliminate " dragging pressure " and " stick-slip " phenomenon in drilling process, thereby improve rate of penetration and ultimate extension distance; When this drilling tool was directly installed on drill bit top, this axial impact vibration directly acted on bottom rock by drill bit, changes the stress of rock, improves rate of penetration.
The utility model reaches " stick-slip " phenomenon for " dragging pressure " of in high frictional resistance well section drilling process, existing, the characteristic of utilizing vibration to exert an influence to the friction factor between friction pair, the axial vibration drag reduction technology is introduced in drilling engineering, break through the limitation of conventional drag reduction measure, can effectively reduce frictional resistance and moment of torsion between drill string and the borehole wall, have effective, controlled characteristics, be with a wide range of applications.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. the drilling tool that can produce the axial impact vibration, comprise sleeve, it is characterized in that:
The upper end of described sleeve is equipped with top connection, in described sleeve, coaxially is fixed with two locating rings, on each described locating ring, all along it, is circumferentially with some pod apertures, between two described locating rings, is fixed with inner core;
The upper inner of described inner core is provided with rotating guiding device, the bottom slip cap of described sleeve is provided with the vibration pipe nipple, between described vibration pipe nipple and described inner core, be provided with and can produce to described vibration pipe nipple the percussion mechanism of axial impact, the be slidably located in lower inside of described inner core of described percussion mechanism, described sleeve is stretched out in the lower end of described vibration pipe nipple, and the lower contact that has been threaded.
2. the drilling tool that can produce axial impact vibration as claimed in claim 1, it is characterized in that: described guiding device comprises:
Rotary valve, described rotary valve rotates the upper inner that is arranged at described inner core, on the middle part barrel of described inner core, offers the inner core intercommunicating pore, on described rotary valve with it corresponding position offer along its axially extended rotary valve limit groove;
Impeller, described impeller coaxially is fixedly installed on the upper end of described rotary valve.
3. the drilling tool that can produce axial impact vibration as claimed in claim 2, it is characterized in that: the valve body of described rotary valve and the inwall of described inner core are slidably matched, and are positioned at fixed cover on the valve body of the described rotary valve above described inner core and are provided with spacing sliding sleeve;
The upper end of the described inner core low sleeve that has been threaded, described low sleeve is set in the outside of described rotary valve;
The smooth contact between described spacing sliding sleeve and described low sleeve.
4. the drilling tool that can produce axial impact vibration as claimed in claim 1, it is characterized in that: described percussion mechanism comprises throttling rod, the upper end of described throttling rod is provided with boss, described boss slides and is arranged in described inner core, the lower end of described throttling rod is provided with the throttling rod tail end of back taper, on described throttling rod, be arranged with Compress Spring, an end of described Compress Spring leans the lower end at described inner core, and the other end of described Compress Spring leans on the upper surface of described throttling rod tail end;
The center, upper end of described vibration pipe nipple offers the vibration pipe nipple throttle orifice of back taper, described vibration pipe nipple throttle orifice be positioned at described throttling rod tail end under.
5. the drilling tool that can produce the axial impact vibration as claimed in claim 1, is characterized in that: between the bottom of described vibration pipe nipple and the lower end of described sleeve, for polygon, be slidably matched.
6. the drilling tool that can produce axial impact vibration as described as claim 1 to 5 any one, it is characterized in that: the inwall of described sleeve is provided with the sleeve boss, being positioned at following described locating ring is placed on described sleeve boss, be positioned at top described locating ring above leaned the location inner core, the upper end of described location inner core leans in described top connection.
7. the drilling tool that can produce axial impact vibration as claimed in claim 6 is characterized in that: all generations in the described drilling tool that can produce the axial impact vibration are equipped with seal between two parts in axial sliding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320362284XU CN203296733U (en) | 2013-06-22 | 2013-06-22 | Drilling tool capable of generating axial impact vibration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320362284XU CN203296733U (en) | 2013-06-22 | 2013-06-22 | Drilling tool capable of generating axial impact vibration |
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| CN201320362284XU Expired - Fee Related CN203296733U (en) | 2013-06-22 | 2013-06-22 | Drilling tool capable of generating axial impact vibration |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105696970A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Intermittent liquid flow impacting type well cementation vibrator |
| CN105696969A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Pulse-mechanical-impacting-type well cementing vibrator |
| CN106103883A (en) * | 2014-04-18 | 2016-11-09 | 哈里伯顿能源服务公司 | Reactive valve drilling jar system |
| CN106437518A (en) * | 2016-08-31 | 2017-02-22 | 中国石油集团渤海钻探工程有限公司 | Throttle-type pulse vibration drilling tool |
| CN106958416A (en) * | 2017-03-30 | 2017-07-18 | 中石化石油工程技术服务有限公司 | A kind of percussion drilling tool |
| CN107386981A (en) * | 2017-08-14 | 2017-11-24 | 中国石油大学(北京) | Drill bit pup joint |
| CN107420060A (en) * | 2017-09-06 | 2017-12-01 | 陕西延长石油(集团)有限责任公司研究院 | Pipe nipple occurs for a kind of underground vibrating |
| CN109779555A (en) * | 2017-11-13 | 2019-05-21 | 中石化石油工程技术服务有限公司 | A kind of valve type vibration cementing tool |
| CN112049567A (en) * | 2020-10-20 | 2020-12-08 | 中国石油集团渤海钻探工程有限公司 | Well drilling speed-up instrument suitable for screw rod drilling tool |
| CN112696163A (en) * | 2021-01-26 | 2021-04-23 | 中国石油大学(北京) | Well descending friction-reducing hydraulic vibrator |
| CN113464054A (en) * | 2020-03-30 | 2021-10-01 | 中国石油化工股份有限公司 | Drilling device and drilling method |
| CN114439373A (en) * | 2020-10-19 | 2022-05-06 | 中国石油化工股份有限公司 | Impact shearing composite drill bit for hard formation |
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| US10294745B2 (en) | 2014-04-18 | 2019-05-21 | Halliburton Energy Services, Inc. | Reaction valve drilling jar system |
| CN106103883A (en) * | 2014-04-18 | 2016-11-09 | 哈里伯顿能源服务公司 | Reactive valve drilling jar system |
| US10787875B2 (en) | 2014-04-18 | 2020-09-29 | Halliburton Energy Services, Inc. | Reaction valve drilling jar system |
| CN105696969A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Pulse-mechanical-impacting-type well cementing vibrator |
| CN105696970A (en) * | 2016-04-14 | 2016-06-22 | 东营万邦石油科技有限责任公司 | Intermittent liquid flow impacting type well cementation vibrator |
| CN105696970B (en) * | 2016-04-14 | 2018-05-08 | 东营万邦石油科技有限责任公司 | Interval liquid flow impact formula well cementation vibrator |
| CN106437518A (en) * | 2016-08-31 | 2017-02-22 | 中国石油集团渤海钻探工程有限公司 | Throttle-type pulse vibration drilling tool |
| CN106437518B (en) * | 2016-08-31 | 2018-12-04 | 中国石油集团渤海钻探工程有限公司 | A kind of throttle type pulse vibration well drilling tool |
| CN106958416A (en) * | 2017-03-30 | 2017-07-18 | 中石化石油工程技术服务有限公司 | A kind of percussion drilling tool |
| CN107386981A (en) * | 2017-08-14 | 2017-11-24 | 中国石油大学(北京) | Drill bit pup joint |
| CN107386981B (en) * | 2017-08-14 | 2023-05-12 | 中国石油大学(北京) | Drill sub |
| CN107420060A (en) * | 2017-09-06 | 2017-12-01 | 陕西延长石油(集团)有限责任公司研究院 | Pipe nipple occurs for a kind of underground vibrating |
| CN107420060B (en) * | 2017-09-06 | 2023-03-14 | 陕西延长石油(集团)有限责任公司研究院 | Underground vibration generation nipple |
| CN109779555A (en) * | 2017-11-13 | 2019-05-21 | 中石化石油工程技术服务有限公司 | A kind of valve type vibration cementing tool |
| CN113464054A (en) * | 2020-03-30 | 2021-10-01 | 中国石油化工股份有限公司 | Drilling device and drilling method |
| CN113464054B (en) * | 2020-03-30 | 2024-05-24 | 中国石油化工股份有限公司 | Drilling device and drilling method |
| CN114439373A (en) * | 2020-10-19 | 2022-05-06 | 中国石油化工股份有限公司 | Impact shearing composite drill bit for hard formation |
| CN114439373B (en) * | 2020-10-19 | 2025-01-24 | 中国石油化工股份有限公司 | An impact shearing composite drill bit for hard formations |
| CN112049567A (en) * | 2020-10-20 | 2020-12-08 | 中国石油集团渤海钻探工程有限公司 | Well drilling speed-up instrument suitable for screw rod drilling tool |
| CN112696163A (en) * | 2021-01-26 | 2021-04-23 | 中国石油大学(北京) | Well descending friction-reducing hydraulic vibrator |
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