CN108894723B - Drilling and production device for deep compact oil-gas well - Google Patents
Drilling and production device for deep compact oil-gas well Download PDFInfo
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- CN108894723B CN108894723B CN201811094682.1A CN201811094682A CN108894723B CN 108894723 B CN108894723 B CN 108894723B CN 201811094682 A CN201811094682 A CN 201811094682A CN 108894723 B CN108894723 B CN 108894723B
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- assembly
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- hammer
- movable carrier
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- 238000005553 drilling Methods 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000013500 data storage Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 22
- 238000010276 construction Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 239000003345 natural gas Substances 0.000 abstract description 3
- 239000003209 petroleum derivative Substances 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 description 8
- 239000000806 elastomer Substances 0.000 description 8
- 239000003079 shale oil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a drilling and production device for deep compact oil-gas wells, and belongs to the technical field of petroleum and natural gas drilling tools. The hammer comprises a hammering assembly and the like, wherein impact hammer rods are arranged in an upper bearing outer cylinder and a lower bearing outer cylinder, and an axial transmission bearing is arranged on an adjusting bearing seat arranged on the impact hammer rods through a lower positioning lock nut; the impact hammer rod is provided with an upper radial inner movable carrier sleeve, an upper radial outer movable carrier sleeve, a lower radial inner movable carrier sleeve and a lower radial outer movable carrier sleeve which are in close fit with each other; an elastic body is arranged on the impact hammer rod through an elastic body seat sleeve, a power hammer and a signal receiving/transmitting assembly are arranged on the impact hammer rod through a lower bearing cylinder locking nut, and a hammer head is arranged on the impact hammer rod through a hammer head locking nut; the steel has strong hardness, high drilling speed, long service life, short drilling period and low exploitation cost, and can acquire drilling information and carry out wireless return treatment. The problems of low drilling speed, long period, easy damage to the drill bit, no supporting collection return facility, low construction efficiency and high exploitation cost in the prior art are solved.
Description
Technical Field
The invention relates to a drilling and production device for deep compact oil-gas wells, and belongs to the technical field of petroleum and natural gas drilling tools.
Background
As shale oil and gas, tight oil and gas tend to be mined in deeper and harder formations, the requirements on the steel hardness of the drilling tool and the drilling process are increasing. In the drilling operation of shale oil gas wells and tight oil gas wells, the traditional drilling tool has the advantages of low drilling speed, long period, serious drill bit damage, no supporting acquisition and return facilities for real-time monitoring and related treatment, low construction efficiency, high exploitation cost, incapability of adapting to and meeting the current drilling requirements of complex wells in hard geological layers, strong steel hardness, high drilling speed, long service life, effective shortening of drilling period, great reduction of exploitation cost, simple structure and convenient operation, and is used for the adjustable drilling and exploitation device of tight oil gas wells so as to meet the urgent requirements of the current petroleum and natural gas industry on the complex well drilling tool in the working conditions of the hard geological layers.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the drilling construction method which is particularly suitable for the deep well with complicated working conditions of the hard geological layer, has strong steel hardness, high drilling speed and long service life, effectively shortens the drilling period, greatly reduces the exploitation cost, and can acquire drilling information from time to time and carry out wireless return processing; simple structure, convenient operation's a device of adopting that drills that is used for dense oil gas well.
The invention realizes the aim through the following technical scheme:
the utility model provides a bore and adopt device for deep dense oil gas well, it comprises bearing assembly, transmission load assembly, hammering assembly, signal receiving/transmitting assembly, its characterized in that: the bearing assembly comprises an upper bearing outer cylinder, a lower bearing outer cylinder, an impact hammer rod, a centralizer, a lower bearing cylinder lock nut, a lower positioning lock nut and a seat sleeve limiter; the transmission loaded assembly comprises a hammer rod upper lock nut, an upper radial inner movable carrier sleeve, an upper radial outer movable carrier sleeve, an adjusting bearing seat, an axial transmission bearing, a lower radial inner movable carrier sleeve and a lower radial outer movable carrier sleeve; the hammering assembly comprises an elastomer, an elastomer seat sleeve, an elastomer contact limiter, a lower bearing cylinder locking nut, a power hammer, a hammer head locking nut and a hammer head; the signal receiving/transmitting assembly comprises a power supply, an inductor, a central processing system, a wireless transmission system and a data storage system;
the upper bearing outer cylinder and the lower bearing outer cylinder are assembled into a whole through threads, an impact hammer rod is arranged in the upper bearing outer cylinder and the lower bearing outer cylinder through a hammer rod upper lock nut, an adjusting bearing seat is arranged on the impact hammer rod through a lower positioning lock nut, and an axial transmission bearing is arranged on the adjusting bearing seat for axial fixation and bearing axial force; an upper radial inner dynamic load sleeve and an upper radial outer dynamic load sleeve which are mutually in close fit are arranged on the impact hammer rod to bear upper radial force; the impact hammer rod is provided with a lower radial inner dynamic load sleeve and a lower radial outer dynamic load sleeve which are mutually in close fit, so as to bear the lower radial force; an elastic body is arranged on the impact hammer rod through an elastic body seat sleeve, an elastic body contact limiter is arranged between the elastic body and the elastic body seat sleeve, a power hammer and a signal receiving/transmitting assembly are arranged on the impact hammer rod through a lower bearing cylinder locking nut, and a hammer head is arranged on the impact hammer rod through a hammer head locking nut; the signal receiving/transmitting assembly is in wireless connection with the whole machine main control equipment.
The bearing assembly is a power bearing mechanism, and the impact hammer rod of the bearing assembly is provided with a connecting rod comprising: the device comprises an upper bearing outer cylinder, a lower bearing outer cylinder, a centralizer, a lower bearing cylinder lock nut, a lower positioning lock nut, a seat sleeve limiter, a transmission load assembly, a hammering assembly and a signal receiving/transmitting assembly.
The transmission load assembly is a power transmission and load mechanism and transmits power to the hammering assembly and bears radial load; the upper radial inner movable carrier sleeve outer ring of the transmission loaded assembly is matched with the upper radial outer movable carrier sleeve inner ring to bear radial force generated by the upper part of the whole device; the axial transmission bearing of the transmission loaded assembly not only bears axial force, but also transmits transmission power; the outer ring of the lower radial inner movable carrier sleeve of the transmission loaded assembly is matched with the inner ring of the lower radial outer movable carrier sleeve, and the radial force generated by the lower part of the whole device is born.
The hammering assembly is a controlled executing mechanism, a power hammer of the hammering assembly generates rotary hammering force and transmits the rotary hammering force to the hammer head, and the hammer head directly acts on the drill bit; the power hammer generates axial hammering force to react with the elastic body, the elastic body directly acts on the power hammer, and the power hammer applies hammering force to the stratum.
The signal receiving/transmitting assembly transmits the impact signals of the hammering assembly to the stratum and the related information of the bottom of the well in the drilling operation process at all times to the ground whole machine main control equipment through the wireless transmission system, and the central processing system controls the hammering frequency of the hammering assembly according to the instruction sent by the whole machine main control equipment; the data storage system is an SD card and temporarily stores signal data; the power supply is a box-packed lithium battery, so that the replacement is convenient; the sensor is a piezoelectric sensor and senses hammering information of the hammering assembly.
Compared with the prior art, the invention has the beneficial effects that:
according to the drilling and production device for the deep compact oil-gas well, the power bearing component is arranged through the bearing assembly, the power is transmitted to the hammering assembly through the transmission loading assembly, meanwhile, the radial load is borne, the rotation and impact acting force is transmitted to the hammer head through the hammering assembly, the hammer head directly acts on the drill bit, the power for rapidly breaking the rock is provided, the mechanical drilling speed is improved, the drilling period is shortened, and the oil-gas exploitation cost is greatly reduced; the impact signals of the hammering assembly to the stratum and the related information of the bottom hole in the process of drilling operation at all times can be transmitted back to the main control equipment of the ground whole machine through the signal receiving/transmitting assembly, so that the hammering frequency of the hammering assembly is controlled, and the drilling information of the bottom hole is timely mastered. The drilling and production device for the deep compact oil-gas well has the advantages of simple structure, strong steel hardness, short manufacturing period, low cost, convenient use and high economic benefit, is particularly suitable for drilling construction of hard geological layers and wells with complex working conditions, and is very favorable for large-scale popularization and use. The problems that in the prior art, the drilling operation process of shale oil gas wells and compact oil gas wells is low in drilling speed, long in period and serious in bit damage, and the existing drilling operation process is low in construction efficiency and high in exploitation cost because no supporting acquisition and return facilities are used for monitoring and carrying out related treatment at all times, and the current drilling requirement of complex wells on hard geological layers is difficult to meet are solved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a drilling and production device for deep tight oil and gas wells.
In the figure: 1. the impact hammer comprises an impact hammer rod, 2, a lock nut on the hammer rod, 3, an upper radial inner movable carrier sleeve, 4, an upper radial outer movable carrier sleeve, 5, an upper bearing outer cylinder, 6, an axial transmission bearing, 7, a lower positioning lock nut, 8, an adjusting bearing seat, 9, a lower bearing outer cylinder, 10, a seat cover limiter, 11, an elastomer contact limiter, 12, a power supply, 13, an inductor, 14, an elastomer, 15, a centralizer, 16, a power hammer, 17, a central processing system, 18, a wireless transmission system, 19, a data storage system, 20, a lower radial inner movable carrier sleeve, 21, a lower radial outer movable carrier sleeve, 22, a lower bearing cylinder lock nut, 23, a hammer head lock nut, 24, a hammer head, 25 and an elastomer seat cover.
Detailed Description
Embodiments of the drilling and production apparatus for deep tight oil and gas wells are described in further detail below (see fig. 1) with reference to the accompanying drawings:
the drilling and production device for deep dense oil-gas well consists of bearing assembly, transmission loading assembly, hammering assembly and signal receiving/transmitting assembly; the bearing assembly comprises an upper bearing outer cylinder 5, a lower bearing outer cylinder 9, an impact hammer rod 1, a centralizer 15, a lower bearing cylinder locking nut 22, a lower positioning locking nut 7 and a seat sleeve limiter 10; the transmission loaded assembly comprises a hammer rod upper lock nut 2, an upper radial inner movable carrier sleeve 3, an upper radial outer movable carrier sleeve 4, an adjusting bearing seat 8, an axial transmission bearing 6, a lower radial inner movable carrier sleeve 20 and a lower radial outer movable carrier sleeve 21; the hammering assembly comprises an elastic body 14, an elastic body seat cover 25, an elastic body contact limiter 11, a lower bearing cylinder locking nut 22, a power hammer 16, a hammer head locking nut 23 and a hammer head 24; the signal receiving/transmitting assembly comprises a power supply 12, an inductor 13, a central processing system 17, a wireless transmission system 18 and a data storage system 19;
the upper bearing outer cylinder 5 and the lower bearing outer cylinder 9 are assembled into a whole through threads, the impact hammer rod 1 is arranged in the upper bearing outer cylinder 5 and the lower bearing outer cylinder 9 through the upper hammer rod locking nut 2, the impact hammer rod 1 is provided with an adjusting bearing seat 8 through the lower positioning locking nut 7, and the adjusting bearing seat 8 is provided with an axial transmission bearing 6 for axial fixation and bearing axial force; an upper radial inner movable carrier sleeve 3 and an upper radial outer movable carrier sleeve 4 which are mutually in close fit are arranged on the impact hammer rod 1 and bear upper radial force; the impact hammer rod 1 is provided with a lower radial inner movable carrier sleeve 20 and a lower radial outer movable carrier sleeve 21 which are mutually in close fit, so as to bear lower radial force; an elastic body 14 is arranged on the impact hammer rod 1 through an elastic body seat sleeve 25, an elastic body contact limiter 11 is arranged between the elastic body 14 and the elastic body seat sleeve 25, a power hammer 16 and a signal receiving/transmitting assembly are arranged on the impact hammer rod 1 through a lower bearing cylinder locking nut 22, and a hammer head 24 is arranged on the impact hammer rod 1 through a hammer head locking nut 23; the signal receiving/transmitting assembly is in wireless connection with the whole machine main control equipment.
The bearing assembly is a power bearing mechanism, and the impact hammer rod 1 of the bearing assembly is provided with and connected with the bearing assembly and comprises: the upper bearing outer cylinder 5, the lower bearing outer cylinder 9, the centralizer 15, the lower bearing cylinder locking nut 22, the lower positioning locking nut 7, the seat cover limiter 10, the transmission load assembly, the hammering assembly and the signal receiving/transmitting assembly.
The transmission load assembly is a power transmission and load mechanism and transmits power to the hammering assembly and bears radial load; the outer ring of the upper radial inner movable carrier sleeve 3 of the transmission loaded assembly is matched with the inner ring of the upper radial outer movable carrier sleeve 4, so that the radial force generated by the upper part of the whole device is born; the axial transmission bearing 6 of the transmission loaded assembly not only bears the axial force, but also transmits transmission power; the outer ring of the lower radial inner movable carrier sleeve 20 of the transmission loaded assembly is matched with the inner ring of the lower radial outer movable carrier sleeve 21, and the radial force generated by the lower part of the complete machine device is born.
The hammering assembly is a controlled executing mechanism, the power hammer 16 of the hammering assembly generates rotary hammering force and transmits the rotary hammering force to the hammer head 24, and the hammer head 24 directly acts on the drill bit; the power hammer 16 generates an axial hammering force against the elastomer 14, the elastomer 14 directly acts against the power hammer 16, and the power hammer 16 applies a hammering force to the formation.
The signal receiving/transmitting assembly transmits the impact signals of the hammering assembly to the stratum and the related information of the bottom of the well in the drilling operation process at all times back to the ground whole machine main control equipment through the wireless transmission system 18, and the central processing system 17 controls the hammering frequency of the hammering assembly according to the instructions sent by the whole machine main control equipment; the data storage system 19 is an SD card, temporarily storing signal data; the power supply 12 is a box-packed lithium battery, so that the replacement is convenient; the sensor 13 is a piezoelectric sensor, and senses hammering information of the hammering assembly (see fig. 1).
The working principle of the drilling and production device for the deep compact oil-gas well is as follows:
when the drilling fluid drilling machine is in operation, the whole machine main control equipment drives a power part of the drilling fluid to rotate, so as to drive the impact hammer rod 1 to rotate, and further drive the axial transmission bearing 6 of the transmission loaded assembly to rotate, so that the power hammer 16 rotates, the rotary impact acting force acts on the hammer head 24, and the hammer head 24 acts on the drill bit to send rotary impact acting force to the stratum; meanwhile, the sensor 13 of the signal receiving/transmitting assembly receives the signal of the hammering assembly and the real-time information of the formation of the drilling well, and the signal is transmitted back to the ground whole machine main control equipment in real time through the wireless transmission system 18, and the central processing system 17 of the signal receiving/transmitting assembly adjusts and processes the hammering frequency of the hammering assembly according to the instruction of the whole machine main control equipment.
The design idea of the applicant of the invention is as follows:
aiming at the problems of hard, complex working condition, long drilling period and easy damage of a drill bit of the current shale oil gas and compact oil gas drilling stratum, the steel is designed and manufactured to have strong hardness, high drilling speed and long service life, the drilling period is effectively shortened, the exploitation cost is greatly reduced, and drilling information can be acquired from time to time and is controlled and adjusted by wireless return processing; simple structure, convenient operation, hammering creep into effectual a drilling device that is used for deep compact oil gas well. The device drives the hammering assembly to generate rotary impact acting force through the power part, simultaneously realizes that the related information of the bottom of the well during construction operation can be acquired in real time, effectively improves the mechanical drilling speed, greatly shortens the drilling period, and is particularly suitable for drilling construction of deep wells with complicated hard geological layer working conditions.
The above description is merely a preferred embodiment of the present invention, and the above illustration is not to be construed as limiting the spirit of the present invention in any way, and any simple modification or variation of the above embodiments according to the technical spirit of the present invention, and equivalent embodiments that may be changed or modified to equivalent variations using the above disclosed technical spirit of the present invention, will still fall within the scope of the technical solutions of the present invention, without departing from the spirit and scope of the present invention.
Claims (2)
1. The utility model provides a bore and adopt device for deep dense oil gas well, it comprises bearing assembly, transmission load assembly, hammering assembly, signal receiving/transmitting assembly, its characterized in that: the bearing assembly comprises an upper bearing outer cylinder (5), a lower bearing outer cylinder (9), an impact hammer rod (1), a centralizer (15), a lower bearing cylinder lock nut (22), a lower positioning lock nut (7) and a seat sleeve limiter (10); the transmission loaded assembly comprises a hammer rod upper lock nut (2), an upper radial inner movable carrier sleeve (3), an upper radial outer movable carrier sleeve (4), an adjusting bearing seat (8), an axial transmission bearing (6), a lower radial inner movable carrier sleeve (20) and a lower radial outer movable carrier sleeve (21); the hammering assembly comprises an elastic body (14), an elastic body seat sleeve (25), an elastic body contact limiter (11), a lower bearing cylinder locking nut (22), a power hammer (16), a hammer head locking nut (23) and a hammer head (24); the signal receiving/transmitting assembly comprises a power supply (12), an inductor (13), a central processing system (17), a wireless transmission system (18) and a data storage system (19); the upper bearing outer cylinder (5) and the lower bearing outer cylinder (9) are assembled into a whole through threads, the impact hammer rod (1) is arranged in the upper bearing outer cylinder (5) and the lower bearing outer cylinder (9) through a hammer rod upper locking nut (2), an adjusting bearing seat (8) is arranged on the impact hammer rod (1) through a lower positioning locking nut (7), and an axial transmission bearing (6) is arranged on the adjusting bearing seat (8) for axial fixation and bearing axial force; an upper radial inner movable carrier sleeve (3) and an upper radial outer movable carrier sleeve (4) which are mutually in close fit are arranged on the impact hammer rod (1) to bear upper radial force; a lower radial inner movable carrier sleeve (20) and a lower radial outer movable carrier sleeve (21) which are in close fit with each other are arranged on the impact hammer rod (1) to bear the lower radial force; an elastic body (14) is arranged on the impact hammer rod (1) through an elastic body seat sleeve (25), an elastic body contact limiter (11) is arranged between the elastic body (14) and the elastic body seat sleeve (25), a power hammer (16) and a signal receiving/transmitting assembly are arranged on the impact hammer rod (1) through a lower bearing cylinder locking nut (22), and a hammer head (24) is arranged on the impact hammer rod (1) through a hammer head locking nut (23); the signal receiving/transmitting assembly is in wireless connection with the whole machine main control equipment;
the bearing assembly is a power bearing mechanism, and the impact hammer rod (1) of the bearing assembly is provided with a connecting part comprising: the device comprises an upper bearing outer cylinder (5), a lower bearing outer cylinder (9), a centralizer (15), a lower bearing cylinder locking nut (22), a lower positioning locking nut (7), a seat sleeve limiter (10), a transmission load assembly, a hammering assembly and a signal receiving/transmitting assembly;
the transmission load assembly is a power transmission and load mechanism and transmits power to the hammering assembly and bears radial load; the outer ring of the upper radial inner movable carrier sleeve (3) of the transmission loaded assembly is matched with the inner ring of the upper radial outer movable carrier sleeve (4), so that the radial force generated by the upper part of the whole device is born; the axial transmission bearing (6) of the transmission loaded assembly not only bears the axial force, but also transmits transmission power; the outer ring of the lower radial inner movable carrier sleeve (20) of the transmission loaded assembly is matched with the inner ring of the lower radial outer movable carrier sleeve (21), so that the radial force generated by the lower part of the whole device is born;
the hammering assembly is a controlled executing mechanism, a power hammer (16) of the hammering assembly generates rotary hammering force and transmits the rotary hammering force to the hammer head (24), and the hammer head (24) directly acts on the drill bit; the power hammer (16) generates an axial hammering force to react with the elastic body (14), the elastic body (14) directly acts on the power hammer (16), and the power hammer (16) applies hammering force to the stratum.
2. The drilling and production apparatus for deep tight oil and gas wells according to claim 1, wherein: the signal receiving/transmitting assembly transmits the impact signals of the hammering assembly to the stratum and the related information of the bottom of the well in the real-time drilling operation process of the hammering assembly back to the ground whole machine main control equipment through the wireless transmission system (18), and the central processing system (17) controls the hammering frequency of the hammering assembly according to the instruction sent by the whole machine main control equipment; the data storage system (19) is an SD card and temporarily stores signal data; the power supply (12) is a box-packed lithium battery, so that the replacement is convenient; the sensor (13) is a piezoelectric sensor and senses hammering information of the hammering assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094682.1A CN108894723B (en) | 2018-09-19 | 2018-09-19 | Drilling and production device for deep compact oil-gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094682.1A CN108894723B (en) | 2018-09-19 | 2018-09-19 | Drilling and production device for deep compact oil-gas well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894723A CN108894723A (en) | 2018-11-27 |
| CN108894723B true CN108894723B (en) | 2023-12-12 |
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| CN201811094682.1A Active CN108894723B (en) | 2018-09-19 | 2018-09-19 | Drilling and production device for deep compact oil-gas well |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101402288B1 (en) * | 2013-06-28 | 2014-06-02 | 원용문 | A excavating apparatus for improving week-ground |
| CN104329019A (en) * | 2014-10-24 | 2015-02-04 | 徐梓辰 | High-frequency drilling impactor |
| CN107664015A (en) * | 2017-11-07 | 2018-02-06 | 西南石油大学 | Screw double acting speed-raising instrument |
| CN208858291U (en) * | 2018-09-19 | 2019-05-14 | 长江大学 | A kind of drilling device for deep layer densification oil/gas well |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8397839B2 (en) * | 2008-06-30 | 2013-03-19 | Center Rock Inc. | Self-indexing down-the-hole drill |
-
2018
- 2018-09-19 CN CN201811094682.1A patent/CN108894723B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101402288B1 (en) * | 2013-06-28 | 2014-06-02 | 원용문 | A excavating apparatus for improving week-ground |
| CN104329019A (en) * | 2014-10-24 | 2015-02-04 | 徐梓辰 | High-frequency drilling impactor |
| CN107664015A (en) * | 2017-11-07 | 2018-02-06 | 西南石油大学 | Screw double acting speed-raising instrument |
| CN208858291U (en) * | 2018-09-19 | 2019-05-14 | 长江大学 | A kind of drilling device for deep layer densification oil/gas well |
Non-Patent Citations (1)
| Title |
|---|
| SYZJ型冲击动载发生器的工作原理及其力学分析;陈劲松, 翟应虎;石油大学学报(自然科学版)(第02期);全文 * |
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| CN108894723A (en) | 2018-11-27 |
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