CN111458240A - Rock torsional impact generation test device - Google Patents
Rock torsional impact generation test device Download PDFInfo
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- CN111458240A CN111458240A CN202010268586.5A CN202010268586A CN111458240A CN 111458240 A CN111458240 A CN 111458240A CN 202010268586 A CN202010268586 A CN 202010268586A CN 111458240 A CN111458240 A CN 111458240A
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 239000011435 rock Substances 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 12
- 239000003208 petroleum Substances 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012827 research and development Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A rock torsional impact generation test device comprises a multifunctional test machine faucet central pipe, the top of a central pipe joint is in threaded connection with the multifunctional test machine faucet central pipe, a through hole type electric brush slip ring is sleeved outside the upper end of the central pipe joint, the lower end of the central pipe joint is connected with an upper joint, and the other end of the upper joint is in threaded connection with a lower joint; the lower joint is connected with the electric cylinder base into a whole through a connecting piece sleeved on the periphery of the lower joint, and the connecting piece is connected with the lower joint through a double key to realize the transmission of impact torque load; the central line of the electric cylinder base is fixedly connected with a bearing plate; electric cylinders are symmetrically arranged on two sides of the bearing plate on the electric cylinder base, and impact heads of the electric cylinders impact the bearing plate; the through hole type electric brush slip ring and the electric cylinder are connected to transmit power electricity and control signals. The invention has reasonable and compact structure, can well simulate the working characteristics and parameter changes of the underground torsion impact tool, and meets the requirements of the simulation test of the underground torsion impact tool of the petroleum drilling.
Description
Technical Field
The invention belongs to the field of petroleum drilling and production industries, and particularly relates to a rock torsional impact generation testing device in a petroleum drilling and production downhole tool testing system.
Technical Field
With the rapid consumption of conventional oil and gas resources, the exploration and development difficulty of deep well and ultra-deep well oil and gas fields is increased, and the cost is increased. In order to meet the requirement of increasing the oil and gas energy source year by year, the yield and efficiency of oil and gas field exploitation are increased by researching and developing novel underground tools in each large oil field. The oil and gas downhole tools are various in types and huge in market consumption, but the oil and gas downhole tools work under thousands of meters in common, are in high-temperature and high-pressure severe working environments for a long time, are difficult to judge, analyze and determine fault reasons due to faults in the working process, can only be taken out of a thousands of meters of wells for maintenance, waste time, consume cost, reduce production efficiency and invisibly improve the development cost of oil and gas fields. Therefore, the research and development of the underground tools and the process for petroleum drilling and production are significant, the research and development of products and the process are closely related to the test and the test, and the research of the test device needs to be carried forward, so that powerful technical support is provided for the research and development of the products and the process.
In the domestic oil drilling industry, the difference between the underground tool and the process technology is very large from foreign companies, the foreign companies only rent the advanced underground tool and do not buy the advanced underground tool to implement technical blockade, the technical level of the domestic industry needs to be improved, and the advanced, efficient and independent underground tool product with intellectual property rights needs to be developed and matched with advanced and reliable test means.
Disclosure of Invention
The invention provides a test device capable of generating torsional impact load, which is connected with a tap central tube of an original multifunctional test machine, can meet the test requirement that a drilling bit drills rock in a simulated test well in an indoor laboratory to apply additional torsional impact load, and can truly simulate the working condition of an underground torsional impact tool additionally arranged in the drilling of an oil and gas drill bit.
The technical scheme adopted by the invention is as follows:
a rock torsional impact generation test device comprises a multifunctional test machine faucet central pipe, the top of a central pipe joint is in threaded connection with the multifunctional test machine faucet central pipe, a through hole type electric brush slip ring is sleeved outside the upper end of the central pipe joint, the lower end of the central pipe joint is connected with an upper joint, and the other end of the upper joint is in threaded connection with a lower joint; the lower joint is connected with the electric cylinder base into a whole through a connecting piece sleeved on the periphery of the lower joint, and the connecting piece is connected with the lower joint through a double key to realize the transmission of impact torque load; the central line of the electric cylinder base is fixedly connected with a bearing plate; electric cylinders are symmetrically arranged on two sides of the bearing plate on the electric cylinder base, and impact heads of the electric cylinders impact the bearing plate; the through hole type electric brush slip ring and the electric cylinder are connected to transmit power electricity and control signals.
The top connection adopts buckle structure with center tube articulate, specifically is: the convex wing head of the periphery of the lower part of the central pipe joint is inserted into the matched arc notch on the end surface of the upper joint, the bottom of the arc notch is provided with a radial annular groove, the central pipe joint rotates to enable the convex wing head to enter the annular groove, and at the moment, a stop block is placed into the arc notch and fixedly connected through a pin shaft to complete the positioning connection of the central pipe joint.
An impact force sensor is installed on an impact head of the electric cylinder, and a displacement sensor is additionally installed between a shell of the electric cylinder and the impact head of the electric cylinder.
The invention is mainly used in the oil drilling and production tool laboratory, simulates the working state of the underground torsion impact tool when the underground torsion impact tool is connected to the upper part of the drill bit to drill into rock, and is connected and installed on the two-way water tap central tube of the original multifunctional testing machine.
The invention has reasonable and compact structure, can well simulate the working characteristics and parameter changes of the underground torsion impact tool, and meets the requirements of the simulation test of the underground torsion impact tool of the petroleum drilling.
Drawings
FIG. 1 is a front view of the apparatus of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B in FIG. 1.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the rock torsional impact generation test device comprises a multifunctional test machine faucet central pipe 8, the top of a central pipe joint 2 is in threaded connection with the multifunctional test machine faucet central pipe 8, a hole type electric brush slip ring 1 is sleeved outside the upper end of the central pipe joint, the lower end of the central pipe joint is connected with an upper joint 3, and the other end of the upper joint 3 is in threaded connection with a lower joint 6; the lower joint 6 is connected with the electric cylinder base 5 into a whole through a connecting piece sleeved on the periphery of the lower joint, and the connecting piece is connected with the lower joint 6 through a double key to realize torque load transmission; the central line of the electric cylinder base 5 is fixedly connected with a bearing plate 7; electric cylinders 4 are symmetrically arranged on two sides of the bearing plate 7 on the electric cylinder base 5, and impact heads 10 of the electric cylinders impact the bearing blocks 7 alternately; the through hole type electric brush slip ring 1 is connected with the electric cylinder 4, and a power cable and a measurement and control signal wire on the through hole type electric brush slip ring 1 are connected with an external electric control measurement and control system. The purpose of applying additional torsional impact load when the original multifunctional testing machine central pipe faucet 8 drives the drill bit to drill into the rock is achieved.
Referring to fig. 3, the upper joint 3 and the central pipe joint 2 are connected by a buckle structure, specifically: the convex wing head of the periphery of the lower part of the central pipe joint 2 is inserted into the arc notch matched with the end surface of the upper joint 3, the bottom of the arc notch is processed with a radial annular groove, the central pipe joint 2 rotates by a certain angle (0-90 ︒) to enable the convex wing head to enter the annular groove, at the moment, the check block 13 is placed into the arc notch to push the annular groove, the round hole on the lower bottom surface of the alignment annular groove is inserted into the pin shaft 14 to fix the check block 13 to prevent the convex wing head at the lower part of the central pipe joint 2 from rotating and transferring and sliding out, and the test. At the moment, the upper joint 3 and the central pipe joint 2 can transmit the rotating torque and the pulling/pressing load; when the pipe is disassembled, the pipe joint 2 rotates reversely to reach the arc notch of the upper joint 3 by the same angle, and the pipe can be lifted up and withdrawn.
An impact force sensor 11 is installed on an impact head 10 of the electric cylinder, and a displacement sensor 12 is additionally installed between a shell of the electric cylinder 4 and the impact head 10 of the electric cylinder. The technical indexes which can be achieved during loading are as follows: the impact force is 0-1900N.m, the frequency is 17-40Hz, and the impact torque is 0-1200 N.m.
The upper end of the invention is connected with the central pipe of the tap of the original multifunctional testing machine through the central pipe joint, the lower end of the invention is connected with the shaft drilling drill rod through the lower joint, the lower part of the drill rod is connected with the drill bit, and the whole body is put into the simulated rock sample well for drilling. The invention adopts four electric cylinders to apply torsional impact load, the electric cylinders are used as executing elements of torsional impact, a bearing plate fixed on a base of the electric cylinders is synchronously and alternately impacted by opposite angles of impact heads on the electric cylinders, and the distance between the two cylinders is a force arm to generate impact torque. Because the electric cylinder base is integrally connected to the central pipe of the tap of the original multifunctional testing machine, the torsional impact load is synchronously transmitted to a drill bit for drilling into rock. The impact force sensor is arranged at the impact head of the electric cylinder, and the ground measurement and control console can accurately control and accurately measure the impact force, the impact frequency and the amplitude of the impact head of the electric cylinder through measurement and control system measurement and control software, so that the impact acceleration and the impact torque can be indirectly measured.
The through hole type electric brush slip ring 1 is an electric component which is used for transmitting electric energy and measuring control signals for four electric cylinders 4 fixed on an electric cylinder base 5 through power cables and signal wires on the electric brush slip ring.
Claims (3)
1. A rock torsional impact generation test device comprises a multifunctional tester faucet central pipe, and is characterized in that the top of a central pipe joint (2) is in threaded connection with a multifunctional tester faucet central pipe (8), the outer part of the upper end is sleeved with a porous electric brush slip ring (1), the lower end is connected with an upper joint (3), and the other end of the upper joint (3) is in threaded connection with a lower joint (6); the lower joint (6) is connected with the electric cylinder base (5) into a whole through a connecting piece sleeved on the periphery of the lower joint, and the connecting piece is connected with the lower joint (6) through a double key to realize impact torque load transmission; a bearing plate (7) is fixedly connected to the central line of the electric cylinder base (5); electric cylinders (4) are symmetrically arranged on two sides of the bearing plate (7) on the electric cylinder base (5), and impact heads (10) of the electric cylinders impact the bearing plate (7); the through hole type electric brush slip ring (1) is connected with the electric cylinder (4) to transmit power electricity and control signals.
2. The rock torsional impact occurrence test apparatus of claim 1, wherein: go up joint (3) and central coupling (2) are connected and are adopted buckle structure, specifically do: the convex wing head of the periphery of the lower part of the central pipe joint (2) is inserted into the matched arc notch on the end surface of the upper joint (3), the bottom of the arc notch is provided with a radial annular groove, the central pipe joint (2) rotates to enable the convex wing head to enter the annular groove, and at the moment, a stop block (13) is placed into the arc notch and is fixedly connected by a pin shaft (14) to complete the positioning connection of the central pipe joint (2).
3. The rock torsional impact generation test device according to claim 1, characterized in that an impact force sensor (11) is installed on the impact head (10) of the electric cylinder, and a displacement sensor (12) is additionally installed between the shell of the electric cylinder (4) and the impact head (10) of the electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010268586.5A CN111458240A (en) | 2020-04-08 | 2020-04-08 | Rock torsional impact generation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010268586.5A CN111458240A (en) | 2020-04-08 | 2020-04-08 | Rock torsional impact generation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111458240A true CN111458240A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010268586.5A Pending CN111458240A (en) | 2020-04-08 | 2020-04-08 | Rock torsional impact generation test device |
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| Country | Link |
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| CN (1) | CN111458240A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020166700A1 (en) * | 2001-05-11 | 2002-11-14 | Gillis Peter J. | Rotational impact drill assembly |
| CN101463709A (en) * | 2009-01-08 | 2009-06-24 | 西南石油大学 | Torsional impact drilling tool |
| CN104198311A (en) * | 2014-09-25 | 2014-12-10 | 东北石油大学 | Torsional impact rock-breaking experiment device and experiment method |
| CN105971492A (en) * | 2016-06-08 | 2016-09-28 | 西南石油大学 | Magnet-based torsion percussion boring tool |
| CN106802237A (en) * | 2017-01-20 | 2017-06-06 | 广西大学 | A kind of Leahy formula alternation torque loading device |
| CN110749521A (en) * | 2018-07-24 | 2020-02-04 | 中石化石油工程技术服务有限公司 | Dynamic and static load combined rock breaking test device and test method |
| CN212379213U (en) * | 2020-04-08 | 2021-01-19 | 上海蓝滨石化设备有限责任公司 | Rock torsional impact generation test device |
-
2020
- 2020-04-08 CN CN202010268586.5A patent/CN111458240A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020166700A1 (en) * | 2001-05-11 | 2002-11-14 | Gillis Peter J. | Rotational impact drill assembly |
| CN101463709A (en) * | 2009-01-08 | 2009-06-24 | 西南石油大学 | Torsional impact drilling tool |
| CN104198311A (en) * | 2014-09-25 | 2014-12-10 | 东北石油大学 | Torsional impact rock-breaking experiment device and experiment method |
| CN105971492A (en) * | 2016-06-08 | 2016-09-28 | 西南石油大学 | Magnet-based torsion percussion boring tool |
| CN106802237A (en) * | 2017-01-20 | 2017-06-06 | 广西大学 | A kind of Leahy formula alternation torque loading device |
| CN110749521A (en) * | 2018-07-24 | 2020-02-04 | 中石化石油工程技术服务有限公司 | Dynamic and static load combined rock breaking test device and test method |
| CN212379213U (en) * | 2020-04-08 | 2021-01-19 | 上海蓝滨石化设备有限责任公司 | Rock torsional impact generation test device |
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