CN111413223A - Rock axial impact generation test device - Google Patents
Rock axial impact generation test device Download PDFInfo
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- CN111413223A CN111413223A CN202010268578.0A CN202010268578A CN111413223A CN 111413223 A CN111413223 A CN 111413223A CN 202010268578 A CN202010268578 A CN 202010268578A CN 111413223 A CN111413223 A CN 111413223A
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- impact
- hydraulic cylinder
- rock
- central pipe
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 239000011435 rock Substances 0.000 title claims abstract description 26
- 230000035939 shock Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000009863 impact test Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
-
- 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
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
A rock axial impact generation test device comprises a loading beam of a multifunctional test machine and a tap central tube, wherein the upper part of a hydraulic cylinder bearing frame is connected with the lower part of the beam of the multifunctional test machine, an impact hydraulic cylinder is hung at the lower part of the hydraulic cylinder bearing frame, and an impact head is arranged on a piston rod of the impact hydraulic cylinder; the central tube joint one end and the central tube suit of multifunctional testing machine tap, the other end and last integral key shaft pass through the top connection, go up the integral key shaft other end and pass through the spline housing and be connected with bearing shaft plate and form holistic rock axial shock and take place test device. The invention is mainly used for researching the influence of the additional axial impact load on the rock crushing of the drill bit when the drill bit drills into the rock and testing the crushing effect of the parameter changes such as impact force, impact frequency and the like on different strata rock. And test data support is provided for the optimized design of the underground axial impact tool and the optimization of different drill bit drilling process parameters.
Description
Technical Field
The invention belongs to the petroleum and natural gas drilling industry, and particularly relates to a rock axial impact generation testing device in a petroleum drilling and production downhole tool testing system.
Technical Field
Along with the rapid consumption of conventional oil and gas resources of oil fields, the exploration and development difficulty of unconventional deep wells and ultra-deep well oil and gas fields is increased, the cost is increased, and in order to meet the requirement that oil and gas energy sources are increased year by year, the petroleum and natural gas drilling and production industry realizes the yield increase and cost reduction of oil and gas field exploitation by researching and developing new downhole tools and adopting a new process. The oil and gas downhole tools are various in types and large in market consumption, the oil and gas downhole tools work in a high-temperature and high-pressure severe environment underground, faults occur in the working process, the tools cannot be maintained in a well, the fault reasons are difficult to judge, analyze and determine, the tools can only be taken out of a thousands of meters of wells, the production time is wasted, and the development cost of an oil and gas field is invisibly improved. Therefore, the research and development of the underground tool for petroleum drilling and production are significant, scientific research and test are closely related, research of the test device needs to be carried out before the scientific research, and technical support is provided for research and development of new products and new processes. Mechanism of
In the domestic petroleum drilling industry, the difference between the underground tool and the drilling process technology and foreign companies is large, the foreign companies perform a large amount of experimental research, some advanced underground tools are developed, technical blockages are not realized only by renting, the technical level in China needs to be improved, advanced, efficient and underground tool products with independent intellectual property rights need to be developed, and advanced and reliable experimental means are needed to be matched.
Disclosure of Invention
The invention provides an axial rock impact generation testing device capable of being connected with an original multifunctional testing machine, which can be used for simulating the requirement that an underground axial drilling tool applies auxiliary axial impact test load to a drill bit which drills into rock.
The technical scheme adopted by the invention is as follows:
a rock axial impact generation test device comprises a loading beam of a multifunctional test machine and a tap central tube, wherein the upper part of a hydraulic cylinder bearing frame is connected with the lower part of the beam of the multifunctional test machine, an impact hydraulic cylinder is hung at the lower part of the hydraulic cylinder bearing frame, and an impact head is arranged on a piston rod of the impact hydraulic cylinder; the central tube joint one end and the central tube suit of multifunctional testing machine tap, the other end and last integral key shaft pass through the top connection, go up the integral key shaft other end and pass through the spline housing and be connected with bearing shaft plate and form holistic rock axial shock and take place test device.
The top connection adopts buckle structure with center tube articulate, specifically is: the convex wing head on the outer edge of the lower part of the central pipe joint is suitable for being arranged in the circular arc notch on the end face of the upper joint in a matching mode, and rotates into the circular groove at the bottom of the circular arc notch for positioning, and meanwhile, the stop block is arranged in the circular arc notch and is positioned on the upper joint through the pin shaft.
And a load sensor is arranged on a piston rod of the impact hydraulic cylinder, and a displacement sensor is arranged between the impact hydraulic cylinder shell and the piston rod.
The invention is mainly used for an underground tool testing device in an oil drilling and production tool laboratory, and is provided with a rock axial impact generation testing device connected to an original multifunctional testing machine, and the device is mainly used for simulating the change of parameters such as impact load, impact frequency, impact acceleration and the like when an underground axial impact tool drills a drill bit, researching the rock crushing rule and characteristics of the underground axial impact tool auxiliary drill bit with different technical parameters and structures on different rock crushing effect mechanisms, and providing test parameters and design basis for the design of the underground axial impact tool and the selection of drilling process parameters.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a view taken along line A of FIG. 1;
fig. 3 is a partial sectional view of B-B in fig. 1.
Detailed Description
The present invention and its effects will be further explained below with reference to the accompanying drawings.
The rock axial impact generation test device is mainly used in an oil drilling and production downhole tool laboratory, a simulated downhole axial impact tool is connected to a drill rod in an oil or natural gas well, and a drill bit is used for drilling the working condition and effect in rock breaking.
Referring to fig. 1 and 2, the rock axial impact generation test device comprises a multifunctional test machine loading beam 1 and a faucet central tube 4, wherein the upper part of a hydraulic cylinder bearing frame 2 is connected with the lower part of the multifunctional test machine beam 1 through a bolt, an impact hydraulic cylinder 3 is hung at the lower part of the hydraulic cylinder bearing frame 2 through a bolt, and an impact head 12 is arranged on a piston rod of the impact hydraulic cylinder 3; the original multifunctional testing machine faucet central tube 4 is sleeved in an inner cavity at one end of a central tube joint 5 and is fixedly connected in a threaded manner, the other end of the central tube joint 5 is connected with an upper joint 6 through a buckle, and an upper spline shaft 7 is connected with the upper joint 6 in a threaded manner so as to connect the central tube joint 5, the upper joint 6 and the upper spline shaft 7 into a whole; the other end of the upper spline shaft 7 is connected with a bearing shaft plate 9 through a spline housing 8 to form an integral rock axial impact generation testing device. Thus, the additional impact load is transmitted to the tap central tube of the original multifunctional testing machine for driving the drill bit to drill, and continuous axial vibration load is added to the normal rotary drilling torque and the drill pressure of the drill bit.
Referring to fig. 3, the upper joint 6 is connected with the central pipe joint 5 by a buckle structure, specifically: the convex wing head on the lower outer edge of the central pipe joint 5 is fittingly arranged in the circular arc notch on the end surface of the upper joint 6, and rotates for a certain angle (0-90 ︒) to enter the circular groove at the bottom of the circular arc notch for positioning, and meanwhile, a stop block 13 is arranged in the circular arc notch, and the stop block 13 is positioned on the upper joint 6 by a pin shaft 14 to complete the fixed positioning of the central pipe joint 5. At the moment, the upper joint 6 and the central pipe joint 5 can transmit rotating torque and pulling/pressing load; when the pipe joint 5 is disassembled, the pipe joint rotates reversely to reach the arc notch at the same angle and can be lifted up and withdrawn.
And a load sensor 11 is arranged on a piston rod of the impact hydraulic cylinder 3, and a displacement sensor 10 is arranged between a shell of the impact hydraulic cylinder 3 and the piston rod. The load sensor 11 and the displacement sensor 10 are connected to a ground measurement and control console and a measurement and control system control of a hydraulic servo system, the measurement and control system collects and processes output signals of the sensors, and simultaneously the output signals control impact force and impact frequency, so that the parameters of an impact test can be controlled and measured. The measurement and control of the ground measurement and control console and the hydraulic servo system are structures known in the field.
The replaceable cushion plate 15 arranged on the bearing shaft plate 9 is synchronously impacted by utilizing two impact hydraulic cylinders 3 arranged in parallel. The replaceable pad 15 can be replaced according to the test condition, and the distance between the impact head 12 on the piston rod of the impact liquid cylinder 3 and the replaceable pad 15 can be adjusted. The technical indexes of the axial impact test are as follows: impact frequency range: 17 Hz-40 Hz), and the total impact force is 0-5 tons. The measuring and controlling system of the ground measuring and controlling platform and the hydraulic servo system controls the upper connector 12 of the piston rod of the impact hydraulic cylinder 3 to impact the replaceable base plate on the bearing shaft plate 9, so that the axial impact load simulation test is applied to the central pipe 4 of the water faucet of the original testing machine.
The invention is connected with the original test machine tap central pipe 4 through the central pipe joint 5, and the lower part of the lowest bearing shaft plate 9 can be connected with a drill rod and a drill bit for drilling rocks, so that when the drill bit drills the rocks in a test well, the original test machine tap central pipe 4 generates rotary drilling torque, and simultaneously, the impact hydraulic cylinder 3 generates additional axial impact load, and the simulation is additionally provided with an underground axial impact tool for drilling operation.
Claims (4)
1. The utility model provides a rock axial impact takes place test device, includes multifunctional testing machine loading crossbeam and tap center tube (4), its characterized in that: the upper part of the hydraulic cylinder bearing frame (2) is connected with the lower part of the multifunctional testing machine beam (1), the impact hydraulic cylinder (3) is hung at the lower part of the hydraulic cylinder bearing frame (2), and an impact head (12) is arranged on a piston rod of the impact hydraulic cylinder (3); one end of a central pipe joint (5) is sleeved with a central pipe (4) of a multifunctional testing machine faucet, the other end of the central pipe joint is connected with an upper spline shaft (7) through an upper joint (6), and the other end of the upper spline shaft (7) is connected with a bearing shaft plate (9) through a spline sleeve (8) to form an integral rock axial impact generation testing device.
2. The rock axial shock occurrence testing device of claim 1, wherein: the upper joint (6) is connected with the central pipe joint (5) by adopting a buckle structure, and specifically comprises the following steps: the convex wing head on the outer edge of the lower part of the central pipe joint (5) is suitable for being arranged in the arc notch on the end surface of the upper joint (6) in a matching way, and rotates to enter the annular groove at the bottom of the arc notch for positioning, and meanwhile, a stop block (13) is arranged in the arc notch, and the stop block (13) is positioned on the upper joint (6) by a pin shaft (14).
3. The rock axial shock occurrence testing device of claim 1, wherein: and a load sensor (11) is arranged on a piston rod of the impact hydraulic cylinder (3), and a displacement sensor (10) is arranged between a shell of the impact hydraulic cylinder (3) and the piston rod.
4. The rock axial impact occurrence testing device of claim 1, characterized in that: the bearing shaft plate (9) is provided with a replaceable backing plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010268578.0A CN111413223A (en) | 2020-04-08 | 2020-04-08 | Rock axial impact generation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010268578.0A CN111413223A (en) | 2020-04-08 | 2020-04-08 | Rock axial impact generation test device |
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| Publication Number | Publication Date |
|---|---|
| CN111413223A true CN111413223A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010268578.0A Pending CN111413223A (en) | 2020-04-08 | 2020-04-08 | Rock axial impact generation test device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728175A (en) * | 2014-01-06 | 2014-04-16 | 西南石油大学 | Multiparameter testing device for drilling rock mechanics |
| CN205297317U (en) * | 2016-01-15 | 2016-06-08 | 吉林大学 | Ultrasonic vibration detritus experimental apparatus |
| CN107725943A (en) * | 2017-11-24 | 2018-02-23 | 厦门理工学院 | A kind of bolt-type bindiny mechanism and bolt-type connected mode |
| CN108776072A (en) * | 2018-07-03 | 2018-11-09 | 四川文理学院 | Shock loading loading device, the pilot system and its test method for simulating shock loading |
| CN110145234A (en) * | 2019-06-18 | 2019-08-20 | 吉林大学 | A kind of miniature ultrasonic vibration rotary drilling experimental provision and experimental method |
| CN212379212U (en) * | 2020-04-08 | 2021-01-19 | 上海蓝滨石化设备有限责任公司 | Rock axial impact generation test device |
-
2020
- 2020-04-08 CN CN202010268578.0A patent/CN111413223A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728175A (en) * | 2014-01-06 | 2014-04-16 | 西南石油大学 | Multiparameter testing device for drilling rock mechanics |
| CN205297317U (en) * | 2016-01-15 | 2016-06-08 | 吉林大学 | Ultrasonic vibration detritus experimental apparatus |
| CN107725943A (en) * | 2017-11-24 | 2018-02-23 | 厦门理工学院 | A kind of bolt-type bindiny mechanism and bolt-type connected mode |
| CN108776072A (en) * | 2018-07-03 | 2018-11-09 | 四川文理学院 | Shock loading loading device, the pilot system and its test method for simulating shock loading |
| CN110145234A (en) * | 2019-06-18 | 2019-08-20 | 吉林大学 | A kind of miniature ultrasonic vibration rotary drilling experimental provision and experimental method |
| CN212379212U (en) * | 2020-04-08 | 2021-01-19 | 上海蓝滨石化设备有限责任公司 | Rock axial impact generation test device |
Non-Patent Citations (3)
| Title |
|---|
| 王浚 等: "环境模拟技术", 31 May 1996, 国防工业出版社, pages: 745 - 746 * |
| 程祥之: "园林机械", 30 May 2000, 东南大学出版社, pages: 145 - 146 * |
| 骆涵秀: "试验机的电液控制系统", 30 November 1991, 机械工业出版社, pages: 31 - 34 * |
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