CN205426328U - Hydroscillator simulating measurement setup is in pit used in well drilling - Google Patents
Hydroscillator simulating measurement setup is in pit used in well drilling Download PDFInfo
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- CN205426328U CN205426328U CN201520743231.1U CN201520743231U CN205426328U CN 205426328 U CN205426328 U CN 205426328U CN 201520743231 U CN201520743231 U CN 201520743231U CN 205426328 U CN205426328 U CN 205426328U
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Abstract
The utility model discloses a hydroscillator simulating measurement setup is in pit used in well drilling, the liquid test system is given in guide system, displacement sensing system and circulation including setting up on a mount to and data acquisition analytic system, guide system sets up provides the power supply along reciprocating axially at the mount front end for the hydroscillator, on the top connection of the hydroscillator of displacement sensing system setting in being fixed in the mount and the lateral wall of urceolus, surveys under guide system's impetus the top connection of hydroscillator and the displacement between the urceolus, this hydroscillator simulating measurement setup is in pit used in well drilling is used for simulating the working parameter of hydroscillator under prestressed effect in the pit, for the vibration type design of specialized tool class operation in the pit, adjustment tool structural parameters is developed at the scene and construction process provides the basis.
Description
Technical field
This utility model relates to exploitation of oil-gas field field, tests device particularly to a kind of drilling well downhole hydraulic oscillator analog
Background technology
In oil-gas field development drilling process, BHA or drilling rod contact with the borehole wall, cause frictional resistance between drilling tool and the borehole wall relatively big, make loss increase, drilling efficiency reduction during load transfer；Along with well horizontal segment lengthens, occur that de-pressure, adhesion, loss instrument phenomenon get more and more, thus greatly limit rate of penetration, constrain the extension of horizontal section length, the most how to reduce resistance, realize fast drilling and improve well horizontal section length become industry focus of attention.And hydroscillator is under the effect of waterpower; the vibration along BHA or drill rod axis direction can be produced; this vibration can effectively change the conversion of xial feed, reduce frictional resistance; effectively transmit stable the pressure of the drill; thus effectively solve the frictional resistance between drilling tool and the borehole wall; prevent the de-pressure of drilling tool; improve rate of penetration; during particularly having the slipping drilling of screw rod; drill bit can be protected to improve rate of penetration and the drilling depth of drill bit; shorten drilling period, reduce the risk of make a trip number of times and the bit freezing of drill bit.
Hydroscillator is made up of the urceolus of the central canal at top connection place with lower contact place.Operationally access in well drilling pipe column by top connection and lower contact, utilize the current flowed into from top connection direction, make hydroscillator central canal produce axially opposing reciprocating motion with urceolus.This reciprocating motion drives two ends drilling tool axial vibration, reaches to reduce the effect with wall friction resistance.But the frequency of vibration that hydroscillator produces in the case of vibrations, amplitude, vibration force and instrument pressure consumption are the key parameters affecting using effect, and are affected by many factors such as liquid displacement, density, viscosity, instrument prestressed situations.But above parameter accurately cannot be calculated by theoretical model, more there is no ready-made test assessment equipment and method.
Utility model content
The purpose of this utility model is to provide a kind of for simulating hydroscillator running parameter under the prestressed effect of down-hole, and for vibration class down-hole specific purpose tool class job design, on-site development adjusts tool construction parameter and construction technology provides the drilling well downhole hydraulic oscillator analog of foundation to test device.
Another object of the present utility model be to provide a kind of use above-mentioned drilling well downhole hydraulic oscillator analog test unit simulation hydroscillator running parameter under the prestressed effect of down-hole, with the method for testing that its suitability is detected.
For solving above-mentioned technical problem, technical solutions of the utility model are:
A kind of drilling well downhole hydraulic oscillator analog tests device, including the guidance system being arranged on a fixed mount, displacement sensing system and circulation feeding test system, and data acquisition and analysis system, described guidance system is arranged on described fixed mount front end and moves axially in reciprocal fashion power source for the offer of described hydroscillator, described displacement sensing system be arranged on described on the top connection of hydroscillator be fixed in described fixed mount and the sidewall of urceolus, measure under the impetus of described guidance system, change in displacement between described top connection and the described urceolus of hydroscillator.
Specifically, described guidance system includes leading truck, double acting handlance, double acting hydraulic cylinder, connecting rod and ergometer, described leading truck is arranged on the front end of described fixed mount, it is connected with described double acting handlance in described double acting hydraulic cylinder is arranged on described leading truck and by manometer tube a and manometer tube b, described double acting hydraulic cylinder one end is connected by steady pin and described leading truck are fixing, the other end is connected with described connecting rod one end by connecting pin, the other end of described connecting rod is flange arrangement, described ergometer is fixed on the end face of described flange arrangement by multiple stove bolts；
Described displacement sensing system includes detecting ring, displacement transducer, support ring, described detection ring and described support ring are separately positioned on the top connection of the hydroscillator being fixed in described fixed mount and the sidewall of urceolus, steel plate coplanar with described detection ring and described support ring respectively it is equipped with in the downside of described detection ring and described support ring, institute's displacement sensors be vertically set on on the coplanar steel plate of described support ring, make displacement transducer change in displacement in guidance system promotes hydroscillator generation axially reciprocating between detecting position displacement sensor free end end and the coplanar steel plate of described detection ring；
Described fixed mount is surrounded by the steel plate of two parallel constructions, described fixed mount is provided with multiple installing hole, described hydroscillator is arranged in described fixed mount and respectively by being arranged in the middle part of fixed mount and the front band of end, rear end and lower catch hoop are fixed in described fixed mount, described upper/clip and described under/clip and described leading truck all connected by the installing hole of described fixed mount and fix；
Described circulation feeding test system includes guide flange, forefront pressure sensor, bent sub, terminal pressure sensor, straight joint, effusion meter, water pump and water pot, described bent sub one end is connected with the outlet of described water pump, the other end is connected with the top connection of hydroscillator and is provided with the flange hole being connected with described guide flange outside the bending place of described bent sub, described straight joint one end is connected with the urceolus bottom of hydroscillator, the other end is connected with described effusion meter by connecting line, described effusion meter, described water pot and described water pump are sequentially connected with by connecting line, the sidewall of described bent sub and straight joint is respectively equipped with the described forefront pressure sensor of installation and the gauge hole of described terminal pressure sensor；
Further, described guide flange one end be flange arrangement, the other end be the arcuate structure that the flange hole with described bent sub adapts, described guide flange is fixed on described bent sub by multiple king-bolts, makes described guide flange, connecting rod, the horizontal direction pipeline of described bent sub and hydroscillator arrange on the same axis；Wherein, described bent sub is 90 °；
Further, described guide flange and described bent sub slitless connection simultaneously, are provided with multiple sealing ring and form sealing described at guide flange outer wall and described bent sub contact internal walls.
Described data acquisition and analysis system includes computer and the signal-transmitting cable being connected respectively being connected with described computer and being collected in a waterproof hub with described ergometer, forefront pressure sensor, displacement transducer, terminal pressure sensor and effusion meter；Described ergometer, forefront pressure sensor, displacement transducer, terminal pressure sensor and effusion meter by the data back that detects in real time to computer, carry out data storage and data analysis by signal-transmitting cable；
Described fixed mount is surrounded by the steel plate of two parallel constructions, described fixed mount is provided with multiple installing hole, described hydroscillator is arranged in described fixed mount and respectively by being arranged in the middle part of fixed mount and the front band of end, rear end and lower catch hoop are fixed in described fixed mount, described front band and described lower catch hoop and described leading truck are all connected by the installing hole of described fixed mount to be fixed.
Compared with prior art, the beneficial effects of the utility model are: this drilling well downhole hydraulic oscillator analog test device is by adjusting size and the spacing of upper and lower clip, it is applicable to the test experience of all specification hydroscillator instruments, and experimentation is not limited by hydroscillator inner workings, design and on-the-spot application for drilling well specific purpose tool provide foundation；And the method for testing of this drilling well downhole hydraulic oscillator analog test device can effectively detect hydroscillator frequency of vibration under different displacements hydro powered, amplitude, vibration force and pressure loss；Double acting hydraulic cylinder thrust, the working condition under the most various environment in simulation down-hole and vibration parameters can be passed through simultaneously；All test data back are in the computer of data collecting system, it is achieved monitoring and postmortem analysis in real time.
Accompanying drawing explanation
Fig. 1 is the structural representation that hydroscillator of the present utility model is arranged in drilling well downhole hydraulic oscillator analog test device；
Fig. 2 is the external structure schematic diagram of hydroscillator；
Fig. 3 is the displacement-time curve of this utility model embodiment 2；
Fig. 4 is the thrust-temporal image of this utility model embodiment 2.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described further by specific embodiment, but these embodiments have absolutely not any restriction to this utility model.
Embodiment 1
It is illustrated in figure 2 the surface structure schematic diagram of hydroscillator, as shown in the figure, hydroscillator is made up of the urceolus of the central canal at top connection place with lower contact place, its motion principle is to access in well drilling pipe column by the lower contact of top connection 28 with urceolus 29, utilize the current flowed into from top connection direction, make hydroscillator central canal and urceolus 29 produce axially opposing reciprocating motion.
As it is shown in figure 1, this kind of drilling well downhole hydraulic oscillator analog tests device, test system, and data acquisition and analysis system including the guidance system being arranged on a fixed mount 19, displacement sensing system and circulation feeding, wherein:
Described guidance system includes leading truck 1, double acting handlance 5, double acting hydraulic cylinder 13, connecting rod 7 and ergometer 9, described leading truck 1 is arranged on the front end of described fixed mount 19, described leading truck includes the connecting portion being welded as a whole with described fixed mount 19 front end and the square trough body structure being arranged on described connecting portion front end, it is connected with described double acting handlance 5 in described double acting hydraulic cylinder 13 is arranged on described leading truck 1 and by manometer tube a and manometer tube b, described double acting hydraulic cylinder 13 one end is connected by steady pin 2 is fixing with described leading truck 1, the other end is connected with described connecting rod 7 one end by connecting pin 6, the other end of described connecting rod 7 is flange arrangement, described ergometer 9 is fixed on the end face of described flange arrangement by multiple stove bolts 8 arranged along described flange arrangement circumferencial direction；
nullDescribed displacement sensing system includes detecting ring 20、Displacement transducer 21、Support ring 22，Described detection ring 20 and described support ring 22 are separately positioned on the top connection 28 of the hydroscillator being fixed in described fixed mount 19 and the sidewall of urceolus 29，Steel plate coplanar with described detection ring 20 and described support ring 22 respectively it is equipped with in the downside of described detection ring 20 and described support ring 22，Institute's displacement sensors 21 be vertically set on on the coplanar steel plate of described support ring 22，The free end i.e. induction end of institute's displacement sensors 21 is vertically arranged also relative to the coplanar steel plate of described detection ring 20，Make the institute's displacement sensors 21 change in displacement in described guidance system promotes hydroscillator generation axially reciprocating between detecting position displacement sensor 21 free end end and the coplanar steel plate of described detection ring 20 and by change in displacement data transmission to computer；
Wherein, the chain rate thickness of described support ring 22, more than the chain rate thickness of detection ring 20, makes described support ring 22 have sufficient intensity and rigidity；
nullDescribed circulation feeding test system includes guide flange 16、Forefront pressure sensor 17、Turning is the bent sub 18 of 90 °、Terminal pressure sensor 25、Straight joint 26、Effusion meter 27、Water pump 10 and water pot 11，Described bent sub 18 one end is connected with the outlet of described water pump 10、The other end is threaded with the top connection 28 of hydroscillator and is provided with the flange hole being connected with described guide flange 16 outside the bending place of described bent sub 18，Threaded with the urceolus bottom of hydroscillator in described straight joint 26 one end、The other end is connected with described effusion meter 27 by connecting line，Described effusion meter 27 is also sequentially connected with by connecting line with described water pot 11 and described water pump 10，The sidewall of described bent sub 18 and straight joint 26 is respectively equipped with the described forefront pressure sensor 17 of installation and the gauge hole of described terminal pressure sensor 25；Described guide flange 16 one end be flange arrangement, the other end be the arc ramp shaped structure that the flange hole with described bent sub 18 matches, make guide flange 16 and described bent sub 18 slitless connection and described at guide flange 16 outer wall and described bent sub 18 contact internal walls, be provided with two sealing rings formation sealings, described guide flange 16 is fixed on described bent sub 18 by multiple king-bolts 15, makes described guide flange 16, connecting rod 7, the horizontal direction pipeline of described bent sub 18 and hydroscillator be positioned on the same axis；
Described data acquisition and analysis system includes computer 12 and the signal-transmitting cable being connected respectively being connected with described computer 12 and being collected in a waterproof hub 14 with described ergometer 9, forefront pressure sensor 17, displacement transducer 21, terminal pressure sensor 25 and effusion meter 27；The data detected in real time are transferred in computer by described ergometer 9, forefront pressure sensor 17, displacement transducer 21, terminal pressure sensor 25 and effusion meter 27 by signal-transmitting cable, carry out data storage and data analysis；
Described fixed mount 19 is surrounded by the steel plate of two parallel constructions, described fixed mount 19 is provided with multiple installing hole, in described hydroscillator is arranged on described fixed mount 19 and respectively by being arranged in the middle part of fixed mount 19 and the front band 23 of end, rear end and lower catch hoop 24 are fixed in described fixed mount 19, described front band 23 and described lower catch hoop 24 and described leading truck 1 all connect fixing by the installing hole of described fixed mount 19, specifically, it is formed with the annular groove coordinated with front band 23 and lower catch hoop 24 and described hydroscillator on outer wall on the outer wall of described urceolus 29 left part and in the middle part of described straight joint 26 and straight joint 26 is fixed on described fixed mount by front band 23 and lower catch hoop 24.
This drilling well downhole hydraulic agitator experiment test device operation principle:
By horizontal thrust piston crank mechanism applying simulation thrust to hydroscillator guide flange end, carry drilling fluid supplies system simulation hydroscillator working condition at night；To analog data acquisition and analyzed by data acquisition and analysis system, draw thrust cyclic swing number in the unit interval by output time-domain curve, frequency of vibration can be calculated.By adjusting the data of different inputs, the working condition under the environment by compression of simulation down-hole and vibration parameters, and then the recovery process that analog vibration class special jewel well tool is in Practical Project.
Embodiment 2
Testing a kind of hydroscillator being ready in construction operation, pass judgment on whether this hydroscillator meets job requirements, its test specifically comprises the following steps that
S1, by drilling well downhole hydraulic oscillator analog test the guidance system of device, displacement sensing system, circulation feeding test system and data acquisition and analysis system assemble with hydroscillator to be tested, adjust size and the spacing of upper and lower clip, guarantee that watering system feed flow is normal, it is ensured that the signals collecting of ergometer 9, front end sensors 17, displacement transducer 21, terminal pressure sensor 25 and effusion meter 27 in data acquisition and analysis system is normal；
S2, simulation test: add water to the filling opening being located at double acting handlance and pass through hand pressure double cropping hydraulic pressure handlance 5, acting on double acting hydraulic cylinder 13 by manometer tube a and manometer tube b and make double acting hydraulic cylinder 13 be in extrapolation duty until ergometer 9 stops after contacting with guide flange 16, now ergometer 9 shows that thrust magnitude F1 is 10000N；Open water pump 10, it is gradually increased flow velocity to reach to keep this flow velocity constant when given flow speed value Q1 is 25L/s to through effusion meter 27 test display result, now hydroscillator enters and normally simulates duty, and data acquisition and analysis system starts gather the real-time testing data of connected each part transfers and carry out record；
S3, test data analysis:
I () records the displacement x in process of the test through displacement transducer 21, m-displacement diagram analyze its working law when making, wherein difference DELTA x of the maxima and minima of displacement x is tested hydroscillator amplitude under this operating mode；As it is shown on figure 3, specifically, maximum displacement x is 14mm, and least displacement x is 8mm, and i.e. can obtain hydroscillator amplitude Δ x under this operating mode is 6mm；
(ii) detecting real-time pressure P1 through forefront pressure sensor 17, detect pressure P2 through tip sensor 25, difference P1-P2 of the two is tested hydroscillator pressure consumption under this operating mode；Specifically, the pressure P1 that leading portion pressure transducer 17 detects is 3MPa, and the pressure P2 that tip sensor 25 detects is 1MPa, show that this hydroscillator pressure consumption under this operating mode is 2MPa for P1-P2；
(iii) detecting real-time thrust F through ergometer 9, real-time thrust F is tested hydroscillator available vibration force under this operating mode with difference F-F1 of given thrust magnitude F1；Specifically, be 10000N as given thrust magnitude F1 as previously mentioned, and real-time thrust F that ergometer records changes in the range of 20000N～50000N, i.e. hydroscillator available vibration force under this operating mode is that F-F1 changes in the range of 10000～40000N；
(iv) its time domain curve chart is made by the output data of record in above-mentioned steps (ii)～step (iii), the most as shown in Figure 4, and calculate frequency of vibration by the thrust magnitude cyclic swing number in the unit interval on time-domain curve figure, thrust magnitude cyclically-varying in i.e. 1s, as shown in Figure 4, in can drawing 1s, thrust magnitude cyclic swing number is about 10 times, i.e. the real work frequency of vibration of this hydroscillator is 10Hz；
S4, according to Practical Project situation adjust different parameters numerical value, i.e. adjust the thrust magnitude F1 and the liquid-supplying system flow velocity Q1 of conveying drilling fluid of double acting hydraulic cylinder, testing the applicable condition range of this hydroscillator one by one, test result proves that this hydroscillator meets construction requirement.
Above example is only in order to illustrate that the technical solution of the utility model is not intended to limit, although this utility model being described in detail with reference to above-described embodiment, those of ordinary skill in the field are it is understood that still can modify or equivalent to detailed description of the invention of the present utility model, and without departing from any amendment of this utility model spirit and scope or equivalent, it all should be contained in the middle of right of the present utility model.
Claims (9)
1. a drilling well downhole hydraulic oscillator analog tests device, it is characterized in that, including the guidance system being arranged on a fixed mount (19), displacement sensing system and circulation feeding test system, and data acquisition and analysis system, described guidance system is arranged on described fixed mount (19) front end and moves axially in reciprocal fashion power source for the offer of described hydroscillator, described displacement sensing system be arranged on described on the top connection (28) of hydroscillator be fixed in described fixed mount (19) and the sidewall of urceolus (29), measure under the impetus of described guidance system, change in displacement between described top connection (28) and the described urceolus (29) of hydroscillator.
nullDrilling well downhole hydraulic oscillator analog the most according to claim 1 test device，It is characterized in that，Described guidance system includes leading truck (1)、Double acting handlance (5)、Double acting hydraulic cylinder (13)、Connecting rod (7) and ergometer (9)，Described leading truck (1) is arranged on the front end of described fixed mount (19)，It is connected with described double acting handlance (5) in described double acting hydraulic cylinder (13) is arranged on described leading truck (1) and by manometer tube a (3) and manometer tube b (4)，Described double acting hydraulic cylinder (13) one end is connected by steady pin (2) and described leading truck (1) are fixing，The other end is connected with described connecting rod (7) one end by connecting pin (6)，The other end of described connecting rod (7) is flange arrangement，Described ergometer (9) is fixed on the end face of described flange arrangement by multiple stove bolts (8).
nullDrilling well downhole hydraulic oscillator analog the most according to claim 2 test device，It is characterized in that，Described displacement sensing system includes detecting ring (20)、Displacement transducer (21)、Support ring (22)，Described detection ring (20) and described support ring (22) are separately positioned on the top connection (28) of the hydroscillator being fixed in described fixed mount (19) and the sidewall of urceolus (29)，Steel plate coplanar with described detection ring (20) and described support ring (22) respectively it is equipped with in the downside of described detection ring (20) and described support ring (22)，Institute's displacement sensors (21) be vertically set on on the coplanar steel plate of described support ring (22)，Make the displacement transducer (21) change in displacement in guidance system promotes hydroscillator generation axially reciprocating between detecting position displacement sensor (21) free end end and the coplanar steel plate of described detection ring (20).
Drilling well downhole hydraulic oscillator analog the most according to claim 3 test device, it is characterized in that, described fixed mount (19) is surrounded by the steel plate of two parallel constructions, described fixed mount (19) is provided with multiple installing hole, described hydroscillator be arranged in described fixed mount (19) and respectively by be arranged on fixed mount (19) middle part and the front band (23) of end, rear end and lower catch hoop (24) to be fixed on described fixed mount (19) interior, described front band (23) and described lower catch hoop (24) and described leading truck (1) all connect fixing by the installing hole of described fixed mount (19).
nullDrilling well downhole hydraulic oscillator analog the most according to claim 3 test device，It is characterized in that，Described circulation feeding test system includes guide flange (16)、Forefront pressure sensor (17)、Bent sub (18)、Terminal pressure sensor (25)、Straight joint (26)、Effusion meter (27)、Water pump (10) and water pot (11)，Described bent sub (18) one end is connected with the outlet of described water pump (10)、The other end is connected with the top connection of hydroscillator (28) and is provided with the flange hole being connected with described guide flange (16) outside the bending place of described bent sub (18)，Described straight joint (26) one end is connected with the urceolus bottom of hydroscillator、The other end is connected with described effusion meter (27) by connecting line，Described effusion meter (27)、Described water pot (11) and described water pump (10) are sequentially connected with by connecting line，The sidewall of described bent sub (18) and straight joint (26) is respectively equipped with the described forefront pressure sensor (17) of installation and the gauge hole of described terminal pressure sensor (25).
Drilling well downhole hydraulic oscillator analog the most according to claim 5 test device, it is characterized in that, described guide flange (16) one end be flange arrangement, the other end be the arcuate structure that the flange hole with described bent sub (18) adapts, described guide flange (16) is fixed on described bent sub (18) by multiple king-bolts (15), makes described guide flange (16), connecting rod (7), the horizontal direction pipeline of described bent sub (18) and hydroscillator arrange on the same axis.
7. test device according to the downhole hydraulic oscillator analog of the drilling well described in claim 5 or 6, it is characterised in that described bent sub (18) is 90 °.
Drilling well downhole hydraulic oscillator analog the most according to claim 5 test device, it is characterized in that, described data acquisition and analysis system includes computer (12) and the signal-transmitting cable being connected respectively being connected with described computer (12) and being collected in a waterproof hub (14) with described ergometer (9), forefront pressure sensor (17), displacement transducer (21), terminal pressure sensor (25) and effusion meter (27).
Drilling well downhole hydraulic oscillator analog the most according to claim 1 test device, it is characterized in that, described fixed mount (19) is surrounded by the steel plate of two parallel constructions, described fixed mount (19) is provided with multiple installing hole, described hydroscillator be arranged in described fixed mount (19) and respectively by be arranged on fixed mount (19) middle part and the front band (23) of end, rear end and lower catch hoop (24) to be fixed on described fixed mount (19) interior, described front band (23) and described lower catch hoop (24) and described leading truck (1) all connect fixing by the installing hole of described fixed mount (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520743231.1U CN205426328U (en) | 2015-09-21 | 2015-09-21 | Hydroscillator simulating measurement setup is in pit used in well drilling |
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| CN201520743231.1U CN205426328U (en) | 2015-09-21 | 2015-09-21 | Hydroscillator simulating measurement setup is in pit used in well drilling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181125A (en) * | 2015-09-21 | 2015-12-23 | 中国石油集团渤海钻探工程有限公司 | Drilling-used downhole hydraulic oscillator simulation test device and test method thereof |
| CN106248416A (en) * | 2016-08-24 | 2016-12-21 | 中国石油集团渤海钻探工程有限公司 | Vibration class drilling tool device for detecting performance and application thereof |
| CN106383041A (en) * | 2016-12-09 | 2017-02-08 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Axial loading device |
| CN110646174A (en) * | 2018-06-08 | 2020-01-03 | 中国石油化工股份有限公司 | Testing device and testing method for performance parameters of auxiliary drilling tool |
-
2015
- 2015-09-21 CN CN201520743231.1U patent/CN205426328U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181125A (en) * | 2015-09-21 | 2015-12-23 | 中国石油集团渤海钻探工程有限公司 | Drilling-used downhole hydraulic oscillator simulation test device and test method thereof |
| CN106248416A (en) * | 2016-08-24 | 2016-12-21 | 中国石油集团渤海钻探工程有限公司 | Vibration class drilling tool device for detecting performance and application thereof |
| CN106383041A (en) * | 2016-12-09 | 2017-02-08 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Axial loading device |
| CN110646174A (en) * | 2018-06-08 | 2020-01-03 | 中国石油化工股份有限公司 | Testing device and testing method for performance parameters of auxiliary drilling tool |
| CN110646174B (en) * | 2018-06-08 | 2021-05-25 | 中国石油化工股份有限公司 | Testing device and testing method for performance parameters of auxiliary drilling tool |
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