CN110026371B - Tool for cleaning and oiling screw threads of petroleum drilling tool - Google Patents

Tool for cleaning and oiling screw threads of petroleum drilling tool Download PDF

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Publication number
CN110026371B
CN110026371B CN201910246506.3A CN201910246506A CN110026371B CN 110026371 B CN110026371 B CN 110026371B CN 201910246506 A CN201910246506 A CN 201910246506A CN 110026371 B CN110026371 B CN 110026371B
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China
Prior art keywords
storage box
shell
oil storage
screw thread
cleaning
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Active
Application number
CN201910246506.3A
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Chinese (zh)
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CN110026371A (en
Inventor
李中
黄熠
郭永宾
罗鸣
陈江华
马涛
李文拓
陈浩东
张超
肖平
方胜杰
邓文彪
娄益伟
贾轲
罗铸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
Original Assignee
China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
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Priority to CN201910246506.3A priority Critical patent/CN110026371B/en
Publication of CN110026371A publication Critical patent/CN110026371A/en
Application granted granted Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays

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  • Cleaning In General (AREA)

Abstract

The invention discloses a tool for cleaning and oiling a screw thread of an oil drilling tool, which comprises a multifunctional spray head, a guide pipe, a cover plate and a control system, wherein the multifunctional spray head is in a round table shape, the side wall of a shell of the multifunctional spray head is provided with an eyelet which is communicated with the inner cavity of the shell, the inner cavity of the shell is also provided with an annular inclined blade space, the guide pipe which is accessed from a bearing of a top cover is arranged in the inclined blade space, and the other end of the guide pipe penetrates through the center position of the cover plate above the multifunctional spray head to be connected with the control system. The invention has simple structure and convenient use, and can quickly and conveniently carry out cleaning and oiling operation on the screw thread of the drilling tool at the rotary table surface, thereby ensuring the safety and high efficiency of on-site drilling and completion operation.

Description

Tool for cleaning and oiling screw threads of petroleum drilling tool
Technical Field
The invention relates to petroleum drilling equipment, in particular to a tool for cleaning and oiling a screw thread of a petroleum drilling tool.
Background
With the continuous promotion of marine oil exploitation technology and operation equipment in China, oil and natural gas exploitation areas are gradually changed from normal temperature and normal pressure blocks to high-temperature and high-pressure blocks or even ultra-high temperature and ultra-high pressure blocks. Because the formation temperature and pressure of the high-temperature and high-pressure zone are higher, the requirements on downhole drilling tools and drilling fluid entering the well are very high. On one hand, the drilling circulation operation needs to be carried out by adopting mud with higher specific gravity, and meanwhile, the drilling operation is carried out by using a drilling tool with higher temperature resistance and pressure resistance; on the other hand, the slurry with higher specific gravity means the addition amount of solid phase particles with high proportion, a certain amount of solid phase particles are inevitably left on the screw thread of the drilling tool in the operation process, great potential hazards are brought to the safety and the sealing performance of the screw thread, particularly, the barite particles have strong abrasive performance, and the screw thread is damaged or locked to cause difficult-to-dismount when the screwing operation is carried out under the condition of incomplete cleaning.
The on-site threads are typically cleaned and oiled manually by wire brushes or by other existing tools. However, the existing tools have the following disadvantages: 1. potential risk of falling material in the well; 2. the cleaning of the steel wire brush can possibly cause thread damage and harm the safety of well drilling and completion operation; 3. the existing tool can only carry out cleaning or oiling operation, cannot carry out integrated automatic operation, and is low in timeliness.
Therefore, the development of an economic and convenient tool and process for integrating the cleaning and oiling of the screw thread of the petroleum drilling tool is very important for solving the problems of cleaning and oiling of the screw thread of the petroleum drilling tool.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a tool for cleaning and oiling the screw thread of the petroleum drilling tool, which has the advantages of simple structure and convenient use, and can quickly and conveniently clean and oil the screw thread of the drilling tool on the rotary table surface, thereby ensuring the safety and high efficiency of the field drilling and completion operation.
The technical scheme of the invention is as follows:
a tool for cleaning and oiling a screw thread of an oil drilling tool comprises a multifunctional spray head, a guide pipe, a cover plate and a control system, wherein the multifunctional spray head is in a round table shape, the side wall of a shell of the multifunctional spray head is provided with an eyelet which is communicated with the inner cavity of the shell, the inner cavity of the shell is also provided with an annular inclined blade space, the guide pipe which is accessed from a bearing of a top cover is arranged in the inclined blade space, and the other end of the guide pipe penetrates through the center of the cover plate above the multifunctional spray head and is connected with the control system;
the multifunctional spray head comprises a shell, a top cover, bearings, inclined blades and holes, wherein the top cover is arranged at the upper end of the shell, the bearings are arranged in the middle of the top cover, annular inclined blades are uniformly and longitudinally arranged on the inner side wall of the shell, radial holes and axial holes are formed in the shell between the inclined blades, the number of the holes which are uniformly and axially arranged at intervals is at least three, and the number of the holes which are uniformly and radially arranged at intervals is at least two;
control system, including returning venturi tube, hose, oil storage box the oil storage box hollow cuboid or for the ellipsoid shape that transparent plastic made, the top side and the bottom side of oil storage box all through returning venturi tube and pipe connection, oil storage box upper end one side is connected with the hose, the hose other end is placed in at the during operation and is held in the container of screw thread oil, is equipped with the oil storage box cover on the oil storage box, the pipe all replace with the resistance that reduces fluid with convex pipe along the position department that the extending direction took place the direction change, control system's lower terminal surface is fixed on the up end of apron.
The eyelet is wedge-shaped, and the inside is big and the outside is small.
The guide pipe is matched with the bearing inner ring, the upper end of the guide pipe is in sealing connection with the through hole in the middle of the disc-shaped cover plate through threads, at least two inclined pipes are arranged in the extending direction of the guide pipe, and the outlet directions of the inclined pipes face the inclined blades.
The cover plate is made of metal materials, is disc-shaped and is connected with the conduit through a central threaded hole, an opening is axially arranged on the side edge of the cover plate, the opening and the inner space of the drill tool joint are in a communicated state, and a handle is welded on the upper end face of the cover plate.
The shape pipe that returns on be equipped with first check valve, second check valve, tee bend angle valve and quick-operation joint, the shape pipe that returns on be equipped with tee bend angle valve, be connected with quick-operation joint on the tee bend angle valve, accessible quick-operation joint is linked together with the outside area pressure air supply, is equipped with first check valve on the shape pipe that returns from tee bend angle valve to the oil storage box bottom side junction, is equipped with the second check valve on the shape pipe that returns from tee bend angle valve to the oil storage box upside junction.
The multifunctional nozzle is made of nylon materials.
The diameter of the top cover is smaller than the inner diameter of the corresponding drill joint.
The invention has the beneficial effects that:
(1) the problem of low timeliness of on-site cleaning and oiling operation of the screw thread of the petroleum drilling tool can be solved;
(2) the integrated operation of cleaning and oiling the screw thread can be realized;
(3) the quick-wear part can be disassembled, so that the quick-wear part can be conveniently replaced subsequently;
(4) the screw thread oil can be automatically sucked by utilizing the siphon principle without manual oiling;
(5) has the advantages of simple structure, low cost and convenient use.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a schematic top view of the multifunctional nozzle of the present invention.
In the figure: the device comprises a shell 1, a top cover 2, a bearing 3, an inclined blade 4, a hole 5, a conduit 6, an inclined tube 7, a cover plate 8, an opening 9, a handle 10, a return tube 11, a hose 12, an oil storage box 13, an oil storage box cover 14, a first check valve 15, a second check valve 16, a three-way angle valve 17 and a quick joint 18.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention.
As shown in fig. 1 and 2, a tool for cleaning and oiling a screw thread of an oil drilling tool comprises a multifunctional spray head, a guide pipe, a cover plate and a control system, wherein the multifunctional spray head is in a circular truncated cone shape, the side wall of a shell 1 of the multifunctional spray head is provided with an eyelet 5, the eyelet 5 is communicated with the inner cavity of the shell 1, the inner cavity of the shell 1 is also provided with a space for installing an annular inclined blade 4, the guide pipe 6 connected from a bearing 3 of a top cover 2 is arranged in the space of the inclined blade 4, and the other end of the guide pipe 6 penetrates through the center of an upper cover plate 8 of the multifunctional spray head and is connected with;
the multifunctional spray head comprises a shell 1, a top cover 2, bearings 3, inclined blades 4 and holes 5, wherein the top cover 2 is arranged at the upper end of the shell 1, the bearings 3 are arranged in the middle of the top cover 2, the annular inclined blades 4 are longitudinally and uniformly arranged on the inner side wall of the shell 1, radial and axial holes 5 are formed in the shell 1 between the inclined blades 4, the number of the holes 5 which are axially and uniformly arranged at intervals is at least three, the number of the holes 5 which are radially and uniformly arranged at intervals is at least two, the multifunctional spray head is impacted to rotate by fluid sprayed from the axial and radial holes 5, the inner gap of the multifunctional spray head is small, the fact that fewer air sources are used for cleaning a screw thread can be ensured, or fewer screw thread oil are used for coating, and waste of air and oil is avoided;
the control system comprises a return pipe 11, a hose 12 and an oil storage box 13, wherein the oil storage box 13 is a hollow cuboid made of transparent plastics or is in an ellipsoidal shape, the top side and the bottom side of the oil storage box 13 are connected with a guide pipe 6 through the return pipe 11, one side of the upper end of the oil storage box 13 is connected with the hose 12, the other end of the hose 12 is placed in a container filled with threaded oil during working, an oil storage box cover 14 is arranged on the oil storage box, the oil storage box cover 14 is made of metal, the shape of the oil storage box cover is consistent with that of the oil storage box and is slightly larger in size, the oil storage box cover is used for protecting the oil storage box 13 from being damaged, the middle positions of four side surfaces of the oil storage box cover 14 in the vertical direction are respectively provided with a long and thin opening, the height of fluid in the oil storage box 13 can be clearly and conveniently observed through the openings, and the position of the guide pipe, which changes, the lower end face of the control system can be fixed on the upper end face of the cover plate 8 through welding or other modes, and the position of the control system is located at the position where the lifting handles 10 are symmetrical, so that observation and operation of field operators are facilitated.
The holes 5 are wedge-shaped, the inner part is large, the outer part is small, the pressure of high-pressure gas or liquid in the shell 1 sprayed out of the holes 5 can be increased, the multifunctional spray head is pushed to rotate, and therefore the sprayed gas can clean the screw thread of the joint in all directions, or the sprayed fluid can coat the screw thread of the joint in all directions and apply oil to the screw thread.
The multifunctional nozzle is made of nylon materials, can meet the strength requirement and has light weight.
The diameter of the top cover 2 is smaller than the inner diameter of the corresponding drill joint.
The guide pipe 6 is matched with the inner ring of the bearing 3, the upper end of the guide pipe is in sealing connection with the through hole in the middle of the disc-shaped cover plate 8 through threads, at least two inclined pipes 7 are arranged in the extending direction of the guide pipe 6, the outlet direction of each inclined pipe 7 faces the maximum section of each inclined blade 4 to increase the stress area of each inclined blade 4, and pressurized fluid is sprayed out through the inclined pipes 7 and then acts on the inclined blades 4 on the inner wall surface of the multifunctional spray head 1, so that the multifunctional spray head is pushed to rotate by taking the bearing 3 as the center.
The cover plate 8 is disc-shaped and is connected with the guide pipe 6 through a central threaded hole, an opening 9 is axially arranged on the side edge of the cover plate 8, a handle 10 is welded on the upper end face of the cover plate for lifting and placing the tool, the cover plate 8 is made of metal materials and has certain weight, the tool can be ensured to be placed on a drilling tool joint and cannot lift up due to the impact counter force of fluid with pressure at the lower part, the diameter of the cover plate 8 is designed to be larger than that of a common drilling tool joint, the lower end face of the cover plate 8 is contacted with the end face of the drilling tool joint, when the cover plate 8 is excessively sealed with the end face of the drilling tool joint, the fluid acts on the bottom end face of the cover plate 8 during working, gas or fluid sprayed out at high pressure generates upward thrust on the cover plate 8, and in order to ensure that the working is stable, the cleaning is not thorough and the oiling is not in place due to the jumping of a multifunctional spray head, so that excess high pressure fluid can be released through the opening 9 to relieve pressure.
The oil storage box is characterized in that a first one-way valve 15, a second one-way valve 16, a three-way angle valve 17 and a quick connector 18 are arranged on the loop pipe 11, the three-way angle valve 17 is connected with the quick connector 18 and can be communicated with an external pressurized air source through the quick connector 18, the first one-way valve 15 is arranged on the loop pipe 11 at the connecting position from the three-way angle valve 17 to the bottom side of the oil storage box 13, the second one-way valve 16 is arranged on the loop pipe 11 at the connecting position from the three-way angle valve 17 to the upper side of the oil storage box 13, the downward flowing direction of the air source enters from the quick connector 18 and flows through the first one-way valve 15 by the three; the upward flow direction is that the air source flows through the second one-way valve 16 from the three-way angle valve 17 to enter the oil storage box 13 and the inlet conduit 6, the communication between the three-way angle valve 17 and the first one-way valve 15 and the second one-way valve 16 can be separately controlled, the opening and the closing of the two lines can be controlled by manual operation, and only one line is in the opening or closing state at the same time, namely, the fluid flowing in from the quick connector 18 can only pass through one of the first one-way valve 15 or the second one-way valve 16 at the same time.
Cleaning principle: when the three-way angle valve 17 is adjusted to flow from the quick connector 18 to the second one-way valve 16, the line from the three-way angle valve 17 to the first one-way valve 15 needs to be closed, the pressurized air flow connected into the quick connector 18 flows from the second one-way valve 16 to the conduit 6 along the return pipe 11, then flows to the multifunctional nozzle from the conduit 6 and is ejected out through the plurality of holes 5 on the side wall surface of the nozzle, meanwhile, the inclined blades 4 on the inner wall of the multifunctional nozzle can drive the nozzle to rotate under the impact of the air flow of the inclined pipe 7, so that the air can uniformly sweep the screw thread for deep cleaning, and meanwhile, when the pressurized air flow flows from the second one-way valve 16 to the intersection of the return pipe 11 and the conduit 6, a siphon phenomenon can be formed, so that negative pressure is formed in the oil storage box 13, and the screw thread oil is sucked through.
The principle of oiling: when the three-way angle valve 17 is adjusted to the flow direction, namely the quick connector 18 to the first one-way valve 15, the line from the three-way angle valve 17 to the second one-way valve 16 needs to be closed, the pressurized air flow connected into the quick connector 18 flows along the first one-way valve 15, the air enters the oil storage box 13 after passing through the first one-way valve 15 and pushes the screw thread oil in the oil storage box 13 to flow upwards into the guide pipe 6 and flow to the multifunctional spray head, the pressurized screw thread oil is sprayed out through the inclined pipe 7 and then acts on the inclined blade 4 on the inner wall surface of the multifunctional spray head and is sprayed out from the hole 5, and therefore the multifunctional spray head is pushed to rotate, and meanwhile the screw thread oil sprayed out from the hole 5 can be uniformly and quickly sprayed to the screw thread position.
The tool is simple in structure and convenient to use, and can be used for quickly and conveniently cleaning and oiling the screw threads of the drilling tool at the position of the rotary table surface, so that the safety and the high efficiency of field drilling and well completion operation are guaranteed.
For the application of the invention, the operation steps are as follows:
(1) the condition of each connection position of the tool is checked to ensure that the relevant connecting piece cannot fall off;
(2) connecting a hose connected with a pressurized air source with a quick connector at a three-way angle valve;
(3) the tool is placed on a drilling tool joint at the turntable by a handle and is adjusted to a middle position;
(4) one end of a hose connected with the oil storage box is connected into a container containing threaded oil and is arranged below the oil level;
(5) opening the three-way angle valve and the second one-way valve, and closing the first one-way valve at the same time, so that the flow direction of the air source is from the quick connector to the second one-way valve, and at the moment, cleaning work can be carried out on the screw thread of the drilling tool;
(6) opening an air source for starting air supply, and observing the height of the oil level in the oil storage box;
(7) when the height of the oil level in the oil storage box reaches the design height, the opening direction of the three-way angle valve is adjusted, the second one-way valve needs to be closed, and the first one-way valve is opened at the same time, so that the flowing direction of the air source is from the quick connector to the first one-way valve, and the oil coating work can be carried out at the moment;
(8) observing the oil level position in the oil storage box, and when the residual oil amount in the oil storage box reaches a design value or the screw thread oil is just completely discharged, closing the three-way angle valve in time to prevent the air flow from continuously circulating, so that the screw thread oil in the oil storage box is prevented from continuously entering a return pipe after being completely discharged by the pressurized air flow, and further closing to perform secondary cleaning on the screw thread;
(9) and closing the air source to stop air supply, taking out the tool through the handle, and adjusting the three-way angle valve to enable the air source to flow from the quick connector to the second one-way valve so as to remove redundant air flow in the pipeline, and closing the three-way angle valve after the air removal is finished.
Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention, the parts not specifically described or shown are prior art and are not specifically described or shown in the drawings. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Claims (6)

1. The utility model provides a instrument for realizing that oil drilling tool screw thread is clean and fat liquoring which characterized in that: the multifunctional spray head is in a round table shape, a hole (5) is formed in the side wall of a shell (1), the hole (5) is communicated with the inner cavity of the shell (1), an annular inclined blade (4) mounting space is further arranged in the inner cavity of the shell (1), a guide pipe (6) connected from a bearing (3) of a top cover (2) is arranged in the inclined blade (4) space, and the other end of the guide pipe (6) penetrates through the center of an upper cover plate (8) of the multifunctional spray head and is connected with a control system;
the multifunctional sprayer comprises a shell (1), a top cover (2), bearings (3), inclined blades (4) and holes (5), wherein the top cover (2) is arranged at the upper end of the shell (1), the bearings (3) are arranged in the middle of the top cover (2), the annular inclined blades (4) are uniformly and longitudinally arranged on the inner side wall of the shell (1), radial holes and axial holes (5) are formed in the shell (1) between the inclined blades (4), the number of the holes (5) uniformly and axially arranged at intervals is at least three, and the number of the holes (5) uniformly and radially arranged at intervals is at least two;
the control system comprises a return pipe (11), a hose (12) and an oil storage box (13), wherein the oil storage box (13) is a hollow cuboid or an ellipsoid made of transparent plastics, the top side and the bottom side of the oil storage box (13) are connected with a conduit (6) through the return pipe (11), one side of the upper end of the oil storage box (13) is connected with the hose (12), the other end of the hose (12) is placed in a container filled with threaded oil during working, the oil storage box is provided with an oil storage box cover (14), the position of the conduit, which changes along the extension direction, is replaced by an arc-shaped pipe so as to reduce the resistance of fluid, and the lower end face of the control system is fixed on the upper end face of a cover plate (8);
go back venturi tube (11) on be equipped with first check valve (15), second check valve (16), tee bend angle valve (17) and quick-operation joint (18), be connected with quick-operation joint (18) on tee bend angle valve (17), accessible quick-operation joint (18) are linked together with the pressure air supply of outside, be equipped with first check valve (15) on returning venturi tube (11) from tee bend angle valve (17) to oil storage box (13) bottom side junction, be equipped with second check valve (16) on returning venturi tube (11) from tee bend angle valve (17) to oil storage box (13) upside junction.
2. The tool for cleaning and oiling the screw thread of the oil drilling tool according to claim 1, wherein: the eyelet (5) is wedge-shaped, and the inside is big and the outside is small.
3. The tool for cleaning and oiling the screw thread of the oil drilling tool according to claim 1, wherein: the guide pipe (6) is matched with the inner ring of the bearing (3), the upper end of the guide pipe is in sealing connection with the opposite through hole in the middle of the disc-shaped cover plate (8) through threads, at least two inclined pipes (7) are arranged along the extension direction of the guide pipe (6), and the outlet direction of each inclined pipe (7) is opposite to the inclined blade (4).
4. The tool for cleaning and oiling the screw thread of the oil drilling tool according to claim 1, wherein: apron (8) for the metal material preparation, be the disc, be connected with pipe (6) through central screw hole, apron (8) side is equipped with an opening (9) along the axial, opening (9) and drilling tool joint inner space are in the intercommunication state, apron (8) up end welding has a handle (10).
5. The tool for cleaning and oiling the screw thread of the oil drilling tool according to claim 1, wherein: the multifunctional nozzle is made of nylon materials.
6. The tool for cleaning and oiling the screw thread of the oil drilling tool according to claim 1, wherein: the diameter of the top cover (2) is smaller than the inner diameter of the corresponding drill tool joint.
CN201910246506.3A 2019-03-29 2019-03-29 Tool for cleaning and oiling screw threads of petroleum drilling tool Active CN110026371B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910246506.3A CN110026371B (en) 2019-03-29 2019-03-29 Tool for cleaning and oiling screw threads of petroleum drilling tool

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Application Number Priority Date Filing Date Title
CN201910246506.3A CN110026371B (en) 2019-03-29 2019-03-29 Tool for cleaning and oiling screw threads of petroleum drilling tool

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CN110026371A CN110026371A (en) 2019-07-19
CN110026371B true CN110026371B (en) 2020-07-10

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006037069A1 (en) * 2005-08-19 2007-02-22 Denso Corp., Kariya Method for modifying an inner surface of a hole in a workpiece comprises injecting a water jet having a predetermined water pressure into a hole in a workpiece
CN203366862U (en) * 2013-07-29 2013-12-25 上海康成铜业集团有限公司 Siphon oiling device
CN203917230U (en) * 2014-06-11 2014-11-05 安徽江淮汽车股份有限公司 A kind of cleaning and oiling station
CN205762085U (en) * 2016-06-27 2016-12-07 无锡中地钻探装备有限公司 A kind of end oiling station of drilling rod
CN206655661U (en) * 2017-04-19 2017-11-21 长安大学 A kind of device for drilling rod cleaning and inunction maintenance integration
CN208341215U (en) * 2018-03-22 2019-01-08 江苏省金峰石油机械制造有限公司 Helicoid hydraulic motor cleaning device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006037069A1 (en) * 2005-08-19 2007-02-22 Denso Corp., Kariya Method for modifying an inner surface of a hole in a workpiece comprises injecting a water jet having a predetermined water pressure into a hole in a workpiece
CN203366862U (en) * 2013-07-29 2013-12-25 上海康成铜业集团有限公司 Siphon oiling device
CN203917230U (en) * 2014-06-11 2014-11-05 安徽江淮汽车股份有限公司 A kind of cleaning and oiling station
CN205762085U (en) * 2016-06-27 2016-12-07 无锡中地钻探装备有限公司 A kind of end oiling station of drilling rod
CN206655661U (en) * 2017-04-19 2017-11-21 长安大学 A kind of device for drilling rod cleaning and inunction maintenance integration
CN208341215U (en) * 2018-03-22 2019-01-08 江苏省金峰石油机械制造有限公司 Helicoid hydraulic motor cleaning device

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