CN218030071U - Quick-connection and disassembly type underground tool matching short joint - Google Patents
Quick-connection and disassembly type underground tool matching short joint Download PDFInfo
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- CN218030071U CN218030071U CN202222413370.0U CN202222413370U CN218030071U CN 218030071 U CN218030071 U CN 218030071U CN 202222413370 U CN202222413370 U CN 202222413370U CN 218030071 U CN218030071 U CN 218030071U
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Abstract
The utility model discloses a quick-connecting and disassembling short section matched with an underground tool, which comprises a lower matched short section, a lower coupling and an underground tool coupling; the upper end of the lower matching short section is in threaded connection with the lower end of the underground tool coupling; the lower end of the lower matching short section is connected with the upper end of the lower coupling in a screw thread manner; the upper end of the underground tool coupling is connected with the lower end of the underground tool in a threaded manner. The device also comprises an upper matching short joint, an upper coupling and an upper joint of a downhole tool; the lower end of the upper matching short section is in threaded connection with the upper end of the upper coupling; the lower end of the upper coupling is connected with an upper connector of the underground tool in a threaded manner. The upper end of the upper matching short section is connected with the first joint in a threaded manner. The utility model discloses a replace artifical upper and lower connector and the oil pipe connection of accomplishing downhole tool with the breakout tongs with hydraulic power pincers and unload between and on, labour saving and time saving, surface cleaning, the protection tool is not impaired, safe and reliable moreover.
Description
Technical Field
The utility model belongs to the technical field of the oil well operation and specifically relates to a supporting nipple joint of downhole tool of high-speed joint dismantlement.
Background
Downhole tools are essential components that are indispensable to workover operations. At present, hydraulic power tongs are mainly used for unloading oil pipes of oil-water well pipe columns, and the labor efficiency of operation and construction is improved. However, the upper and lower joints of most downhole tools of oil-water well pipe columns are connected with and disconnected from an oil pipe, and the upper and lower joints are short, so that hydraulic power tongs cannot be lapped, when the downhole tools are connected with the oil pipe or the downhole tools, the downhole tools need to be put on the ground, 3 people are needed to cooperate, the upper and lower joints of the downhole tools are connected with and disconnected from the oil pipe by using pipe tongs by manpower, the connection and disconnection of the upper and lower joints of the downhole tools and the oil pipe takes more than 2 hours on average, time and labor are wasted, the downhole tools are not clean and safe, the tools are damaged, and the torque of connecting screw threads is unstable. With the rapid development of workover operation technology, the standardization degree of downhole tools cannot meet the requirement of rapid loading and unloading of automatic operation, the sizes of automatic robot matching tools and pipe column accessories do not correspond, manual loading and unloading are required to be changed, the exertion of automatic efficiency is influenced, and the operation efficiency is seriously reduced. According to field observation, the time of manually loading and unloading the downhole tool by using the pipe tongs accounts for about 25% of the whole well cycle, the manual pipe tongs and the hydraulic power tongs are alternately loaded and unloaded, and the ineffective working time of conversion accounts for about 5% of the whole well cycle. Meanwhile, as the magnitude of the torque for unloading the pipe tongs manually operated is unstable, if the torque is smaller than the torque for unloading the hydraulic power tongs, the phenomena of inclined buckling, incomplete buckling and slipping can occur in operation, and the oil pipe is easy to be tripped in the production process, thereby shortening the production period of the oil-water well.
Publication (bulletin) No.: CN103939038A, published (public) day: 2014-07-23 relates to a hydraulic power tong without tooth marks, which mainly comprises a rotary main tong with a braking device for double brakes, a hydraulic cylinder clamping type clamping back tong, a frame type rear guide rod assembly and a front guide rod assembly; the bottom of the rotary main clamp is respectively and fixedly connected with the frame type rear guide rod assembly and the front guide rod assembly, and the frame type rear guide rod assembly is fixedly connected with the front guide rod assembly through the clamping back clamp.
In application No.: CN215762194U, a fixed valve device for oil pump, which is convenient to disassemble, includes a fixed valve body, and the fixed valve body includes a valve seat and a valve core disposed inside the valve seat; the device also comprises a lower joint; the upper end of the lower joint is connected with the lower end of the valve seat.
In the application No.: CN209483232U, which is a chinese patent application, relates to a multifunctional quick nipple for oil pipe universal use, which comprises a hollow nipple body, wherein a first internal thread section and a second internal thread section are arranged on an inner wall of one end of the nipple body at intervals from outside to inside, and the diameter of the first internal thread section is greater than that of the second internal thread section; first external thread section and second external thread section are set up from outside-in interval on the other end outer wall of nipple joint body, and the diameter size of first external thread section is less than the diameter size of second external thread section. This multi-functional quick nipple joint of oil pipe general suitable can adapt to multiple screw specification, avoids deposit to become detains, reduces the connection workload, can realize the high-speed joint between different specification screw threads in the instrument in the pit.
Technical scheme and the technical problem that will solve and the beneficial effect who produces of above disclosure technique all with the utility model discloses inequality, to the utility model discloses more technical characteristics and the technical problem and the beneficial effect that will solve all do not have the technological inspiration in the above technical document that discloses.
SUMMERY OF THE UTILITY MODEL
The above-mentioned defect to prior art existence, the utility model aims at providing a supporting nipple joint of downhole tool that quick connection dismantled unloads on and unloads work on between and fast realizing the connection of the upper and lower joint of downhole tool and oil pipe. The hydraulic power tongs are used for replacing manual pipe tongs to complete connection and disconnection of the upper joint and the lower joint of the downhole tool and the oil pipe and connection and disconnection between the upper joint and the lower joint and the oil pipe, time and labor are saved, the surface is clean, and the tool is protected from being damaged, safe and reliable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a downhole tool matching short section capable of being quickly connected and disassembled comprises a lower matching short section, a lower coupling and a downhole tool coupling;
the upper end of the lower matching short section is connected with the lower end of the coupling of the downhole tool in a threaded manner;
the lower end of the lower matching short section is connected with the upper end of the lower coupling in a screw thread manner;
the upper end of the underground tool coupling is connected with the lower end of the underground tool in a threaded manner.
Furthermore, the device also comprises an upper matching short joint, an upper coupling and an upper joint of a downhole tool;
the lower end of the upper matching short section is in threaded connection with the upper end of the upper coupling;
the lower end of the upper coupling is connected with an upper connector of the underground tool in a threaded manner.
Furthermore, the upper end of the upper matching short section is in threaded connection with the first joint.
Further, the lower coupling is hung on the elevator or the upper joint of the downhole tool is sleeved in the elevator.
Further, the lower coupling is used for being clamped and fixed by a back tong of the hydraulic power tong; and the lower matched short section is used for being clamped and fixed by a main tong of the hydraulic power tong.
Furthermore, the upper coupling is clamped and fixed by a back-up tong of the hydraulic power tong; the upper matching short section is used for being clamped and fixed by a main tong of the hydraulic power tong.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model changes manual unloading of the downhole tool by the pipe tongs into the unloading of the hydraulic power tongs, which saves the labor time by 2-4 hours; the unloading is changed from the cooperation of 3 persons to the unloading of 1 person, the operation time is shortened to about 5 minutes, the human resources are saved, and the labor intensity is reduced.
2. The utility model discloses avoided the manual work to use the breakout tongs to take place the personal safety hidden danger of skidding production, guaranteed that the production string does not seep and not leak, to the technological measure well, the entering liquid of fracturing, acidizing advances the tubular column and does not take place the short circuit, improves the measure effective rate.
3. The utility model discloses a cleaning operation does not sting oil pipe and instrument, indeformable, and the screw thread is not harmd to the oblique thread, and the screw thread moment of torsion is suitable to be gone up and is detained and put in place, has protected downhole tool, has kept the instrument clean.
4. The utility model discloses do not influence the design of technology production tubular column, the supporting nipple joint technical parameter of downhole tool is standard, can be according to the design of hydraulic pressure movable clamp technical parameter. By using the short section matched with the underground tool, the matched combination of the pipe columns is optimized, manual operation is replaced, and the speed-up and quality-improvement are realized.
5. The utility model promotes the standardized construction of the automatic robot, quickly takes off the pipe column, shortens the time of the well-entering liquid invading the oil layer, protects the oil layer and prevents well blowout; the method is also suitable for the sucker rod string, improves the management efficiency of safety and environmental protection, and promotes the development of green and low carbon.
Drawings
Fig. 1 is the utility model relates to a quick connect dismantles the structural schematic diagram of the supporting nipple joint of downhole tool.
In the figure: the device comprises a first joint 1, an upper matching short section 2, a lifting cylinder 3, an upper coupling 4, an upper joint 5 of a downhole tool, a downhole tool 6, a coupling 7 of the downhole tool, a lifting handle 8, a hydraulic motor 9, a main tong 10, a lower matching short section 11, a lower coupling 12, a back tong 13, an elevator 14 and an oil pipe 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, the matched short joint of the downhole tool for quick connection and disassembly has the following structure: the pipe joint comprises fifteen parts, namely a first joint 1, an upper matched short section (with the length of 40cm-42cm and the outer diameter of 50mm-95 mm) 2, a hanging cylinder 3, an upper coupling (with the length of 13cm-14cm and the outer diameter of 73mm-95 mm) 4, an upper joint 5 of a downhole tool, a downhole tool 6, a coupling (with the length of 13cm-14cm and the outer diameter of 73mm-95 mm) 7 of the downhole tool, a hanging handle 8, a hydraulic motor 9, a main tong 10, a lower matched short section (with the length of 40cm-42cm and the outer diameter of 50mm-95 mm) 11, a lower coupling (with the length of 13cm-14cm and the outer diameter of 73mm-95 mm) 12, a back tong 13, a hanging card 14, an oil pipe 15 and the like.
The upper end of the lower matching short section 11 is in threaded connection with the lower end of the underground tool coupling 7;
the lower end of the lower matching short section is connected with the upper end of the lower coupling 12 in a threaded manner;
the upper end of the underground tool coupling is connected with the lower end of the underground tool 6 in a threaded mode.
Further, the lower end of the upper matching short section 2 is in threaded connection with the upper end of the upper coupling 4;
the lower end of the upper coupling is connected with an upper connector 5 of the downhole tool in a threaded mode.
Furthermore, the upper end of the upper matching short section is connected with the first joint 1 in a threaded manner.
Further, the lower collar is hung on the elevator 14 or the upper tool joint is sleeved in the elevator 14.
Further, the lower coupling is used for being clamped and fixed by a back-up wrench 13 of the hydraulic power tongs; the lower matching short section is used for being clamped and fixed by a main tong 10 of the hydraulic power tong.
Further, the upper coupling is used for being clamped and fixed by a back-up wrench 13 of the hydraulic power tongs; the upper matching short section is used for being clamped and fixed by a main tong 10 of the hydraulic power tong.
When the underground tool is unloaded from the lower part of the underground tool, the underground tool coupling 7 is connected to the lower matching short section 11, the lower coupling 12 is hung on the elevator 14, and the section of the oil pipe 15 connected to the lower coupling 12 is sleeved in the elevator 14. When the matched short section 11 is dismounted, the height of the lifting barrel 3, the lifting handle 8 and the steel wire rope is adjusted, and the adjusting parts and the adjusting process are all the prior art, so that the process is not repeated, the hydraulic power tongs back tongs 13 bites the lower coupling 12, the main tongs 10 bites the body of the lower matched short section 11, the hydraulic motor 9 is started or the matched short section 11 is dismounted, namely the lower matched short section 11 is connected or disconnected with the downhole tool 6, and the hydraulic power tongs are used for completing the dismounting of the downhole tool 6. The two words of upper and lower refer to mounting or dismounting, upper refers to mounting or connecting, and lower refers to dismounting.
In loading and unloading above the downhole tool, the upper part of the downhole tool 6 is fitted with hydraulic power tongs and an elevator 14, and the operation is as follows: the upper part of the connecting device comprises a first connector 1, an upper matching short section 2, a hanging cylinder 3, an upper coupling 4 and a downhole tool upper connector 5. The upper matching short section 2 is connected with a first joint 1 and an upper coupling 4, the upper coupling 4 is hung on an elevator 14, and the section between the upper joint 5 of the downhole tool and the downhole tool 6 is sleeved in the elevator 14. When the matched short section 2 is unloaded, the height of the hanging barrel 3, the hanging handle 8 and the steel wire rope is adjusted, the back tong 13 of the hydraulic power tong bites the upper coupling 4, the main tong 10 bites the body of the matched short section 2, the hydraulic motor 9 is started to unload or unload the matched short section 2, and the hydraulic power tong is used for completing the unloading and loading of the downhole tool 6.
The upper joint of the underground tool and the interval of the underground tool are wrapped in the elevator, the back clamp of the hydraulic power clamp embraces the upper coupling, the main clamp embraces the upper matching short section body, the hydraulic motor is started to load or unload the matching short section, and the hydraulic power clamp is used for completing the loading and unloading of the underground tool.
The upper matching short section is connected with an upper joint and a lower coupling, the upper coupling 4 is hung on the elevator, and the interval between the upper joint of the downhole tool and the downhole tool is wrapped in the elevator. When the matched short section is disassembled, the heights of the hanging cylinder, the hanging handle and the steel wire rope are adjusted. The back clamp of the hydraulic power clamp embraces the upper coupling, and the main clamp embraces the upper matching short section body. And starting a hydraulic motor to mount or dismount the matched short joint, and completing the mounting and dismounting of the downhole tool by using hydraulic power tongs. The size of the joint is lengthened, the lap-joint elastic buckling is realized by using the wellhead hydraulic clamp, and the connection and the disassembly are quickly completed.
The utility model discloses a theory of operation: the back tong of the common hydraulic pipe tongs (XQ 89/3 YC) bites a coupling, the main tong bites a matched short joint, and the upper and lower parts connected with the downhole tool are quickly unloaded by pressurizing and tripping operation.
Example 1: the fixed valve assembly of the oil well pump is connected with a matched short joint, so that the rapid dissection pump is realized. The oil well pump fixed valve assembly is the same as the upper coupling 4, the lower joint of the pump cylinder of the oil well pump is the same as the first joint 1, a matching short joint 2 is connected between the oil well pump fixed valve assembly and the first joint, and the upper joint 5 of the downhole tool connected below the oil well pump fixed valve assembly is the same as the oil pipe 15. When the matched pup joint 2 is dismounted, the upper coupling 4 is hung on the elevator 14, the oil pipe 15 is sleeved in the elevator 14, the heights of the hanging cylinder 3, the hanging handle 8 and the steel wire rope are adjusted, the back tong 13 of the hydraulic power tong bites the upper coupling 4, the main tong 10 bites the body of the matched pup joint 2, the hydraulic motor 9 is started or the matched pup joint 2 is dismounted, and the fixed valve and the valve seat are taken out to finish the oil pump dissection. The upper and lower disassembling modes are not required to be changed, the time spent in each dissection is 3 minutes, and the device is time-saving, labor-saving, safe and reliable.
Example 2: the matched short sections are arranged on the upper part and the lower part of underground tools such as a sand screen, a packer, a water distributor, a tubing anchor, an oil well pump, a gas-liquid separator and the like.
Embodiments of an upper portion of each downhole tool. The upper matching short joint 2 is connected with a first joint 1 and an upper coupling 4, the upper coupling 4 is hung on an elevator 14, and the section between the upper joint 5 of the downhole tool and the downhole tool 6 is sleeved in the elevator 14. When the matched short section 2 is assembled and disassembled, the heights of the hanging barrel 3, the hanging handle 8 and the steel wire rope are adjusted, the back tong 13 of the hydraulic power tong bites the upper coupling 4, the main tong 10 bites the body of the matched short section 2, the hydraulic motor 9 is started to assemble or disassemble the matched short section 2, and the hydraulic power tong is used for completing the assembly and disassembly of the upper connection of the downhole tool 6.
Embodiments of a lower portion of each downhole tool. The lower matching short joint 11 is connected with a downhole tool coupling 7 at the upper part and a lower coupling 12 at the lower part, the lower coupling 12 is hung on an elevator 14, and a section of oil pipe 15 connected with the lower coupling 12 at the lower part is sleeved in the elevator 14. When the matched short section 11 is dismounted, the heights of the hanging barrel 3, the hanging handle 8 and the steel wire rope are adjusted, the back tong 13 of the hydraulic power tong bites the lower coupling 12, the main tong 10 bites the body of the lower matched short section 11, the hydraulic motor 9 is started to dismount or mount the matched short section 11, and the hydraulic power tong is used for completing the dismounting of the lower connection part of the downhole tool 6.
Example 3: extension tail pipe plug, safe festival, oil pipe become the pipe body length of downhole tools such as festival, hanger nipple joint, downhole tools's pipe body is with last supporting nipple joint 2, becomes "supporting nipple joint + top connection + oil pipe" connected mode, its implementation: go up supporting nipple joint 2 and connect tail pipe plug or safety festival or oil pipe change festival or hanger nipple joint etc. down, go up supporting nipple joint 2 and go up and connect first joint 1, be connected with oil pipe 15 on the first joint 1, first joint 1 hangs on elevator 14, goes up 2 sections of supporting nipple joint covers in elevator 14. When the oil pipe 15 is loaded and unloaded, the heights of the lifting barrel 3, the lifting handle 8 and the steel wire rope are adjusted, the back tong 13 of the hydraulic power tongs bites the first joint 1, the main tong 10 bites the body of the oil pipe 15, the hydraulic motor 9 is started to load or unload the oil pipe 15, and the hydraulic power tongs are used for completing the loading and unloading of downhole tools such as a tail pipe plug, a safety joint, an oil pipe joint, a hanger short joint and the like.
The matched short section of the downhole tool capable of being quickly connected and disassembled is implemented, so that the hydraulic power tongs are used for replacing manual pipe tongs to complete connection and disconnection of the upper joint, the lower joint and the oil pipe of the downhole tool and connection and disconnection between the upper joint and the lower joint and the oil pipe, time and labor are saved, the surface is clean, and the downhole tool is protected from being damaged and is safe and reliable.
All parts and components which are not discussed in the present application and the connection mode of all parts and components in the present application belong to the known technology in the technical field. The application is direct and will not be described in detail.
In the present application, the term "plurality" is intended to mean two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to include, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A quick-connecting and disassembling underground tool matching short section is characterized by comprising a lower matching short section, a lower coupling and an underground tool coupling;
the upper end of the lower matching short section is in threaded connection with the lower end of the underground tool coupling;
the lower end of the lower matching short section is connected with the upper end of the lower coupling in a thread-fastening manner;
the upper end of the underground tool coupling is connected with the lower end of the underground tool in a threaded manner.
2. The quick connect disconnect downhole tool mating sub of claim 1, further comprising an upper mating sub, an upper collar, a downhole tool upper sub;
the lower end of the upper matching short section is in threaded connection with the upper end of the upper coupling;
the lower end of the upper coupling is connected with an upper connector of the underground tool in a threaded manner.
3. The quick connect disconnect downhole tool kit sub of claim 2, wherein the upper end of the upper kit sub is threadably connected to the first connector.
4. A quick connect disconnect downhole tool sub according to claim 3, wherein the lower collar is hung from the elevator or the downhole tool upper sub is sleeved in the elevator.
5. The quick connect disconnect sub of claim 4, wherein the lower collar is adapted to be captured by a back-up tong of a hydraulic power tong; and the lower matched short section is used for being clamped and fixed by a main tong of the hydraulic power tong.
6. The quick connect disconnect sub of claim 4 or 5, wherein the upper collar is adapted to be clamped in place by a back-up tong of a hydraulic power tong; the upper matched short section is used for being clamped and fixed by a main tong of the hydraulic power tong.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222413370.0U CN218030071U (en) | 2022-09-13 | 2022-09-13 | Quick-connection and disassembly type underground tool matching short joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222413370.0U CN218030071U (en) | 2022-09-13 | 2022-09-13 | Quick-connection and disassembly type underground tool matching short joint |
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| CN218030071U true CN218030071U (en) | 2022-12-13 |
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| CN202222413370.0U Active CN218030071U (en) | 2022-09-13 | 2022-09-13 | Quick-connection and disassembly type underground tool matching short joint |
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| CN (1) | CN218030071U (en) |
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