CN204152439U - Left-hand thread helicoid hydraulic motor - Google Patents
Left-hand thread helicoid hydraulic motor Download PDFInfo
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- CN204152439U CN204152439U CN201420575255.6U CN201420575255U CN204152439U CN 204152439 U CN204152439 U CN 204152439U CN 201420575255 U CN201420575255 U CN 201420575255U CN 204152439 U CN204152439 U CN 204152439U
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- pass valve
- shaft assembly
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Abstract
The utility model discloses a kind of left-hand thread helicoid hydraulic motor, comprise by-pass valve assembly, the bottom of described by-pass valve assembly is connected with motor assembly, the bottom of described motor assembly is connected with universal drive shaft assembly, the bottom of described universal drive shaft assembly is connected with driving-shaft assembly, described by-pass valve assembly is provided with by-pass valve body, and the upper axial of described by-pass valve body offers valve body intake channel, and the inwall of described valve body intake channel is provided with the valve body left-hand thread screw thread arranged counterclockwise; Described driving-shaft assembly bottom is provided with lower adapter, and described lower adapter axially offers joint exit passageway, and the inwall of described joint exit passageway is provided with the joint left-hand thread screw thread arranged counterclockwise.The beneficial effects of the utility model are: prevent horizontal segment back-off frictional resistance greatly, not Tiao seriously, the appearance of the problem such as back-off is difficult, drilling tool does not leave, avoid causing new underground work accident; Extend the application life of sleeve pipe and tubing string, turn improve the operating efficiency of back-off, abrasive drilling, cover milling.
Description
Technical field
The utility model relates to a kind of oil, gas drilling machinery, particularly relates to a kind of left-hand thread helicoid hydraulic motor.
Background technology
Helicoid hydraulic motor is before dispatching from the factory, and the connecting thread between each parts is coated with anaerobic adhesive all, and tightens by regulation moment, does not need again to link closely before using.At operation field, helicoid hydraulic motor loads and unloads as an entirety, and namely its top and rotating disk assemble, and its underpart and drill bit assemble, because the manual site that is assembled into of helicoid hydraulic motor and rotating disk, drill bit operates, tightness of its assembling is often not as helicoid hydraulic motor miscellaneous part is in the assembling tightness of producer.In actual well drilled process, along with the increase of horizontal well, sidetrack horizontal well quantity, well workover problem supporting is with it more and more outstanding, due to the particularity of Horizontal Well body structure, there is larger reparation difficulty, and the loss of moment of torsion, pulling force and load transfer is large, unfreezing fishing difficulty; Whether the resistance of helicoid hydraulic motor tubing string mill is large, drag for obtain not easily to judge when salvaging a small amount of junk; Well of threading off falls well accident with fracture to be increased, thus causes larger economic loss.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of prevent horizontal segment back-off frictional resistance greatly, not Tiao seriously, the appearance of the problem such as back-off is difficult, drilling tool does not leave, avoid causing new underground work accident, the left-hand thread helicoid hydraulic motor of the operating efficiency of raising back-off, abrasive drilling, cover milling.
For solving the problems of the technologies described above, the technical solution of the utility model is: left-hand thread helicoid hydraulic motor, comprise by-pass valve assembly, the bottom of described by-pass valve assembly is connected with motor assembly, the bottom of described motor assembly is connected with universal drive shaft assembly, the bottom of described universal drive shaft assembly is connected with driving-shaft assembly, described by-pass valve assembly is provided with by-pass valve body, the upper axial of described by-pass valve body offers valve body intake channel, and the inwall of described valve body intake channel is provided with the valve body left-hand thread screw thread arranged counterclockwise; Described driving-shaft assembly bottom is provided with lower adapter, and described lower adapter axially offers joint exit passageway, and the inwall of described joint exit passageway is provided with the joint left-hand thread screw thread arranged counterclockwise.
As preferred technical scheme, described by-pass valve assembly is fixedly connected with by the screw thread arranged counterclockwise with described motor assembly.
As the improvement to technique scheme, described motor assembly is fixedly connected with by the screw thread arranged counterclockwise with described universal drive shaft assembly.
As the further improvement to technique scheme, described universal drive shaft assembly is fixedly connected with by the screw thread arranged counterclockwise with described driving-shaft assembly.
Owing to have employed technique scheme, left-hand thread helicoid hydraulic motor, comprise by-pass valve assembly, the bottom of described by-pass valve assembly is connected with motor assembly, the bottom of described motor assembly is connected with universal drive shaft assembly, and the bottom of described universal drive shaft assembly is connected with driving-shaft assembly, and described by-pass valve assembly is provided with by-pass valve body, the upper axial of described by-pass valve body offers valve body intake channel, and the inwall of described valve body intake channel is provided with the valve body left-hand thread screw thread arranged counterclockwise; Described driving-shaft assembly bottom is provided with lower adapter, and described lower adapter axially offers joint exit passageway, and the inwall of described joint exit passageway is provided with the joint left-hand thread screw thread arranged counterclockwise.
Before drilling well, the installation of drilling tool is carried out at scene, is connected with rotating disk by described valve body left-hand thread screw thread, to be threaded drill bit by described joint left-hand thread, and the screw thread on rotating disk and drill bit matches with described valve body left-hand thread screw thread and joint left-hand thread screw thread respectively.
The beneficial effects of the utility model are:
(1) prevent horizontal segment back-off frictional resistance greatly, not Tiao seriously, the appearance of the problem such as back-off is difficult, drilling tool does not leave, avoid causing new underground work accident;
(2) can be used for back-off under high angle hole, Horizontal Well, reduce accident treatment risk;
(3) can be used for high angle hole, horizontal well cover milling operation, be conducive to drill pipe release;
(4) can be used for high angle hole, horizontal well abrasive drilling operation, be conducive to removing horizontal segment plug, cement plug, bridging plug, sand plug, chemical scale, and the micro-jam distortion of horizontal segment sleeve pipe;
(4) can be used alone in high angle hole, horizontal well back-off, cover milling operation, also can adopt composite flooding technology; Both reduce the friction of tubing string to sleeve pipe, extended the application life of sleeve pipe and tubing string, turn improve the operating efficiency of back-off, abrasive drilling, cover milling.
The utility model is especially fine at long horizontal sections, well effect that hole curvature radius is large as downhole motor.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the upper part of the utility model embodiment;
Fig. 2 is the structural representation of the lower part of the utility model embodiment.
In figure: 1-by-pass valve assembly; 2-motor assembly; 3-universal drive shaft assembly; 4-driving-shaft assembly; 5-by-pass valve body; 6-valve body intake channel; Adapter under 7-; 8-joint exit passageway.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As depicted in figs. 1 and 2, left-hand thread helicoid hydraulic motor, comprise by-pass valve assembly 1, the bottom of described by-pass valve assembly 1 is connected with motor assembly 2, the bottom of described motor assembly 2 is connected with universal drive shaft assembly 3, and the bottom of described universal drive shaft assembly 3 is connected with driving-shaft assembly 4, and described by-pass valve assembly 1 is provided with by-pass valve body 5, the upper axial of described by-pass valve body 5 offers valve body intake channel 6, and the inwall of described valve body intake channel 6 is provided with the valve body left-hand thread screw thread arranged counterclockwise; Described driving-shaft assembly 4 bottom is provided with lower adapter 7, and described lower adapter 7 axially offers joint exit passageway 8, and the inwall of described joint exit passageway 8 is provided with the joint left-hand thread screw thread arranged counterclockwise.
Before drilling well, the installation of drilling tool is carried out at scene, is connected with rotating disk by described valve body left-hand thread screw thread, to be threaded drill bit by described joint left-hand thread, and the screw thread on rotating disk and drill bit matches with described valve body left-hand thread screw thread and joint left-hand thread screw thread respectively.
The beneficial effect of the present embodiment is:
(1) prevent horizontal segment back-off frictional resistance greatly, not Tiao seriously, the appearance of the problem such as back-off is difficult, drilling tool does not leave, avoid causing new underground work accident;
(2) can be used for back-off under high angle hole, Horizontal Well, reduce accident treatment risk;
(3) can be used for high angle hole, horizontal well cover milling operation, be conducive to drill pipe release;
(4) can be used for high angle hole, horizontal well abrasive drilling operation, be conducive to removing horizontal segment plug, cement plug, bridging plug, sand plug, chemical scale, and the micro-jam distortion of horizontal segment sleeve pipe;
(4) can be used alone in high angle hole, horizontal well back-off, cover milling operation, also can adopt composite flooding technology; Both reduce the friction of tubing string to sleeve pipe, extended the application life of sleeve pipe and tubing string, turn improve the operating efficiency of back-off, abrasive drilling, cover milling.
The present embodiment is especially fine at long horizontal sections, well effect that hole curvature radius is large as downhole motor.
Described by-pass valve assembly 1 is fixedly connected with by the screw thread arranged counterclockwise with described motor assembly 2; Described motor assembly 2 is fixedly connected with by the screw thread arranged counterclockwise with described universal drive shaft assembly 3; Described universal drive shaft assembly 3 is fixedly connected with by the screw thread arranged counterclockwise with described driving-shaft assembly 4; Arranging of said structure can be carried out before dispatching from the factory, anaerobic adhesive is coated with again after connecting between each parts, and tighten by regulation moment, use does not need again to link closely, can prevent further horizontal segment back-off frictional resistance greatly, not Tiao seriously, the appearance of the problem such as back-off is difficult, drilling tool does not leave, extend the application life of drilling tool.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. left-hand thread helicoid hydraulic motor, comprise by-pass valve assembly, the bottom of described by-pass valve assembly is connected with motor assembly, the bottom of described motor assembly is connected with universal drive shaft assembly, the bottom of described universal drive shaft assembly is connected with driving-shaft assembly, it is characterized in that: described by-pass valve assembly is provided with by-pass valve body, the upper axial of described by-pass valve body offers valve body intake channel, and the inwall of described valve body intake channel is provided with the valve body left-hand thread screw thread arranged counterclockwise; Described driving-shaft assembly bottom is provided with lower adapter, and described lower adapter axially offers joint exit passageway, and the inwall of described joint exit passageway is provided with the joint left-hand thread screw thread arranged counterclockwise.
2. left-hand thread helicoid hydraulic motor as claimed in claim 1, is characterized in that: described by-pass valve assembly is fixedly connected with by the screw thread arranged counterclockwise with described motor assembly.
3. left-hand thread helicoid hydraulic motor as claimed in claim 1, is characterized in that: described motor assembly is fixedly connected with by the screw thread arranged counterclockwise with described universal drive shaft assembly.
4. the left-hand thread helicoid hydraulic motor as described in claim 1,2 or 3, is characterized in that: described universal drive shaft assembly is fixedly connected with by the screw thread arranged counterclockwise with described driving-shaft assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575255.6U CN204152439U (en) | 2014-09-30 | 2014-09-30 | Left-hand thread helicoid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575255.6U CN204152439U (en) | 2014-09-30 | 2014-09-30 | Left-hand thread helicoid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152439U true CN204152439U (en) | 2015-02-11 |
Family
ID=52510564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575255.6U Active CN204152439U (en) | 2014-09-30 | 2014-09-30 | Left-hand thread helicoid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152439U (en) |
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2014
- 2014-09-30 CN CN201420575255.6U patent/CN204152439U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |