Drilling speed increasing device and drilling apparatus

Abstract

The application relates to a drilling speed increasing device and a drilling equipment, and relates to the technical field of drilling speed increasing equipment. The drilling speed increasing device comprises a shell, a first sliding chamber, a second sliding chamber, a fixed block, a mandrel and an impact piece 300. The first sliding chamber extends along the length direction of the shell and has an opening at one end. The second sliding chamber is arranged on the inner side wall of the first sliding chamber. The fixed block is arranged in the second sliding chamber and moves along the length direction of the shell. The mandrel is arranged in the shell and rotates along the axial direction of the mandrel relative to the shell. The mandrel comprises a through hole arranged along the axial direction, and the axial direction of the mandrel is parallel to the length direction of the shell. The impact piece 300 is arranged in the first sliding chamber and is movably connected with the shell along the length direction of the shell. The impact piece 300 is connected with the fixed block. The impact piece 300 comprises a first position and a second position. In the first position, the through hole is in communication with the first sliding chamber. In the second position, the through hole is in communication with one end of the second sliding chamber close to the opening.

Description

Technical Field

[0001] This invention relates to the field of drilling speed-up equipment technology, and particularly to a drilling speed-up device and drilling equipment. Background Technology

[0002] Drilling is a high-investment, high-risk project in oil and gas reservoir development, accounting for more than 50% of exploration and development costs. Rock breaking technology is the core of oil and gas drilling technology; the efficiency of rock breaking directly determines drilling speed and cost, and more importantly, the economic benefits of the drilling project.

[0003] With the continuous deepening of oil and gas exploration and development in my country, the number of deep and ultra-deep wells being drilled is constantly increasing. As well depth increases, the problems of low drilling speed, high cost, and long cycle become very prominent. In particular, the slow mechanical drilling speed in deep formations leads to long drilling cycles, which seriously affects the exploration and development speed of the entire oil and gas field. Summary of the Invention

[0004] This invention provides a drilling speed-up device and drilling equipment, which can effectively accelerate the drilling operation.

[0005] In a first aspect, embodiments of this application provide a drilling speed-up device, comprising: a housing, including a first sliding chamber extending along the length direction of the housing and having an opening at one end; a second sliding chamber disposed on the inner wall of the first sliding chamber; a fixed block disposed within the second sliding chamber and movable along the length direction of the housing; a mandrel disposed within the housing and rotating relative to the housing along its own axial direction; the mandrel including a through hole disposed along the axial direction; the axial direction of the mandrel being parallel to the length direction of the housing; and an impact member disposed within the first sliding chamber, movably connected to the housing along the length direction of the housing, and connected to the fixed block; the impact member includes a first position and a second position: in the first position, the through hole communicates with the first sliding chamber; in the second position, the through hole communicates with the end of the second sliding chamber near the opening.

[0006] According to the aforementioned embodiments of the first aspect of this application, the housing includes a first pressurization channel and a first control valve, the first control valve being disposed within the first pressurization channel and a through hole communicating with the first pressurization channel; the impact member includes a first connecting channel, the first pressurization channel being connected to the first sliding chamber through the first connecting channel.

[0007] According to any of the foregoing embodiments of the first aspect of this application, the first pressurization channel includes a first liquid storage chamber and a first liquid flow channel that are interconnected. The first liquid storage chamber is an annular chamber arranged around the outer peripheral wall of the spindle. A through hole is connected to the first liquid storage chamber. A first control valve is arranged in the first liquid flow channel. In the first position, the first liquid storage chamber is connected to the first sliding chamber through the first liquid flow channel.

[0008] According to any of the foregoing embodiments of the first aspect of this application, a first drain channel is provided on the side wall of the housing, and in a first position, the first sliding chamber is connected to the first drain channel.

[0009] According to any of the foregoing embodiments of the first aspect of this application, the housing further includes a second pressurization channel and a second control valve. The second control valve is disposed in the second pressurization channel. One end of the second pressurization channel is connected to a through hole, and the other end of the second pressurization channel is connected to the end of the second sliding chamber near the opening.

[0010] According to any of the foregoing embodiments of the first aspect of this application, the second pressurization channel includes a second liquid storage chamber and a second liquid flow channel that are interconnected. The second liquid storage chamber is an annular chamber arranged around the outer peripheral wall of the spindle. The second control valve is disposed in the second liquid flow channel. The second liquid storage chamber is connected to the second sliding chamber through the second liquid flow channel.

[0011] According to any of the foregoing embodiments of the first aspect of this application, a second connecting channel and a third control valve are provided on the fixing block, and the third control valve is disposed in the second connecting channel.

[0012] According to any of the foregoing embodiments of the first aspect of this application, the housing further includes a second drain channel and a one-way valve. The one-way valve is disposed in the second drain channel. One end of the second drain channel along its own extension direction is connected to a through hole, and the other end of the second drain channel along its own extension direction is connected to a second sliding chamber.

[0013] According to any of the foregoing embodiments of the first aspect of this application, the first sliding chamber is an annular sliding chamber coaxially disposed with the mandrel, and the impact member is an annular sleeve.

[0014] Secondly, embodiments of this application also provide a drilling apparatus, including a drilling speed-up device according to any of the foregoing embodiments of the first aspect of this application.

[0015] According to the drilling speed-up device of this application embodiment, when the first through hole of the mandrel and the first sliding chamber are connected, the drilling fluid in the mandrel can enter the first sliding chamber, causing the impact member in the first sliding chamber to move to a first position along the length direction of the housing (i.e., the axial direction of the mandrel) to strike the rock formation being drilled. Then, the through hole of the mandrel is connected to the second sliding chamber, and the drilling fluid in the mandrel enters the second interactive chamber from the end of the second sliding chamber near the opening of the first sliding chamber. The drilling fluid pushes the fixed block in the second chamber to move along the length direction of the housing. Since the fixed block is connected to the impact member, the fixed block drives the impact member to move from the first position to the second position. The impact member switches back and forth between the first position and the second position in the sliding chamber along the length direction of the housing, so that the impact member can strike the rock formation being drilled to generate additional impact force or vibration effect, which helps to break rocks, especially in deep formations, thereby increasing drilling speed, shortening the drilling cycle, and reducing drilling costs. Attached Figure Description

[0016] The invention will now be described in more detail with reference to embodiments and the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the impact component in the first position of a drilling speed-up device according to an embodiment of this application;

[0018] Figure 2 yes Figure 1 An enlarged structural diagram at point A in the middle;

[0019] Figure 3 This is a schematic diagram of the impact component in the drilling speed-up device of the previous embodiment of this application when it is in the first ear position.

[0020] Figure 4 yes Figure 3 An enlarged structural diagram of point B in the middle.

[0021] Figure label:

[0022] 100 - Drilling speed-up device;

[0023] 100 - Housing; 110 - First sliding chamber; 111 - Opening; 112 - Second sliding chamber; 113 - Fixing block; 1131 - Second connecting channel; 1132 - Third control valve; 120 - First pressurization channel; 121 - First liquid storage chamber; 122 - First liquid flow channel; 130 - First control valve; 140 - First drain channel; 150 - Second pressurization channel; 151 - Second liquid storage chamber; 152 - Second liquid flow channel; 160 - Second control valve; 170 - Second drain channel; 180 - One-way valve;

[0024] 200 - Mandrel; 210 - Through hole;

[0025] 300 - Impact component; 310 - First connecting channel. Detailed Implementation

[0026] The invention will now be further described with reference to the accompanying drawings.

[0027] This invention provides a drilling speed-up device and drilling equipment, which can effectively accelerate the drilling operation.

[0028] Figure 1 This is a schematic diagram of the impact component in the first position of a drilling speed-up device according to an embodiment of this application; Figure 2 yes Figure 1 An enlarged structural diagram of point A in the middle. (See diagram below.) Figure 1-2 As shown, this application embodiment provides a drilling speed-up device 1000. The drilling speed-up device 1000 includes a housing 100, a mandrel 200, and an impact member 300. The housing 100 includes a first sliding chamber 110. The first sliding chamber 110 extends along the length direction of the housing 100 and has an opening 111 at one end. A second sliding chamber 112 is provided on the inner sidewall of the first sliding chamber 110. A fixing block 113 that moves along the length direction of the housing 100 is provided in the second sliding chamber 112. The mandrel 200 is disposed within the housing 100 and rotates relative to the housing 100 along its own axial direction. The mandrel 200 includes a through hole 210 arranged axially. The axial direction of the mandrel 200 is parallel to the length direction of the housing 100. The impact member 300 is disposed within the first sliding chamber 110. The impact member 300 is movably connected to the housing 100 along the length direction of the housing 100. The impact member 300 is connected to the fixing block 113; the impact member 300 includes a first position and a second position: in the first position, the through hole 210 is connected to the first sliding chamber 110; in the second position, the through hole 210 is connected to the end of the second sliding chamber 112 near the opening 111.

[0029] It should be noted that the second sliding chamber 112 is located at the end of the housing 100 near the first sliding chamber 110. When the impact member 300 is in the first position, the through hole 210 is connected to the first sliding chamber 110, and the drilling fluid in the through hole 210 enters the end of the first sliding chamber 110 away from the opening 111. The fluid entering the first sliding chamber 110 exerts a force on the impact member 300 in the direction of the opening 111. When the impact member 300 switches from the first position to the second position, the through hole 210 is no longer connected to the first sliding chamber 110, and the through hole 210 is connected to the end of the second sliding chamber 112 near the opening 111, so that the drilling fluid in the through hole 210 enters the second sliding chamber 112 from the end of the second sliding chamber 112 near the opening 111. After the fixing block 113 in the second sliding chamber 112 is subjected to the pressure of the drilling fluid, the fixing block 113 drives the impact member 300 to move away from the opening 111 of the first sliding chamber 110, so as to realize the switching of the position of the impact member 300. According to the drilling speed-up device 1000 of this application embodiment, when the first through hole 210 of the mandrel 200 and the first sliding chamber 110 are connected, the drilling fluid in the mandrel 200 can enter the first sliding chamber 110, causing the impact member 300 of the first sliding chamber 110 to move to a first position along the length direction of the housing 100 (i.e., the axial direction of the mandrel 200) to strike the rock formation being drilled. Then, the through hole 210 of the mandrel 200 is connected to the second sliding chamber 112, and the drilling fluid in the mandrel 200 enters the second sliding chamber 112 from the end near the opening 111 of the first sliding chamber 110. In the second interactive chamber, the drilling fluid pushes the fixed block 113 within the second chamber to move along the length of the housing 100. Since the fixed block 113 is connected to the impact member 300, the fixed block 113 drives the impact member 300 to move from the first position to the second position. The impact member 300 switches back and forth between the first and second positions within the sliding chamber along the length of the housing 100, enabling the impact member 300 to strike the drilled rock formation to generate additional impact force or vibration effect, which helps to break the rock, especially in deep formations, thereby increasing drilling speed, shortening the drilling cycle, and reducing drilling costs.

[0030] In some optional embodiments, the mandrel 200 includes a first end and a second end arranged axially opposite each other. The first end is close to the opening 111 of the first sliding chamber 110, and the second end is away from the opening 111 of the first sliding chamber 110. The drilling speed-up device 1000 also includes a drill bit, a connector, and a plurality of centering balls. The drill bit is coaxial with the first end, the connector is coaxially connected with the second end, and the plurality of centering balls are disposed within the housing 100. The plurality of centering balls are spaced apart circumferentially between the mandrel 200 and the housing 100 and are in rolling contact with the outer side wall of the mandrel 200.

[0031] like Figure 1-2 As shown, in some embodiments, the housing 100 includes a first pressurization channel 120 and a first control valve 130. The first control valve 130 is disposed within the first pressurization channel 120. A through hole 210 communicates with the first pressurization channel 120. The impact member 300 includes a first connecting channel 310. The first pressurization channel 120 communicates with the first sliding chamber 110 through the first connecting channel 310.

[0032] In this embodiment, when the first control valve 130 is opened, the drilling fluid in the through hole 210 enters the first sliding chamber 110 away from the opening 111 through the first pressurization channel 120 and the first connecting channel of the impact member 300. The drilling fluid entering the first sliding chamber 110 exerts a force on the impact member 300, pushing it to the first position, thereby enabling the impact member 300 to impact the rock formation. When it is necessary to switch the position of the impact member 300, the first control valve 130 is closed, preventing the drilling fluid in the through hole 210 from entering the first sliding chamber 110 through the first pressurization channel 120.

[0033] like Figure 1-2 As shown, in some embodiments, the first pressurization channel 120 includes a first liquid storage chamber 121 and a first liquid flow channel 122 that are interconnected. The first liquid storage chamber 121 is an annular chamber surrounding the outer peripheral wall of the mandrel 200. A through hole 210 communicates with the first liquid storage chamber 121, and a first control valve 130 is disposed in the first liquid flow channel 122. In a first position, the first liquid storage chamber 121 is connected to the first sliding chamber 110 through the first liquid flow channel 122.

[0034] In this embodiment, since the mandrel 200 is rotating at high speed during use of the drilling speed-up equipment, the first fluid storage chamber 121 is configured as an annular chamber surrounding the outer peripheral wall of the mandrel 200. This ensures that the through hole 210 of the mandrel 200 remains in communication with the first fluid storage chamber 121. Specifically, the mandrel 200 can be provided with a radial liquid channel communicating with the through hole 210. This radial liquid channel can remain connected to the first fluid storage chamber 121 while the mandrel 200 rotates axially relative to the housing 100, so that the transmission of drilling fluid is not affected by the rotation of the mandrel 200. The communication between the first pressurization channel 120 and the first sliding chamber 110 is achieved by controlling the opening and closing of the first control valve 130 in the first liquid flow channel 122.

[0035] like Figure 2 As shown, in some embodiments, a first drain channel 140 is provided on the side wall of the housing 100, and in a first position, the first sliding chamber 110 is connected to the first drain channel 140.

[0036] In this embodiment, when the impact member 300 moves to the first position, the first sliding chamber 110 is connected to the first drainage channel 140. The drilling fluid that enters the first sliding chamber 110 through the through hole 210 and the first pressurization channel 120 is discharged through the first drainage channel 140.

[0037] like Figure 3-4 As shown, in some embodiments, the housing 100 further includes a second pressurization channel 150 and a second control valve 160. The second control valve 160 is disposed within the second pressurization channel 150. One end of the second pressurization channel 150 is connected to the through hole 210. The other end of the second pressurization channel 150 communicates with the end of the second sliding chamber 112 near the opening 111.

[0038] In this embodiment, the second control valve 160 is opened, allowing the through hole 210 to connect with the end of the second sliding chamber 112 near the opening 111 via the second pressurization channel 150. Drilling fluid in the through hole 210 enters the second pressurization chamber through the second pressurization channel 150. The pressurized fluid entering the second pressurization chamber exerts a force on the fixed block 113 away from the opening 111, causing the fixed block 113 to move the impact member 300 from the first position to the second position. When the impact member 300 needs to move from the second position to the first position, the second control valve 160 is closed, and the first control valve 130 in the first pressurization channel 120 is opened. Drilling fluid in the through hole 210 enters the end of the first sliding chamber 110 away from the opening 111 via the first pressurization channel 120 and the first connecting channel of the impact member 300. The drilling fluid entering the first sliding chamber 110 exerts a force on the impact member 300, pushing it to the first position. By controlling the opening and closing states of the first control valve 130 and the second control valve 160, the impact member 300 can be switched between the first position and the second position, allowing the impact member 300 to repeatedly impact the rock strata.

[0039] like Figure 4 As shown, in some embodiments, the second pressurization channel 150 includes a second liquid storage chamber 151 and a second liquid flow channel 152 that are interconnected. The second liquid storage chamber 151 is an annular chamber arranged around the outer peripheral wall of the mandrel 200. A second control valve 160 is disposed in the second liquid flow channel 152. The second liquid storage chamber 151 is connected to the second sliding chamber 112 through the second liquid flow channel 152.

[0040] It should be noted that the inner wall of the second liquid storage chamber 151 and the outer wall of the mandrel 200 form a closed annular chamber. This annular chamber is connected to the through hole 210 of the mandrel 200. This structural design of the second liquid storage chamber 151 allows the through hole 210 to remain connected to the first liquid storage chamber 121 while the mandrel 200 is rotating, so that the drilling fluid in the through hole 210 can enter the second liquid storage chamber 151. By controlling the second control valve 160 in the second liquid flow channel 152 connected to the second liquid storage chamber 151, the through hole 210 is connected to the second sliding chamber 112 through the second pressurization channel 150.

[0041] like Figure 4 As shown, in some embodiments, the fixing block 113 is provided with a second communication channel 1131 and a third control valve 1132. The third control valve 1132 is disposed within the second communication channel 1131.

[0042] In this embodiment, when the impact member 300 moves from the second position to the first position, the fixing block 113 moves along the length of the housing 100 in the second sliding chamber 112. Since the second control valve 160 is closed at this time, the drilling fluid in the second sliding chamber 112 will exert a force on the fixing block 113, hindering the sliding of the fixing block 113. At this time, the third control valve 1132 is opened, so that the drilling fluid in the second sliding chamber 112 is discharged through the second connecting channel 1131.

[0043] like Figure 4 As shown, in some embodiments, the housing 100 further includes a second drainage channel 170 and a one-way valve 180. The one-way valve 180 is disposed within the second drainage channel 170. One end of the second drainage channel 170 along its own extending direction communicates with the through hole 210. The other end of the second drainage channel 170 along its own extending direction communicates with the second sliding chamber 112.

[0044] In this embodiment, when the impact member 300 moves from the first position to the second position, the second drainage channel 170 connects with the second sliding chamber 112. The drilling fluid that enters the second sliding chamber 112 through the second pressurization channel 150 re-enters the through hole 210 through the second drainage channel 170. It should be noted that when the impact member 300 moves from the first position to the second position, the third valve on the fixing block 113 is closed to avoid interfering with the normal operation of the second drainage channel 170. The one-way valve 180 ensures that the drilling fluid cannot flow from the through hole 210 through the second drainage channel 170 to the second sliding chamber 112, but can only flow back from the second sliding chamber 112 to the through hole 210, reducing the risk of failure due to chaotic drilling fluid flow.

[0045] like Figure 1 and Figure 3As shown, in some embodiments, the first sliding chamber 110 is an annular sliding chamber coaxially arranged with the mandrel 200, and the impact member 300 is an annular sleeve, so that the impact member 300 impacts around the mandrel 200, and works together with the drill bit connected to the mandrel 200 to act on the rock formation, thereby improving drilling efficiency.

[0046] This application also provides a drilling device, which includes the drilling speed-up device 1000 of the above embodiments, and therefore also includes all the beneficial effects of the drilling speed-up device 1000, which will not be described in detail here.

[0047] Although the invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A drilling speed-up device, characterized in that, include: The housing includes a first sliding chamber that extends along the length of the housing and has an opening at one end. A second sliding chamber is provided on the inner wall of the first sliding chamber, and a fixed block that moves along the length of the housing is provided in the second sliding chamber. A mandrel, disposed within the housing, and rotatable relative to the housing along its own axial direction, the mandrel including a through hole arranged axially, the axial direction of the mandrel being parallel to the length direction of the housing; and An impact member is disposed in the first sliding cavity. The impact member is movably connected to the housing along the length direction of the housing and is connected to the fixed block. The impact member includes a first position and a second position: in the first position, the through hole is connected to the first sliding cavity; in the second position, the through hole is connected to the end of the second sliding cavity near the opening.

2. The drilling speed-up device according to claim 1, characterized in that, The housing includes a first pressurization channel and a first control valve, the first control valve being disposed within the first pressurization channel, and the through hole being connected to the first pressurization channel; The impact member includes a first connecting channel, and the first pressurization channel is connected to the first sliding chamber through the first connecting channel.

3. The drilling speed-up device according to claim 2, characterized in that, The first pressurization channel includes a first liquid storage chamber and a first liquid flow channel that are interconnected. The first liquid storage chamber is an annular chamber arranged around the outer peripheral wall of the mandrel. The through hole is connected to the first liquid storage chamber. The first control valve is arranged in the first liquid flow channel. The first position is such that the first liquid storage chamber is connected to the first sliding chamber through the first liquid flow channel.

4. The drilling speed-up device according to claim 2, characterized in that, A first drainage channel is provided on the side wall of the housing, and at the first position, the first sliding chamber is connected to the first drainage channel.

5. The drilling speed-up device according to any one of claims 1-4, characterized in that, The housing also includes a second pressurization channel and a second control valve. The second control valve is disposed in the second pressurization channel. One end of the second pressurization channel is connected to the through hole, and the other end of the second pressurization channel is connected to the end of the second sliding chamber near the opening.

6. The drilling speed-up device according to claim 5, characterized in that, The second pressurization channel includes a second liquid storage chamber and a second liquid flow channel that are interconnected. The second liquid storage chamber is an annular chamber arranged around the outer peripheral wall of the mandrel. The second control valve is disposed in the second liquid flow channel. The second liquid storage chamber is connected to the second sliding chamber through the second liquid flow channel.

7. The drilling speed-up device according to claim 5, characterized in that, The fixed block is provided with a second connecting channel and a third control valve, and the third control valve is located in the second connecting channel.

8. The drilling speed-up device according to claim 7, characterized in that, The housing also includes a second drainage channel and a one-way valve. The one-way valve is disposed in the second drainage channel. One end of the second drainage channel along its own extension direction is connected to the through hole, and the other end of the second drainage channel along its own extension direction is connected to the second sliding chamber.

9. The drilling speed-up device according to claim 1, characterized in that, The first sliding chamber is an annular sliding chamber coaxially arranged with the mandrel, and the impact member is an annular sleeve.

10. A drilling equipment, characterized in that, Includes the drilling speed-up device as described in any one of claims 1-9.

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