Temporary plugging ball safe delivery device for oil field yield increase

Abstract

The utility model relates to the technical field of temporary plugging ball delivery, in particular to a temporary plugging ball safe delivery device for oil field yield increase, which comprises a base, a shell, a stone delivery pipe and a stone inlet pipe, and delivery mechanisms are mounted inside the shell and the stone delivery pipe and outside the stone inlet pipe. The delivery mechanism comprises a fixed seat, an air cylinder, a moving rod, a connecting piece, a motor, a pinion, a bull gear, an eccentric rod, a moving piece, a push rod, a spring, two fixed pieces, L-shaped baffles, a slot and a rotating shaft. The two L-shaped baffles which alternately operate control the temporary blocking balls in the stone inlet pipe to be discharged in order, the situation that blocking is easily caused when the temporary blocking balls in the stone inlet pipe fall is avoided, the motor drives the push rod to reciprocate, the push rod in the state of moving towards the outer side delivers the temporary blocking balls falling into the stone inlet pipe, and therefore the temporary blocking balls in the stone inlet pipe can be conveniently discharged. And the pitching efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of temporary plugging ball delivery, in particular to a temporary plugging ball safe delivery device for oil field production increase. Background Art

[0002] During the development of oil fields, due to the need for fracturing and acidizing, temporary plugging balls can temporarily reduce the permeability of the formation or temporarily block high permeability oil layer materials. After being mixed with water-soluble polymers and injected into the well, a thin and dense temporary plugging zone of the oil layer can be quickly formed under the action of pressure difference, which can be unblocked automatically or manually after a certain period of time.

[0003] The existing method of delivering temporary blocking balls is through manual throwing. When continuous throwing is required, personnel are required to throw the balls one by one, which is more laborious and the workload of the operators is large. In order to improve the throwing efficiency, a temporary blocking ball delivery device is used. However, before throwing the balls, this temporary blocking ball delivery device needs to place multiple temporary blocking balls together in a funnel, and then drop them into the stone inlet pipe and the stone throwing pipe individually. However, multiple temporary blocking balls are prone to cause blockage when falling, and cannot maintain an orderly fall. Utility Model Content

[0004] The utility model aims to provide a temporary plugging ball safe delivery device for oil field production increase, so as to solve the problem in the above background technology that a plurality of temporary plugging balls are prone to cause blockage when falling, and the delivery efficiency is affected by manual ball delivery.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a temporary plugging ball safety delivery device for oil field production increase, comprising a base, a shell, a stone throwing tube and a stone feeding tube, wherein a delivery mechanism is installed inside the shell and the stone throwing tube and outside the stone feeding tube;

[0006] The delivery mechanism includes a fixed seat, a cylinder, a moving rod, a connecting piece, a motor, a small gear, a large gear, an eccentric rod, a moving piece, a push rod, a spring and two fixed pieces, an L-shaped baffle, a slot and a rotating shaft; the fixed seat is fixedly connected to the outer wall of the stone inlet pipe, the cylinder is installed at the end of the fixed seat, the moving rod is slidably connected to the inside of the fixed seat and extends to the outside thereof, the fixed piece is fixedly connected to the outer wall of the moving rod, one end of the connecting piece is fixedly connected to the moving rod, the L-shaped baffle is fixedly connected to the top of the fixed piece, and the A slot is opened on the outer wall of the stone inlet tube and penetrates into the interior thereof, the motor is installed on the outer wall of the outer shell, the rotating shaft is rotatably connected to the inner wall of the outer shell, the small gear is assembled on the end of one of the rotating shafts, the large gear is assembled on the end of the other rotating shaft, the eccentric rod is fixedly connected to the end face of the large gear, the moving part is slidably connected to the outer wall of the eccentric rod, the push rod is fixedly connected to the end of the moving part, the spring is sleeved on one end of the outer wall of the push rod, and the two ends of the spring are respectively fixedly connected to the stone sling tube and the push rod.

[0007] Preferably, the other end of the connecting member is connected to the output end of the cylinder, and the output end of the cylinder in the operating state is used to drive the connecting member to move.

[0008] Preferably, the slot is used for inserting the bent portion of the L-shaped baffle into the interior thereof, and the height of the vertical portion of one L-shaped baffle is greater than the height of the vertical portion of the other L-shaped baffle.

[0009] Preferably, the end of the output shaft of the motor is fixedly connected to one of the rotating shafts, and the output shaft of the motor in a running state is used to drive one of the rotating shafts to rotate.

[0010] Preferably, the small gear is meshed with the large gear, and the meshed small gear and the large gear are used to drive the eccentric rod to rotate.

[0011] Preferably, the eccentric rod in the rotating state is used to drive the push rod to reciprocate through a moving member, and the push rod in the reciprocating state is used to squeeze or stretch the spring.

[0012] Preferably, the shell is fixedly connected to the top of the base, the slingshot is fixedly connected to the end of the shell, the stone inlet pipe is fixedly connected to the top of the outer wall of the slingshot pipe, and the input end of the stone inlet pipe is fixedly connected to a funnel.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting up a delivery mechanism, the cylinder drives the two L-shaped baffles to operate synchronously, so that the two L-shaped baffles that operate alternately control the temporary blocking balls inside the stone inlet pipe to discharge in an orderly manner, avoiding the situation where the temporary blocking balls inside the stone inlet pipe are easily blocked when falling, and the motor drives the push rod to move back and forth, so that the push rod in the outward moving state delivers the temporary blocking balls that fall into the stone inlet pipe, effectively improving the delivery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the delivery mechanism structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the shell, the stone throwing tube and the stone feeding tube of the utility model;

[0017] Figure 4 This is a structural schematic diagram of the delivery mechanism of the utility model from another perspective.

[0018] In the figure: 1. base; 2. shell; 3. stone throwing tube; 4. stone inlet tube; 5. funnel; 6. throwing mechanism; 601. fixed seat; 602. cylinder; 603. moving rod; 604. fixing part; 605. connecting part; 606. L-shaped baffle; 607. slot; 608. motor; 609. rotating shaft; 6010. small gear; 6011. large gear; 6012. eccentric rod; 6013. moving part; 6014. push rod; 6015. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution for a temporary plugging ball safety delivery device for oilfield production increase: a temporary plugging ball safety delivery device for oilfield production increase, comprising a base 1, a shell 2, a stone throwing tube 3 and a stone feeding tube 4, and a delivery mechanism 6 is installed inside the shell 2 and the stone throwing tube 3 and outside the stone feeding tube 4;

[0021] The delivery mechanism 6 includes a fixed seat 601, a cylinder 602, a moving rod 603, a connecting piece 605, a motor 608, a small gear 6010, a large gear 6011, an eccentric rod 6012, a moving piece 6013, a push rod 6014, a spring 6015, two fixed pieces 604, an L-shaped baffle 606, a slot 607 and a rotating shaft 609;

[0022] The fixing seat 601 is fixedly connected to the outer wall of the stone inlet pipe 4, the cylinder 602 is installed at the end of the fixing seat 601, the moving rod 603 is slidably connected to the inside of the fixing seat 601 and extends to the outside thereof, the fixing member 604 is fixedly connected to the outer wall of the moving rod 603, one end of the connecting member 605 is fixedly connected to the moving rod 603, the L-shaped baffle 606 is fixedly connected to the top of the fixing member 604, the slot 607 is opened on the outer wall of the stone inlet pipe 4 and penetrates into the inside thereof, the motor 608 is installed on the outer wall of the housing 2, and the rotating shaft 609 It is rotatably connected to the inner wall of the outer shell 2, the small gear 6010 is assembled on the end of one rotating shaft 609, the large gear 6011 is assembled on the end of the other rotating shaft 609, the eccentric rod 6012 is fixedly connected to the end face of the large gear 6011, the moving part 6013 is slidably connected to the outer wall of the eccentric rod 6012, the push rod 6014 is fixedly connected to the end of the moving part 6013, the spring 6015 is sleeved on one end of the outer wall of the push rod 6014, and the two ends of the spring 6015 are respectively fixedly connected to the slingshot 3 and the push rod 6014.

[0023] Please refer to Figure 2 The other end of the connecting member 605 is connected to the output end of the cylinder 602, and the output end of the cylinder 602 in the operating state is used to drive the connecting member 605 to move.

[0024] In this embodiment: by connecting the cylinder 602 to electricity for operation, the output shaft of the operating cylinder 602 drives the moving rod 603 to move away from the housing 2 through the connecting piece 605, and the moving rod 603 in the moving state drives an L-shaped baffle 606 to be inserted into a slot 607.

[0025] Please refer to Figure 3 The slot 607 is used for the bent portion of the L-shaped baffle 606 to be inserted therein, and the height of the vertical portion of one L-shaped baffle 606 is greater than the height of the vertical portion of the other L-shaped baffle 606 .

[0026] In this embodiment: the moving rod 603 in the moving state drives an L-shaped baffle 606 to be inserted into a slot 607, and at the same time, another L-shaped baffle 606 is pulled out from the other slot 607, so that the L-shaped baffle 606 in the inserted state blocks the falling of multiple temporary blocking balls, and then the temporary blocking balls inside the stone inlet pipe 4 are controlled by the two L-shaped baffles 606 running alternately with each other to discharge in an orderly manner.

[0027] Please refer to Figure 3 The output shaft end of the motor 608 is fixedly connected to the rotating shaft 609, and the output shaft of the motor 608 in the running state is used to drive the rotating shaft 609 to rotate.

[0028] In this embodiment: by connecting the motor 608 to electricity and running it, the output shaft of the motor 608 in the running state drives a rotating shaft 609 to rotate, and the rotating shaft 609 in the rotating state drives the pinion 6010 to rotate.

[0029] Please refer to Figure 3 The small gear 6010 is meshed with the large gear 6011, and the meshed small gear 6010 and the large gear 6011 are used to drive the eccentric rod 6012 to rotate.

[0030] In this embodiment, since the small gear 6010 is meshed with the large gear 6011, the meshed small gear 6010 and the large gear 6011 drive the other rotating shaft 609 and the eccentric rod 6012 to rotate.

[0031] Please refer to Figure 4 The eccentric rod 6012 in a rotating state is used to drive the push rod 6014 to reciprocate through the moving member 6013, and the push rod 6014 in a reciprocating state is used to squeeze or stretch the spring 6015.

[0032] In this embodiment, the spring 6015 is stretched by the push rod 6014 in the outward moving state, and the spring 6015 is squeezed by the push rod 6014 in the inward moving state.

[0033] Please refer to Figure 4 The outer shell 2 is fixedly connected to the top of the base 1, the slingshot tube 3 is fixedly connected to the end of the outer shell 2, the stone inlet pipe 4 is fixedly connected to the top of the outer wall of the slingshot tube 3, and the input end of the stone inlet pipe 4 is fixedly connected to a funnel 5.

[0034] In this embodiment, when temporary blocking balls need to be delivered, a plurality of temporary blocking balls are placed in the funnel 5 , and the plurality of temporary blocking balls enter the stone inlet pipe 4 through the funnel 5 , and then enter the stone throwing pipe 3 .

[0035] Working principle: When it is necessary to deliver the temporary blocking balls, multiple temporary blocking balls are placed in the funnel 5. At this time, the cylinder 602 is powered on and operated. The output shaft of the cylinder 602 in the operating state drives the moving rod 603 to move away from the housing 2 through the connecting piece 605. The moving rod 603 in the moving state drives an L-shaped baffle 606 to be inserted into a slot 607. At the same time, another L-shaped baffle 606 is pulled out from another slot 607, so that the L-shaped baffle 606 in the inserted state blocks the falling of multiple temporary blocking balls. At this time, the cylinder 602 in the operating state is turned on again. The output shaft drives the moving rod 603 to move toward the direction close to the housing 2 through the connecting piece 605, and the moving rod 603 in the moving state drives an L-shaped baffle 606 to be drawn out from the inside of a slot 607, and at the same time another L-shaped baffle 606 is inserted into the inside of another slot 607, and then the other L-shaped baffle 606 in the inserted state blocks the redundant temporary blocking balls, and a temporary blocking ball originally located on an L-shaped baffle 606 naturally falls into the inside of the stone throwing tube 3, so that the two L-shaped baffles 606 running alternately control the temporary blocking balls in the stone feeding tube 4 to discharge materials in an orderly manner;

[0036] At this time, the motor 608 is powered on and operated. The output shaft of the motor 608 in the operating state drives a rotating shaft 609 to rotate, and a rotating shaft 609 in the rotating state drives the small gear 6010 to rotate. Since the small gear 6010 is meshed with the large gear 6011, the meshing small gear 6010 and the large gear 6011 drive the other rotating shaft 609 and the eccentric rod 6012 to rotate, so that the rotating eccentric rod 6012 drives the moving part 6013 to move, and the moving part 6013 in the moving state drives the push rod 6014 to reciprocate, and the push rod 6014 in the outward moving state stretches the spring 6015, so that the push rod 6014 in the outward moving state delivers the temporary blocking ball that falls into the stone inlet pipe 4.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temporary plugging ball safety delivery device for oil field production increase, comprising a base (1), a housing (2), a stone throwing tube (3) and a stone feeding tube (4), characterized in that: A delivery mechanism (6) is installed inside the shell (2), the stone throwing tube (3) and the outside of the stone feeding tube (4); The delivery mechanism (6) comprises a fixed seat (601), a cylinder (602), a moving rod (603), a connecting piece (605), a motor (608), a small gear (6010), a large gear (6011), an eccentric rod (6012), a moving piece (6013), a push rod (6014), a spring (6015), two fixed pieces (604), an L-shaped baffle (606), a slot (607) and a rotating shaft (609); The fixing seat (601) is fixedly connected to the outer wall of the stone inlet pipe (4), the cylinder (602) is installed at the end of the fixing seat (601), the moving rod (603) is slidably connected to the inside of the fixing seat (601) and extends to the outside thereof, the fixing member (604) is fixedly connected to the outer wall of the moving rod (603), one end of the connecting member (605) is fixedly connected to the moving rod (603), the L-shaped baffle (606) is fixedly connected to the top of the fixing member (604), the slot (607) is opened on the outer wall of the stone inlet pipe (4) and penetrates into the inside thereof, the motor (608) is installed on the outer wall of the housing (2), and the rotating shaft (606) is fixedly connected to the outer wall of the housing (2). 09) is rotatably connected to the inner wall of the housing (2), the small gear (6010) is mounted on the end of one of the rotating shafts (609), the large gear (6011) is mounted on the end of the other rotating shaft (609), the eccentric rod (6012) is fixedly connected to the end face of the large gear (6011), the moving member (6013) is slidably connected to the outer wall of the eccentric rod (6012), the push rod (6014) is fixedly connected to the end of the moving member (6013), the spring (6015) is sleeved on one end of the outer wall of the push rod (6014), and the two ends of the spring (6015) are fixedly connected to the slingshot (3) and the push rod (6014), respectively.

2. The temporary plugging ball safety delivery device for oil field production increase according to claim 1 is characterized by: The other end of the connecting member (605) is connected to the output end of the cylinder (602), and the output end of the cylinder (602) in the operating state is used to drive the connecting member (605) to move.

3. The temporary plugging ball safety delivery device for oil field production increase according to claim 1 is characterized by: The slot (607) is used for inserting the bent portion of the L-shaped baffle (606) therein, and the height of the vertical portion of one L-shaped baffle (606) is greater than the height of the vertical portion of the other L-shaped baffle (606).

4. The temporary plugging ball safety delivery device for oil field production increase according to claim 1 is characterized by: The end of the output shaft of the motor (608) is fixedly connected to one of the rotating shafts (609), and the output shaft of the motor (608) in a running state is used to drive one of the rotating shafts (609) to rotate.

5. The temporary plugging ball safety delivery device for oil field production increase according to claim 1 is characterized by: The small gear (6010) is meshed with the large gear (6011), and the meshed small gear (6010) and the large gear (6011) are used to drive the eccentric rod (6012) to rotate.

6. The temporary plugging ball safety delivery device for oil field production increase according to claim 1 is characterized by: The eccentric rod (6012) in a rotating state is used to drive the push rod (6014) to move back and forth through the moving member (6013), and the push rod (6014) in a reciprocating state is used to squeeze or stretch the spring (6015).

7. The temporary plugging ball safety delivery device for oil field production increase according to claim 1 is characterized by: The outer shell (2) is fixedly connected to the top of the base (1), the slingshot (3) is fixedly connected to the end of the outer shell (2), the stone inlet pipe (4) is fixedly connected to the top of the outer wall of the slingshot (3), and the input end of the stone inlet pipe (4) is fixedly connected to a funnel (5).

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