CN211777244U

CN211777244U - Low-cost plain type radial well inlet means

Info

Publication number: CN211777244U
Application number: CN202022018427.8U
Authority: CN
Inventors: 崔仕章; 崔其辉; 刘骁; 张润涛; 冯帆; 李宁
Original assignee: Shandong Deshi Petroleum Equipment Co ltd; Deshi Energy Technology Group Co Ltd
Current assignee: Shengli Oilfield Zhongyang Petroleum Engineering Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2020-10-27
Anticipated expiration: 2030-09-16

Abstract

The utility model provides a radial well inlet means of low-cost plain type, including the sucker rod, the first sleeve of upper portion bearing installation of sucker rod periphery, the upper portion of first sleeve inside wall is equipped with the internal thread, the top of sucker rod is equipped with the feed liquor pipe, the lower part of feed liquor pipe periphery is equipped with the external screw thread, first sleeve and feed liquor pipe threaded connection, the first ring of periphery fixed mounting of feed liquor pipe, be equipped with first sealing washer between the bottom surface of first ring and the top surface of first sleeve, T type groove cunning is seted up respectively to the both sides of first sleeve periphery, respectively movable mounting T type slider in the T type spout, the inboard one end of fixed connection spring respectively of T type slider bottom surface, the other end of spring respectively with the inboard fixed connection of corresponding T type spout bottom surface. The utility model discloses when using, the draw-in groove of second sleeve pipe top surface and the mutual joint of corresponding fixture block, when the sucker rod rotates, can guarantee that feed liquor pipe and first sleeve pipe can not the rotation each other to it is not hard up to have avoided the feed liquor pipe to appear, and the reliability is higher.

Description

Low-cost plain type radial well inlet means

Technical Field

The utility model belongs to radial well field, specifically speaking are radial well inlet means of low-cost plain type.

Background

The radial horizontal well is an emerging technology in recent years, a production flow channel with the length of 50-100 m can be drilled from an original well hole to a reservoir layer in the radial direction, the oil drainage area can be increased by times, the oil production efficiency is improved, and the radial horizontal well can be used for the reconstruction of an old well; in this technique implementation process, the high-pressure pump passes through the inlet means that high-pressure line is connected to the well head, end connection hollow sucker rod under the inlet means, the terminal realizes hydraulic jet and creeps into through injection rubber tube and shower nozzle, however current inlet means exists that the structure is complicated, and is bulky, shortcoming with high costs, mostly need pass through the bolt, the nut is connected, it is convenient inadequately to install, because the rotation that the sucker rod can not stop in the use, inlet means can produce great vibration, bolt on the inlet means takes place to become flexible in the use easily, influence inlet means's normal use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a radial well inlet means of low-cost plain type for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a low-cost simple radial well liquid inlet device comprises a sucker rod, wherein a first sleeve is arranged on an upper bearing at the periphery of the sucker rod, an internal thread is arranged at the upper part of the inner wall of the first sleeve, a liquid inlet pipe is arranged above the sucker rod, an external thread is arranged at the lower part of the periphery of the liquid inlet pipe, the first sleeve is in threaded connection with the liquid inlet pipe, a first circular ring is fixedly arranged at the periphery of the liquid inlet pipe, a first sealing ring is arranged between the bottom surface of the first circular ring and the top surface of the first sleeve, T-shaped chutes are respectively arranged at two sides of the periphery of the first sleeve, T-shaped sliding blocks are respectively and movably arranged in the T-shaped chutes, the inner sides of the bottom surfaces of the T-shaped sliding blocks are respectively and fixedly connected with the inner sides of the bottom surfaces of the corresponding T-shaped chutes, a second sleeve is sleeved at the periphery of the first sleeve, the outer sides of the T-shaped sliding blocks, the two sides of the top surface of the second sleeve are respectively provided with a clamping groove.

According to the low-cost simple radial well liquid inlet device, the lower portion of the inner wall of the first sleeve is fixedly connected with the periphery of the second circular ring, and the second sealing ring is fixedly installed on the top surface of the second circular ring.

As the low-cost simple radial well liquid inlet device, the lower parts of the two sides of the first sleeve are respectively and fixedly provided with the limiting blocks, the two sides of the bottom surface of the second sleeve are respectively hinged with the vertical rod, the bottom of the inner side of the vertical rod is respectively and fixedly provided with the wedge block, and the wedge surfaces of the wedge blocks face the corresponding limiting blocks respectively.

According to the low-cost simple radial well liquid inlet device, the upper parts of the inner sides of the vertical rods are respectively and fixedly provided with the L-shaped rods, and the top surfaces of the vertical rods of the L-shaped rods can be in contact fit with the bottom surface of the second sleeve.

According to the low-cost simple radial well liquid inlet device, the connecting plates are fixedly mounted on two sides of the bottom surface of the first sleeve respectively, and the lower parts of the inner sides of the two connecting plates are connected with the sucker rod through the bearing together.

The utility model has the advantages that: the utility model discloses when using, feed liquor pipe and first sleeve threaded connection, when installing, at first move the second sleeve downwards, make second sheathed tube top surface and first sheathed tube top surface parallel and level, then insert the feed liquor in the first sleeve and rotate the first sleeve, continue to rotate the first sleeve after the bottom surface of first ring contacts the cooperation with the top surface of first sealing washer, make the first sleeve drive the second sleeve and rotate until the draw-in groove is located the below of corresponding fixture block, first sleeve presss from both sides tight first sealing washer with first ring this moment together, then move the second sleeve upwards, make the fixture block be located corresponding draw-in groove, accomplish the installation; after the clamping block is positioned in the corresponding clamping groove, the liquid inlet pipe and the first sleeve cannot rotate relatively, so that the situation that the joint of the liquid inlet pipe and the first sleeve is loosened due to vibration when the device is used is avoided, the second sleeve can play a role in protecting the first sleeve, and the first sleeve can be prevented from colliding and being damaged in the using or transporting process; when the sucker rod is installed, the first sleeve, the second sleeve, the Carnot and the clamping groove are matched with each other, so that the sucker rod can be connected with the liquid inlet pipe without using bolts, nuts and other structures, and the sucker rod is simple in structure, convenient to install and convenient to use for a user; the utility model discloses when using, the draw-in groove of second sleeve pipe top surface and the mutual joint of corresponding fixture block, when the sucker rod rotates, can guarantee that feed liquor pipe and first sleeve pipe can not the rotation each other to it is not hard up to have avoided the feed liquor pipe to appear, and the reliability is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; fig. 3 is a partial enlarged view of ii of fig. 1.

Description of the drawings: 1. sucker rod, 2, first sleeve pipe, 3, feed liquor pipe, 4, first ring, 5, first sealing washer, 6, T type spout, 7, T type slider, 8, spring, 9, second sleeve pipe, 10, fixture block, 11, draw-in groove, 12, second ring, 13, second sealing washer, 14, stopper, 15, montant, 16, wedge, 17, L type pole, 18, connecting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A low-cost simple radial well liquid inlet device comprises a sucker rod 1, a first sleeve 2 is mounted on an upper bearing on the periphery of the sucker rod 1, a bearing at the joint of the sucker rod 1 and the first sleeve 2 is a sealing bearing, an internal thread is arranged on the upper portion of the inner wall of the first sleeve 2, a liquid inlet pipe 3 is arranged above the sucker rod 1, an external thread is arranged on the lower portion of the periphery of the liquid inlet pipe 3, the first sleeve 2 is in threaded connection with the liquid inlet pipe 3, a first ring 4 is fixedly mounted on the periphery of the liquid inlet pipe 3, the bottom surface of the first ring 4 is in contact fit with the top surface of the first sleeve 2, a first sealing ring 5 is arranged between the bottom surface of the first ring 4 and the top surface of the first sleeve 2, the top surface of the first sealing ring 5 can be in contact fit with the bottom surface of the first ring 4, the bottom surface of the first sealing ring 5 can be in contact fit with the top surface of the first sleeve 2, T, t-shaped sliding blocks 7 are movably mounted in the T-shaped sliding grooves 6 respectively, the T-shaped sliding blocks 7 are in sliding fit with the corresponding T-shaped sliding grooves 6 respectively, the inner sides of the bottom surfaces of the T-shaped sliding blocks 7 are fixedly connected with one ends of springs 8 respectively, the other ends of the springs 8 are fixedly connected with the inner sides of the bottom surfaces of the corresponding T-shaped sliding grooves 6 respectively, the springs 8 generate upward elastic force on the corresponding T-shaped sliding blocks 7 all the time, second sleeves 9 are sleeved on the outer peripheries of the first sleeves 2, the outer sides of the T-shaped sliding blocks 7 are fixedly connected with the inner walls of the second sleeves 9, the elastic force of the springs 8 is larger than the sum of the gravity of the second sleeves 9 and the gravity of the T-shaped sliding blocks 7, clamping blocks 10 are fixedly mounted on the two sides of the first circular ring 4 respectively, clamping grooves 11 are formed in the two sides. The utility model discloses when using, feed liquor pipe 3 and first sleeve 2 threaded connection, when installing, at first with second sleeve 9 downstream, make the top surface of second sleeve 9 and the top surface parallel and level of first sleeve 2, then insert feed liquor 3 in first sleeve 2 and rotate first sleeve 2, continue to rotate first sleeve 2 after the bottom surface of first ring 4 contacts with the top surface cooperation of first sealing washer 5, make first sleeve 2 drive second sleeve 9 and rotate until draw-in groove 11 is located the below of corresponding fixture block 10, first sleeve 2 presss from both sides tight first sealing washer 5 with first ring 4 together this moment, then move second sleeve 9 upwards, make fixture block 10 be located corresponding draw-in groove 11, accomplish the installation; after the clamping block 10 is positioned in the corresponding clamping groove 11, the liquid inlet pipe 3 and the first sleeve 2 cannot rotate relatively, so that the problem that the connection part of the liquid inlet pipe 3 and the first sleeve 2 is loosened due to vibration when the device is used is avoided, and the second sleeve 9 can protect the first sleeve 2, so that the first sleeve 2 can be prevented from colliding and being damaged in the using or transporting process; when the sucker rod is installed, the first sleeve 2, the second sleeve 9, the Carnot 10, the clamping groove 11 and other structures are matched with each other, so that the sucker rod 1 can be connected with the liquid inlet pipe 3 without using bolts, nuts and other structures, and the sucker rod is simple in structure, convenient to install and convenient to use by a user; the utility model discloses when using, the draw-in groove 11 and the mutual joint of corresponding fixture block 10 of 9 top surfaces of second sleeve, when sucker rod 1 rotates, can guarantee that feed liquor pipe 3 can not the mutual rotation with first sleeve 2 to avoided feed liquor pipe 3 to appear not hard up, the reliability is higher.

Specifically, as shown in fig. 2, the lower portion of the inner wall of the first casing 2 according to the embodiment is fixedly connected to the outer periphery of a second ring 12, the second ring 12 is located between the top surface of the pumping rod 8 and the bottom surface of the liquid inlet pipe 3, a second sealing ring 13 is fixedly installed on the top surface of the second ring 12, and the top surface of the second sealing ring 13 can be in contact fit with the bottom surface of the liquid inlet pipe 3. After the bottom surface of first ring 4 and the top surface contact cooperation of first sleeve 2, at this moment, the bottom surface of feed liquor pipe 3 and the top surface coextrusion second sealing washer 13 of second ring 12 to the bottom surface that makes feed liquor pipe 3 and the top surface in close contact with of second sealing washer 13 can increase the leakproofness between feed liquor pipe 3 and first sleeve 2, and the progress prevents weeping in the first sleeve 2, improves the utility model discloses a reliability.

Specifically, as shown in fig. 3, in this embodiment, the lower portions of the two sides of the first casing 2 are respectively and fixedly provided with the limiting blocks 14, the two sides of the bottom surface of the second casing 9 are respectively hinged to the vertical rods 15, the hinged portions of the vertical rods 15 and the second casing 9 are respectively provided with a torsion spring, the torsion springs can enable the corresponding vertical rods 15 to turn over towards the first casing 2, the bottom of the inner side of each vertical rod 15 is respectively and fixedly provided with the wedge blocks 16, and the wedge surfaces of the wedge blocks 16 face towards the corresponding limiting blocks 14. When a user installs the liquid inlet pipe 3, the user can firstly move the second sleeve 9 downwards, the second sleeve 9 drives the T-shaped sliding block 6 and the vertical rod 15 to move downwards, the spring 8 is compressed at the moment, when the wedge-shaped block 16 connected with the vertical rod 15 is contacted with the corresponding limiting block 14, under the push of the limiting block 14, the wedge-shaped block 16 drives the corresponding vertical rod 15 to turn outwards, when the wedge-shaped block 16 is separated from the limit block 14, the limit block 14 is positioned above the corresponding wedge-shaped block 16, under the action of the torsion force of the torsion spring, the vertical rod 15 drives the corresponding wedge-shaped block 16 to swing inwards, and after the second sleeve 9 is loosened, under the effect of the elastic force of the spring 8, the T-shaped sliding block 6 drives the second sleeve 9 to move upwards, and at the moment, the limiting block 14 is connected with the corresponding wedge-shaped block 16 in a clamped mode, so that the top surface of the second sleeve 9 is flush with the top surface of the first sleeve 2, and the second sleeve 9 is prevented from influencing the rotation of the first ring 4.

Further, as shown in fig. 3, in the embodiment, the upper portions of the inner sides of the vertical rods 15 are respectively and fixedly provided with the L-shaped rods 17, the outer sides of the cross rods of the L-shaped rods 17 are respectively and fixedly connected with the inner sides of the corresponding vertical rods 15, and the top surfaces of the vertical rods of the L-shaped rods 17 can be in contact fit with the bottom surface of the second sleeve 9. This structural design can make montant 15 keep vertical state when not receiving the effect of other power, prevents that montant 15 from rolling over an angle too big, receives the hindrance of stopper 14 when avoiding montant 15 to move down.

Furthermore, as shown in fig. 1, two connecting plates 18 are respectively and fixedly installed on two sides of the bottom surface of the first sleeve 2 according to the embodiment, and the lower portions of the inner sides of the two connecting plates 18 are commonly connected with the sucker rod 1 through bearings. Connecting plate 18 can play fixed connection's effect to sucker rod 1 and first sleeve 2, increases the intensity that sucker rod 1 and first sleeve 2 are connected, prevents that the sealed bearing atress of sucker rod 1 and first sleeve 2 junction from leading to damaging too greatly, improves the utility model discloses a reliability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a radial well inlet means of low-cost plain type, includes sucker rod (1), its characterized in that: a first sleeve (2) is mounted on an upper bearing at the periphery of the sucker rod (1), an internal thread is arranged on the upper part of the inner wall of the first sleeve (2), a liquid inlet pipe (3) is arranged above the sucker rod (1), an external thread is arranged on the lower part of the periphery of the liquid inlet pipe (3), the first sleeve (2) is in threaded connection with the liquid inlet pipe (3), a first ring (4) is fixedly mounted at the periphery of the liquid inlet pipe (3), a first sealing ring (5) is arranged between the bottom surface of the first ring (4) and the top surface of the first sleeve (2), T-shaped chutes (6) are respectively formed in two sides of the periphery of the first sleeve (2), T-shaped sliders (7) are respectively and movably mounted in the T-shaped chutes (6), one ends of springs (8) are respectively and fixedly connected to the inner sides of the bottom surfaces of the T-shaped sliders (7), the other ends of the springs (8) are respectively and fixedly connected to the inner sides of the bottom surfaces of the corresponding T-shaped, the outer side of the T-shaped sliding block (7) is fixedly connected with the inner wall of the second sleeve (9), clamping blocks (10) are fixedly mounted on two sides of the first circular ring (4) respectively, and clamping grooves (11) are formed in two sides of the top surface of the second sleeve (9) respectively.

2. A low cost radial well inlet means of the simplified type as set forth in claim 1, wherein: the lower part of the inner wall of the first sleeve (2) is fixedly connected with the periphery of a second circular ring (12), and a second sealing ring (13) is fixedly installed on the top surface of the second circular ring (12).

3. A low cost radial well inlet means of the simplified type as set forth in claim 1, wherein: the lower parts of two sides of the first sleeve (2) are respectively and fixedly provided with a limiting block (14), two sides of the bottom surface of the second sleeve (9) are respectively hinged with a vertical rod (15), the bottom of the inner side of the vertical rod (15) is respectively and fixedly provided with a wedge block (16), and the wedge surfaces of the wedge blocks (16) respectively face towards the corresponding limiting blocks (14).

4. A low cost radial well inlet means of the simplified type as set forth in claim 3, wherein: the upper portion of the inner side of the vertical rod (15) is fixedly provided with an L-shaped rod (17) respectively, and the top surface of the vertical rod of the L-shaped rod (17) can be in contact fit with the bottom surface of the second sleeve (9).

5. A low cost radial well inlet means of the simplified type as set forth in claim 1, wherein: and connecting plates (18) are respectively and fixedly installed on two sides of the bottom surface of the first sleeve (2), and the lower parts of the inner sides of the two connecting plates (18) are connected with the sucker rod (1) through a bearing.