Casing pipe protection device for oilfield development

Abstract

The utility model relates to the technical field of oil field development, and provides a casing protection device for oil field development, which comprises a steering ball sleeve, a steering hemisphere is rotatably connected in the steering ball sleeve, one side of the steering ball sleeve is fixedly connected with a fixed cylinder I, the other side of the steering hemisphere is fixedly connected with a fixed cylinder II, and the fixed cylinder II is fixedly connected with the steering hemisphere. The steering ball sleeve and the first fixing barrel are hollow on the two sides and the interior, the steering hemisphere and the second fixing barrel are hollow on the two sides and the interior, steering of the whole pipeline can be achieved through the arranged steering ball sleeve and the arranged steering hemisphere, and therefore protection of the steering position of the oil pipe can be achieved; the steering ball sleeve and the steering hemisphere are positioned through the second screw rod and the second insertion hole, and the steering ball sleeve and the steering hemisphere can be fixed after steering.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum casing, specifically relates to a casing protection device for oil field development. BACKGROUND

[0002] The petroleum casing is a steel pipe for supporting the well wall of oil and gas well to ensure the normal operation of the whole oil well after drilling and completion.

[0003] According to the search, the existing patent (CN222066687U) discloses a casing protection device for oilfield development, which comprises a main casing, a limiting plate is installed on the upper side of the outer side wall of the main casing, an installation seat is installed on the position close to the upper side of the outer side wall of the main casing, an installation plate is arranged on the upper end of the installation seat, side plates are installed on both sides of the upper end of the installation plate, a spiral rod is arranged on the inner side wall of the side plate, a first fixing plate is installed on the left side close to the center of the outer side wall of the spiral rod, a second fixing plate is installed on the right side close to the center of the outer side wall of the spiral rod, and a first transmission gear is installed on the right side wall of the spiral rod. Preferably, the position where the spiral rod contacts the side plate is provided with a rotating groove, and the spiral rod is rotationally connected with the rotating groove. Preferably, the outer side wall of the first transmission gear is meshingly connected with a second transmission gear, and the center position of the inner side wall of the second transmission gear is fixedly connected with a motor. Preferably, the inner side wall of the installation plate is fixedly connected with a sliding plate, and the two sides close to the center position of the sliding plate are slidingly connected with sliding blocks. Preferably, the lower end of the main casing is provided with a connecting cylinder, the inner side wall of the connecting cylinder is provided with an extension sleeve, a clamping block is installed on the position close to the upper side of the outer side wall of the extension sleeve, a supporting disc is installed on the position close to the upper side of the outer side wall of the extension sleeve, a plurality of threaded columns are arranged in the connecting cylinder in a penetrating manner, a limiting ring is installed on the lower end of the threaded column, a notch is formed in the position close to the lower side of the outer side wall of the extension sleeve, and a sealing ring is arranged on the lower end of the connecting cylinder. Preferably, the upper side of the outer side wall of the threaded column is threadedly connected with a nut, the inner wall of the connecting cylinder is provided with a clamping groove, and the number of nuts is six. The utility model starts the motor, drives the spiral rod to rotate in the side plate through the cooperation of the second transmission gear and the first transmission gear, drives the first fixing plate and the second fixing plate to move when the spiral rod rotates, changes the distance between the first fixing plate and the second fixing plate, stops after adjusting to the appropriate position, puts the main casing into the installation seat, and makes the main casing pass through the installation seat. At this time, the limiting plate close to the upper side of the outer side wall of the main casing is attached to the surface of the upper end of the installation seat, then the motor is started, the motor drives the first fixing plate and the second fixing plate to fix the main casing under the cooperation of the second transmission gear and the first transmission gear, the limiting plate on the upper side of the main casing is attached to the surface of the first fixing plate and the second fixing plate, the main casing is not easy to fall off, the supporting effect is improved, the cooperation of the sliding plate and the sliding block makes the overall supporting capacity more stable, the casing protection device for oilfield development can support and fix the main casing, supports and protects the main casing, and enhances the stability of the casing protection device for oilfield development.

[0004] However, in the above scheme, the casing is fixed by a plurality of threaded columns, which is troublesome when adjusting the direction of the casing, and it is difficult to adjust the direction of the casing connection.

[0005] In view of this, the utility model provides a casing protection device for oilfield development. Utility model content

[0006] The utility model provides a casing protection device for oilfield development, solves its through a plurality of threaded columns and fixes in related art, is more troublesome when adjusting the steering of casing, is difficult to the steering problem of casing connection.

[0007] The utility model discloses a casing protection device for oilfield development, including the steering ball cover: the inside rotation of steering ball cover is connected with steering hemisphere, one side fixed connection of steering ball cover has fixed cylinder no.

[0008] Preferably, the steering hemisphere is limited to rotate in the inside of the steering ball cover, the fixed cylinder no.

[0009] Preferably, the inside of the insertion cylinder is provided with a positioning threaded hole one, the inside of the connecting cylinder is provided with a positioning threaded hole two, the inside of the fixed cylinder four is provided with a positioning hole, the outside of the insertion cylinder is provided with a screw four, the screw four is threaded through the positioning threaded hole one, the positioning threaded hole two and the positioning hole in sequence, and the screw four can further fix the insertion cylinder, the connecting cylinder and the fixed cylinder four after distance adjustment.

[0010] Preferably, the two sides of the steering hemisphere are provided with openings, the fixed cylinder two is fixed at the opening position of the other side of the steering hemisphere, and the inside of the fixed cylinder two is communicated with the inside of the steering hemisphere. The inside of the steering ball sleeve, the fixed cylinder one, the fixed cylinder two and the connecting cylinder are communicated, so that the pipeline can smoothly penetrate the inside of the sleeve.

[0011] Preferably, a plurality of insertion holes two are arranged on the outside of the steering hemisphere at equal intervals, and the screw two is threaded fixed with the steering ball sleeve and the insertion hole two from the outside of the steering ball sleeve. The plurality of insertion holes two can be fixed when the steering ball sleeve and the steering hemisphere are rotated to different angles.

[0012] Preferably, the outside of one side of the connecting cylinder is provided with an external thread surface two, the inside of the other side of the fixed cylinder one is provided with an internal thread surface two, the external thread surface two is threaded fixed with the internal thread surface two, and the external thread surface two and the internal thread surface two are threaded connected, so that the fixed cylinder one and the connecting cylinder can be fixed.

[0013] Preferably, the outside of one side of the fixed cylinder four is provided with an external thread surface one, the inside of the other side of the connecting cylinder is provided with an internal thread surface one, the external thread surface one is threaded connected with the internal thread surface one, and the external thread surface one and the internal thread surface one are threaded connected, so that the external thread surface one and the internal thread surface one can be fixed.

[0014] Preferably, one side of the insertion cylinder is L-shaped and matched with the arc-shaped outer ring and one side of the connecting cylinder.

[0015] Preferably, the inside of the insertion cylinder is provided with a threaded hole one, the other side of the inside of the fixed cylinder one is provided with a threaded hole two, and the screw three is threaded through the threaded hole one and the threaded hole two in sequence. The insertion cylinder can be sleeved to the outside of the other end of the connecting cylinder after the threaded connection of the connecting cylinder and the fixed cylinder one, so that the insertion cylinder can further position the fixed connecting cylinder.

[0016] Preferably, the fixed cylinder four is inserted into the inside of the insertion cylinder, the inside of the fixed cylinder four is away from the insertion cylinder, and the sleeve is made of high-hardness and corrosion-resistant material.

[0017] The utility model discloses the beneficial effect that:

[0018] 1. The utility model discloses a steering ball sleeve and steering hemisphere are set up, can realize the steering of whole pipeline, can realize the protection of oil pipe steering position to the utility model discloses, and the positioning of steering ball sleeve and steering hemisphere is carried out to screw rod two and jack two, and a plurality of jack two can be fixed to the different angle of steering ball sleeve and steering hemisphere rotation, can realize the fixing of steering ball sleeve and steering hemisphere after steering, the fixed cylinder three of setting can realize the extension of one side of fixed cylinder two when pulling out one side fixed cylinder three, and the pipeline connection of different length is adapted, the fixed cylinder two of setting jack one and screw rod one can be fixed, and the fixed cylinder one and fixed cylinder four are fixed through the connecting cylinder between them,

[0019] 2. The utility model discloses a screw rod four can be further fixed to the adjusting distance after the combination cylinder, connecting cylinder and fixed cylinder four, is screwed through outer thread surface no. 2 and inner thread surface no. 2, can realize the fixed cylinder one and the fixing of connecting cylinder, is screwed through outer thread surface no. 1 and inner thread surface no. 1, can realize the fixed of outer thread surface no. 1 and inner thread surface no. 1, and the combination cylinder and fixed cylinder one are screwed through the thread, can set the combination cylinder to the outside of one end of connecting cylinder after connecting cylinder screwing turns into the inside of fixed cylinder one, make the combination cylinder further position the fixed connecting cylinder. DRAWINGS

[0020] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0021] Figure 1 It is the three -dimensional structure schematic diagram of one side view of the utility model,

[0022] Figure 2 It is the three -dimensional structure schematic diagram of another side view of the utility model,

[0023] Figure 3 It is the three -dimensional schematic diagram of the utility model,

[0024] Figure 4 It is the internal structure schematic diagram of the utility model,

[0025] Figure 5 It is the three -dimensional structure schematic diagram of the utility model, Figure 4 The utility model discloses an enlarged structure schematic diagram of A place,

[0026] In the figure: 1, steering ball sleeve; 2, fixed cylinder one; 3, steering hemisphere; 4, fixed cylinder two; 5, annular slot; 6, fixed cylinder three; 7, insertion hole one; 8, fixed cylinder four; 9, screw one; 10, connecting cylinder; 11, external thread surface one; 12, internal thread surface one; 13, external thread surface two; 14, insertion hole two; 15, screw two; 16, insertion cylinder; 17, threaded hole one; 18, screw three; 19, threaded hole two; 20, positioning threaded through hole one; 21, positioning threaded through hole two; 22, positioning hole; 23, screw four. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are involved in the protection scope of the utility model.

[0028] Embodiment 1

[0029] The preferred embodiment of the casing protection device for oilfield development provided by the utility model comprises Figures 1 to 5 As shown in the figure: a casing protection device for oilfield development, including steering ball sleeve 1: the inside of steering ball sleeve 1 is rotatably connected with steering hemisphere 3, one side of steering ball sleeve 1 is fixedly connected with fixed cylinder one 2, the other side of steering hemisphere 3 is fixedly connected with fixed cylinder two 4, steering ball sleeve 1 and fixed cylinder one 2 are hollow on both sides and inside, steering hemisphere 3 and fixed cylinder two 4 are hollow on both sides and inside, the outside of steering hemisphere 3 is provided with insertion hole two 14, the inside of insertion hole two 14 is screwedly inserted with screw two 15, screw two 15 is screwedly penetrated steering ball sleeve 1, the inner opening of the other side of fixed cylinder one 2 is screwedly connected with connecting cylinder 10, the inner opening of the other side of connecting cylinder 10 is screwedly connected with fixed cylinder four 8, the other side of fixed cylinder four 8 is fixedly connected with fixed cylinder three 6, the outside of fixed cylinder three 6 is provided with insertion hole one 7 which is linearly distributed, the inside of fixed cylinder two 4 is provided with annular slot 5, annular slot 5 is insertedly connected with fixed cylinder three 6, the outside of one end of fixed cylinder two 4 is screwedly penetrated with screw one 9, screw one 9 is penetrated the side of the inside of fixed cylinder two 4 and is screwedly connected with insertion hole one 7, the annular corner of the outside of connecting cylinder 10 is sleeved with insertion cylinder 16, insertion cylinder 16 is penetrated in the inside and is provided with screw three 18, the other end of screw three 18 is penetrated fixed cylinder one 2.

[0030] It should be noted that the existing casing protection still has certain deficiencies, which is fixed by multiple threaded columns, and it is troublesome to adjust the steering of the casing, and it is difficult to steer the connection of the casing.

[0031] In the embodiment, the whole pipeline can be turned by the turning ball sleeve 1 and the turning hemisphere 3, the turning position of the oil pipe can be protected, the turning ball sleeve 1 and the turning hemisphere 3 can be positioned by the screw rod two 15 and the socket two 14, the turning ball sleeve 1 and the turning hemisphere 3 can be fixed after turning, the fixed barrel two 4 can be extended on one side when the fixed barrel three 6 on the pulling side is pulled out, the pipelines with different lengths can be connected, the fixed barrel two 4 after extension can be fixed by the socket one 7 and the screw rod one 9, and the fixed barrel one 2 and the fixed barrel four 8 are fixed by the connecting barrel 10.

[0032] In the further preferable embodiment of the utility model, the turning hemisphere 3 is limited to rotate inside the turning ball sleeve 1, the fixed barrel two 4 is adapted to penetrate the inside of the turning ball sleeve 1, the turning ball sleeve 1 is provided with openings on both sides, the fixed barrel one 2 is fixed at the opening position on one side of the turning ball sleeve 1, and the inside of the turning ball sleeve 1 and the fixed barrel one 2 are communicated.

[0033] In the further preferable embodiment of the utility model, the inside of the socketing barrel 16 is provided with a positioning thread hole one 20, the inside of the connecting barrel 10 is provided with a positioning thread hole two 21, the inside of the fixed barrel four 8 is provided with a positioning hole 22, the outside of the socketing barrel 16 is provided with a screw rod four 23, and the screw rod four 23 is sequentially screwed through the positioning thread hole one 20, the positioning thread hole two 21 and the positioning hole 22.

[0034] In the embodiment, the socketing barrel 16, the connecting barrel 10 and the fixed barrel four 8 after distance adjustment can be further fixed by the screw rod four 23.

[0035] In the further preferable embodiment of the utility model, the turning hemisphere 3 is provided with openings on both sides, the fixed barrel two 4 is fixed at the opening position on the other side of the turning hemisphere 3, and the inside of the fixed barrel two 4 and the turning hemisphere 3 are communicated.

[0036] In the embodiment, the inside of the turning ball sleeve 1, the fixed barrel one 2, the fixed barrel two 4 and the connecting barrel 10 are communicated, and the pipeline can smoothly penetrate the inside of the sleeve.

[0037] Embodiment 2

[0038] Based on the embodiment 1, the preferable embodiment of the sleeve protection device for oilfield development provided by the utility model is Figures 1 to 5 As shown in the figure, a plurality of socket two 14 are equidistantly distributed on the outside of the turning hemisphere 3, and the screw rod two 15 is sequentially screwed with the turning ball sleeve 1 and the socket two 14 from the outside of the turning ball sleeve 1.

[0039] In the embodiment, the plurality of sockets 14 can adapt to the steering ball sleeve 1 and the steering hemisphere 3 to rotate to different angles for fixing.

[0040] In the further preferred embodiment of the utility model, the outer side of the connecting cylinder 10 is provided with an outer thread surface 13, and the inner side of the other side of the fixing cylinder 2 is provided with an inner thread surface 12, and the outer thread surface 13 and the inner thread surface 12 are threadedly fixed.

[0041] In the embodiment, the outer thread surface 13 and the inner thread surface 2 are threadedly connected, and the fixing of the fixing cylinder 2 and the connecting cylinder 10 can be realized.

[0042] In the further preferred embodiment of the utility model, the outer side of the fixing cylinder 8 is provided with an outer thread surface 11, and the inner side of the other side of the connecting cylinder 10 is provided with an inner thread surface 12, and the outer thread surface 11 and the inner thread surface 12 are threadedly connected.

[0043] In the embodiment, the outer thread surface 11 and the inner thread surface 12 are threadedly connected, and the fixing of the outer thread surface 11 and the inner thread surface 12 can be realized.

[0044] In the further preferred embodiment of the utility model, the cross section of the one side of the inserted cylinder 16 is L-shaped and is attached to the arc-shaped outer ring of the connecting cylinder 10 and the one side.

[0045] In the further preferred embodiment of the utility model, the inner side of the inserted cylinder 16 is provided with a threaded hole 17, and the other side of the inner side of the fixing cylinder 2 is provided with a threaded hole 19, and the screw rod 18 is threadedly penetrated through the threaded hole 17 and the threaded hole 19.

[0046] In the embodiment, the threaded penetration of the inserted cylinder 16 and the fixing cylinder 2 can be set to the outer side of the other end of the connecting cylinder 10 after the threaded rotation of the connecting cylinder 10 into the inner side of the fixing cylinder 2, so that the inserted cylinder 16 further positions the fixed connecting cylinder 10.

[0047] In the further preferred embodiment of the utility model, the fixing cylinder 8 is inserted into the inner side of the inserted cylinder 16, the inner side of the fixing cylinder 8 is away from the inserted cylinder 16, and the sleeve is made of high-hardness corrosion-resistant material.

[0048] The utility model discloses a fixed tube two 4 and steering hemisphere 3 are inserted from the inside of fixed tube one 2 and steering ball cover 1 by the side of fixed tube one 2, make steering hemisphere 3 limit in the inside rotation of steering ball cover 1, screw rod two 15 is inserted steering ball cover 1 and jack hole two 14 from the outside of steering ball cover 1, the positioning of steering ball cover 1 and steering hemisphere 3 is carried out, realizes the protection to oil pipe steering position, and multiple jack hole two 14 can adapt steering ball cover 1 and steering hemisphere 3 and rotate to the fixed of different angle, realize the extension of one side of fixed tube two 4 when pulling out the fixed tube three 6 of one side, adapt the oil pipe of different length of set, and jack hole one 7 and screw rod one 9 are fixed to the fixed tube two 4 of extension, and fixed tube one 2 and fixed tube four 8 are fixed between through connecting cylinder 10, and outer thread surface two 13 and inner thread surface two carry out the fixed of screw thread connection, and outer thread surface one 11 and inner thread surface one 12 carry out the fixed of screw thread connection, after connecting cylinder 10 is screwed into the inside of fixed tube one 2, will insert the cylinder 16 of fitting and set to the outside of the other end of connecting cylinder 10, make screw rod three 18 screw thread penetration insert cylinder 16 and fixed tube one 2 again, make insert the cylinder 16 of fitting to the fixed connecting cylinder 10 further positioning.

[0049] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A casing protector for oilfield development, characterized by, The utility model provides a steering ball sleeve (1) is connected with the steering hemisphere (3) in the inside rotation of steering ball sleeve (1), one side fixedly connected with fixed cylinder one (2) of steering ball sleeve (1), the other side fixedly connected with fixed cylinder two (4) of steering hemisphere (3), the inside hollow of steering ball sleeve (1) and fixed cylinder one (2) is two sides, the inside hollow of steering hemisphere (3) and fixed cylinder two (4) is two sides, the outside of steering hemisphere (3) is provided with jack two (14), the inside screw of jack two (14) is combined with screw rod two (15), screw rod two (15) is screwed and passes through steering ball sleeve (1), the inner mouth screw connection of fixed cylinder one (2) other side is connected with connecting cylinder (10), the inner mouth screw connection of connecting cylinder (10) other side is connected with fixed cylinder four (8), the other side fixedly connected with fixed cylinder three (6) of fixed cylinder four (8), the outside of fixed cylinder three (6) is provided with jack one (7) and is in straight line distribution, the inside of fixed cylinder two (4) is provided with annular insertion slot (5), the inside insertion combination of annular insertion slot (5) is connected with fixed cylinder three (6), the outside screw of fixed cylinder two (4) one end is penetrated and has screw rod one (9), screw rod one (9) is penetrated and one side with jack one (7) screw connection of fixed cylinder two (4) inside, the annular one corner sleeve of connecting cylinder (10) outside is provided with insertion cylinder (16), the inside penetration of insertion cylinder (16) is provided with screw rod three (18), the other end of screw rod three (18) is penetrated fixed cylinder one (2).

2. A casing protector for oilfield development as claimed in claim 1, characterized in that, The steering hemisphere (3) is limited to rotate in the inside of the steering ball sleeve (1), the fixed cylinder two (4) is adapted to penetrate the inside of the steering ball sleeve (1), the opening is formed in both sides of the steering ball sleeve (1), the fixed cylinder one (2) is fixed to the opening position of one side of the steering ball sleeve (1), and the inside of the steering ball sleeve (1) and the fixed cylinder one (2) is communicated.

3. A casing protector for oilfield development as claimed in claim 1, characterized in that, The inside of the insertion cylinder (16) is provided with a positioning screw through hole one (20), the inside of the connecting cylinder (10) is provided with a positioning screw through hole two (21), the inside of the fixed cylinder four (8) is provided with a positioning hole (22), the outside of the insertion cylinder (16) is provided with a screw rod four (23), and the screw rod four (23) is screwed and penetrated in sequence positioning screw through hole one (20), positioning screw through hole two (21) and positioning hole (22).

4. A casing protector for oilfield development as claimed in claim 1, characterized in that, The opening is formed in both sides of the steering hemisphere (3), the fixed cylinder two (4) is fixed to the opening position of the other side of the steering hemisphere (3), and the inside of the fixed cylinder two (4) and the steering hemisphere (3) is communicated.

5. A casing protector for oilfield development as claimed in claim 1, characterized in that, A plurality of jack two (14) are arranged, a plurality of jack two (14) are equidistantly distributed on the outside of the steering hemisphere (3), and the screw rod two (15) is screwed and fixed from the outside of the steering ball sleeve (1) to the steering ball sleeve (1) and the jack two (14) in sequence.

6. A casing protector for oilfield development as defined in claim 1, characterized in that, The outside of one side of the connecting cylinder (10) is provided with an external screw surface two (13), the inside of the other side of the fixed cylinder one (2) is provided with an internal screw surface two, and the external screw surface two (13) and the internal screw surface two are screwed and fixed.

7. A casing protector for oilfield development as defined in claim 1, characterized in that, The outer side of the fixed cylinder four (8) is provided with an outer threaded surface one (11), and the inner opening of the other side of the connecting cylinder (10) is provided with an inner threaded surface one (12), and the outer threaded surface one (11) is threadedly connected with the inner threaded surface one (12).

8. A casing protector for oilfield development as defined in claim 1, characterized in that, The cross section of one side of the insertion cylinder (16) is L-shaped and is attached to the arc-shaped outer ring of the connecting cylinder (10) and one side.

9. A casing protector for oilfield development as defined in claim 1, characterized in that, The inner side of the insertion cylinder (16) is provided with a threaded hole one (17), and the other side of the inner side of the fixed cylinder one (2) is provided with a threaded hole two (19), and the screw rod three (18) is threadedly penetrated through the threaded hole one (17) and the threaded hole two (19) in sequence.

10. A casing protector for oilfield development as defined in claim 1, characterized in that, The fixed cylinder four (8) is inserted into the inner side of the insertion cylinder (16), and the fixed cylinder four (8) is away from the inner opening of the insertion cylinder (16), and the sleeve is made of high-hardness corrosion-resistant material.

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