Integrated tubular column for fracturing well completion

Abstract

The utility model provides an integrated tubular column for fracturing well completion, which comprises an integrated tubular column mechanism, a telescopic mechanism and a traction mechanism, the integrated tubular column mechanism consists of an integrated tubular column, a telescopic rod and a buffer rubber pad, the telescopic rod is connected to a bottom pipe orifice of the integrated tubular column, the top end of the buffer rubber pad is connected with the telescopic rod, and the telescopic rod is connected with the traction mechanism. The integrated tubular column, the telescopic rod and the buffer rubber pad are communicated with the crude oil collecting and fracturing well completion way, the telescopic rod and the buffer rubber pad are triggered to move by utilizing the lever principle, siphoning is generated, and the crude oil collecting and fracturing well completion way is achieved. Crude oil enters the integrated pipe column from the bottom opening of the integrated pipe column and then is transferred out of an oil well, and exploitation is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to crude oil exploitation technical field, concretely is a kind of integrated pipe column for fracturing completion. BACKGROUND

[0002] Fracturing: in the petroleum field, fracturing refers to the process of oil or gas production, using hydraulic action, make oil and gas layer form crack a method, also called hydraulic fracturing. Fracturing is artificially make formation crack, improve the flow environment of oil in the ground, increase the production of oil well, to improve the flow condition of oil well bottom, slow down interlayer and improve the production status of oil layer can play an important role.

[0003] After searching, found that application No. CN202020589389.9 a test production tool integrated pipe column;

[0004] The utility model relates to test production technical field especially as a kind of test production tool integrated pipe column, including integrated pipe column and oil pipe, the integrated pipe column left end surface intercommunication has connecting pipe, the connecting pipe is connected with the oil pipe sliding, the oil pipe right end surface is fixedly connected with fixed block, the fixed block penetrates connecting pipe, the fixed block is connected with connecting pipe sliding, the fixed block inboard is equipped with the clamping groove, in the utility model, through the pull rod, spring, clamping block and first screw being set, when installing integrated pipe column, connecting pipe is aligned on the fixed block of oil pipe, fixed block is slid in the inside of connecting pipe, fixed plate is extruded clamping block in the process of sliding and drives clamping block to slide, clamping block slides simultaneously and compresses spring, when clamping block contacts with clamping groove, the pressure that clamping block and spring receive disappears, spring resets and drives clamping block to move, can install integrated oil pipe, and installation process is very simple, save time and effort.

[0005] In the fracturing well adaptation, crude oil exploitation needs a certain gas pressure circulation, to ensure that the oil layer in the oil field underground has enough strong pressure, pushes crude oil out of oil layer and reaches oil field surface, so that the crude oil needs to be extracted from the bottom of the oil layer by the plunger device, and the crude oil is transferred by the siphon principle, but the plunger structure used in conventional crude oil collection process is complex, time-consuming and labor-consuming, which is not conducive to the extraction of crude oil. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of integrated pipe column for fracturing completion, to solve the above background technique proposed in the fracturing well adaptation, crude oil exploitation needs a certain gas pressure circulation, to ensure that the oil layer in the oil field underground has enough strong pressure, pushes crude oil out of oil layer and reaches oil field surface, so that the crude oil needs to be extracted from the bottom of the oil layer by the plunger device, and the crude oil is transferred by the siphon principle, but the plunger structure used in conventional crude oil collection process is complex, time-consuming and labor-consuming, which is not conducive to the extraction of crude oil.

[0007] To achieve the above object, the utility model provides the following technical scheme: an integrated pipe column for fracturing completion, including integrated pipe column mechanism, telescopic mechanism and pull mechanism,

[0008] The integrated pipe column mechanism is composed of a pipe joint cylinder, a telescopic rod and a buffer rubber pad.

[0009] The bottom pipe orifice position of the pipe joint cylinder is connected with the telescopic rod, the rod body bottom end of the telescopic rod is installed with the buffer rubber pad, and the rod body top end of the telescopic rod is slidably connected with the inner wall of the pipe joint cylinder.

[0010] The top end of the pipe joint cylinder is installed with the telescopic mechanism.

[0011] As a preferred scheme of the utility model: the telescopic mechanism includes the buffer spring installed at the top end of the pipe joint cylinder, the middle part of the buffer spring is sleeved with the buffer support rod, the top end of the buffer support rod is equipped with the first U type holder, and the end of the first U type holder is equipped with the dolly.

[0012] As a preferred scheme of the utility model: the bottom of the dolly is hinged with the dolly roller shaft, the back of the dolly roller shaft is installed with the first dolly support, the top end of the first dolly support is equipped with the abutting dolly piece, the bottom end of the abutting dolly piece is elastically connected with the surface of the buffer support rod, and the both side walls of the first dolly support are respectively installed with the guide slide rod.

[0013] As a preferred scheme of the utility model: the bottom of the guide slide rod is installed with the second dolly support, the end of the second dolly support is hinged with the drive sleeve, the side wall of the pipe joint cylinder is also installed with the pull mechanism, and the pull mechanism includes the lever gasket installed at the side of the pipe joint cylinder.

[0014] As a preferred scheme of the utility model: the bottom of the lever gasket is respectively equipped with the slide rod on both sides, the second U type holder is installed at the bottom of the slide rod, and the surface of the second U type holder is fixedly sleeved with the corresponding telescopic rod.

[0015] As a preferred scheme of the utility model: the top end side of the slide rod is installed with the L type support, the top end side of the L type support is installed with the spring buffer, and the bottom end of the spring buffer is hingedly arranged with the back of the corresponding L type support.

[0016] As a preferred scheme of the utility model: the both ends of the abutting dolly piece are respectively hinged with the fastening nut, the inside of the pipe joint cylinder is hollow, and the bottom of the pipe joint cylinder is slidably connected with the top end of the telescopic rod.

[0017] As a preferred scheme of the utility model: the outside wall of the pipe joint cylinder is provided with the oil extraction port.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1) through adoption integration pipe column, telescopic link and buffer rubber pad and crude oil collection fracturing wellbore communication, utilize lever principle trigger telescopic link and buffer rubber pad removal, mechanical movement, continuous generation siphon, crude oil will enter integration pipe column from integration pipe column bottom mouth, again shift realizes crude oil storage, improved crude oil to take efficiency, use in fracturing wellbore mouth, installation is convenient, sliding siphon constructs oil absorption channel, and draws crude oil more efficient;

[0020] 2) adoption deflection lever and lever gasket and deflection lever rod body realizes hinged joint, and the abutting piece is along the guide slide bar linear translation with the driving support, to pull telescopic link to integration pipe column, in combination deflection lever and slide bar, promote abutting piece and move up, deflection lever share or limit abutting piece highest point that rises up, prepare for elastic reset, improve subsequent crude oil exploitation efficiency, cyclic multiple exploitation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic view of the utility model;

[0022] Figure 2 It is the side structure schematic view of the utility model;

[0023] Figure 3 It is the second driving support structure schematic view of the utility model;

[0024] Figure 4 It is the telescopic link structure schematic view of the utility model.

[0025] In the drawing: 1, integration pipe column mechanism;11, pipe joint cylinder;12, telescopic link;13, buffer rubber pad;

[0026] 2, telescopic mechanism;21, buffer spring;22, buffer support rod;23, first U-shaped holder;24, driver;25, driving roller shaft;26, first driving support;27, abutting piece;28, guide slide bar;29, second driving support;

[0027] 3, pulling mechanism;31, lever gasket;32, deflection lever;33, slide bar;34, second U-shaped holder;35, L-shaped support;36, spring buffer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in 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 of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Please refer to Figure 1 - Figure 4 The utility model provides a kind of technical scheme: a kind of integration pipe column for fracturing completion, including integration pipe column mechanism 1, telescopic mechanism 2 and pull mechanism 3;

[0030] Integration pipe column mechanism 1 is composed of: pipe joint cylinder 11, telescopic rod 12 and buffer rubber pad 13;

[0031] The bottom pipe orifice position of pipe joint cylinder 11 is connected with telescopic rod 12, buffer rubber pad 13 is installed at the bottom end of the stem of telescopic rod 12, and the stem top end of telescopic rod 12 is slidably connected with the inner wall of pipe joint cylinder 11;

[0032] The top end of pipe joint cylinder 11 is installed with telescopic mechanism 2.

[0033] In the embodiment: telescopic mechanism 2 includes buffer spring 21 installed at the top end of pipe joint cylinder 11, buffer support rod 22 is sleeved in the middle part of buffer spring 21, first U-shaped holder 23 is provided at the top end of buffer support rod 22, and actuator 24 is provided at the end of first U-shaped holder 23.

[0034] First U-shaped holder 23 and actuator 24 are used to change the position of buffer support rod 22, and actuator 24 has reset contraction function, and telescopic mechanism 2 is triggered repeatedly to cycle.

[0035] In the embodiment: actuator 24 is hingedly connected with actuating roller shaft 25 at the bottom, first actuating support 26 is installed at the back of actuating roller shaft 25, abutting tab 27 is provided at the top end of first actuating support 26, the bottom end of abutting tab 27 is elastically connected with the surface of buffer support rod 22, and guide slide rod 28 is installed at the two side walls of first actuating support 26 respectively.

[0036] First actuating support 26 and guide slide rod 28 are used to slide linearly up and down to change the position of actuator 24.

[0037] In the embodiment: second actuating support 29 is installed at the bottom of guide slide rod 28, drive sleeve is hingedly connected at the end of second actuating support 29, pull mechanism 3 is also installed at the side wall of pipe joint cylinder 11, and pull mechanism 3 includes lever gasket 31 installed at the side of pipe joint cylinder 11, and deflection rod 32 is provided at the top surface of lever gasket 31.

[0038] The lever gasket 31 is used to pry the deflection lever 32 by the lever principle to complete the multiple pumping of crude oil in the fractured well.

[0039] In this embodiment: the bottom of the lever gasket 31 is provided with a sliding rod 33 on both sides, and the bottom of the sliding rod 33 is provided with a second U-shaped holder 34, and the surface of the second U-shaped holder 34 is sleeved and fixed with the corresponding telescopic rod 12.

[0040] The second U-shaped holder 34 is used to drive the position of the second U-shaped holder 34.

[0041] In this embodiment: the top end of the sliding rod 33 is provided with an L-shaped support 35, and the top end of the L-shaped support 35 is provided with a spring buffer 36, and the bottom end of the spring buffer 36 is hingedly connected with the back of the corresponding L-shaped support 35.

[0042] The L-shaped support 35 and the spring buffer 36 are used to trigger the position of the L-shaped support 35, and reset quickly after the extraction is completed, thereby improving the oil extraction efficiency.

[0043] In this embodiment: the abutting piece 27 is hingedly connected with a fastening nut at both ends, the inside of the pipe joint cylinder 11 is hollow, and the bottom end of the pipe joint cylinder 11 is slidably connected with the top end of the telescopic rod 12.

[0044] The pipe joint cylinder 11 and the telescopic rod 12 are used to change the elevation angle of the abutting piece 27.

[0045] In this embodiment: the outside wall of the pipe joint cylinder 11 is provided with an oil extraction port.

[0046] The pumping liquid transfer pipe joint cylinder 11.

[0047] In specific use, step one: the integrated pipe column 11 is installed;

[0048] First, the developed fractured well is completed, and the bottom of the oil outlet is just connected with the underground oil pipe;

[0049] When installing, consider the oil suction channel, first install the telescopic rod 12 and the buffer rubber pad 13 at the fractured well channel, completely place into the well channel, and the positions of the pipe joint cylinder 11 and the buffer rubber pad 13 are just sealed with the oil outlet, and the position of the second U-shaped holder 34 is preferably clamped on the outer wall of the oil pipe;

[0050] Step two: pumping, using the pipe joint cylinder 11 to pump away the crude oil;

[0051] The pressure is given to the first actuating support 26, so that the first actuating support 26 moves along the guide slide rod 28, and then the abutting actuating piece 27 will move downward along the guide slide rod 28 due to the pressure, the abutting actuating piece 27 will be raised, the abutting actuating piece 27 and the actuator 24 are hinged to the actuating roller shaft 25, the orientation of the abutting actuating piece 27 is changed, and the angle of the connection position of the first actuating support 26 and the abutting actuating piece 27 is changed, the buffer rubber pad 13 and the telescopic rod 12 will slide upward, the crude oil is moved by the buffer rubber pad 13, and is transferred into the pipe joint cylinder 11 at the fracturing well completion port, and is extracted out of the fracturing well completion.

[0052] The telescopic rod 12 is out of the pipe column from the buffer support rod 22, at this moment, the deflection rod 32 is raised due to the change of the rod body height, the lever gasket 31 and the deflection rod 32 can be hinged to control the deflection rod 32, the upward angle has no swing limiting effect, at this moment, the sliding rod 33 will be synchronously slid, so as to ensure that the deflection rod 32 has a wide swing range during actuation, and the crude oil is brought out by the siphon effect into the external oil storage tank.

[0053] The power source is selected to be used in cooperation with the oil pumping unit.

[0054] The contents not described in detail in the description belong to the prior art known by the person skilled in the art, although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An integrated tubing string for fracturing and completion wells, comprising an integrated tubing string mechanism (1), a telescopic mechanism (2), and a pulling mechanism (3). Its features are: The integrated tubular column mechanism (1) consists of: a tubular column (11), a telescopic rod (12), and a buffer rubber pad (13); A telescopic rod (12) is connected to the bottom of the pipe-connected column (11). A buffer rubber pad (13) is installed at the bottom end of the telescopic rod (12). The top end of the telescopic rod (12) is slidably telescopically connected to the inner wall of the pipe-connected column (11). The top end of the pipe-connected column (11) is equipped with a telescopic mechanism (2).

2. The integrated tubing string for fracturing and completion according to claim 1, characterized in that: The telescopic mechanism (2) includes a buffer spring (21) installed at the top of the pipe connection cylinder (11), a buffer support rod (22) is sleeved in the middle of the buffer spring (21), a first U-shaped clamp (23) is provided at the top of the buffer support rod (22), and a toggle (24) is provided at the end of the first U-shaped clamp (23).

3. An integrated tubing string for fracturing and completion according to claim 2, characterized in that: The bottom of the toggle (24) is hinged with a toggle roller (25), and a first toggle bracket (26) is installed on the back of the toggle roller (25). The top of the first toggle bracket (26) is provided with an abutting paddle (27), and the bottom end of the abutting paddle (27) is elastically connected to the surface of the buffer support rod (22). Guide slide rods (28) are respectively installed on the two side walls of the first toggle bracket (26).

4. An integrated tubing string for fracturing and completion according to claim 3, characterized in that: The bottom of the guide slide (28) is equipped with a second actuating bracket (29), and the end of the second actuating bracket (29) is hinged with a driving sleeve. The side wall of the pipe connection cylinder (11) is also equipped with a pulling mechanism (3). The pulling mechanism (3) includes a lever pad (31) installed on the side of the pipe connection cylinder (11). The top surface of the lever pad (31) is provided with a deflection rod (32).

5. An integrated tubing string for fracturing and completion according to claim 4, characterized in that: The lever pad (31) has sliding rods (33) on both sides of its bottom. A second U-shaped clamp (34) is installed at the bottom of the sliding rod (33). The surface of the second U-shaped clamp (34) is sleeved and fixed with the corresponding telescopic rod (12).

6. An integrated tubing string for fracturing and completion according to claim 5, characterized in that: An L-shaped bracket (35) is installed on the top side of the sliding rod (33), and a spring buffer (36) is installed on the top side of the L-shaped bracket (35). The bottom end of the spring buffer (36) is hinged to the back of the corresponding L-shaped bracket (35).

7. An integrated tubing string for fracturing and completion according to claim 3, characterized in that: The two ends of the abutment plate (27) are respectively hinged with fastening nuts. The inside of the pipe connection cylinder (11) is hollow, and the bottom of the pipe connection cylinder (11) is slidably telescopically connected to the top of the telescopic rod (12).

8. An integrated tubing string for fracturing and completion according to claim 1, characterized in that: The outer wall of the pipe-connected column (11) is provided with an oil extraction port.

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