CN217897767U

CN217897767U - Downhole operation oil testing pipe column

Info

Publication number: CN217897767U
Application number: CN202222425012.1U
Authority: CN
Inventors: 黄文鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-11-25
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses an borehole operation test oil pipe post, including the test oil pipe post body, the test oil pipe post body includes the sleeve pipe, sets up first oil pipe and second oil pipe in the sleeve pipe, and fixed mounting has the sand card ware that holds in the palm on the first oil pipe, and fixed mounting has a packer on the second oil pipe, and second oil pipe's bottom fixedly connected with perforating gun cooperatees through sleeve pipe, first oil pipe, second oil pipe, sand card ware, packer and perforating gun, can carry out test oil pipe operation in the pit, install quick-connect coupling mechanism between first oil pipe and the second oil pipe, the both sides of first oil pipe and the equal threaded fixation in both sides of second oil pipe have the cutting ferrule. The utility model discloses a press on one hand and remove, the mode of another hand cooperation operation can realize the sealing connection between first oil pipe and the second oil pipe fast, and single can operate does not need two people to cooperate, makes things convenient for personnel to install.

Description

Downhole operation oil testing pipe column

Technical Field

The utility model relates to a test oil tubular column technical field especially relates to an borehole operation test oil tubular column.

Background

In the exploration process of an oil and gas field, an underground operation oil testing pipe column is needed, the position of a well drilling is determined on the ground, a drill rod and a drill bit are driven to rotate by the power of a drilling machine, so that the drill bit gradually crushes rock stratums encountered downwards to form a shaft; then, a seamless steel pipe (also called a casing) smaller than the well bore is put into the well bore, and cement slurry is injected into an annular space between the casing and the well wall to fix the casing on the well wall, for example, the application number: 201922139805.5 discloses a downhole oil testing pipe column, which comprises a casing, wherein a first oil pipe is arranged at the top of an inner cavity of the casing, a sand supporting clamp is fixedly connected to the surface of the first oil pipe, a quick coupling is fixedly connected to the bottom of the first oil pipe, an insertion slot is formed in the bottom of the quick coupling, and a convex block is fixedly connected to the top of the inner cavity of the insertion slot; during installation, the quick connector at the bottom of the quick connector is driven by the first oil pipe to align with the insert block positioned at the top of the second oil pipe, so that the slot is aligned with the insert block, the first oil pipe is moved downwards, the installation can be completed, when the quick connector is disassembled, the insert rod is pressed by the pressing block, the insert rod pushes the push block out of the movable groove, the push block enters the inner cavity of the clamping groove to push the fixture block positioned in the inner cavity of the clamping groove, the fixture block slides out of the inner cavity of the clamping groove, the fixture block is clamped by the inner walls at two sides of the alignment groove, and the first oil pipe and the second oil pipe can be disassembled by loosening the insert rod;

in the above-mentioned patent, though can realize the connection of first oil pipe and second oil pipe through inserted bar, inserted block and slot cooperation, it needs two hands to operate two according to the briquetting in step when the dismouting, and two hands synchro operation's mode then needs two people cooperation dismouting when first oil pipe of dismouting and second oil pipe, therefore we have provided an borehole operation oil testing tubular column and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a downhole operation oil testing pipe column.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a downhole operation test oil pipe column comprises a test oil pipe column body, wherein the test oil pipe column body comprises a sleeve, a first oil pipe and a second oil pipe which are arranged in the sleeve, a sand supporting clamp is fixedly arranged on the first oil pipe, a packer is fixedly arranged on the second oil pipe, the bottom end of the second oil pipe is fixedly connected with a perforating gun, and the downhole test oil pipe operation can be carried out through the matching of the sleeve, the first oil pipe, the second oil pipe, the sand supporting clamp, the packer and the perforating gun;

the quick fastening mechanism comprises a U-shaped mounting plate sleeved on a first oil pipe and a second oil pipe, a first clamping block is clamped in the clamping sleeve in an activity mode, the clamping sleeve is matched with the first clamping block, the limitation connection between the first oil pipe and the second oil pipe can be achieved, the right sides of two first clamping blocks on the right side are fixedly connected with the right inner wall of the U-shaped mounting plate, the left sides of two first clamping blocks on the left side are fixedly connected with a same moving rod, the left side of the moving rod is fixedly connected with an elastic guide assembly, the left side of the elastic guide assembly penetrates through the left inner wall of the U-shaped mounting plate, the elastic guide assembly plays a guiding effect on the moving rod, a clamping groove is formed in the bottom of the clamping sleeve on the upper left side, the elastic clamping assembly is clamped in the clamping groove in a movable clamping mode, the moving rod is sleeved on the elastic clamping assembly in a sliding mode, the elastic clamping assembly is matched with the clamping groove, and the moving rod plays a left-right limiting effect.

Preferably, elasticity direction subassembly includes fixed connection at the left locating lever of carriage release lever, and the left end of locating lever extends to the left side and the fixedly connected with anticreep piece of U-shaped mounting panel, and the effect of direction is played to the U-shaped mounting panel to the locating lever, a plurality of first springs of fixedly connected with between the left side inner wall of the left side of carriage release lever and U-shaped mounting panel, and the setting of first spring can be in compression state at first spring, when relaxing thrust, and the drive carriage release lever removes to the left and resets.

Preferably, the elastic clamping assembly comprises a second clamping block movably clamped in the clamping groove, a moving block is fixedly connected to the bottom of the second clamping block, a rectangular groove is formed in the top end of the moving rod, a rectangular rod is slidably mounted in the rectangular groove, the left side of the moving block extends into the rectangular groove, the top of the moving block is fixedly connected with the bottom end of the rectangular rod, the rectangular rod plays a guiding role in the moving block, a second spring is fixedly connected between the bottom of the moving block and the inner wall of the bottom of the rectangular groove, and the top of the rectangular rod extends to the upper portion of the U-shaped mounting plate and is fixedly connected with a pull ring.

Preferably, a sealing ring is fixedly bonded to the top end of the second oil pipe, the top of the sealing ring is in movable contact with the bottom of the first oil pipe, and the first oil pipe is in sealing connection with the second oil pipe through the sealing ring.

Preferably, threaded grooves are formed in the two sides of the first oil pipe and the two sides of the second oil pipe, a threaded block is fixedly connected to one side, close to each other, of each of the two clamping sleeves relative to each other, the threaded block is in threaded connection with the corresponding threaded groove, and the clamping sleeves can be taken down for recycling by the mode that the clamping sleeves are installed on the first oil pipe and the second oil pipe through the threaded blocks.

Preferably, two grooves are formed in the inner wall of the left side of the U-shaped mounting plate, and one side, away from the moving rod, of the first spring is fixedly connected with the inner wall of one side, away from the opening, of the corresponding groove.

Preferably, a rectangular through hole is formed in the right inner wall of the rectangular groove, and the front inner wall and the rear inner wall of the rectangular through hole are respectively connected with the front side and the rear side of the moving block in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the clamping sleeve, the first clamping block, the U-shaped mounting plate, the sealing ring, the moving rod and the elastic guide assembly are matched, so that the first oil pipe and the second oil pipe can be fixedly connected in a sealing manner;

2. the elastic clamping mechanism, the clamping groove and the moving rod are matched, so that the moving rod can be limited left and right, the U-shaped mounting plate can be limited left and right, and the connection stability between the first oil pipe and the second oil pipe is further improved;

the utility model discloses a press on one hand and remove, the mode of another hand cooperation operation can realize the sealing connection between first oil pipe and the second oil pipe fast, and single can operate does not need two people to cooperate, makes things convenient for personnel to install.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a downhole operation oil testing pipe column provided by the present invention;

fig. 2 is a perspective view of a first oil pipe, a second oil pipe and a quick fastening connection mechanism connecting piece of the downhole operation test oil pipe column provided by the utility model;

FIG. 3 is an enlarged cross-sectional view of portion A of FIG. 1;

fig. 4 is an enlarged structural view of a portion B in fig. 3.

In the figure: 100. a first oil pipe; 101. a second oil pipe; 102. a sleeve; 103. a sand supporting and clamping device; 104. a packer; 105. a perforating gun; 1. a U-shaped mounting plate; 2. a card sleeve; 3. a first clamping block; 4. a seal ring; 5. a travel bar; 6. positioning a rod; 7. a first spring; 8. a card slot; 9. a second fixture block; 10. a rectangular groove; 11. a rectangular bar; 12. a second spring; 13. a moving block; 14. a pull ring; 15. a thread block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a downhole operation test oil pipe column comprises a test oil pipe column body, the test oil pipe column body comprises a casing 102, a first oil pipe 100 and a second oil pipe 101 which are arranged in the casing 102, a sand supporting clamp 103 is fixedly arranged on the first oil pipe 100, a packer 104 is fixedly arranged on the second oil pipe 101, a perforating gun 105 is fixedly connected to the bottom end of the second oil pipe 101, a quick-fastening connection mechanism is arranged between the first oil pipe 100 and the second oil pipe 101, a sealing ring 4 is fixedly bonded to the top end of the second oil pipe 101, the top of the sealing ring 4 is movably contacted with the bottom of the first oil pipe 100, the sealing connection between the first oil pipe 100 and the second oil pipe 101 is realized through the sealing ring 4, clamping sleeves 2 are fixedly screwed on both sides of the first oil pipe 100 and both sides of the second oil pipe 101, thread grooves are respectively formed on both sides of the first oil pipe 100 and both sides of the second oil pipe 101, thread blocks 15 are fixedly connected to one side of the two clamping sleeves 2 which are opposite to each other, the two clamping sleeves 15 are connected to each other in a threaded manner, and are convenient for a subsequent worker to take two clamping sleeves to utilize the two clamping sleeves 2 in a symmetrical manner;

the quick connecting mechanism comprises a U-shaped mounting plate 1 sleeved on a first oil pipe 100 and a second oil pipe 101, first clamping blocks 3 are movably clamped in a clamping sleeve 2, the right sides of the two first clamping blocks 3 on the right side are fixedly connected with the inner wall of the right side of the U-shaped mounting plate 1, the left sides of the two first clamping blocks 3 on the left side are fixedly connected with the same moving rod 5, the left side of the moving rod 5 is fixedly connected with an elastic guide assembly, the left side of the elastic guide assembly penetrates through the inner wall of the left side of the U-shaped mounting plate 1, the elastic guide assembly comprises a positioning rod 6 fixedly connected to the left side of the moving rod 5, the left end of the positioning rod 6 extends to the left side of the U-shaped mounting plate 1 and is fixedly connected with an anti-falling block, a first perforation is formed in the inner wall of the left side of the U-shaped mounting plate 1, the inner wall of the first perforation is in sliding connection with the outer side of the positioning rod 6, the moving rod 5 is positioned through the positioning rod 6, the anti-falling block is arranged, the anti-falling effect is achieved on the positioning rod 6, a plurality of first springs 7 are fixedly connected between the left side of the moving rod 5 and one side of the inner wall of the U-shaped mounting plate 1, two grooves are formed in the inner wall of the U-shaped mounting plate 1, one side of the first springs 7 is far away from the opening of the fixing rod 5;

the bottom that is located cutting ferrule 2 on the upper left side has seted up draw-in groove 8, the activity card is equipped with elasticity and clamps the subassembly in draw-in

groove

8, 5 slip covers of carriage release lever are established on elasticity clamps the subassembly, wherein elasticity clamps the subassembly and clamps second fixture block 9 in draw-in groove 8 including the activity, the bottom fixedly connected with movable block 13 of second fixture block 9, rectangular channel 10 has been seted up on carriage release lever 5's top, slidable mounting has rectangular rod 11 in rectangular channel 10, wherein extend to rectangular channel 10 in the left side of movable block 13, wherein seted up the rectangle perforation on the right side inner wall of rectangular channel 10, fenestrate front side inner wall of rectangle and rear side inner wall respectively with the front side and the rear side sliding connection of movable block 13, the top of movable block 13 and rectangular rod 11's bottom fixed connection, fix a position movable block 13 through rectangular rod 11, fixedly connected with second spring 12 between the bottom of movable block 13 and the bottom inner wall of rectangular channel 10, the top of rectangular rod 11 extends to the top of U-shaped mounting panel 1 and fixedly connected with rectangle pull ring 14, drive rectangular rod 11 through 14, the utility model discloses a push-and move through the mode of pressing on the one hand operation, can realize the cooperation of hand between the pull ring to the first person of oil pipe, do not need not sealed person to be connected between 100, the person of the sealed person, the person of the person, the person of installing, the person of installing.

The working principle is as follows: when the oil pipe fixing device is used, the first oil pipe 100 and the second oil pipe 101 are in sealed connection through the sealing ring 4, when the first oil pipe 100 and the second oil pipe 101 need to be disassembled, the pull ring 14 is pressed downwards to drive the rectangular rod 11 to move downwards, the rectangular rod 11 drives the moving block 13 to move downwards, the moving block 13 compresses the second spring 12 downwards, the moving block 13 drives the second clamping block 9 to be separated from the clamping groove 8, left and right fixing of the moving rod 5 is released, the moving rod 5 is pushed leftwards to drive the positioning rod 6 to move leftwards, the moving rod 5 compresses the first springs 7 while moving leftwards, the moving rod 5 drives the two first clamping blocks 3 on the left side to be separated from the two clamping sleeves 2 on the left side, the U-shaped mounting plate 1 is released from right limiting, the U-shaped mounting plate 1,U is moved rightwards to drive the two first clamping blocks 3 on the right side to be separated from the two clamping sleeves 2 on the right side, fixing of the U-shaped mounting plate 1 is released, the U-shaped mounting plate 1 can be taken down, and the oil pipe clamping blocks 3 are separated from the corresponding clamping sleeves 2, and then the first oil pipe 101 and the second oil pipe 101 can be disassembled;

when the oil pipe is installed, the second oil pipe 101 is vertically placed, the bottom end of the first oil pipe 100 is movably contacted with the top of the sealing ring 4 by one hand, the pull ring 14 is pressed downwards by the other hand and pushed leftwards again, so that the first spring 7 and the second spring 12 are in a compressed state, then the U-shaped mounting plate 1 is sleeved on the first oil pipe 100 and the second oil pipe 101, when the two first fixture blocks 3 on the right side are respectively aligned with the two clamping sleeves 2 on the right side, the U-shaped mounting plate 1,U is moved leftwards, the two first fixture blocks 3 on the right side are respectively clamped in the corresponding clamping sleeves 2, then the leftwards pushing force to the pull ring is slowly released, at the moment, the elastic force of the first spring 7 in the compressed state drives the moving rod 5 to move rightwards, the moving rod 5 drives the two first fixture blocks 3 on the left side to respectively move into the corresponding clamping sleeves 2, thereby realize the upper and lower restriction to U-shaped mounting panel 1, relax immediately and to the decurrent pressing force of draw-in groove, the elasticity of the second spring 12 that is in compression state drives movable block 13 rebound this moment, movable block 13 drives second fixture block 9 and removes to in draw-in groove 8, realize the restriction to carriage release lever 5, thereby realize the restriction about U-shaped mounting panel 1, make U-shaped mounting panel 1 fixed, thereby make four first fixture blocks 3 fixed, four first fixture blocks 3 and four cutting ferrule 2 cooperate, realize the connection between first oil pipe 100 and the second oil pipe 101, press the removal through one hand, the mode of another hand cooperation operation, can realize the sealing connection between first oil pipe 100 and the second oil pipe 101 fast, it can operate to be single, do not need two people's cooperations, make things convenient for personnel to install.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A downhole operation oil testing string comprises an oil testing string body, wherein the oil testing string body comprises a casing (102), a first oil pipe (100) and a second oil pipe (101) which are arranged in the casing (102), a sand supporting clamp (103) is fixedly arranged on the first oil pipe (100), a packer (104) is fixedly arranged on the second oil pipe (101), and a perforating gun (105) is fixedly connected to the bottom end of the second oil pipe (101), the downhole operation oil testing string is characterized in that a quick-fastening connecting mechanism is arranged between the first oil pipe (100) and the second oil pipe (101), clamping sleeves (2) are respectively fixed on two sides of the first oil pipe (100) and two sides of the second oil pipe (101) in a threaded manner, and the two clamping sleeves (2) which are opposite left and right are symmetrically arranged;

fast link joint mechanism establishes U-shaped mounting panel (1) on first oil pipe (100) and second oil pipe (101) including the cover, first fixture block (3) are equipped with to movable clamp in cutting ferrule (2), the right side of two first fixture blocks (3) that are located the right side all with the right side inner wall fixed connection of U-shaped mounting panel (1), the same carriage release lever (5) of left side fixedly connected with that is located two left first fixture blocks (3), the left side fixedly connected with elastic guide subassembly of carriage release lever (5), the left side inner wall of U-shaped mounting panel (1) is run through in the left side of elastic guide subassembly, draw-in groove (8) have been seted up to the bottom that is located cutting ferrule (2) above the left, the movable clamp is equipped with the elastic guide subassembly in draw-in groove (8), carriage release lever (5) slip cover is established and is clamped the subassembly on the elastic guide.

2. The downhole operation test string according to claim 1, wherein the elastic guide assembly comprises a positioning rod (6) fixedly connected to the left side of the moving rod (5), the left end of the positioning rod (6) extends to the left side of the U-shaped mounting plate (1) and is fixedly connected with an anti-drop block, and a plurality of first springs (7) are fixedly connected between the left side of the moving rod (5) and the inner wall of the left side of the U-shaped mounting plate (1).

3. The downhole operation test string according to claim 1, wherein the elastic clamping assembly comprises a second clamping block (9) movably clamped in the clamping groove (8), a moving block (13) is fixedly connected to the bottom of the second clamping block (9), a rectangular groove (10) is formed in the top end of the moving rod (5), a rectangular rod (11) is slidably mounted in the rectangular groove (10), the left side of the moving block (13) extends into the rectangular groove (10), the top of the moving block (13) is fixedly connected with the bottom end of the rectangular rod (11), a second spring (12) is fixedly connected between the bottom of the moving block (13) and the inner wall of the bottom of the rectangular groove (10), and the top end of the rectangular rod (11) extends to the upper side of the U-shaped mounting plate (1) and is fixedly connected with a pull ring (14).

4. The downhole operation test string according to claim 1, wherein a sealing ring (4) is fixedly bonded to the top end of the second oil pipe (101), and the top of the sealing ring (4) is in movable contact with the bottom of the first oil pipe (100).

5. The downhole operation test string according to claim 1, wherein both sides of the first oil pipe (100) and both sides of the second oil pipe (101) are provided with threaded grooves, both sides of the left and right opposite cutting ferrules (2) close to each other are fixedly connected with threaded blocks (15), and the threaded blocks (15) are in threaded connection with the corresponding threaded grooves.

6. A test string for downhole operation according to claim 2, wherein two grooves are formed on the left inner wall of the U-shaped mounting plate (1), and one side of the first spring (7) away from the moving rod (5) is fixedly connected with the inner wall of the corresponding groove away from the opening.

7. The test oil string for downhole operation according to claim 3, wherein a rectangular perforation is formed on the right inner wall of the rectangular groove (10), and the front inner wall and the rear inner wall of the rectangular perforation are slidably connected with the front side and the rear side of the moving block (13), respectively.