CN212583687U - High efficiency electrodynamic type high pressure drilling sampler in pit - Google Patents

Abstract

The utility model discloses a sampler in pit of high efficiency electrodynamic type high-pressure drilling, including the sampler barrel, the spacing groove has been seted up to one side of sampler barrel inner wall, the inside movable mounting of spacing groove has the limiting plate, the bottom fixed mounting of limiting plate has the depression bar, the bottom fixed mounting of depression bar has the clamp plate, the spout has all been seted up to the both sides of sampler barrel inner wall, the bar groove has all been seted up to the both sides of set-square, spacing hole has all been seted up to the both sides of sampler barrel inner wall, the inside movable mounting in spacing hole has the gag lever post, one side fixed mounting of gag lever post has the baffle, one side. Through setting up set-square, bar groove, clamp plate, depression bar, baffle, jam piece, expanding spring and connecting rod, replace traditional mechanical type sampler, can free control time, improve the sample success rate, through setting up driving motor, rotary drum and conductivity cable, put into the pit with the sampling tube, the conductivity cable replaces traditional steel wire, controls the length of conductivity cable according to the degree of depth of well.

Description

High efficiency electrodynamic type high pressure drilling sampler in pit

Technical Field

The utility model belongs to the technical field of sample in the pit, concretely relates to high efficiency electrodynamic type high-pressure drilling sampler in pit.

Background

With the continuous deep development of oil field development technology, the oil industry in China pays more and more attention to the true and reliable state of oil and gas samples for exploration and development of oil and gas wells, and the acquisition of the first-hand true and effective oil and gas sample data is of great importance to contemporary oil people.

Conventional underground high-pressure physical property sampling adopts mechanical clock control, is carried by the steel wire, often meets many uncertain factors and influences, for example because the well head prevents that equipment pressure testing is unqualified, well condition delays the steel wire time of going into, and flow pressure or moisture content are unstable etc. in the pit, the underground sampling instrument has not gone into to predetermined sampling depth yet, and the clock has arrived preset sampling time, has got unqualified sample passively when failing to satisfy the sampling condition, leads to the sample success rate low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high efficiency electrodynamic type high-pressure drilling is sampler in pit to solve and to propose a current sampler in the pit in the above-mentioned background art in the use, because conventional high pressure rerum natura sample in the pit adopts mechanical clock control, often touch a lot of uncertain factor influences, thereby cause the sample instrument in the pit not yet go into to predetermined sampling depth, the clock has arrived and has predetermine the sample time, unqualified sample has been got passively when failing to satisfy the sampling condition, lead to the problem that the sample success rate is low.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sampler in pit of high efficiency electrodynamic type high-pressure drilling, includes the sampler barrel, the spacing groove has been seted up to one side of sampler barrel inner wall, the inside movable mounting of spacing groove has the limiting plate, the bottom fixed mounting of limiting plate has the depression bar, the bottom fixed mounting of depression bar has the clamp plate, the spout has all been seted up to the both sides of sampler barrel inner wall, the inside movable mounting of spout has the set-square, the bar groove has all been seted up to the both sides of set-square, spacing hole has all been seted up to the both sides of sampler barrel inner wall, the inside movable mounting in spacing hole has the gag lever post, one side fixed mounting of gag lever post has the baffle, one side fixed mounting.

Preferably, a fixed hook is fixedly mounted at the top of the sampling tube, a conductive cable is sleeved outside the fixed hook, and a rotary tube is fixedly mounted on one side, far away from the fixed hook, of the conductive cable.

Preferably, a driving motor is fixedly installed on one side of the rotating cylinder, and the rotating cylinder is fixedly connected with the driving end of the driving motor.

Preferably, one end of the limiting plate is sleeved with a screw, the top of the screw is fixedly provided with an electric motor, and the screw is fixedly connected with the driving end of the electric motor.

Preferably, one side fixed mounting that the connecting rod was kept away from to the baffle has the jam piece, one side fixed mounting that the connecting rod was kept away from to the baffle has expanding spring, one side that expanding spring kept away from the baffle and the inner wall fixed connection of sampling tube.

Preferably, the top of the connecting rod is movably arranged in the strip-shaped groove.

Preferably, sampling ports are formed in two sides of the sampling cylinder, the sampling ports are matched with the specification and the size of the blocking block, and the weighting block is fixedly mounted at the bottom of the sampling cylinder.

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

1. through setting up set-square, bar groove, clamp plate, depression bar, baffle, stifled chock, expanding spring and connecting rod, the fluid in shaft bottom passes through the sample connection and exerts pressure to stifled chock and baffle, cooperatees with expanding spring, makes the sample connection open completely, after the sample, makes the sample connection close completely through electric motor, replaces traditional mechanical type sampler, can free control time, improves the success rate of taking a sample.

2. Through setting up driving motor, rotary drum and conductibility cable, put into the pit with the sampling tube, the conductibility cable replaces traditional steel wire, controls the length of conductibility cable according to the degree of depth of well, through setting up spacing hole and gag lever post, carries on spacingly to the position that the baffle removed, avoids the too much removal of baffle to guarantee the stable removal of baffle.

Drawings

FIG. 1 is a schematic view of the internal structure of the device before and after sampling;

fig. 2 is a schematic enlarged partial structural diagram of a of the present invention;

FIG. 3 is a schematic view of the internal structure of the device in the sampling process of the present invention;

fig. 4 is a schematic diagram of a local enlarged structure B of the present invention.

In the figure: 1. a sampling tube; 2. a fixed hook; 3. a conductive cable; 4. a rotating drum; 5. a drive motor; 6. a limiting groove; 7. a limiting plate; 8. a screw; 9. an electric motor; 10. a pressure lever; 11. pressing a plate; 12. a chute; 13. a set square; 14. a strip-shaped groove; 15. a limiting hole; 16. a limiting rod; 17. a baffle plate; 18. a plugging block; 19. a tension spring; 20. a connecting rod; 21. a sampling port; 22. and (4) increasing the weight.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sampler in pit of high efficiency electrodynamic type high-pressure drilling, including sampler barrel 1, spacing groove 6 has been seted up to one side of 1 inner wall of sampler barrel, the inside movable mounting of spacing groove 6 has limiting plate 7, the bottom fixed mounting of limiting plate 7 has depression bar 10, the bottom fixed mounting of depression bar 10 has clamp plate 11, spout 12 has all been seted up to the both sides of 1 inner wall of sampler barrel, the inside movable mounting of spout 12 has set-square 13, bar groove 14 has all been seted up to set-square 13's both sides, spacing hole 15 has all been seted up to the both sides of 1 inner wall of sampler barrel, the inside movable mounting of spacing hole 15 has gag lever post 16, one side fixed mounting of gag lever post 16 has baffle 17, one side.

In this embodiment, through setting up limiting plate 7, depression bar 10, clamp plate 11, set-square 13, bar groove 14, baffle 17 and connecting rod 20, replace traditional mechanical type sampler, can free control time, improve the success rate of taking a sample.

Specifically, the top fixed mounting of sampler barrel 1 has fixed hook 2, and the conductivity cable 3 has been cup jointed to the outside of fixed hook 2, and one side fixed mounting that conductivity cable 3 kept away from fixed hook 2 has rotary drum 4.

In this embodiment, the sampling tube 1 is placed downhole by using the conductive cable 3, and the conductive cable 3 replaces the conventional steel wire, so that the length of the conductive cable 3 can be controlled according to the depth of the well.

Specifically, a driving motor 5 is fixedly installed on one side of the rotary drum 4, and the rotary drum 4 is fixedly connected with the driving end of the driving motor 5.

In this embodiment, the driving motor 5 is used as a driving device to achieve the effect of automatic operation.

Specifically, a screw 8 is sleeved at one end of the limiting plate 7, an electric motor 9 is fixedly mounted at the top of the screw 8, and the screw 8 is fixedly connected with the driving end of the electric motor 9.

In this embodiment, the electric motor 9 rotates the screw 8, and the stopper plate 7 moves up and down by the stopper groove 6, thereby moving the pressing rod 10 and the pressing plate 11 up and down.

Specifically, one side of the baffle 17 far away from the connecting rod 20 is fixedly provided with a blocking block 18, one side of the baffle 17 far away from the connecting rod 20 is fixedly provided with a telescopic spring 19, and one side of the telescopic spring 19 far away from the baffle 17 is fixedly connected with the inner wall of the sampling tube 1.

In this embodiment, the sampling port 21 is blocked by the blocking block 18, and in the sampling process, the fluid at the bottom of the well applies pressure to the blocking block 18 to open the sampling port 21, so that the sampling port 21 can be opened completely when the fluid is matched with the expansion spring 19, and the fluid flows into the sampling cylinder 1.

Specifically, the top of the connecting rod 20 is movably mounted inside the strip-shaped groove 14.

In this embodiment, the connecting rod 20 is connected to the triangular plate 13 through the strip-shaped groove 14, and when the pressing plate 11 applies pressure to the triangular plate 13, the triangular plate 13 moves along with the connecting rod 20, so that the well sampling port 21 of the plugging block 18 is closed.

Specifically, sampling port 21 has all been seted up to the both sides of sampler barrel 1, and sampling port 21 and the specification and dimension looks adaptation that blocks up piece 18, the bottom fixed mounting of sampler barrel 1 has weight increasing piece 22.

In this embodiment, the plugging block 18 is used to completely close the sampling port 21, so as to block the flow direction of the fluid, and the weight increasing block 22 is used to make the sampling tube 1 move toward the inside of the well bottom better.

The utility model discloses a theory of operation and use flow: before use, the driving motor 5 and the electric motor 9 are powered on, before going down the well, the pressure plate 11 is pressed against the top of the triangular plate 13, the sampling port 21 is blocked by the blocking block 18, the driving motor 5 is started, the rotary drum 4 rotates, the rotary drum 4 emits the conductive cable 3, the sampling cylinder 1 falls into the well, when the sampling cylinder 1 is positioned in fluid at the bottom of the well, the electric motor 9 is started, the electric motor 9 drives the screw rod 8 to rotate, the limiting plate 7 moves upwards under the action of the limiting groove 6 and drives the pressure rod 10 to move upwards, the pressure rod 10 drives the pressure plate 11 to move upwards, the pressure plate 11 does not press against the triangular plate 13 any more at the moment, the expansion spring 19 plays a pressing role on the baffle 17 to move the baffle 17 inwards, meanwhile, the fluid at the bottom of the well also applies pressure to the blocking block 18 and the baffle 17 through the sampling port 21, so that the sampling port 21 is completely opened, when the baffle 17 moves, the limiting rod 16 also moves along with the baffle 17, so that the stable movement of the baffle 17 is ensured, when the baffle 17 moves inwards, the connecting rod 20 slides in the strip-shaped groove 14 and jacks up the triangular plate 13, after the liquid sampling is completed, the electric motor 9 is started again, the pressing plate 11 moves downwards, the sampling opening 21 is blocked again by the blocking block 18, the sampling cylinder 1 is pulled up by the conductive cable 3, and then the fluid in the sampling cylinder 1 is detected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high efficiency electrodynamic type high pressure drilling down-hole sampler, includes sampler barrel (1), its characterized in that: spacing groove (6) have been seted up to one side of sampler barrel (1) inner wall, the inside movable mounting of spacing groove (6) has limiting plate (7), the bottom fixed mounting of limiting plate (7) has depression bar (10), the bottom fixed mounting of depression bar (10) has clamp plate (11), spout (12) have all been seted up to the both sides of sampler barrel (1) inner wall, the inside movable mounting of spout (12) has set-square (13), bar groove (14) have all been seted up to the both sides of set-square (13), spacing hole (15) have all been seted up to the both sides of sampler barrel (1) inner wall, the inside movable mounting of spacing hole (15) has gag lever post (16), one side fixed mounting of gag lever post (16) has baffle (17), one side fixed mounting of baffle (17) has connecting rod (20).

2. A high efficiency, electrically operated, high pressure drilling down hole sampler as claimed in claim 1, wherein: the top fixed mounting of sampling tube (1) has fixed hook (2), conductive cable (3) have been cup jointed to the outside of fixed hook (2), one side fixed mounting that conductive cable (3) kept away from fixed hook (2) has rotary drum (4).

3. A high efficiency, electrically operated, high pressure drilling down hole sampler as claimed in claim 2, wherein: one side fixed mounting of rotary drum (4) has driving motor (5), rotary drum (4) and driving end fixed connection of driving motor (5).

4. A high efficiency, electrically operated, high pressure drilling down hole sampler as claimed in claim 1, wherein: the screw rod (8) is sleeved at one end of the limiting plate (7), the electric motor (9) is fixedly mounted at the top of the screw rod (8), and the screw rod (8) is fixedly connected with the driving end of the electric motor (9).

5. A high efficiency, electrically operated, high pressure drilling down hole sampler as claimed in claim 1, wherein: one side fixed mounting that connecting rod (20) were kept away from in baffle (17) has jam block (18), one side fixed mounting that connecting rod (20) were kept away from in baffle (17) has expanding spring (19), one side that baffle (17) were kept away from in expanding spring (19) and the inner wall fixed connection of sampler barrel (1).

6. A high efficiency, electrically operated, high pressure drilling down hole sampler as claimed in claim 1, wherein: the top of the connecting rod (20) is movably arranged in the strip-shaped groove (14).

7. A high efficiency, electrically operated, high pressure drilling down hole sampler as claimed in claim 1, wherein: sampling ports (21) are formed in two sides of the sampling tube (1), the sampling ports (21) are matched with the specification and size of the blocking block (18), and a weight increasing block (22) is fixedly mounted at the bottom of the sampling tube (1).

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