Oil well gas detection device for oil exploration

Abstract

The utility model relates to the field of oil exploration, in particular to an oil well gas detection device for oil exploration, which comprises a supporting plate, a lifting block and a gas detector, a connecting clamping piece is fixedly mounted at the rear end of the gas detector, locking holes are formed in the left side and the right side of the upper end of the connecting clamping piece, and a mounting seat is fixedly mounted at the front end of the lifting block. Locking insertion rods are arranged on the left side and the right side in the mounting base, connecting rings are fixedly mounted on the surfaces of the locking insertion rods, and reset springs are arranged on the surfaces, located on the upper sides of the connecting rings, of the locking insertion rods; the connecting pull rod is pulled, the connecting plate is used for driving the locking insertion rod to move upwards, so that the locking insertion rod is far away from the locking hole, the locking of the connecting clamping piece is relieved, the connecting clamping piece and the gas detector are conveniently taken out from the mounting seat, the detection structure and the lifting structure are rapidly separated, and the gas detector is further cleaned and maintained; the disassembly and assembly operation mode between the structures is optimized through bolt connection.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of petroleum exploration especially relates to oil well gas detection device of petroleum exploration. BACKGROUND

[0002] Petroleum exploration refers to a series of geological survey, geophysical exploration and drilling activities for finding and identifying oil and gas resources. Its purpose is to understand the underground geological conditions by using various exploration means, to understand the conditions of oil generation, oil storage, oil and gas migration, accumulation and preservation, to comprehensively evaluate oil and gas prospect, to determine the favorable area of oil and gas accumulation, to find the trap of oil and gas, and to explore the area and output capacity of oil and gas field. The importance of petroleum exploration lies in that it is the first key link of oil and gas exploitation, which provides basic data and support for subsequent oil and gas development. Through petroleum exploration, the underground geological structure can be better understood, the distribution and reserves of oil and gas resources can be evaluated, and the subsequent exploitation work can be guided. An oil well gas detection device is used in the process of petroleum exploration to monitor the gas content in the oil well in real time, so as to ensure the safety of the oil well.

[0003] For example, patent number (CN106404859B) discloses an oil well gas detection device for petroleum exploration, which comprises two guide rods, a gas detection mechanism and a fixed support arranged at the top of the two guide rods. A driving motor is arranged on the fixed support. Limiting rods are arranged on both sides of the gas detection mechanism. The gas detection mechanism is connected with the guide rods through the limiting rods. In the oil well gas detection device for petroleum exploration, the two guide rods are deeply inserted into the interior of the oil well, and the gas detection mechanism is fixed between the two guide rods by the limiting rods. The driving motor controls the up and down movement of the gas detection mechanism, which improves the practicability of the gas detection device. Furthermore, in the gas collection circuit, the detection data of the gas sensor is accurately measured by the first operational amplifier and the second operational amplifier, so that the accurate detection of the gas is ensured, the production cost is greatly reduced, and the market competitiveness of the detection device is improved.

[0004] At present, the oil well gas detection device for petroleum exploration has certain limitations in the connection structure, which leads to the laborious disassembly and assembly of the detection structure and the lifting structure, and further affects the convenience of cleaning and maintenance of the detection structure. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the disassembly and assembly of the detection structure and the lifting structure are laborious when the oil well gas detection device is used, and further affect the convenience of cleaning and maintenance of the detection structure.

[0006] The technical scheme of the utility model discloses: petroleum exploration's oil well gas detection device, including support plate still include lifting block and gas detection appearance, the rear end fixed mounting of gas detection appearance has connecting fastener, the left and right sides of connecting fastener upper end all are provided with locking hole, the front end fixed mounting of lifting block has mounting seat, the left and right sides of mounting seat inside all are provided with locking insertion rod, the surface fixed mounting of locking insertion rod has connecting ring, the surface of locking insertion rod is located the upside of connecting ring and is provided with reset spring, the upper end of locking insertion rod extends to the outside fixed mounting of mounting seat and has connecting plate, the inside fixed mounting of support plate has mounting bracket, the upper end fixed mounting of mounting bracket has drive motor, the output fixed mounting of drive motor extends to the inside of mounting bracket and has screw rod, the left and right sides of mounting bracket inside located screw rod all are fixedly installed with connecting slide bar, the side fixed mounting of support plate lower extreme has support leg, the surface fixed mounting of support plate has reinforcing slot, and the inside of reinforcing slot is provided with reinforcing pile.

[0007] Preferably, the connecting pull rod can be pulled to move the connecting plate to move the locking insertion rod upward, the locking insertion rod can be away from the locking hole, the connecting fastener and the gas detection appearance can be taken out from the mounting seat, the gas detection appearance can be further cleaned and maintained, the support plate can be erected on the oil well, the support equipment can be conveniently supported as a whole, the reinforcing pile can be inserted into the ground through the reinforcing slot, the stability of the equipment during operation can be improved, the drive motor can drive the screw rod to rotate, the lifting block can move the gas detection appearance, the connecting slide bar can assist the lifting movement of the gas detection appearance, and the stability of the equipment during operation can be improved.

[0008] Preferably, the lower end of the locking insertion rod extends to the inside of the locking hole and is connected with the locking bolt, and the locking insertion rod and the connecting ring are slidably connected with the mounting seat.

[0009] Preferably, the connecting fastener is connected with the mounting seat in a clamping mode, and the upper end of the connecting plate is fixedly provided with a connecting pull rod.

[0010] Preferably, one end of the reset spring is fixedly connected with the mounting seat, and the other end of the reset spring is fixedly connected with the connecting ring.

[0011] Preferably, the output of the drive motor is rotationally connected with the mounting bracket, and the lower end of the screw rod is rotationally connected with the mounting bracket.

[0012] Preferably, the surface of the screw rod is threadedly connected with the lifting block, and the surface of the connecting slide bar is slidably connected with the lifting block.

[0013] Preferably, the support leg and the reinforcing slot are arranged in an annular array, and the reinforcing pile is adapted to the reinforcing slot.

[0014] The utility model discloses the beneficial effect:

[0015] The petroleum exploration oil well gas detection device, pulls the connecting pull rod, drives the locking plug rod to move upward by the connecting plate, makes the locking plug rod away from the locking hole, releases the locking of the connecting clamping piece, conveniently takes out the connecting clamping piece and the gas detector from the mounting seat, quickly separates the detection structure and the lifting structure, further cleans and maintains the gas detector, and the bolt connection optimization structure is beneficial to improving the convenience of the petroleum exploration oil well gas detection device, further improves the convenience of cleaning and maintenance, supports the support plate on the oil well, supports the support foot, and selects the installation reinforcing pile according to the specific geological conditions, inserts the reinforcing pile into the ground through the reinforcing slot, and is beneficial to improving the stability of the whole equipment during work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the petroleum exploration oil well gas detection device of the utility model is shown.

[0017] Figure 2 A three-dimensional structure schematic diagram of the mounting seat of the utility model is shown. Figure 1 ;

[0018] Figure 3 A three-dimensional structure schematic diagram of the mounting seat of the utility model is shown. Figure 2 ;

[0019] Figure 4 A three-dimensional structure schematic diagram of the mounting frame of the utility model is shown.

[0020] Figure 5 A three-dimensional structure schematic diagram of the support plate of the utility model is shown.

[0021] The reference signs are as follows: 1, support plate; 2, lifting block; 3, gas detector; 4, connecting clamping piece; 5, locking hole; 6, mounting seat; 7, locking plug rod; 8, connecting ring; 9, return spring; 10, connecting plate; 11, mounting frame; 12, driving motor; 13, threaded rod; 14, connecting sliding rod; 15, support foot; 16, reinforcing slot; 17, reinforcing pile; 18, connecting pull rod. DETAILED DESCRIPTION

[0022] The utility model will be further explained in combination with the drawings and examples.

[0023] Please refer to Figures 1-5The utility model provides an embodiment: petroleum exploration's oil well gas detection device, including support plate 1 still include lifting block 2 and gas detection appearance 3, the rear end fixed mounting of gas detection appearance 3 has connecting clamp 4, the left and right sides of connecting clamp 4 upper end all are seted up locking hole 5, the front end fixed mounting of lifting block 2 has mounting seat 6, the left and right sides of mounting seat 6 inside all are provided with locking insertion rod 7, the surface fixed mounting of locking insertion rod 7 has connecting ring 8, the surface of locking insertion rod 7 is located the upside of connecting ring 8 and is provided with reset spring 9, the upper end of locking insertion rod 7 extends to the outside fixed mounting of mounting seat 6 and has connecting plate 10, the inside fixed mounting of support plate 1 has mounting bracket 11, the upper end fixed mounting of mounting bracket 11 has drive motor 12, the output of drive motor 12 extends to the inside fixed mounting of mounting bracket 11 and has screw rod 13, the left and right sides of mounting bracket 11 inside at screw rod 13 all are fixedly installed and have connecting slide 14, the side fixed mounting of support plate 1 lower end has support leg 15, the surface fixed mounting of support plate 1 has reinforcing slot 16, the inside of reinforcing slot 16 is provided with reinforcing pile 17, pull connecting pull rod 18 upwards, utilize connecting plate 10 to drive locking insertion rod 7 to move upwards, make locking insertion rod 7 away from locking hole 5, conveniently take out connecting clamp 4 and gas detection appearance 3 from mounting seat 6, further clean and maintain work is carried out to gas detection appearance 3, set up support plate 1 on oil well, cooperate support leg 15 and support, and according to the specific geological condition selects to install reinforcing pile 17, passes through reinforcing slot 16 and inserts reinforcing pile 17 into the ground.

[0024] Please refer to Figures 1-3 In the embodiment, the lower end of the locking insertion rod 7 extends to the inside of the locking hole 5 and is connected with the locking hole 5 by a bolt, the locking insertion rod 7 and the connecting ring 8 are both connected with the mounting seat 6 by sliding, the connecting clamp 4 is connected with the mounting seat 6 by clamping, the upper end of the connecting plate 10 is fixedly installed with the connecting pull rod 18, one end of the reset spring 9 is fixedly connected with the mounting seat 6, the other end of the reset spring 9 is fixedly connected with the connecting ring 8, the connecting pull rod 18 is pulled upwards, the connecting plate 10 drives the locking insertion rod 7 to move upwards, so that the locking insertion rod 7 is away from the locking hole 5, the connecting clamp 4 and the gas detection appearance 3 are conveniently taken out from the mounting seat 6, further cleaning and maintenance work is carried out to the gas detection appearance 3, the bolt connection optimizes the disassembly and assembly mode between the structures, which is beneficial to improve the convenience of the oil well gas detection device for petroleum exploration, and further improves the convenience of cleaning and maintenance work.

[0025] Please refer to Figure 1 , Figure 4 and Figure 5In the embodiment, the output end of the driving motor 12 is rotationally connected with the mounting frame 11, the lower end of the threaded rod 13 is rotationally connected with the mounting frame 11, the surface of the threaded rod 13 is threadedly connected with the lifting block 2, the surface of the connecting slide rod 14 is slidingly connected with the lifting block 2, the support feet 15 and the reinforcing slots 16 are arranged in a ring array, the reinforcing piles 17 are matched with the reinforcing slots 16, the support plate 1 is erected on the oil well, is supported in cooperation with the support feet 15, the reinforcing piles 17 are selected and installed according to the specific geological conditions, the reinforcing piles 17 are inserted into the ground through the reinforcing slots 16, the stability of the whole equipment during work is improved, the lifting block 2 drives the gas detector 3 to move downward by rotating the threaded rod 13 driven by the driving motor 12, and the oil well gas detection work of the gas detector 3 is facilitated.

[0026] When working, the connecting pull rod 18 is pulled upward, the connecting plate 10 drives the locking plug rod 7 to move upward, the locking plug rod 7 is away from the locking hole 5, the connecting clamping piece 4 and the gas detector 3 are taken out of the mounting seat 6, the gas detector 3 is further cleaned and maintained, the disassembly and assembly operation mode between the structures is optimized by the bolt connection, the convenience of cleaning and maintenance work is improved, the support plate 1 is erected on the oil well, is supported in cooperation with the support feet 15, the reinforcing piles 17 are selected and installed according to the specific geological conditions, the reinforcing piles 17 are inserted into the ground through the reinforcing slots 16, the lifting block 2 drives the gas detector 3 to move downward by rotating the threaded rod 13 driven by the driving motor 12, and the oil well gas detection work of the gas detector 3 is facilitated.

[0027] Through the above steps, the connecting pull rod 18 is pulled upward, the connecting plate 10 drives the locking plug rod 7 to move upward, the locking plug rod 7 is away from the locking hole 5, the connecting clamping piece 4 and the gas detector 3 are taken out of the mounting seat 6, the gas detector 3 is further cleaned and maintained, so as to solve the problem that the detection structure and the lifting structure are difficult to disassemble and assemble when the oil well gas detection device is used, and further improve the convenience of cleaning and maintenance work of the detection structure.

Claims

1. A gas detection device for oil wells in petroleum exploration, comprising a support plate (1), characterized in that: It also includes a lifting block (2) and a gas detector (3). A connecting clip (4) is fixedly installed at the rear end of the gas detector (3). Locking holes (5) are provided on both the left and right sides of the upper end of the connecting clip (4). A mounting base (6) is fixedly installed at the front end of the lifting block (2). Locking rods (7) are provided on both the left and right sides inside the mounting base (6). A connecting ring (8) is fixedly installed on the surface of the locking rod (7). A return spring (9) is provided on the surface of the locking rod (7) above the connecting ring (8). A connecting rod (9) is fixedly installed on the upper end of the locking rod (7) extending to the outside of the mounting base (6). A mounting bracket (11) is fixedly installed on the inner side of the plate (10) and the support plate (1). A drive motor (12) is fixedly installed on the upper end of the mounting bracket (11). A threaded rod (13) is fixedly installed on the inner side of the mounting bracket (11) extending to the inner side of the mounting bracket (11). A connecting slide rod (14) is fixedly installed on both the left and right sides of the threaded rod (13) on the inner side of the mounting bracket (11). A support foot (15) is fixedly installed on the lower side of the support plate (1). A reinforcing slot (16) is fixedly installed on the surface of the support plate (1). A reinforcing pile (17) is provided on the inner side of the reinforcing slot (16).

2. The oil well gas detection device for petroleum exploration according to claim 1, characterized in that: The lower end of the locking rod (7) extends to the inside of the locking hole (5) and is connected to the locking hole (5) pin. Both the locking rod (7) and the connecting ring (8) are slidably connected to the mounting base (6).

3. The oil well gas detection device for petroleum exploration according to claim 2, characterized in that: The connecting clip (4) engages with the mounting base (6), and the connecting rod (18) is fixedly installed on the upper end of the connecting plate (10).

4. The oil well gas detection device for petroleum exploration according to claim 3, characterized in that: One end of the return spring (9) is fixedly connected to the mounting base (6), and the other end of the return spring (9) is fixedly connected to the connecting ring (8).

5. The oil well gas detection device for petroleum exploration according to claim 1, characterized in that: The output end of the drive motor (12) is rotatably connected to the mounting bracket (11), and the lower end of the threaded rod (13) is rotatably connected to the mounting bracket (11).

6. The oil well gas detection device for petroleum exploration according to claim 5, characterized in that: The surface of the threaded rod (13) is threadedly connected to the lifting block (2), and the surface of the connecting slide rod (14) is slidably connected to the lifting block (2).

7. The oil well gas detection device for petroleum exploration according to claim 1, characterized in that: The support feet (15) and the reinforcing slots (16) are arranged in a ring array, and the reinforcing piles (17) and the reinforcing slots (16) are compatible with each other.

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