CN219101318U

CN219101318U - Sand content detector for oil and gas well

Info

Publication number: CN219101318U
Application number: CN202223360171.4U
Authority: CN
Inventors: 安云恺; 李翠
Original assignee: Langfang Paibolike Science And Trade Co ltd
Current assignee: Langfang Paibolike Science And Trade Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-30
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a sand content detector for an oil-gas well, which comprises a ground and an oil-gas pipeline, wherein the oil-gas pipeline is arranged on the ground, a plurality of fixing bolts are connected to the oil-gas pipeline in a threaded manner, a plurality of sampling ports are formed in the oil-gas pipeline, a sealing mechanism for blocking the sampling ports is arranged on the oil-gas pipeline, a plurality of connecting rods are fixedly connected to the oil-gas pipeline, the detector is suitable for the technical field of oil-gas detection, and compared with the prior method, the problem that the pollution is easy to occur when sample oil gas is transferred for a plurality of times, and the sampling oil gas loses reference value due to improper storage and transportation process of the sample oil gas is solved.

Description

Sand content detector for oil and gas well

Technical Field

The utility model relates to the technical field of oil and gas detection, in particular to an oil and gas well sand content detector.

Background

As well known, oil and gas wells, also called production wells, are wells which are specially used for extracting underground petroleum or natural gas, are drilled in strata according to a certain well distribution system, or are used for oil extraction and gas extraction from other well drilling, and because petroleum and natural gas are deeply buried underground, sand and stones in soil layers can be mixed in the process of drilling and extraction to influence the quality of oil and gas, sand content detection is needed for the extracted oil and gas by using an oil and gas well sand content detector for judging the quality value of the oil and gas and a proper processing method.

The existing method for detecting the sand content of oil gas generally extracts and samples the oil gas extracted from an oil gas well, puts the sampled oil gas into a special sample tank, and then sends the sample tank to a detection place for detection.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an oil and gas well sand content detector, which aims to solve the problems that the prior art provided in the background art is easy to pollute when sample oil gas is transferred for many times, and the sampling oil gas loses reference value due to improper storage and transportation processes of the sampling oil gas.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an oil gas well goes out sand content detector, includes ground and oil gas pipeline, oil gas pipeline sets up subaerial, threaded connection has a plurality of fixing bolt on the oil gas pipeline, and is a plurality of fixing bolt and ground threaded connection have seted up a plurality of selective examination mouths on the oil gas pipeline, be provided with the sealing mechanism who is used for shutoff selective examination mouths on the oil gas pipeline, fixedly connected with a plurality of connecting rods on the oil gas pipeline, a plurality of fixedly connected with accepts the groove ring on the connecting rod, the bottom intercommunication of accepting the groove ring has a plurality of drain pipes, and sealing mechanism's bottom is provided with the centrifugal mechanism who is used for separating oil gas and grit, is provided with the pushing mechanism who is used for shutoff centrifugal mechanism on accepting the groove ring.

In order to seal the oil gas pipeline after sampling oil gas is extracted, preferably, the sealing mechanism comprises a sealing ring, the sealing ring is fixedly connected to the oil gas pipeline, a sealing plate is connected to the sealing ring in a sliding mode, a mounting ring is fixedly connected to the oil gas pipeline, two first motors are mounted on the mounting ring, the output ends of the first motors penetrate through threaded rods fixedly connected to the mounting ring, the sealing plate is in threaded connection with the two threaded rods, and a plurality of discharging pipes are communicated to the sealing ring.

In order to separate out the grit in the sampling oil gas, further, centrifugal mechanism includes two mounting panels, two mounting panel and oil gas pipeline fixed connection install the second motor on the mounting panel, fixedly connected with a plurality of backup pads on the oil gas pipeline, a plurality of fixedly connected with holding ring in the backup pad, sliding connection has the liquid receiving groove on the holding ring, a plurality of centrifugal ports have been seted up on the liquid receiving groove, be provided with the centrifuging tube in the centrifugal port, fixedly connected with ring gear on the liquid receiving groove, the output fixedly connected with gear of second motor, two the gear meshes with the ring gear.

In order to seal when the centrifugal mechanism rotates, still further, the pushing mechanism comprises a plurality of air cylinders, the air cylinders are arranged on the bearing groove ring, and the bottom output ends of the air cylinders are fixedly connected with pushing plugging rings.

In order to detect the velocity of flow of inside oil gas when the oil gas pipeline is sampled, as the further scheme of this scheme, install flow detection warning appearance on the oil gas pipeline.

In order to separate oil gas from corrosion, as a still further proposal of the proposal, protective coatings are arranged on the inner wall of the sealing ring, the inner wall of the bearing groove ring and the inner wall of the liquid receiving groove.

On the basis of the scheme, the centrifuge tube is made of transparent glass, and graduation marks are arranged on the outer wall of the centrifuge tube.

In order to improve the connection strength of the sealing ring and the oil and gas pipeline, the sealing ring is welded on the oil and gas pipeline on the basis of the scheme.

(III) beneficial effects

Compared with the prior art, the utility model provides the oil and gas well sand content detector, which has the following beneficial effects:

according to the utility model, oil gas in the oil gas pipeline is conveniently sampled through the cooperation of the ground, the oil gas pipeline, the fixing bolt and the sealing mechanism, and the sampled oil gas is conveniently subjected to centrifugal treatment through the cooperation of the connecting rod, the bearing groove ring, the liquid discharging pipe, the centrifugal mechanism and the pressing mechanism.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional structure of the oil and gas pipeline and the connecting rod of the utility model;

FIG. 3 is a schematic perspective view of a sealing mechanism according to the present utility model;

FIG. 4 is a schematic perspective view of a centrifugal mechanism according to the present utility model;

fig. 5 is a schematic perspective view of a pressing mechanism in the present utility model.

In the figure: 1. ground surface; 2. an oil and gas pipeline; 3. a fixing bolt; 4. a sealing mechanism; 5. a connecting rod; 6. a receiving groove ring; 7. a liquid discharging pipe; 8. a centrifugal mechanism; 9. a pressing mechanism; 10. a flow detection warning instrument; 401. a seal ring; 402. a sealing plate; 403. a mounting ring; 404. a first motor; 405. a threaded rod; 406. a discharge pipe; 801. a mounting plate; 802. a second motor; 803. a support plate; 804. a support ring; 805. a liquid receiving tank; 806. centrifuging tube; 807. a toothed ring; 808. a gear; 901. a cylinder; 902. the plugging ring is pressed down.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, an oil-gas well sand content detector comprises a ground 1 and an oil-gas pipeline 2, wherein the oil-gas pipeline 2 is arranged on the ground 1, a plurality of fixing bolts 3 are connected to the oil-gas pipeline 2 in a threaded manner, a plurality of sampling ports are formed in the oil-gas pipeline 2, a sealing mechanism 4 for plugging the sampling ports is arranged on the oil-gas pipeline 2, a plurality of connecting rods 5 are fixedly connected to the oil-gas pipeline 2, a receiving groove ring 6 is fixedly connected to the plurality of connecting rods 5, a plurality of liquid pipes 7 are communicated to the bottom end of the receiving groove ring 6, a centrifugal mechanism 8 for separating oil gas and sand is arranged at the bottom end of the sealing mechanism 4, and a pressing mechanism 9 for plugging the centrifugal mechanism 8 is arranged on the receiving groove ring 6.

Referring to fig. 3, the sealing mechanism 4 includes a sealing ring 401, the sealing ring 401 is fixedly connected to the oil and gas pipeline 2, a sealing plate 402 is slidingly connected to the sealing ring 401, a mounting ring 403 is fixedly connected to the oil and gas pipeline 2, two first motors 404 are mounted on the mounting ring 403, an output end of each first motor 404 passes through the mounting ring 403 and is fixedly connected with a threaded rod 405, the sealing plate 402 is in threaded connection with the two threaded rods 405, a plurality of discharging pipes 406 are communicated to the sealing ring 401, and the oil and gas pipeline 2 is conveniently sealed after the oil and gas are sampled.

Referring to fig. 4, the centrifugal mechanism 8 includes two mounting plates 801, the two mounting plates 801 are fixedly connected with the oil and gas pipeline 2, a second motor 802 is mounted on the mounting plates 801, a plurality of support plates 803 are fixedly connected with the oil and gas pipeline 2, a support ring 804 is fixedly connected with the plurality of support plates 803, a liquid receiving groove 805 is slidably connected with the support ring 804, a plurality of centrifugal openings are formed in the liquid receiving groove 805, a centrifugal tube 806 is arranged in the centrifugal openings, a toothed ring 807 is fixedly connected with the liquid receiving groove 805, gears 808 are fixedly connected with the output end of the second motor 802, and the two gears 808 are meshed with the toothed ring 807 so as to facilitate centrifugal separation of sampled oil and gas.

Referring to fig. 5, the pressing mechanism 9 includes a plurality of cylinders 901, the plurality of cylinders 901 are mounted on the receiving groove ring 6, and bottom output ends of the plurality of cylinders 901 are fixedly connected with a pressing plugging ring 902, so that when the centrifugal mechanism 8 rotates and is centrifuged, the centrifugal tube 806 is sealed.

Still further to explain, install flow detection warning appearance 10 on the oil gas pipeline 2, be convenient for observe oil gas flow rate and flow in the oil gas pipeline 2 at any time, all be provided with protective coating on the inner wall of sealing ring 401, on the inner wall of accepting groove ring 6 and on the inner wall of receiving the cistern 805, be convenient for separate oil gas, avoid corroding and cause the damage, centrifuging tube 806 sets up to transparent glass material, be provided with the scale mark on centrifuging tube 806's the outer wall, be convenient for directly observe grit content and record data after the centrifugation, sealing ring 401 welds on oil gas pipeline 2, the welding is not only operated comparatively simply, and joint strength is higher, and life is longer simultaneously.

The flow detection warning device 10, the first motor 404 and the second motor 802 in this embodiment are conventional devices known to those skilled in the art and purchased in the market, and can be selected or customized according to actual needs, in this patent, we only use the flow detection warning device, but do not improve the structure and the function of the flow detection warning device, and the setting mode, the installation mode and the electrical connection mode of the flow detection warning device, so that for those skilled in the art, only the debugging operation is required according to the use specification of the flow detection warning device 10, the first motor 404 and the second motor 802 are not repeated herein, and the installation positions of the control switches are selected according to the actual use requirements, so that the operation control of operators is facilitated.

The flow detection warning device 10 used in the present device is a common device purchased in the market, and detects the flow rate of liquid through a probe, and detects the flowing liquid, and a threshold value can be set.

Firstly, a flow detection warning instrument 10, a first motor 404 and a second motor 802 are installed according to specifications, and are appropriately debugged according to actual demands, when the flow detection warning instrument 10 is used, whether the flow detection warning instrument 10 is suitable for sampling or not is checked, when the flow speed is stable, the first motor 404 is started, the first motor 404 drives the threaded rod 405 to rotate, the sealing plate 402 which is in threaded connection with the threaded rod 405 moves upwards, the sealing plate 402 slides on the sealing ring 401, oil gas flows out of a sampling port and flows into the sealing ring 401, flows out of a discharging pipe 406 into a receiving groove ring 6, flows into a receiving groove 805 along a liquid discharging pipe 7, places a centrifuge tube 806 into a centrifugal port, oil gas flows into the centrifuge tube 806 in the receiving groove 805, a cylinder 901 is started, the output end of the cylinder 901 stretches out, the plugging ring 902 is pushed downwards, the plugging ring 902 is pressed down to be tightly attached to the centrifuge tube 806, the oil gas is prevented from flowing out, the second motor 802 is started, the second motor 802 drives the gear 808 to rotate, the gear 808 is meshed with the toothed ring 807, the toothed ring 807 rotates to drive the receiving groove 805 to rotate on the supporting ring 804, the centrifuge tube 805, the centrifuge tube is driven by the receiving groove 805 to centrifuge tube 806 to flow, the centrifuge tube 806 is started, the centrifuge tube 806 is driven to be centrifuged, the centrifuge tube 806 is started to be placed into the centrifugal tube, the centrifuge tube 806, the sand stone is directly, the sand stone is pushed into the centrifuge tube, and the sand is directly measured, and the numerical value is completely after the measurement is recorded.

In this application, pushing down the plugging ring 902 only plays a sealing role on the centrifuge tube 806 before and at the beginning of centrifugation, and when centrifugation is in progress, the centrifugal force can make the oil gas hug closely at the centrifuge tube 806, and the oil gas can not leak.

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

Claims

1. The utility model provides an oil gas well goes out sand content detector, includes ground (1), its characterized in that still includes:

the oil-gas pipeline (2) is arranged on the ground (1), a plurality of fixing bolts (3) are connected to the oil-gas pipeline (2) in a threaded mode, and the fixing bolts (3) are connected with the ground (1) in a threaded mode;

a plurality of sampling inspection ports are formed in the oil gas pipeline (2), a sealing mechanism (4) for blocking the sampling inspection ports is arranged on the oil gas pipeline (2), a plurality of connecting rods (5) are fixedly connected to the oil gas pipeline (2), a plurality of receiving groove rings (6) are fixedly connected to the connecting rods (5), and a plurality of liquid discharging pipes (7) are communicated with the bottom ends of the receiving groove rings (6);

the bottom of the sealing mechanism (4) is provided with a centrifugal mechanism (8) for separating oil gas and sand, and the receiving groove ring (6) is provided with a pressing mechanism (9) for blocking the centrifugal mechanism (8).

2. The oil and gas well sand content detector according to claim 1, wherein the sealing mechanism (4) comprises a sealing ring (401), the sealing ring (401) is fixedly connected to the oil and gas pipeline (2), a sealing plate (402) is slidingly connected to the sealing ring (401), a mounting ring (403) is fixedly connected to the oil and gas pipeline (2), two first motors (404) are mounted on the mounting ring (403), an output end of the first motors (404) penetrates through the mounting ring (403) and is fixedly connected with a threaded rod (405), the sealing plate (402) is in threaded connection with the two threaded rods (405), and a plurality of discharging pipes (406) are communicated to the sealing ring (401).

3. The oil and gas well sand content detector according to claim 2, characterized in that the centrifugal mechanism (8) comprises two mounting plates (801), two mounting plates (801) are fixedly connected with an oil and gas pipeline (2), a second motor (802) is mounted on each mounting plate (801), a plurality of support plates (803) are fixedly connected with each oil and gas pipeline (2), a plurality of support rings (804) are fixedly connected with each support plate (803), a liquid receiving groove (805) is slidingly connected with each support ring (804), a plurality of centrifugal openings are formed in each liquid receiving groove (805), centrifugal tubes (806) are arranged in the centrifugal openings, toothed rings (807) are fixedly connected to each liquid receiving groove (805), gears (808) are fixedly connected to the output ends of the second motors (802), and the two gears (808) are meshed with the toothed rings (807).

4. The oil and gas well sand content detector according to claim 3, wherein the pressing mechanism (9) comprises a plurality of cylinders (901), the plurality of cylinders (901) are installed on the bearing groove ring (6), and bottom output ends of the plurality of cylinders (901) are fixedly connected with pressing plugging rings (902).

5. The oil and gas well sand content detector according to claim 4, wherein a flow detection warning instrument (10) is installed on the oil and gas pipeline (2).

6. The oil and gas well sand content detector according to claim 5, wherein protective coatings are arranged on the inner wall of the sealing ring (401), the inner wall of the receiving groove ring (6) and the inner wall of the liquid receiving groove (805).

7. The oil and gas well sand content detector according to claim 6, wherein the centrifuge tube (806) is made of transparent glass, and graduation marks are arranged on the outer wall of the centrifuge tube (806).

8. The oil and gas well sand content detector according to claim 7, wherein the sealing ring (401) is welded on the oil and gas pipeline (2).