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CN-224231361-U - Drilling fluid sampling device

CN224231361UCN 224231361 UCN224231361 UCN 224231361UCN-224231361-U

Abstract

The utility model discloses a drilling fluid sampling device, which belongs to the technical field of sampling equipment and comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a storage box, one side of the storage box is fixedly connected with a sampling pump, a liquid inlet of the sampling pump is fixedly connected with a sampling pipe, the side wall of the sampling pipe is fixedly connected with a plurality of branch pipes, the branch pipes are distributed at different heights, electromagnetic valves are arranged in the branch pipes, a stirring mechanism is arranged in the storage box and comprises a rotating shaft, a plurality of groups of stirring sheets which are circumferentially arranged are movably connected on the rotating shaft through elastic pieces, and a guide assembly is arranged between the stirring sheets and the inner wall of the storage box. The drilling fluid sampling device has the beneficial effects that the plurality of branch pipes are arranged on the sampling pipe, the opening and the closing of the branch pipes are controlled through the electromagnetic valve, the branch pipes are distributed at different heights and positions of the pipeline, drilling fluid samples at different positions can be collected, then the drilling fluid is mixed and stirred through the stirring mechanism, a representative comprehensive sample is formed, and the representativeness of the sample is improved.

Inventors

  • SHI YUCHUN
  • ZHAO BIN
  • ZHANG HAIHUA
  • LI ZHUO
  • LU YONGSHENG

Assignees

  • 河南金马石油科技有限责任公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (7)

  1. 1. A drilling fluid sampling device comprises a bottom plate (1), a travelling wheel (101) is arranged at the bottom of the bottom plate (1), a pushing handle (102) is fixedly connected to one side of the bottom plate (1), a storage box (2) is fixedly connected to the top of the bottom plate (1), the inside of the storage box (2) is cylindrical, a sampling pump (301) is fixedly connected to one side of the storage box (2), a sampling tube (302) is fixedly connected to a liquid inlet of the sampling pump (301), a balancing weight (303) is fixedly connected to the end of the sampling tube (302), the drilling fluid sampling device is characterized in that a plurality of branch pipes (304) are fixedly connected to the side wall of the sampling tube (302), the branch pipes (304) are distributed at different heights, electromagnetic valves are arranged in the branch pipes (304), a stirring mechanism is arranged in the storage box (2), the stirring mechanism comprises a rotating motor (501) fixedly connected to the top of the storage box (2), the output end of the rotating motor (501) is connected with a rotating shaft (502) through a coupler, the rotating shaft (502) is movably connected with a plurality of guide plates (503) through elastic pieces, a plurality of guide plates (503) are arranged between the stirring plates and the stirring assembly (503), the stirring balance is broken.
  2. 2. The drilling fluid sampling device according to claim 1, wherein the elastic member comprises a spring (504), a mounting chute is formed in the side wall of the rotating shaft (502), the stirring sheet (503) is slidably connected in the mounting chute, and the spring (504) is fixedly connected between the stirring sheet (503) and the mounting chute.
  3. 3. The drilling fluid sampling device according to claim 1, wherein the guide assembly comprises a protrusion (505) fixedly connected to one end of the stirring plate (503) far away from the rotating shaft (502), a limiting groove (506) is formed in the inner wall of the storage box (2), the limiting groove (506) comprises a horizontal section and an arc section, and the protrusion (505) slides in the limiting groove (506).
  4. 4. A drilling fluid sampling apparatus according to claim 1, wherein the stirring plate (503) is inclined.
  5. 5. The drilling fluid sampling device according to claim 1, wherein the outer wall of the rotating shaft (502) is fixedly connected with a plurality of groups of connecting rods (507) which are circumferentially arranged, the other end of each connecting rod (507) is fixedly connected with a scraping strip (508), the scraping strips (508) are tightly attached to the inner wall of the storage box (2), and the scraping strips (508) are arc-shaped.
  6. 6. The drilling fluid sampling device according to claim 1, wherein the outer wall of the sampling tube (302) is slidably connected with a limiting block (401), a jack is formed in the side wall of the limiting block (401), and a supporting plate (402) is inserted into the jack.
  7. 7. The drilling fluid sampling device according to claim 1, wherein a discharge pipe (201) is fixedly connected to the rear side of the storage box (2), and a storage box (6) is fixedly connected to the top of the bottom plate (1).

Description

Drilling fluid sampling device Technical Field The utility model relates to the technical field of sampling equipment, in particular to a drilling fluid sampling device. Background Drilling fluid is a generic term for various circulating fluids that meet the needs of drilling operations during the drilling process in its various functions. Drilling fluid is the blood of a well, also known as a drilling fluid. The drilling fluid can be divided into clear water, slurry, clay-free phase flushing fluid, emulsion, foam, compressed air and the like according to the components, and in oilfield drilling work, the drilling fluid needs to flow back into a slurry tank or a slurry tank through a slurry passing tank and then flow back into the drilling well, and usually needs to be sampled in the slurry passing tank, so that the performance parameters of the drilling fluid are detected. Through retrieving chinese patent publication No. CN222529035U, an oilfield drilling fluid sampling device is disclosed, through setting up feed liquor pipe, valve controller, the operation panel, control switch and valve switch, the valve controller front end is provided with three control switch, three control switch corresponds three stock solution barrels in back respectively, the valve controller lower extreme is provided with the feed liquor pipe, the feed liquor pipe is the liquid that is used for external pipeline extraction mine inside, the valve controller upper end is provided with the operation panel, the operation panel can input the instruction, control opening and closing of valve switch, also can control driving motor, the valve controller rear end is provided with the valve switch, the valve switch corresponds control switch and also is provided with three, the operation panel gives instruction valve controller and will control opening and closing of valve switch. The traditional sampling mode is mainly single-point sampling, drilling fluid components and performances at different depths and different positions can be different, and key information can be omitted in single-point sampling, so that the representativeness of the sampled sample is poor. Disclosure of utility model The utility model aims to solve the problems and provide a drilling fluid sampling device. The utility model realizes the above purpose through the following technical scheme: The utility model provides a drilling fluid sampling device, including the bottom plate, the walking wheel is installed to the bottom of bottom plate, one side fixedly connected with pushing away of bottom plate, the top fixedly connected with bin of bottom plate, the bin is inside cylindric, one side fixedly connected with sampling pump of bin, the inlet fixedly connected with sampling tube of sampling pump, the tip fixedly connected with balancing weight of sampling tube, the lateral wall fixedly connected with of sampling tube a plurality of bleeder, the bleeder distributes in different heights, be provided with the solenoid valve in the bleeder, be provided with rabbling mechanism in the bin, rabbling mechanism includes the rotating electrical machines of fixed connection at the bin top, the output of rotating electrical machines has the rotation axis through the coupling joint, through the stirring piece of elastic component swing joint multiunit circumference setting on the rotation axis, be provided with guide assembly between the inner wall of stirring piece and bin, guide assembly is used for driving stirring piece intermittent type nature reciprocates, break stirring balance. Preferably, the elastic piece comprises a spring, the side wall of the rotating shaft is provided with a mounting chute, the stirring sheet is slidably connected in the mounting chute, and the spring is fixedly connected between the stirring sheet and the mounting chute. Preferably, the guide assembly comprises a protrusion fixedly connected to one end of the stirring blade far away from the rotating shaft, the inner wall of the storage box is provided with a limiting groove, the limiting groove comprises a horizontal section and an arc section, and the protrusion slides in the limiting groove. Preferably, the stirring blade is arranged obliquely. Preferably, the outer wall fixedly connected with multiunit circumference of rotation axis sets up the connecting rod, and the other end fixedly connected with of connecting rod scrapes the strip, scrapes the inner wall that the strip hugged closely the bin, scrapes the strip and be the arc. Preferably, the outer wall of the sampling tube is slidably connected with a limiting block, the side wall of the limiting block is provided with a jack, and a supporting plate is inserted in the jack. Preferably, the rear side of the storage box is fixedly connected with a discharge pipe, and the top of the bottom plate is fixedly connected with a storage box. The drilling fluid sampling device has the beneficial effects that the plurality of branch pipes are arr