CN209878713U - Oil recovery well head hydrogen sulfide detects instrument - Google Patents

Abstract

The utility model discloses an oil extraction well mouth hydrogen sulfide detection tool, which comprises a sampling pipeline, a detection box body, a separation plate, a baffle frame, an exhaust pipe, an air inlet, a detection box, a support frame and a detection cavity, the detection box body is divided into an isolated upper structure and a lower structure, the inside of the detection box body forms a communicated detection cavity, the support frame is arranged on the top surface of the detection box body, the mounting point at the lower end of the fixed rod is fixed and unchanged, the lifting rope U-shaped clamp is clamped at the notch grooves at the two sides reserved by the partition plate, the support frame has limiting and certain supporting performance, the mounting column at the top is vertical, and the structure is unchanged, can hold the space of location axle installation through the column casing formation, the leakproofness that the sealed pad that inside was equipped with can effectively improve the structure, and the perpendicular butt joint peg of monomer lifting rope has improved the support nature, and both sides equilibrium stability is better when the box moves down, can effectively improve the safety when detecting the operation.

Description

Oil recovery well head hydrogen sulfide detects instrument

Technical Field

The utility model relates to an oil development technical field, concretely relates to oil recovery well head hydrogen sulfide detection instrument.

Background

The problem that the hydrogen sulfide gas that overflows at the well head diffuses in the atmosphere and is difficult to detect in the drilling process is solved, the hydrogen sulfide gas is easy to accumulate in the square well, and the operation is carried out through the hydrogen sulfide detection sensing device, so that the concentration of the hydrogen sulfide can be detected more accurately.

The prior art discloses the application numbers as follows: CN201520084127.6, the oil recovery wellhead hydrogen sulfide detection tool comprises: the box, the baffle, the inlet line, gas-liquid separation, the cork, detector rubber tube and detector etc, the utility model discloses an inside cavity that is equipped with of box, separate the cavity for mutually independent separating chamber and detection room through the baffle, gas-liquid separation sets up in the separating chamber, the detector passes the cork through the detector rubber tube and stretches into the indoor detection hydrogen sulfide gas concentration that detects of detection, in the testing process, hydrogen sulfide gas is sealed in the detection chamber by the cork, avoid being diluted by the air, make detector detection data accurate, thereby avoided leading to the precaution measure that operating personnel made because of the detection data is inaccurate among the prior art not in place, cause serious corrosion to metal facilities, and when oil gas takes place to leak, can cause the problem that personnel's serious poisoning accident takes place. However, the method has the defects that the effective distance of the box falling oil well influences the precision of detection data, supporting points are concentrated on one point when the box is hung, and the box is easy to shake when moving downwards.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an oil recovery well head hydrogen sulfide detects instrument to the effective distance who solves box whereabouts oil well influences the precision that detects data, and the strong point is concentrated a bit when hanging to connect, leads to the problem that the box rocked when moving down easily.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a detection tool for hydrogen sulfide at an oil extraction well mouth structurally comprises a sampling pipeline, a detection box body, a separation plate, a blocking frame, an exhaust pipe, an air inlet, a detection box, a support frame and a detection cavity, wherein the detection box body is divided into an isolated upper structure and a lower structure, the detection box body is internally provided with the detection cavity communicated with each other, the detection box body is provided with the detection box connected through a rubber pipe, the detection box body is internally provided with the sampling pipeline communicated with each other from top to bottom, the detection box body is internally provided with the blocking frame with a fixed installation position, a ventilation space is reserved between the separation plate and the mounting surface of the blocking frame, the position of the inner lower part of the detection box body is provided with the; the support frame comprises baffle, dead lever, erection column, column casing, sealed pad, peg, location axle, the baffle is established on the interval middle part position of dead lever horizontal wall, dead lever surface mid point is equipped with perpendicular integrative erection column, the erection column top is equipped with the column casing, be equipped with sealed the pad between the column casing internal gap, sealed pad hoops peg lower wall surface, the peg scarf joint location axle opening recess, the location axle is fixed in the erection column inside groove, the interval is arranged in on the detection box top surface of dead lever lower extreme.

Further, the inner pipe of the detection box is directly communicated with the space of the detection cavity.

Further, the lower end of the sampling pipeline is provided with an air inlet with a downward opening.

Furthermore, the radian of the surface of the blocking frame corresponds to the outer wall of the sampling pipeline.

Further, the sampling pipeline is arranged at the position of the corresponding separating plate groove.

Further, the air inlet is arranged at an outlet of the detection cavity communicated with the external space.

Further, the inner wall of the column sleeve is connected with a sealing gasket.

Further, the partition plate is arranged at a position below the midpoint of the mounting column.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an oil recovery well head hydrogen sulfide detects instrument, the support frame is established on detecting box top surface, dead lever lower extreme mounting point is fixed unchangeable, lifting rope U formula card is in the both sides breach groove department of being left by the baffle, spacing and certain support performance have, top erection column is perpendicular and the structure is unchangeable, form the space that can hold the location axle installation through the column casing, the inside sealed pad that is equipped with can effectively improve the leakproofness of structure, the perpendicular butt joint peg of monomer lifting rope, the support nature has been improved, both sides equilibrium stability is better when the box moves down, safety when can effectively improve the detection operation.

Drawings

Fig. 1 is a schematic structural diagram of a hydrogen sulfide detection tool of an oil production wellhead according to the present invention;

fig. 2 is a front view of the supporting frame assembly structure of the present invention.

In the figure: the device comprises a sampling pipeline-1, a detection box body-2, a separation plate-3, a blocking frame-4, an exhaust pipe-5, an air inlet-6, a detection box-7, a support frame-8, a partition plate-801, a fixing rod-802, an installation column-803, a column sleeve-804, a sealing gasket-805, a hanging rod-806, a positioning shaft-807 and a detection cavity-9.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the utility model provides an oil recovery well head hydrogen sulfide detection tool, its structure includes sampling pipe 1, detection box 2, separation plate 3, fender frame 4, blast pipe 5, air inlet 6, detection box 7, support frame 8, detection chamber 9, detection box 2 falls into the upper and lower structure of isolated, and the inside constitutes the detection chamber 9 that is linked together, be equipped with the detection box 7 that links to each other through the rubber tube on detection box 2, the inside sample pipe 1 that communicates from top to bottom that is equipped with of detection box 2, the inside fender frame 4 that the mounted position is fixed that is equipped with of detection box 2, the installation face of separation plate 3 and fender frame 4 leaves the space of ventilating, the lower part position is equipped with overhanging blast pipe 5 in detection box 2, the top of detection box 2 is equipped with the support frame 8 of fixed an organic whole; the supporting frame 8 is composed of a partition plate 801, a fixing rod 802, a mounting column 803, a column sleeve 804, a sealing gasket 805, a hanging rod 806 and a positioning shaft 807, the partition plate 801 is arranged at the middle position of the interval of the transverse wall of the fixing rod 802, the vertical and integrated mounting column 803 is arranged at the midpoint of the surface of the fixing rod 802, the column sleeve 804 is arranged at the top of the mounting column 803, the sealing gasket 805 is arranged between the inner gaps of the column sleeve 804, the sealing gasket 805 hoops the lower wall surface of the hanging rod 806, the hanging rod 806 is embedded in a groove of the positioning shaft 807, the positioning shaft 807 is fixed in the inner groove of the mounting column 803, the lower end of the fixing rod 802 is arranged at the top surface of the detection box 2 at intervals, the inner tube of the detection box 7 is communicated with the space of the detection cavity 9, the lower end of the sampling tube 1 is provided with an air inlet 6 with a downward opening, the radian, the air inlet 6 is arranged at the outlet of the detection cavity 9 from the external space.

The positioning shaft 807 in this patent is the main component that determines the structural position of the hanging rod 806, the sealing gasket 805 is arranged at the opening groove and is arranged around the lower part of the hanging rod 806, and the shaft structure is arranged in the inner groove of the column sleeve 804.

For example: when using, support frame 8 is established on detecting 2 top surfaces of box, dead lever 802 lower extreme mounting point is fixed unchangeable, lifting rope U formula card is in the both sides breach groove department of reserving by baffle 801, spacing and certain support performance have, top erection column 803 is perpendicular and the structure is unchangeable, form the space that can hold location axle 807 installation through post cover 804, the sealed sealing up 805 that inside was equipped with can effectively improve the leakproofness of structure, monomer lifting rope docks peg 806 perpendicularly, the support nature has been improved, both sides equilibrium stability is better when the box moves down, safety when can effectively improve the detection operation.

The utility model provides a problem be the precision that effective distance of box whereabouts oil well influences the detection data, and the strong point is concentrated a bit when hanging and connecing, leads to the box to rock when moving down easily, the utility model discloses a combination of each other of above-mentioned part has improvement support performance, and both sides equilibrium stability is better when the box moves down, can effectively improve the safety when detecting the operation.

It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth herein. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The foregoing variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined herein extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. The embodiments described herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.

Claims (6)

1. The utility model provides an oil recovery well head hydrogen sulfide detects instrument, its structure includes sampling tube (1), detects box (2), separator plate (3), keeps off frame (4), blast pipe (5), air inlet (6), detects box (7), support frame (8), detects chamber (9), detect box (2) and fall into the isolated upper and lower structure, inside constitutes detection chamber (9) that are linked together, its characterized in that:

the device is characterized in that a detection box (7) connected through a rubber tube is arranged on the detection box body (2), a sampling pipeline (1) communicated with the upper part and the lower part is arranged in the detection box body (2), a baffle frame (4) with a fixed installation position is arranged in the detection box body (2), a ventilation space is reserved between the separation plate (3) and the installation surface of the baffle frame (4), an extended exhaust pipe (5) is arranged at the lower part in the detection box body (2), and a support frame (8) fixed into a whole is arranged at the top of the detection box body (2);

support frame (8) comprise baffle (801), dead lever (802), erection column (803), post cover (804), sealed pad (805), peg (806), location axle (807), establish on the interval middle part position of dead lever (802) horizontal wall baffle (801), dead lever (802) surperficial midpoint is equipped with perpendicular integrative erection column (803), erection column (803) top is equipped with post cover (804), be equipped with sealed pad (805) between post cover (804) internal space, peg (806) lower wall surface is banded in sealed pad (805), peg (806) scarf joint location axle (807) opening groove, location axle (807) are fixed in erection column (803) internal groove, dead lever (802) lower extreme interval is arranged in on detecting box (2) top surface.

2. The oil recovery wellhead hydrogen sulfide detection tool of claim 1, characterized in that: the inner tube of the detection box (7) is directly communicated with the space of the detection cavity (9).

3. The oil recovery wellhead hydrogen sulfide detection tool of claim 1, characterized in that: the lower end of the sampling pipeline (1) is provided with an air inlet (6) with a downward opening.

4. The oil recovery wellhead hydrogen sulfide detection tool of claim 1, characterized in that: the radian of the surface of the blocking frame (4) corresponds to the outer wall of the sampling pipeline (1).

5. The oil recovery wellhead hydrogen sulfide detection tool of claim 1, characterized in that: the sampling pipeline (1) is arranged at the groove of the corresponding separating plate (3).

6. The oil recovery wellhead hydrogen sulfide detection tool of claim 1, characterized in that: the air inlet (6) is arranged at an outlet of the detection cavity (9) communicated with the external space.