Petroleum logging chromatography sample gas accumulated water flow choking device

By designing a multi-stage filtration structure and water absorption treatment, the problem of humidity contamination in the sample gas flow blocking device for oil well logging chromatography was solved, achieving efficient sample gas filtration and detection accuracy.

CN224009457UActive Publication Date: 2026-03-20XIAN HENGKE BOAO PETROLEUM TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing oil well logging chromatography sample gas water accumulation and flow obstruction devices are prone to contaminating the detection equipment with high humidity gases during use, reducing the efficiency of well logging quality detection.

Method used

A structure including a diversion sleeve, a threaded top cover, an inner ring, a fixed ring, a water-absorbing cotton sleeve, a movable ring, and an electric push rod was designed. Through multi-stage filtration and water absorption treatment, it achieves efficient filtration of sample gas and prevents humid gas from entering the detection equipment.

Benefits of technology

This improves the filtration efficiency of sample gas, ensuring that the detection equipment is not contaminated by humidity and guaranteeing the accuracy and efficiency of subsequent sample testing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224009457U_ABST
    Figure CN224009457U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of flow choking devices, in particular to a petroleum logging chromatography sample gas accumulated water flow choking device which comprises a flow dividing sleeve, the top of the flow dividing sleeve is in threaded connection with a threaded top cover, and the bottom end of the threaded top cover is fixedly connected with an inner lantern ring extending into the flow dividing sleeve. According to the oil logging chromatography sample gas accumulated water flow blocking device, through the arrangement of the fixed ring, the water absorption cotton sleeve, the movable ring, the electric push rod, the flow guide hole and the inner sleeve ring, the oil logging chromatography sample gas accumulated water flow blocking device can be conveniently used for filtering and flow blocking treatment of sample gas, and the sample gas can be conveniently collected. As the sample gas diffuses towards the left side and the right side of the interior of the shunting sleeve and is taken out upwards, the device can perform water absorption filtering treatment on the sample gas subjected to primary filtering and flow blocking through a water absorption filtering structure, so that the working efficiency of the device for filtering and treating the sample is improved, and continuous feeding of gas with relatively high humidity is avoided; the interior of the detection equipment is easily polluted.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flow resistance device, concretely to a petroleum logging chromatographic sample gas water accumulation flow resistance device. BACKGROUND

[0002] In the petroleum logging process, the petroleum logging chromatographic sample gas water accumulation flow resistance device is a kind of equipment for handling chromatographic sample gas in the petroleum logging process, and the main function is to filter and isolate water vapor and mud in sample gas, to protect the normal operation of gas line and chromatographic instrument, which can improve the quality of logging data, increase drilling time efficiency, and prolong the service life of gas line and chromatographic instrument, reduce production cost;

[0003] At present, the existing petroleum logging chromatographic sample gas water accumulation flow resistance device mainly uses the filter with drying effect to block the gas water accumulation when in use, but considering that the overall filtering effect is gradually weakened after the filter is used for a period of time, the continued feeding of gas at this time can easily cause the pollution of the detection equipment by the gas with high humidity, and also affect the subsequent sample detection precision and reduce the working efficiency of logging quality detection, therefore, the petroleum logging chromatographic sample gas water accumulation flow resistance device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a petroleum logging chromatographic sample gas water accumulation flow resistance device to solve the problems that the existing petroleum logging chromatographic sample gas water accumulation flow resistance device can pollute the detection equipment by the gas with high humidity and reduce the working efficiency of logging quality detection in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A petroleum logging chromatographic sample gas water accumulation flow resistance device, comprising a shunt sleeve, a threaded top cover is connected to the top of the shunt sleeve, an inner sleeve ring extending into the shunt sleeve is fixedly connected to the bottom end of the threaded top cover, a fixed ring is fixedly connected to the bottom outer side of the inner sleeve ring, a water-absorbing cotton sleeve is arranged at the top of the fixed ring, an active ring is arranged on the outer side of the inner sleeve ring above the water-absorbing cotton sleeve, an electric push rod is arranged on both sides of the top of the active ring, and the active ring is fixedly connected together, a flow guide hole is formed in the surface of the fixed ring, a filter snap ring is threadedly connected to the inner side of the inner sleeve ring, a filter body is fixedly installed in the inner part of the filter snap ring, a supporting ring is fixedly connected to the bottom of the filter snap ring, and a perspective water collecting cylinder is arranged at the bottom of the shunt sleeve.

[0007] Preferably, the top of the threaded top cover is connected with an air inlet, the inside of the air inlet and the inside of the flow distribution sleeve are communicated, and the left and right sides of the flow distribution sleeve are connected with air outlet structures.

[0008] Preferably, the front end face of the perspective water collecting cylinder is provided with scale lines, the top of the perspective water collecting cylinder is fixedly connected with an outer threaded snap ring which is threadedly connected with a flow distribution sleeve, an inner threaded snap ring is fixedly connected to the outside of the outer threaded snap ring, the inner threaded snap ring is threadedly connected with the flow distribution sleeve, the inner threaded snap ring and the outer threaded snap ring are arranged in a sleeved mode, the gap formed between the inner threaded snap ring and the outer threaded snap ring is matched with the wall thickness of the flow distribution sleeve in size, and the left and right sides of the inner threaded snap ring are threadedly connected with fastening bolts.

[0009] Preferably, the fixed end of the electric push rod is fixedly installed at the bottom of the threaded top cover, the plurality of flow guide holes are arranged in an annular array structure along the center point of the fixed ring, the water absorbing cotton sleeve is sleeved to the outside of the inner sleeve ring, and the water absorbing cotton sleeve and the flow guide holes are oppositely arranged in the up-down position.

[0010] Compared with the prior art, the petroleum logging chromatographic sample gas water accumulation resistance flow device has the advantages that:

[0011] In the petroleum logging chromatographic sample gas water accumulation resistance flow device, the filter body installed in the inside of the filter snap ring can filter and resistance flow the sample gas in the process of filtering and resistance flow treatment, the device can absorb and filter the sample gas after primary filtering and resistance flow treatment through the water absorbing and filtering structure composed of the fixed ring, the water absorbing cotton sleeve, the movable ring, the electric push rod, the flow guide hole and the inner sleeve ring, the working efficiency of filtering and treating the sample is improved, the humid gas is prevented from being continuously sent in, the detection equipment is prevented from being easily polluted, the sample detection precision is ensured, the water absorbing and filtering structure is provided with the downward drainage structure, and the water absorbing cotton sleeve filled with gas water accumulation can be squeezed and maintained. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a whole half cut open structure schematic view of the utility model;

[0014] Figure 3 It is a movable ring structure schematic view of the utility model.

[0015] In the figure: 1, flow sleeve; 2, threaded top cover; 3, air inlet; 4, fixed ring; 5, water absorption cotton sleeve; 6, movable ring; 7, electric push rod; 8, flow guide hole; 9, filter body; 10, support ring; 11, inner sleeve ring; 12, perspective water collecting cylinder; 13, external thread snap ring; 14, internal thread snap ring; 15, fastening bolt; 16, scale line; 17, filter snap ring. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figures 1-3 The utility model provides a technical scheme:

[0018] A petroleum logging chromatographic sample gas water accumulation resistance flow device, including flow sleeve 1, the top of flow sleeve 1 is connected with threaded top cover 2 in screw thread, the bottom of threaded top cover 2 is fixedly connected with the inner sleeve ring 11 extending to the inside of flow sleeve 1, the bottom outside of inner sleeve ring 11 is fixedly connected with fixed ring 4, the top of fixed ring 4 is in contact with water absorption cotton sleeve 5, the position of the top of water absorption cotton sleeve 5 is set with movable ring 6 that is set on the outside of inner sleeve ring 11, the top of movable ring 6 is equipped with movable end and electric push rod 7 that is fixedly connected together on both sides, the surface of fixed ring 4 is provided with flow guide hole 8, the inside of inner sleeve ring 11 is connected with filter snap ring 17 in screw thread, the inside of filter snap ring 17 is fixedly installed with filter body 9, the bottom of filter snap ring 17 is fixedly connected with support ring 10, the bottom of flow sleeve 1 is equipped with perspective water collecting cylinder 12.

[0019] As Figure 1 And Figure 2As shown, the top of the threaded top cover 2 is connected with the air inlet 3, the inside of the air inlet 3 and the inside of the shunt sleeve 1 are in communication, the left and right sides of the shunt sleeve 1 are connected with the exhaust port structure, after completing the filtering and blocking treatment of the sample gas, the filtered clean gas will be discharged from the inside of the entire device through the exhaust port structure arranged on the left and right sides; The front end face of the perspective water collecting cylinder 12 is provided with a scale line 16, the top of the perspective water collecting cylinder 12 is fixedly connected with an outer thread ring 13 which is threadedly connected with the shunt sleeve 1, when the filtered water accumulates in the inside of the perspective water collecting cylinder 12 for collection, the staff can observe the specific liquid level in the inside of the perspective water collecting cylinder 12 in time through the scale line 16; The outside of the perspective water collecting cylinder 12 is fixedly connected with an inner thread ring 14, the inner thread ring 14 and the shunt sleeve 1 are threadedly connected together, the inner thread ring 14 and the outer thread ring 13 are arranged in a sleeve structure, the gap between the inner thread ring 14 and the outer thread ring 13 is set to be consistent with the wall thickness of the shunt sleeve 1, the left and right sides of the inner thread ring 14 are threadedly connected with the fastening bolts 15, when the perspective water collecting cylinder 12 is fixedly installed, the stable connection between the inner thread ring 14 and the outer thread ring 13 and the shunt sleeve 1 can increase the stability of the connection structure of the perspective water collecting cylinder 12 and the shunt sleeve 1, and the two fastening bolts 15 are also used for fastening and limiting, further improving the stability of the perspective water collecting cylinder 12 during use.

[0020] As shown in Figure 2 and Figure 3 The fixed end of the electric push rod 7 is fixedly installed at the bottom of the threaded top cover 2, a plurality of flow guide holes 8 are arranged in a ring array structure along the center point of the fixed ring 4, the water absorbing cotton sleeve 5 is sleeved outside the inner sleeve ring 11, and the water absorbing cotton sleeve 5 and the flow guide holes 8 are arranged in opposite positions, the electric push rod 7 mainly provides a downward driving force when the water absorbing cotton sleeve 5 is squeezed.

[0021] Workflow: the electric energy required when the device in the utility model starts to run all come from external power supply, specifically, before use, need to access the power supply module stably electric push rod 7, also need to access the logging quality detection setting through the exhaust port provided on the left and right sides of the shunt sleeve 1, in the process of oil logging, when the sample gas water blocking device needs to be used, with the sample gas to be detected passing through the inside of the air inlet 3, pre-sending into the inside of the inner sleeve ring 11, under the auxiliary limitation of the filter snap ring 17, the device will filter the gas water in the sample gas through the filter body 9 with drying effect, and then the filtered gas water will be collected in the inside of the perspective water collecting cylinder 12, then with the gas after filtering and blocking from the inside of the inner sleeve ring 11, and diffuse to the left and right sides of the shunt sleeve 1 and bring up, under the auxiliary connection of the fixed ring 4, the device will filter the gas again through the water absorption cotton sleeve 5 sleeved on the outside of the inner sleeve ring 11, so as to improve the filtering effect of the device in filtering gas water, and after using for a period of time, under the connection limitation of the threaded top cover 2, start two electric push rods 7 to push down the movable ring 6, the movable ring 6 will accurately realize the descent along the outer circle of the inner sleeve ring 11, and press down the water absorption cotton sleeve 5, the gas water absorbed by the water absorption cotton sleeve 5 will be squeezed out, and pass through the inside of the plurality of flow guide holes 8, and also fall into the inside of the perspective water collecting cylinder 12 for collection, so as to cooperate with the high-efficiency filtering and blocking work of the device, and finally the gas after clean processing will pass through the exhaust port structure provided on the left and right sides of the shunt sleeve 1, and send into the logging quality detection equipment, so as to carry out further detection work subsequently.

[0022] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for preventing water accumulation in petroleum logging chromatographic sample gas, comprising a flow divider sleeve (1), characterized in that: The top of the diversion sleeve (1) is threaded with a threaded top cover (2). The bottom end of the threaded top cover (2) is fixedly connected with an inner ring (11) extending into the inside of the diversion sleeve (1). The bottom outer side of the inner ring (11) is fixedly connected with a fixing ring (4). The top of the fixing ring (4) is abutted with a water-absorbing cotton sleeve (5). A movable ring (6) is set on the outside of the inner ring (11) at the position directly above the water-absorbing cotton sleeve (5). Both sides of the top of the movable ring (6) are provided with an electric push rod (7) with a movable end fixedly connected to the movable ring (6). The surface of the fixing ring (4) is provided with a guide hole (8). The inner side of the inner ring (11) is threaded with a filter retainer (17). The filter retainer (17) is fixedly installed inside the filter body (9). The bottom of the filter retainer (17) is fixedly connected with a support ring (10). The bottom of the diversion sleeve (1) is provided with a transparent water collection cylinder (12).

2. The oil well logging chromatographic sample gas water accumulation and flow blocking device according to claim 1, characterized in that: The top of the threaded top cover (2) is connected to an air inlet (3), and the interior of the air inlet (3) and the interior of the diverter sleeve (1) are connected. The left and right sides of the diverter sleeve (1) are connected to exhaust ports.

3. The oil well logging chromatographic sample gas water accumulation and flow blocking device according to claim 1, characterized in that: The front end face of the transparent water collection tube (12) is provided with scale lines (16), and the top of the transparent water collection tube (12) is fixedly connected with an external thread retaining ring (13) that is threaded together with the diversion sleeve (1).

4. The oil well logging chromatographic sample gas water accumulation obstruction device according to claim 3, characterized in that: The external fixed connection of the transparent water collection cylinder (12) is an internal threaded retaining ring (14). The internal threaded retaining ring (14) and the diversion sleeve (1) are threaded together. The internal threaded retaining ring (14) and the external threaded retaining ring (13) are fitted together. The gap formed between the internal threaded retaining ring (14) and the external threaded retaining ring (13) matches the wall thickness of the diversion sleeve (1). Fastening bolts (15) are threaded to both sides of the internal threaded retaining ring (14).

5. The oil well logging chromatographic sample gas water accumulation obstruction device according to claim 1, characterized in that: The fixed end of the electric push rod (7) is fixedly installed at the bottom of the threaded top cover (2). Several of the guide holes (8) are arranged in a ring array structure along the center point of the fixed ring (4). The absorbent cotton sleeve (5) is sleeved on the outside of the inner ring (11). The absorbent cotton sleeve (5) and the guide holes (8) are arranged vertically relative to each other.